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language: go
go_import_path: google.golang.org/appengine
install:
- ./travis_install.sh
script:
- ./travis_test.sh
matrix:
include:
- go: 1.8.x
env: GOAPP=true
- go: 1.9.x
env: GOAPP=true
- go: 1.10.x
env: GOAPP=false
- go: 1.11.x
env: GO111MODULE=on

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# Contributing
1. Sign one of the contributor license agreements below.
1. Get the package:
`go get -d google.golang.org/appengine`
1. Change into the checked out source:
`cd $GOPATH/src/google.golang.org/appengine`
1. Fork the repo.
1. Set your fork as a remote:
`git remote add fork git@github.com:GITHUB_USERNAME/appengine.git`
1. Make changes, commit to your fork.
1. Send a pull request with your changes.
The first line of your commit message is conventionally a one-line summary of the change, prefixed by the primary affected package, and is used as the title of your pull request.
# Testing
## Running system tests
Download and install the [Go App Engine SDK](https://cloud.google.com/appengine/docs/go/download). Make sure the `go_appengine` dir is in your `PATH`.
Set the `APPENGINE_DEV_APPSERVER` environment variable to `/path/to/go_appengine/dev_appserver.py`.
Run tests with `goapp test`:
```
goapp test -v google.golang.org/appengine/...
```
## Contributor License Agreements
Before we can accept your pull requests you'll need to sign a Contributor
License Agreement (CLA):
- **If you are an individual writing original source code** and **you own the
intellectual property**, then you'll need to sign an [individual CLA][indvcla].
- **If you work for a company that wants to allow you to contribute your work**,
then you'll need to sign a [corporate CLA][corpcla].
You can sign these electronically (just scroll to the bottom). After that,
we'll be able to accept your pull requests.
## Contributor Code of Conduct
As contributors and maintainers of this project,
and in the interest of fostering an open and welcoming community,
we pledge to respect all people who contribute through reporting issues,
posting feature requests, updating documentation,
submitting pull requests or patches, and other activities.
We are committed to making participation in this project
a harassment-free experience for everyone,
regardless of level of experience, gender, gender identity and expression,
sexual orientation, disability, personal appearance,
body size, race, ethnicity, age, religion, or nationality.
Examples of unacceptable behavior by participants include:
* The use of sexualized language or imagery
* Personal attacks
* Trolling or insulting/derogatory comments
* Public or private harassment
* Publishing other's private information,
such as physical or electronic
addresses, without explicit permission
* Other unethical or unprofessional conduct.
Project maintainers have the right and responsibility to remove, edit, or reject
comments, commits, code, wiki edits, issues, and other contributions
that are not aligned to this Code of Conduct.
By adopting this Code of Conduct,
project maintainers commit themselves to fairly and consistently
applying these principles to every aspect of managing this project.
Project maintainers who do not follow or enforce the Code of Conduct
may be permanently removed from the project team.
This code of conduct applies both within project spaces and in public spaces
when an individual is representing the project or its community.
Instances of abusive, harassing, or otherwise unacceptable behavior
may be reported by opening an issue
or contacting one or more of the project maintainers.
This Code of Conduct is adapted from the [Contributor Covenant](http://contributor-covenant.org), version 1.2.0,
available at [http://contributor-covenant.org/version/1/2/0/](http://contributor-covenant.org/version/1/2/0/)
[indvcla]: https://developers.google.com/open-source/cla/individual
[corpcla]: https://developers.google.com/open-source/cla/corporate

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# Go App Engine packages
[![Build Status](https://travis-ci.org/golang/appengine.svg)](https://travis-ci.org/golang/appengine)
This repository supports the Go runtime on *App Engine standard*.
It provides APIs for interacting with App Engine services.
Its canonical import path is `google.golang.org/appengine`.
See https://cloud.google.com/appengine/docs/go/
for more information.
File issue reports and feature requests on the [GitHub's issue
tracker](https://github.com/golang/appengine/issues).
## Upgrading an App Engine app to the flexible environment
This package does not work on *App Engine flexible*.
There are many differences between the App Engine standard environment and
the flexible environment.
See the [documentation on upgrading to the flexible environment](https://cloud.google.com/appengine/docs/flexible/go/upgrading).
## Directory structure
The top level directory of this repository is the `appengine` package. It
contains the
basic APIs (e.g. `appengine.NewContext`) that apply across APIs. Specific API
packages are in subdirectories (e.g. `datastore`).
There is an `internal` subdirectory that contains service protocol buffers,
plus packages required for connectivity to make API calls. App Engine apps
should not directly import any package under `internal`.
## Updating from legacy (`import "appengine"`) packages
If you're currently using the bare `appengine` packages
(that is, not these ones, imported via `google.golang.org/appengine`),
then you can use the `aefix` tool to help automate an upgrade to these packages.
Run `go get google.golang.org/appengine/cmd/aefix` to install it.
### 1. Update import paths
The import paths for App Engine packages are now fully qualified, based at `google.golang.org/appengine`.
You will need to update your code to use import paths starting with that; for instance,
code importing `appengine/datastore` will now need to import `google.golang.org/appengine/datastore`.
### 2. Update code using deprecated, removed or modified APIs
Most App Engine services are available with exactly the same API.
A few APIs were cleaned up, and there are some differences:
* `appengine.Context` has been replaced with the `Context` type from `golang.org/x/net/context`.
* Logging methods that were on `appengine.Context` are now functions in `google.golang.org/appengine/log`.
* `appengine.Timeout` has been removed. Use `context.WithTimeout` instead.
* `appengine.Datacenter` now takes a `context.Context` argument.
* `datastore.PropertyLoadSaver` has been simplified to use slices in place of channels.
* `delay.Call` now returns an error.
* `search.FieldLoadSaver` now handles document metadata.
* `urlfetch.Transport` no longer has a Deadline field; set a deadline on the
`context.Context` instead.
* `aetest` no longer declares its own Context type, and uses the standard one instead.
* `taskqueue.QueueStats` no longer takes a maxTasks argument. That argument has been
deprecated and unused for a long time.
* `appengine.BackendHostname` and `appengine.BackendInstance` were for the deprecated backends feature.
Use `appengine.ModuleHostname`and `appengine.ModuleName` instead.
* Most of `appengine/file` and parts of `appengine/blobstore` are deprecated.
Use [Google Cloud Storage](https://godoc.org/cloud.google.com/go/storage) if the
feature you require is not present in the new
[blobstore package](https://google.golang.org/appengine/blobstore).
* `appengine/socket` is not required on App Engine flexible environment / Managed VMs.
Use the standard `net` package instead.
## Key Encode/Decode compatibiltiy to help with datastore library migrations
Key compatibility updates have been added to help customers transition from google.golang.org/appengine/datastore to cloud.google.com/go/datastore.
The `EnableKeyConversion` enables automatic conversion from a key encoded with cloud.google.com/go/datastore to google.golang.org/appengine/datastore key type.
### Enabling key conversion
Enable key conversion by calling `EnableKeyConversion(ctx)` in the `/_ah/start` handler for basic and manual scaling or any handler in automatic scaling.
#### 1. Basic or manual scaling
This start handler will enable key conversion for all handlers in the service.
```
http.HandleFunc("/_ah/start", func(w http.ResponseWriter, r *http.Request) {
datastore.EnableKeyConversion(appengine.NewContext(r))
})
```
#### 2. Automatic scaling
`/_ah/start` is not supported for automatic scaling and `/_ah/warmup` is not guaranteed to run, so you must call `datastore.EnableKeyConversion(appengine.NewContext(r))`
before you use code that needs key conversion.
You may want to add this to each of your handlers, or introduce middleware where it's called.
`EnableKeyConversion` is safe for concurrent use. Any call to it after the first is ignored.

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// Package appengine provides basic functionality for Google App Engine.
//
// For more information on how to write Go apps for Google App Engine, see:
// https://cloud.google.com/appengine/docs/go/
package appengine // import "google.golang.org/appengine"
import (
"net/http"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
)
// The gophers party all night; the rabbits provide the beats.
// Main is the principal entry point for an app running in App Engine.
//
// On App Engine Flexible it installs a trivial health checker if one isn't
// already registered, and starts listening on port 8080 (overridden by the
// $PORT environment variable).
//
// See https://cloud.google.com/appengine/docs/flexible/custom-runtimes#health_check_requests
// for details on how to do your own health checking.
//
// On App Engine Standard it ensures the server has started and is prepared to
// receive requests.
//
// Main never returns.
//
// Main is designed so that the app's main package looks like this:
//
// package main
//
// import (
// "google.golang.org/appengine"
//
// _ "myapp/package0"
// _ "myapp/package1"
// )
//
// func main() {
// appengine.Main()
// }
//
// The "myapp/packageX" packages are expected to register HTTP handlers
// in their init functions.
func Main() {
internal.Main()
}
// IsDevAppServer reports whether the App Engine app is running in the
// development App Server.
func IsDevAppServer() bool {
return internal.IsDevAppServer()
}
// IsStandard reports whether the App Engine app is running in the standard
// environment. This includes both the first generation runtimes (<= Go 1.9)
// and the second generation runtimes (>= Go 1.11).
func IsStandard() bool {
return internal.IsStandard()
}
// IsFlex reports whether the App Engine app is running in the flexible environment.
func IsFlex() bool {
return internal.IsFlex()
}
// IsAppEngine reports whether the App Engine app is running on App Engine, in either
// the standard or flexible environment.
func IsAppEngine() bool {
return internal.IsAppEngine()
}
// IsSecondGen reports whether the App Engine app is running on the second generation
// runtimes (>= Go 1.11).
func IsSecondGen() bool {
return internal.IsSecondGen()
}
// NewContext returns a context for an in-flight HTTP request.
// This function is cheap.
func NewContext(req *http.Request) context.Context {
return internal.ReqContext(req)
}
// WithContext returns a copy of the parent context
// and associates it with an in-flight HTTP request.
// This function is cheap.
func WithContext(parent context.Context, req *http.Request) context.Context {
return internal.WithContext(parent, req)
}
// BlobKey is a key for a blobstore blob.
//
// Conceptually, this type belongs in the blobstore package, but it lives in
// the appengine package to avoid a circular dependency: blobstore depends on
// datastore, and datastore needs to refer to the BlobKey type.
type BlobKey string
// GeoPoint represents a location as latitude/longitude in degrees.
type GeoPoint struct {
Lat, Lng float64
}
// Valid returns whether a GeoPoint is within [-90, 90] latitude and [-180, 180] longitude.
func (g GeoPoint) Valid() bool {
return -90 <= g.Lat && g.Lat <= 90 && -180 <= g.Lng && g.Lng <= 180
}
// APICallFunc defines a function type for handling an API call.
// See WithCallOverride.
type APICallFunc func(ctx context.Context, service, method string, in, out proto.Message) error
// WithAPICallFunc returns a copy of the parent context
// that will cause API calls to invoke f instead of their normal operation.
//
// This is intended for advanced users only.
func WithAPICallFunc(ctx context.Context, f APICallFunc) context.Context {
return internal.WithCallOverride(ctx, internal.CallOverrideFunc(f))
}
// APICall performs an API call.
//
// This is not intended for general use; it is exported for use in conjunction
// with WithAPICallFunc.
func APICall(ctx context.Context, service, method string, in, out proto.Message) error {
return internal.Call(ctx, service, method, in, out)
}

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// Copyright 2015 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build !appengine
package appengine
import (
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
)
// BackgroundContext returns a context not associated with a request.
// This should only be used when not servicing a request.
// This only works in App Engine "flexible environment".
func BackgroundContext() context.Context {
return internal.BackgroundContext()
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"errors"
"fmt"
"reflect"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
"google.golang.org/appengine"
"google.golang.org/appengine/internal"
pb "google.golang.org/appengine/internal/datastore"
)
var (
// ErrInvalidEntityType is returned when functions like Get or Next are
// passed a dst or src argument of invalid type.
ErrInvalidEntityType = errors.New("datastore: invalid entity type")
// ErrInvalidKey is returned when an invalid key is presented.
ErrInvalidKey = errors.New("datastore: invalid key")
// ErrNoSuchEntity is returned when no entity was found for a given key.
ErrNoSuchEntity = errors.New("datastore: no such entity")
)
// ErrFieldMismatch is returned when a field is to be loaded into a different
// type than the one it was stored from, or when a field is missing or
// unexported in the destination struct.
// StructType is the type of the struct pointed to by the destination argument
// passed to Get or to Iterator.Next.
type ErrFieldMismatch struct {
StructType reflect.Type
FieldName string
Reason string
}
func (e *ErrFieldMismatch) Error() string {
return fmt.Sprintf("datastore: cannot load field %q into a %q: %s",
e.FieldName, e.StructType, e.Reason)
}
// protoToKey converts a Reference proto to a *Key. If the key is invalid,
// protoToKey will return the invalid key along with ErrInvalidKey.
func protoToKey(r *pb.Reference) (k *Key, err error) {
appID := r.GetApp()
namespace := r.GetNameSpace()
for _, e := range r.Path.Element {
k = &Key{
kind: e.GetType(),
stringID: e.GetName(),
intID: e.GetId(),
parent: k,
appID: appID,
namespace: namespace,
}
if !k.valid() {
return k, ErrInvalidKey
}
}
return
}
// keyToProto converts a *Key to a Reference proto.
func keyToProto(defaultAppID string, k *Key) *pb.Reference {
appID := k.appID
if appID == "" {
appID = defaultAppID
}
n := 0
for i := k; i != nil; i = i.parent {
n++
}
e := make([]*pb.Path_Element, n)
for i := k; i != nil; i = i.parent {
n--
e[n] = &pb.Path_Element{
Type: &i.kind,
}
// At most one of {Name,Id} should be set.
// Neither will be set for incomplete keys.
if i.stringID != "" {
e[n].Name = &i.stringID
} else if i.intID != 0 {
e[n].Id = &i.intID
}
}
var namespace *string
if k.namespace != "" {
namespace = proto.String(k.namespace)
}
return &pb.Reference{
App: proto.String(appID),
NameSpace: namespace,
Path: &pb.Path{
Element: e,
},
}
}
// multiKeyToProto is a batch version of keyToProto.
func multiKeyToProto(appID string, key []*Key) []*pb.Reference {
ret := make([]*pb.Reference, len(key))
for i, k := range key {
ret[i] = keyToProto(appID, k)
}
return ret
}
// multiValid is a batch version of Key.valid. It returns an error, not a
// []bool.
func multiValid(key []*Key) error {
invalid := false
for _, k := range key {
if !k.valid() {
invalid = true
break
}
}
if !invalid {
return nil
}
err := make(appengine.MultiError, len(key))
for i, k := range key {
if !k.valid() {
err[i] = ErrInvalidKey
}
}
return err
}
// It's unfortunate that the two semantically equivalent concepts pb.Reference
// and pb.PropertyValue_ReferenceValue aren't the same type. For example, the
// two have different protobuf field numbers.
// referenceValueToKey is the same as protoToKey except the input is a
// PropertyValue_ReferenceValue instead of a Reference.
func referenceValueToKey(r *pb.PropertyValue_ReferenceValue) (k *Key, err error) {
appID := r.GetApp()
namespace := r.GetNameSpace()
for _, e := range r.Pathelement {
k = &Key{
kind: e.GetType(),
stringID: e.GetName(),
intID: e.GetId(),
parent: k,
appID: appID,
namespace: namespace,
}
if !k.valid() {
return nil, ErrInvalidKey
}
}
return
}
// keyToReferenceValue is the same as keyToProto except the output is a
// PropertyValue_ReferenceValue instead of a Reference.
func keyToReferenceValue(defaultAppID string, k *Key) *pb.PropertyValue_ReferenceValue {
ref := keyToProto(defaultAppID, k)
pe := make([]*pb.PropertyValue_ReferenceValue_PathElement, len(ref.Path.Element))
for i, e := range ref.Path.Element {
pe[i] = &pb.PropertyValue_ReferenceValue_PathElement{
Type: e.Type,
Id: e.Id,
Name: e.Name,
}
}
return &pb.PropertyValue_ReferenceValue{
App: ref.App,
NameSpace: ref.NameSpace,
Pathelement: pe,
}
}
type multiArgType int
const (
multiArgTypeInvalid multiArgType = iota
multiArgTypePropertyLoadSaver
multiArgTypeStruct
multiArgTypeStructPtr
multiArgTypeInterface
)
// checkMultiArg checks that v has type []S, []*S, []I, or []P, for some struct
// type S, for some interface type I, or some non-interface non-pointer type P
// such that P or *P implements PropertyLoadSaver.
//
// It returns what category the slice's elements are, and the reflect.Type
// that represents S, I or P.
//
// As a special case, PropertyList is an invalid type for v.
func checkMultiArg(v reflect.Value) (m multiArgType, elemType reflect.Type) {
if v.Kind() != reflect.Slice {
return multiArgTypeInvalid, nil
}
if v.Type() == typeOfPropertyList {
return multiArgTypeInvalid, nil
}
elemType = v.Type().Elem()
if reflect.PtrTo(elemType).Implements(typeOfPropertyLoadSaver) {
return multiArgTypePropertyLoadSaver, elemType
}
switch elemType.Kind() {
case reflect.Struct:
return multiArgTypeStruct, elemType
case reflect.Interface:
return multiArgTypeInterface, elemType
case reflect.Ptr:
elemType = elemType.Elem()
if elemType.Kind() == reflect.Struct {
return multiArgTypeStructPtr, elemType
}
}
return multiArgTypeInvalid, nil
}
// Get loads the entity stored for k into dst, which must be a struct pointer
// or implement PropertyLoadSaver. If there is no such entity for the key, Get
// returns ErrNoSuchEntity.
//
// The values of dst's unmatched struct fields are not modified, and matching
// slice-typed fields are not reset before appending to them. In particular, it
// is recommended to pass a pointer to a zero valued struct on each Get call.
//
// ErrFieldMismatch is returned when a field is to be loaded into a different
// type than the one it was stored from, or when a field is missing or
// unexported in the destination struct. ErrFieldMismatch is only returned if
// dst is a struct pointer.
func Get(c context.Context, key *Key, dst interface{}) error {
if dst == nil { // GetMulti catches nil interface; we need to catch nil ptr here
return ErrInvalidEntityType
}
err := GetMulti(c, []*Key{key}, []interface{}{dst})
if me, ok := err.(appengine.MultiError); ok {
return me[0]
}
return err
}
// GetMulti is a batch version of Get.
//
// dst must be a []S, []*S, []I or []P, for some struct type S, some interface
// type I, or some non-interface non-pointer type P such that P or *P
// implements PropertyLoadSaver. If an []I, each element must be a valid dst
// for Get: it must be a struct pointer or implement PropertyLoadSaver.
//
// As a special case, PropertyList is an invalid type for dst, even though a
// PropertyList is a slice of structs. It is treated as invalid to avoid being
// mistakenly passed when []PropertyList was intended.
func GetMulti(c context.Context, key []*Key, dst interface{}) error {
v := reflect.ValueOf(dst)
multiArgType, _ := checkMultiArg(v)
if multiArgType == multiArgTypeInvalid {
return errors.New("datastore: dst has invalid type")
}
if len(key) != v.Len() {
return errors.New("datastore: key and dst slices have different length")
}
if len(key) == 0 {
return nil
}
if err := multiValid(key); err != nil {
return err
}
req := &pb.GetRequest{
Key: multiKeyToProto(internal.FullyQualifiedAppID(c), key),
}
res := &pb.GetResponse{}
if err := internal.Call(c, "datastore_v3", "Get", req, res); err != nil {
return err
}
if len(key) != len(res.Entity) {
return errors.New("datastore: internal error: server returned the wrong number of entities")
}
multiErr, any := make(appengine.MultiError, len(key)), false
for i, e := range res.Entity {
if e.Entity == nil {
multiErr[i] = ErrNoSuchEntity
} else {
elem := v.Index(i)
if multiArgType == multiArgTypePropertyLoadSaver || multiArgType == multiArgTypeStruct {
elem = elem.Addr()
}
if multiArgType == multiArgTypeStructPtr && elem.IsNil() {
elem.Set(reflect.New(elem.Type().Elem()))
}
multiErr[i] = loadEntity(elem.Interface(), e.Entity)
}
if multiErr[i] != nil {
any = true
}
}
if any {
return multiErr
}
return nil
}
// Put saves the entity src into the datastore with key k. src must be a struct
// pointer or implement PropertyLoadSaver; if a struct pointer then any
// unexported fields of that struct will be skipped. If k is an incomplete key,
// the returned key will be a unique key generated by the datastore.
func Put(c context.Context, key *Key, src interface{}) (*Key, error) {
k, err := PutMulti(c, []*Key{key}, []interface{}{src})
if err != nil {
if me, ok := err.(appengine.MultiError); ok {
return nil, me[0]
}
return nil, err
}
return k[0], nil
}
// PutMulti is a batch version of Put.
//
// src must satisfy the same conditions as the dst argument to GetMulti.
func PutMulti(c context.Context, key []*Key, src interface{}) ([]*Key, error) {
v := reflect.ValueOf(src)
multiArgType, _ := checkMultiArg(v)
if multiArgType == multiArgTypeInvalid {
return nil, errors.New("datastore: src has invalid type")
}
if len(key) != v.Len() {
return nil, errors.New("datastore: key and src slices have different length")
}
if len(key) == 0 {
return nil, nil
}
appID := internal.FullyQualifiedAppID(c)
if err := multiValid(key); err != nil {
return nil, err
}
req := &pb.PutRequest{}
for i := range key {
elem := v.Index(i)
if multiArgType == multiArgTypePropertyLoadSaver || multiArgType == multiArgTypeStruct {
elem = elem.Addr()
}
sProto, err := saveEntity(appID, key[i], elem.Interface())
if err != nil {
return nil, err
}
req.Entity = append(req.Entity, sProto)
}
res := &pb.PutResponse{}
if err := internal.Call(c, "datastore_v3", "Put", req, res); err != nil {
return nil, err
}
if len(key) != len(res.Key) {
return nil, errors.New("datastore: internal error: server returned the wrong number of keys")
}
ret := make([]*Key, len(key))
for i := range ret {
var err error
ret[i], err = protoToKey(res.Key[i])
if err != nil || ret[i].Incomplete() {
return nil, errors.New("datastore: internal error: server returned an invalid key")
}
}
return ret, nil
}
// Delete deletes the entity for the given key.
func Delete(c context.Context, key *Key) error {
err := DeleteMulti(c, []*Key{key})
if me, ok := err.(appengine.MultiError); ok {
return me[0]
}
return err
}
// DeleteMulti is a batch version of Delete.
func DeleteMulti(c context.Context, key []*Key) error {
if len(key) == 0 {
return nil
}
if err := multiValid(key); err != nil {
return err
}
req := &pb.DeleteRequest{
Key: multiKeyToProto(internal.FullyQualifiedAppID(c), key),
}
res := &pb.DeleteResponse{}
return internal.Call(c, "datastore_v3", "Delete", req, res)
}
func namespaceMod(m proto.Message, namespace string) {
// pb.Query is the only type that has a name_space field.
// All other namespace support in datastore is in the keys.
switch m := m.(type) {
case *pb.Query:
if m.NameSpace == nil {
m.NameSpace = &namespace
}
}
}
func init() {
internal.NamespaceMods["datastore_v3"] = namespaceMod
internal.RegisterErrorCodeMap("datastore_v3", pb.Error_ErrorCode_name)
internal.RegisterTimeoutErrorCode("datastore_v3", int32(pb.Error_TIMEOUT))
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
/*
Package datastore provides a client for App Engine's datastore service.
Basic Operations
Entities are the unit of storage and are associated with a key. A key
consists of an optional parent key, a string application ID, a string kind
(also known as an entity type), and either a StringID or an IntID. A
StringID is also known as an entity name or key name.
It is valid to create a key with a zero StringID and a zero IntID; this is
called an incomplete key, and does not refer to any saved entity. Putting an
entity into the datastore under an incomplete key will cause a unique key
to be generated for that entity, with a non-zero IntID.
An entity's contents are a mapping from case-sensitive field names to values.
Valid value types are:
- signed integers (int, int8, int16, int32 and int64),
- bool,
- string,
- float32 and float64,
- []byte (up to 1 megabyte in length),
- any type whose underlying type is one of the above predeclared types,
- ByteString,
- *Key,
- time.Time (stored with microsecond precision),
- appengine.BlobKey,
- appengine.GeoPoint,
- structs whose fields are all valid value types,
- slices of any of the above.
Slices of structs are valid, as are structs that contain slices. However, if
one struct contains another, then at most one of those can be repeated. This
disqualifies recursively defined struct types: any struct T that (directly or
indirectly) contains a []T.
The Get and Put functions load and save an entity's contents. An entity's
contents are typically represented by a struct pointer.
Example code:
type Entity struct {
Value string
}
func handle(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
k := datastore.NewKey(ctx, "Entity", "stringID", 0, nil)
e := new(Entity)
if err := datastore.Get(ctx, k, e); err != nil {
http.Error(w, err.Error(), 500)
return
}
old := e.Value
e.Value = r.URL.Path
if _, err := datastore.Put(ctx, k, e); err != nil {
http.Error(w, err.Error(), 500)
return
}
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
fmt.Fprintf(w, "old=%q\nnew=%q\n", old, e.Value)
}
GetMulti, PutMulti and DeleteMulti are batch versions of the Get, Put and
Delete functions. They take a []*Key instead of a *Key, and may return an
appengine.MultiError when encountering partial failure.
Properties
An entity's contents can be represented by a variety of types. These are
typically struct pointers, but can also be any type that implements the
PropertyLoadSaver interface. If using a struct pointer, you do not have to
explicitly implement the PropertyLoadSaver interface; the datastore will
automatically convert via reflection. If a struct pointer does implement that
interface then those methods will be used in preference to the default
behavior for struct pointers. Struct pointers are more strongly typed and are
easier to use; PropertyLoadSavers are more flexible.
The actual types passed do not have to match between Get and Put calls or even
across different calls to datastore. It is valid to put a *PropertyList and
get that same entity as a *myStruct, or put a *myStruct0 and get a *myStruct1.
Conceptually, any entity is saved as a sequence of properties, and is loaded
into the destination value on a property-by-property basis. When loading into
a struct pointer, an entity that cannot be completely represented (such as a
missing field) will result in an ErrFieldMismatch error but it is up to the
caller whether this error is fatal, recoverable or ignorable.
By default, for struct pointers, all properties are potentially indexed, and
the property name is the same as the field name (and hence must start with an
upper case letter).
Fields may have a `datastore:"name,options"` tag. The tag name is the
property name, which must be one or more valid Go identifiers joined by ".",
but may start with a lower case letter. An empty tag name means to just use the
field name. A "-" tag name means that the datastore will ignore that field.
The only valid options are "omitempty" and "noindex".
If the options include "omitempty" and the value of the field is empty, then the field will be omitted on Save.
The empty values are false, 0, any nil interface value, and any array, slice, map, or string of length zero.
Struct field values will never be empty.
If options include "noindex" then the field will not be indexed. All fields are indexed
by default. Strings or byte slices longer than 1500 bytes cannot be indexed;
fields used to store long strings and byte slices must be tagged with "noindex"
or they will cause Put operations to fail.
To use multiple options together, separate them by a comma.
The order does not matter.
If the options is "" then the comma may be omitted.
Example code:
// A and B are renamed to a and b.
// A, C and J are not indexed.
// D's tag is equivalent to having no tag at all (E).
// I is ignored entirely by the datastore.
// J has tag information for both the datastore and json packages.
type TaggedStruct struct {
A int `datastore:"a,noindex"`
B int `datastore:"b"`
C int `datastore:",noindex"`
D int `datastore:""`
E int
I int `datastore:"-"`
J int `datastore:",noindex" json:"j"`
}
Structured Properties
If the struct pointed to contains other structs, then the nested or embedded
structs are flattened. For example, given these definitions:
type Inner1 struct {
W int32
X string
}
type Inner2 struct {
Y float64
}
type Inner3 struct {
Z bool
}
type Outer struct {
A int16
I []Inner1
J Inner2
Inner3
}
then an Outer's properties would be equivalent to those of:
type OuterEquivalent struct {
A int16
IDotW []int32 `datastore:"I.W"`
IDotX []string `datastore:"I.X"`
JDotY float64 `datastore:"J.Y"`
Z bool
}
If Outer's embedded Inner3 field was tagged as `datastore:"Foo"` then the
equivalent field would instead be: FooDotZ bool `datastore:"Foo.Z"`.
If an outer struct is tagged "noindex" then all of its implicit flattened
fields are effectively "noindex".
The PropertyLoadSaver Interface
An entity's contents can also be represented by any type that implements the
PropertyLoadSaver interface. This type may be a struct pointer, but it does
not have to be. The datastore package will call Load when getting the entity's
contents, and Save when putting the entity's contents.
Possible uses include deriving non-stored fields, verifying fields, or indexing
a field only if its value is positive.
Example code:
type CustomPropsExample struct {
I, J int
// Sum is not stored, but should always be equal to I + J.
Sum int `datastore:"-"`
}
func (x *CustomPropsExample) Load(ps []datastore.Property) error {
// Load I and J as usual.
if err := datastore.LoadStruct(x, ps); err != nil {
return err
}
// Derive the Sum field.
x.Sum = x.I + x.J
return nil
}
func (x *CustomPropsExample) Save() ([]datastore.Property, error) {
// Validate the Sum field.
if x.Sum != x.I + x.J {
return nil, errors.New("CustomPropsExample has inconsistent sum")
}
// Save I and J as usual. The code below is equivalent to calling
// "return datastore.SaveStruct(x)", but is done manually for
// demonstration purposes.
return []datastore.Property{
{
Name: "I",
Value: int64(x.I),
},
{
Name: "J",
Value: int64(x.J),
},
}, nil
}
The *PropertyList type implements PropertyLoadSaver, and can therefore hold an
arbitrary entity's contents.
Queries
Queries retrieve entities based on their properties or key's ancestry. Running
a query yields an iterator of results: either keys or (key, entity) pairs.
Queries are re-usable and it is safe to call Query.Run from concurrent
goroutines. Iterators are not safe for concurrent use.
Queries are immutable, and are either created by calling NewQuery, or derived
from an existing query by calling a method like Filter or Order that returns a
new query value. A query is typically constructed by calling NewQuery followed
by a chain of zero or more such methods. These methods are:
- Ancestor and Filter constrain the entities returned by running a query.
- Order affects the order in which they are returned.
- Project constrains the fields returned.
- Distinct de-duplicates projected entities.
- KeysOnly makes the iterator return only keys, not (key, entity) pairs.
- Start, End, Offset and Limit define which sub-sequence of matching entities
to return. Start and End take cursors, Offset and Limit take integers. Start
and Offset affect the first result, End and Limit affect the last result.
If both Start and Offset are set, then the offset is relative to Start.
If both End and Limit are set, then the earliest constraint wins. Limit is
relative to Start+Offset, not relative to End. As a special case, a
negative limit means unlimited.
Example code:
type Widget struct {
Description string
Price int
}
func handle(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
q := datastore.NewQuery("Widget").
Filter("Price <", 1000).
Order("-Price")
b := new(bytes.Buffer)
for t := q.Run(ctx); ; {
var x Widget
key, err := t.Next(&x)
if err == datastore.Done {
break
}
if err != nil {
serveError(ctx, w, err)
return
}
fmt.Fprintf(b, "Key=%v\nWidget=%#v\n\n", key, x)
}
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
io.Copy(w, b)
}
Transactions
RunInTransaction runs a function in a transaction.
Example code:
type Counter struct {
Count int
}
func inc(ctx context.Context, key *datastore.Key) (int, error) {
var x Counter
if err := datastore.Get(ctx, key, &x); err != nil && err != datastore.ErrNoSuchEntity {
return 0, err
}
x.Count++
if _, err := datastore.Put(ctx, key, &x); err != nil {
return 0, err
}
return x.Count, nil
}
func handle(w http.ResponseWriter, r *http.Request) {
ctx := appengine.NewContext(r)
var count int
err := datastore.RunInTransaction(ctx, func(ctx context.Context) error {
var err1 error
count, err1 = inc(ctx, datastore.NewKey(ctx, "Counter", "singleton", 0, nil))
return err1
}, nil)
if err != nil {
serveError(ctx, w, err)
return
}
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
fmt.Fprintf(w, "Count=%d", count)
}
Metadata
The datastore package provides access to some of App Engine's datastore
metadata. This metadata includes information about the entity groups,
namespaces, entity kinds, and properties in the datastore, as well as the
property representations for each property.
Example code:
func handle(w http.ResponseWriter, r *http.Request) {
// Print all the kinds in the datastore, with all the indexed
// properties (and their representations) for each.
ctx := appengine.NewContext(r)
kinds, err := datastore.Kinds(ctx)
if err != nil {
serveError(ctx, w, err)
return
}
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
for _, kind := range kinds {
fmt.Fprintf(w, "%s:\n", kind)
props, err := datastore.KindProperties(ctx, kind)
if err != nil {
fmt.Fprintln(w, "\t(unable to retrieve properties)")
continue
}
for p, rep := range props {
fmt.Fprintf(w, "\t-%s (%s)\n", p, strings.Join(rep, ", "))
}
}
}
*/
package datastore // import "google.golang.org/appengine/datastore"

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// Copyright 2019 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// Package cloudpb is a subset of types and functions, copied from cloud.google.com/go/datastore.
//
// They are copied here to provide compatibility to decode keys generated by the cloud.google.com/go/datastore package.
package cloudkey
import (
"encoding/base64"
"errors"
"strings"
"github.com/golang/protobuf/proto"
cloudpb "google.golang.org/appengine/datastore/internal/cloudpb"
)
/////////////////////////////////////////////////////////////////////
// Code below is copied from https://github.com/googleapis/google-cloud-go/blob/master/datastore/datastore.go
/////////////////////////////////////////////////////////////////////
var (
// ErrInvalidKey is returned when an invalid key is presented.
ErrInvalidKey = errors.New("datastore: invalid key")
)
/////////////////////////////////////////////////////////////////////
// Code below is copied from https://github.com/googleapis/google-cloud-go/blob/master/datastore/key.go
/////////////////////////////////////////////////////////////////////
// Key represents the datastore key for a stored entity.
type Key struct {
// Kind cannot be empty.
Kind string
// Either ID or Name must be zero for the Key to be valid.
// If both are zero, the Key is incomplete.
ID int64
Name string
// Parent must either be a complete Key or nil.
Parent *Key
// Namespace provides the ability to partition your data for multiple
// tenants. In most cases, it is not necessary to specify a namespace.
// See docs on datastore multitenancy for details:
// https://cloud.google.com/datastore/docs/concepts/multitenancy
Namespace string
}
// DecodeKey decodes a key from the opaque representation returned by Encode.
func DecodeKey(encoded string) (*Key, error) {
// Re-add padding.
if m := len(encoded) % 4; m != 0 {
encoded += strings.Repeat("=", 4-m)
}
b, err := base64.URLEncoding.DecodeString(encoded)
if err != nil {
return nil, err
}
pKey := new(cloudpb.Key)
if err := proto.Unmarshal(b, pKey); err != nil {
return nil, err
}
return protoToKey(pKey)
}
// valid returns whether the key is valid.
func (k *Key) valid() bool {
if k == nil {
return false
}
for ; k != nil; k = k.Parent {
if k.Kind == "" {
return false
}
if k.Name != "" && k.ID != 0 {
return false
}
if k.Parent != nil {
if k.Parent.Incomplete() {
return false
}
if k.Parent.Namespace != k.Namespace {
return false
}
}
}
return true
}
// Incomplete reports whether the key does not refer to a stored entity.
func (k *Key) Incomplete() bool {
return k.Name == "" && k.ID == 0
}
// protoToKey decodes a protocol buffer representation of a key into an
// equivalent *Key object. If the key is invalid, protoToKey will return the
// invalid key along with ErrInvalidKey.
func protoToKey(p *cloudpb.Key) (*Key, error) {
var key *Key
var namespace string
if partition := p.PartitionId; partition != nil {
namespace = partition.NamespaceId
}
for _, el := range p.Path {
key = &Key{
Namespace: namespace,
Kind: el.Kind,
ID: el.GetId(),
Name: el.GetName(),
Parent: key,
}
}
if !key.valid() { // Also detects key == nil.
return key, ErrInvalidKey
}
return key, nil
}

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// Copyright 2019 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// Package cloudpb is a subset of protobufs, copied from google.golang.org/genproto/googleapis/datastore/v1.
//
// They are copied here to provide compatibility to decode keys generated by the cloud.google.com/go/datastore package.
package cloudpb
import (
"fmt"
"github.com/golang/protobuf/proto"
)
// A partition ID identifies a grouping of entities. The grouping is always
// by project and namespace, however the namespace ID may be empty.
//
// A partition ID contains several dimensions:
// project ID and namespace ID.
//
// Partition dimensions:
//
// - May be `""`.
// - Must be valid UTF-8 bytes.
// - Must have values that match regex `[A-Za-z\d\.\-_]{1,100}`
// If the value of any dimension matches regex `__.*__`, the partition is
// reserved/read-only.
// A reserved/read-only partition ID is forbidden in certain documented
// contexts.
//
// Foreign partition IDs (in which the project ID does
// not match the context project ID ) are discouraged.
// Reads and writes of foreign partition IDs may fail if the project is not in
// an active state.
type PartitionId struct {
// The ID of the project to which the entities belong.
ProjectId string `protobuf:"bytes,2,opt,name=project_id,json=projectId,proto3" json:"project_id,omitempty"`
// If not empty, the ID of the namespace to which the entities belong.
NamespaceId string `protobuf:"bytes,4,opt,name=namespace_id,json=namespaceId,proto3" json:"namespace_id,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *PartitionId) Reset() { *m = PartitionId{} }
func (m *PartitionId) String() string { return proto.CompactTextString(m) }
func (*PartitionId) ProtoMessage() {}
func (*PartitionId) Descriptor() ([]byte, []int) {
return fileDescriptor_entity_096a297364b049a5, []int{0}
}
func (m *PartitionId) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_PartitionId.Unmarshal(m, b)
}
func (m *PartitionId) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_PartitionId.Marshal(b, m, deterministic)
}
func (dst *PartitionId) XXX_Merge(src proto.Message) {
xxx_messageInfo_PartitionId.Merge(dst, src)
}
func (m *PartitionId) XXX_Size() int {
return xxx_messageInfo_PartitionId.Size(m)
}
func (m *PartitionId) XXX_DiscardUnknown() {
xxx_messageInfo_PartitionId.DiscardUnknown(m)
}
var xxx_messageInfo_PartitionId proto.InternalMessageInfo
func (m *PartitionId) GetProjectId() string {
if m != nil {
return m.ProjectId
}
return ""
}
func (m *PartitionId) GetNamespaceId() string {
if m != nil {
return m.NamespaceId
}
return ""
}
// A unique identifier for an entity.
// If a key's partition ID or any of its path kinds or names are
// reserved/read-only, the key is reserved/read-only.
// A reserved/read-only key is forbidden in certain documented contexts.
type Key struct {
// Entities are partitioned into subsets, currently identified by a project
// ID and namespace ID.
// Queries are scoped to a single partition.
PartitionId *PartitionId `protobuf:"bytes,1,opt,name=partition_id,json=partitionId,proto3" json:"partition_id,omitempty"`
// The entity path.
// An entity path consists of one or more elements composed of a kind and a
// string or numerical identifier, which identify entities. The first
// element identifies a _root entity_, the second element identifies
// a _child_ of the root entity, the third element identifies a child of the
// second entity, and so forth. The entities identified by all prefixes of
// the path are called the element's _ancestors_.
//
// An entity path is always fully complete: *all* of the entity's ancestors
// are required to be in the path along with the entity identifier itself.
// The only exception is that in some documented cases, the identifier in the
// last path element (for the entity) itself may be omitted. For example,
// the last path element of the key of `Mutation.insert` may have no
// identifier.
//
// A path can never be empty, and a path can have at most 100 elements.
Path []*Key_PathElement `protobuf:"bytes,2,rep,name=path,proto3" json:"path,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Key) Reset() { *m = Key{} }
func (m *Key) String() string { return proto.CompactTextString(m) }
func (*Key) ProtoMessage() {}
func (*Key) Descriptor() ([]byte, []int) {
return fileDescriptor_entity_096a297364b049a5, []int{1}
}
func (m *Key) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Key.Unmarshal(m, b)
}
func (m *Key) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Key.Marshal(b, m, deterministic)
}
func (dst *Key) XXX_Merge(src proto.Message) {
xxx_messageInfo_Key.Merge(dst, src)
}
func (m *Key) XXX_Size() int {
return xxx_messageInfo_Key.Size(m)
}
func (m *Key) XXX_DiscardUnknown() {
xxx_messageInfo_Key.DiscardUnknown(m)
}
// A (kind, ID/name) pair used to construct a key path.
//
// If either name or ID is set, the element is complete.
// If neither is set, the element is incomplete.
type Key_PathElement struct {
// The kind of the entity.
// A kind matching regex `__.*__` is reserved/read-only.
// A kind must not contain more than 1500 bytes when UTF-8 encoded.
// Cannot be `""`.
Kind string `protobuf:"bytes,1,opt,name=kind,proto3" json:"kind,omitempty"`
// The type of ID.
//
// Types that are valid to be assigned to IdType:
// *Key_PathElement_Id
// *Key_PathElement_Name
IdType isKey_PathElement_IdType `protobuf_oneof:"id_type"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Key_PathElement) Reset() { *m = Key_PathElement{} }
func (m *Key_PathElement) String() string { return proto.CompactTextString(m) }
func (*Key_PathElement) ProtoMessage() {}
func (*Key_PathElement) Descriptor() ([]byte, []int) {
return fileDescriptor_entity_096a297364b049a5, []int{1, 0}
}
func (m *Key_PathElement) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Key_PathElement.Unmarshal(m, b)
}
func (m *Key_PathElement) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Key_PathElement.Marshal(b, m, deterministic)
}
func (dst *Key_PathElement) XXX_Merge(src proto.Message) {
xxx_messageInfo_Key_PathElement.Merge(dst, src)
}
func (m *Key_PathElement) XXX_Size() int {
return xxx_messageInfo_Key_PathElement.Size(m)
}
func (m *Key_PathElement) XXX_DiscardUnknown() {
xxx_messageInfo_Key_PathElement.DiscardUnknown(m)
}
var xxx_messageInfo_Key_PathElement proto.InternalMessageInfo
func (m *Key_PathElement) GetKind() string {
if m != nil {
return m.Kind
}
return ""
}
type isKey_PathElement_IdType interface {
isKey_PathElement_IdType()
}
type Key_PathElement_Id struct {
Id int64 `protobuf:"varint,2,opt,name=id,proto3,oneof"`
}
type Key_PathElement_Name struct {
Name string `protobuf:"bytes,3,opt,name=name,proto3,oneof"`
}
func (*Key_PathElement_Id) isKey_PathElement_IdType() {}
func (*Key_PathElement_Name) isKey_PathElement_IdType() {}
func (m *Key_PathElement) GetIdType() isKey_PathElement_IdType {
if m != nil {
return m.IdType
}
return nil
}
func (m *Key_PathElement) GetId() int64 {
if x, ok := m.GetIdType().(*Key_PathElement_Id); ok {
return x.Id
}
return 0
}
func (m *Key_PathElement) GetName() string {
if x, ok := m.GetIdType().(*Key_PathElement_Name); ok {
return x.Name
}
return ""
}
// XXX_OneofFuncs is for the internal use of the proto package.
func (*Key_PathElement) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
return _Key_PathElement_OneofMarshaler, _Key_PathElement_OneofUnmarshaler, _Key_PathElement_OneofSizer, []interface{}{
(*Key_PathElement_Id)(nil),
(*Key_PathElement_Name)(nil),
}
}
func _Key_PathElement_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
m := msg.(*Key_PathElement)
// id_type
switch x := m.IdType.(type) {
case *Key_PathElement_Id:
b.EncodeVarint(2<<3 | proto.WireVarint)
b.EncodeVarint(uint64(x.Id))
case *Key_PathElement_Name:
b.EncodeVarint(3<<3 | proto.WireBytes)
b.EncodeStringBytes(x.Name)
case nil:
default:
return fmt.Errorf("Key_PathElement.IdType has unexpected type %T", x)
}
return nil
}
func _Key_PathElement_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
m := msg.(*Key_PathElement)
switch tag {
case 2: // id_type.id
if wire != proto.WireVarint {
return true, proto.ErrInternalBadWireType
}
x, err := b.DecodeVarint()
m.IdType = &Key_PathElement_Id{int64(x)}
return true, err
case 3: // id_type.name
if wire != proto.WireBytes {
return true, proto.ErrInternalBadWireType
}
x, err := b.DecodeStringBytes()
m.IdType = &Key_PathElement_Name{x}
return true, err
default:
return false, nil
}
}
func _Key_PathElement_OneofSizer(msg proto.Message) (n int) {
m := msg.(*Key_PathElement)
// id_type
switch x := m.IdType.(type) {
case *Key_PathElement_Id:
n += 1 // tag and wire
n += proto.SizeVarint(uint64(x.Id))
case *Key_PathElement_Name:
n += 1 // tag and wire
n += proto.SizeVarint(uint64(len(x.Name)))
n += len(x.Name)
case nil:
default:
panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
}
return n
}
var fileDescriptor_entity_096a297364b049a5 = []byte{
// 780 bytes of a gzipped FileDescriptorProto
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}
var xxx_messageInfo_Key proto.InternalMessageInfo

400
vendor/google.golang.org/appengine/datastore/key.go generated vendored Normal file
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@ -0,0 +1,400 @@
// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"bytes"
"encoding/base64"
"encoding/gob"
"errors"
"fmt"
"strconv"
"strings"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
pb "google.golang.org/appengine/internal/datastore"
)
type KeyRangeCollisionError struct {
start int64
end int64
}
func (e *KeyRangeCollisionError) Error() string {
return fmt.Sprintf("datastore: Collision when attempting to allocate range [%d, %d]",
e.start, e.end)
}
type KeyRangeContentionError struct {
start int64
end int64
}
func (e *KeyRangeContentionError) Error() string {
return fmt.Sprintf("datastore: Contention when attempting to allocate range [%d, %d]",
e.start, e.end)
}
// Key represents the datastore key for a stored entity, and is immutable.
type Key struct {
kind string
stringID string
intID int64
parent *Key
appID string
namespace string
}
// Kind returns the key's kind (also known as entity type).
func (k *Key) Kind() string {
return k.kind
}
// StringID returns the key's string ID (also known as an entity name or key
// name), which may be "".
func (k *Key) StringID() string {
return k.stringID
}
// IntID returns the key's integer ID, which may be 0.
func (k *Key) IntID() int64 {
return k.intID
}
// Parent returns the key's parent key, which may be nil.
func (k *Key) Parent() *Key {
return k.parent
}
// AppID returns the key's application ID.
func (k *Key) AppID() string {
return k.appID
}
// Namespace returns the key's namespace.
func (k *Key) Namespace() string {
return k.namespace
}
// Incomplete returns whether the key does not refer to a stored entity.
// In particular, whether the key has a zero StringID and a zero IntID.
func (k *Key) Incomplete() bool {
return k.stringID == "" && k.intID == 0
}
// valid returns whether the key is valid.
func (k *Key) valid() bool {
if k == nil {
return false
}
for ; k != nil; k = k.parent {
if k.kind == "" || k.appID == "" {
return false
}
if k.stringID != "" && k.intID != 0 {
return false
}
if k.parent != nil {
if k.parent.Incomplete() {
return false
}
if k.parent.appID != k.appID || k.parent.namespace != k.namespace {
return false
}
}
}
return true
}
// Equal returns whether two keys are equal.
func (k *Key) Equal(o *Key) bool {
for k != nil && o != nil {
if k.kind != o.kind || k.stringID != o.stringID || k.intID != o.intID || k.appID != o.appID || k.namespace != o.namespace {
return false
}
k, o = k.parent, o.parent
}
return k == o
}
// root returns the furthest ancestor of a key, which may be itself.
func (k *Key) root() *Key {
for k.parent != nil {
k = k.parent
}
return k
}
// marshal marshals the key's string representation to the buffer.
func (k *Key) marshal(b *bytes.Buffer) {
if k.parent != nil {
k.parent.marshal(b)
}
b.WriteByte('/')
b.WriteString(k.kind)
b.WriteByte(',')
if k.stringID != "" {
b.WriteString(k.stringID)
} else {
b.WriteString(strconv.FormatInt(k.intID, 10))
}
}
// String returns a string representation of the key.
func (k *Key) String() string {
if k == nil {
return ""
}
b := bytes.NewBuffer(make([]byte, 0, 512))
k.marshal(b)
return b.String()
}
type gobKey struct {
Kind string
StringID string
IntID int64
Parent *gobKey
AppID string
Namespace string
}
func keyToGobKey(k *Key) *gobKey {
if k == nil {
return nil
}
return &gobKey{
Kind: k.kind,
StringID: k.stringID,
IntID: k.intID,
Parent: keyToGobKey(k.parent),
AppID: k.appID,
Namespace: k.namespace,
}
}
func gobKeyToKey(gk *gobKey) *Key {
if gk == nil {
return nil
}
return &Key{
kind: gk.Kind,
stringID: gk.StringID,
intID: gk.IntID,
parent: gobKeyToKey(gk.Parent),
appID: gk.AppID,
namespace: gk.Namespace,
}
}
func (k *Key) GobEncode() ([]byte, error) {
buf := new(bytes.Buffer)
if err := gob.NewEncoder(buf).Encode(keyToGobKey(k)); err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func (k *Key) GobDecode(buf []byte) error {
gk := new(gobKey)
if err := gob.NewDecoder(bytes.NewBuffer(buf)).Decode(gk); err != nil {
return err
}
*k = *gobKeyToKey(gk)
return nil
}
func (k *Key) MarshalJSON() ([]byte, error) {
return []byte(`"` + k.Encode() + `"`), nil
}
func (k *Key) UnmarshalJSON(buf []byte) error {
if len(buf) < 2 || buf[0] != '"' || buf[len(buf)-1] != '"' {
return errors.New("datastore: bad JSON key")
}
k2, err := DecodeKey(string(buf[1 : len(buf)-1]))
if err != nil {
return err
}
*k = *k2
return nil
}
// Encode returns an opaque representation of the key
// suitable for use in HTML and URLs.
// This is compatible with the Python and Java runtimes.
func (k *Key) Encode() string {
ref := keyToProto("", k)
b, err := proto.Marshal(ref)
if err != nil {
panic(err)
}
// Trailing padding is stripped.
return strings.TrimRight(base64.URLEncoding.EncodeToString(b), "=")
}
// DecodeKey decodes a key from the opaque representation returned by Encode.
func DecodeKey(encoded string) (*Key, error) {
// Re-add padding.
if m := len(encoded) % 4; m != 0 {
encoded += strings.Repeat("=", 4-m)
}
b, err := base64.URLEncoding.DecodeString(encoded)
if err != nil {
return nil, err
}
ref := new(pb.Reference)
if err := proto.Unmarshal(b, ref); err != nil {
// Couldn't decode it as an App Engine key, try decoding it as a key encoded by cloud.google.com/go/datastore.
if k := decodeCloudKey(encoded); k != nil {
return k, nil
}
return nil, err
}
return protoToKey(ref)
}
// NewIncompleteKey creates a new incomplete key.
// kind cannot be empty.
func NewIncompleteKey(c context.Context, kind string, parent *Key) *Key {
return NewKey(c, kind, "", 0, parent)
}
// NewKey creates a new key.
// kind cannot be empty.
// Either one or both of stringID and intID must be zero. If both are zero,
// the key returned is incomplete.
// parent must either be a complete key or nil.
func NewKey(c context.Context, kind, stringID string, intID int64, parent *Key) *Key {
// If there's a parent key, use its namespace.
// Otherwise, use any namespace attached to the context.
var namespace string
if parent != nil {
namespace = parent.namespace
} else {
namespace = internal.NamespaceFromContext(c)
}
return &Key{
kind: kind,
stringID: stringID,
intID: intID,
parent: parent,
appID: internal.FullyQualifiedAppID(c),
namespace: namespace,
}
}
// AllocateIDs returns a range of n integer IDs with the given kind and parent
// combination. kind cannot be empty; parent may be nil. The IDs in the range
// returned will not be used by the datastore's automatic ID sequence generator
// and may be used with NewKey without conflict.
//
// The range is inclusive at the low end and exclusive at the high end. In
// other words, valid intIDs x satisfy low <= x && x < high.
//
// If no error is returned, low + n == high.
func AllocateIDs(c context.Context, kind string, parent *Key, n int) (low, high int64, err error) {
if kind == "" {
return 0, 0, errors.New("datastore: AllocateIDs given an empty kind")
}
if n < 0 {
return 0, 0, fmt.Errorf("datastore: AllocateIDs given a negative count: %d", n)
}
if n == 0 {
return 0, 0, nil
}
req := &pb.AllocateIdsRequest{
ModelKey: keyToProto("", NewIncompleteKey(c, kind, parent)),
Size: proto.Int64(int64(n)),
}
res := &pb.AllocateIdsResponse{}
if err := internal.Call(c, "datastore_v3", "AllocateIds", req, res); err != nil {
return 0, 0, err
}
// The protobuf is inclusive at both ends. Idiomatic Go (e.g. slices, for loops)
// is inclusive at the low end and exclusive at the high end, so we add 1.
low = res.GetStart()
high = res.GetEnd() + 1
if low+int64(n) != high {
return 0, 0, fmt.Errorf("datastore: internal error: could not allocate %d IDs", n)
}
return low, high, nil
}
// AllocateIDRange allocates a range of IDs with specific endpoints.
// The range is inclusive at both the low and high end. Once these IDs have been
// allocated, you can manually assign them to newly created entities.
//
// The Datastore's automatic ID allocator never assigns a key that has already
// been allocated (either through automatic ID allocation or through an explicit
// AllocateIDs call). As a result, entities written to the given key range will
// never be overwritten. However, writing entities with manually assigned keys in
// this range may overwrite existing entities (or new entities written by a separate
// request), depending on the error returned.
//
// Use this only if you have an existing numeric ID range that you want to reserve
// (for example, bulk loading entities that already have IDs). If you don't care
// about which IDs you receive, use AllocateIDs instead.
//
// AllocateIDRange returns nil if the range is successfully allocated. If one or more
// entities with an ID in the given range already exist, it returns a KeyRangeCollisionError.
// If the Datastore has already cached IDs in this range (e.g. from a previous call to
// AllocateIDRange), it returns a KeyRangeContentionError. Errors of other types indicate
// problems with arguments or an error returned directly from the Datastore.
func AllocateIDRange(c context.Context, kind string, parent *Key, start, end int64) (err error) {
if kind == "" {
return errors.New("datastore: AllocateIDRange given an empty kind")
}
if start < 1 || end < 1 {
return errors.New("datastore: AllocateIDRange start and end must both be greater than 0")
}
if start > end {
return errors.New("datastore: AllocateIDRange start must be before end")
}
req := &pb.AllocateIdsRequest{
ModelKey: keyToProto("", NewIncompleteKey(c, kind, parent)),
Max: proto.Int64(end),
}
res := &pb.AllocateIdsResponse{}
if err := internal.Call(c, "datastore_v3", "AllocateIds", req, res); err != nil {
return err
}
// Check for collisions, i.e. existing entities with IDs in this range.
// We could do this before the allocation, but we'd still have to do it
// afterward as well to catch the race condition where an entity is inserted
// after that initial check but before the allocation. Skip the up-front check
// and just do it once.
q := NewQuery(kind).Filter("__key__ >=", NewKey(c, kind, "", start, parent)).
Filter("__key__ <=", NewKey(c, kind, "", end, parent)).KeysOnly().Limit(1)
keys, err := q.GetAll(c, nil)
if err != nil {
return err
}
if len(keys) != 0 {
return &KeyRangeCollisionError{start: start, end: end}
}
// Check for a race condition, i.e. cases where the datastore may have
// cached ID batches that contain IDs in this range.
if start < res.GetStart() {
return &KeyRangeContentionError{start: start, end: end}
}
return nil
}

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// Copyright 2019 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"sync"
"golang.org/x/net/context"
"google.golang.org/appengine/datastore/internal/cloudkey"
"google.golang.org/appengine/internal"
)
var keyConversion struct {
mu sync.RWMutex
appID string // read using getKeyConversionAppID
}
// EnableKeyConversion enables encoded key compatibility with the Cloud
// Datastore client library (cloud.google.com/go/datastore). Encoded keys
// generated by the Cloud Datastore client library will be decoded into App
// Engine datastore keys.
//
// The context provided must be an App Engine context if running in App Engine
// first generation runtime. This can be called in the /_ah/start handler. It is
// safe to call multiple times, and is cheap to call, so can also be inserted as
// middleware.
//
// Enabling key compatibility does not affect the encoding format used by
// Key.Encode, it only expands the type of keys that are able to be decoded with
// DecodeKey.
func EnableKeyConversion(ctx context.Context) {
// Only attempt to set appID if it's unset.
// If already set, ignore.
if getKeyConversionAppID() != "" {
return
}
keyConversion.mu.Lock()
// Check again to avoid race where another goroutine set appID between the call
// to getKeyConversionAppID above and taking the write lock.
if keyConversion.appID == "" {
keyConversion.appID = internal.FullyQualifiedAppID(ctx)
}
keyConversion.mu.Unlock()
}
func getKeyConversionAppID() string {
keyConversion.mu.RLock()
appID := keyConversion.appID
keyConversion.mu.RUnlock()
return appID
}
// decodeCloudKey attempts to decode the given encoded key generated by the
// Cloud Datastore client library (cloud.google.com/go/datastore), returning nil
// if the key couldn't be decoded.
func decodeCloudKey(encoded string) *Key {
appID := getKeyConversionAppID()
if appID == "" {
return nil
}
k, err := cloudkey.DecodeKey(encoded)
if err != nil {
return nil
}
return convertCloudKey(k, appID)
}
// convertCloudKey converts a Cloud Datastore key and converts it to an App
// Engine Datastore key. Cloud Datastore keys don't include the project/app ID,
// so we must add it back in.
func convertCloudKey(key *cloudkey.Key, appID string) *Key {
if key == nil {
return nil
}
k := &Key{
intID: key.ID,
kind: key.Kind,
namespace: key.Namespace,
parent: convertCloudKey(key.Parent, appID),
stringID: key.Name,
appID: appID,
}
return k
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"fmt"
"reflect"
"strings"
"time"
"github.com/golang/protobuf/proto"
"google.golang.org/appengine"
pb "google.golang.org/appengine/internal/datastore"
)
var (
typeOfBlobKey = reflect.TypeOf(appengine.BlobKey(""))
typeOfByteSlice = reflect.TypeOf([]byte(nil))
typeOfByteString = reflect.TypeOf(ByteString(nil))
typeOfGeoPoint = reflect.TypeOf(appengine.GeoPoint{})
typeOfTime = reflect.TypeOf(time.Time{})
typeOfKeyPtr = reflect.TypeOf(&Key{})
typeOfEntityPtr = reflect.TypeOf(&Entity{})
)
// typeMismatchReason returns a string explaining why the property p could not
// be stored in an entity field of type v.Type().
func typeMismatchReason(pValue interface{}, v reflect.Value) string {
entityType := "empty"
switch pValue.(type) {
case int64:
entityType = "int"
case bool:
entityType = "bool"
case string:
entityType = "string"
case float64:
entityType = "float"
case *Key:
entityType = "*datastore.Key"
case time.Time:
entityType = "time.Time"
case appengine.BlobKey:
entityType = "appengine.BlobKey"
case appengine.GeoPoint:
entityType = "appengine.GeoPoint"
case ByteString:
entityType = "datastore.ByteString"
case []byte:
entityType = "[]byte"
}
return fmt.Sprintf("type mismatch: %s versus %v", entityType, v.Type())
}
type propertyLoader struct {
// m holds the number of times a substruct field like "Foo.Bar.Baz" has
// been seen so far. The map is constructed lazily.
m map[string]int
}
func (l *propertyLoader) load(codec *structCodec, structValue reflect.Value, p Property, requireSlice bool) string {
var v reflect.Value
var sliceIndex int
name := p.Name
// If name ends with a '.', the last field is anonymous.
// In this case, strings.Split will give us "" as the
// last element of our fields slice, which will match the ""
// field name in the substruct codec.
fields := strings.Split(name, ".")
for len(fields) > 0 {
var decoder fieldCodec
var ok bool
// Cut off the last field (delimited by ".") and find its parent
// in the codec.
// eg. for name "A.B.C.D", split off "A.B.C" and try to
// find a field in the codec with this name.
// Loop again with "A.B", etc.
for i := len(fields); i > 0; i-- {
parent := strings.Join(fields[:i], ".")
decoder, ok = codec.fields[parent]
if ok {
fields = fields[i:]
break
}
}
// If we never found a matching field in the codec, return
// error message.
if !ok {
return "no such struct field"
}
v = initField(structValue, decoder.path)
if !v.IsValid() {
return "no such struct field"
}
if !v.CanSet() {
return "cannot set struct field"
}
if decoder.structCodec != nil {
codec = decoder.structCodec
structValue = v
}
if v.Kind() == reflect.Slice && v.Type() != typeOfByteSlice {
if l.m == nil {
l.m = make(map[string]int)
}
sliceIndex = l.m[p.Name]
l.m[p.Name] = sliceIndex + 1
for v.Len() <= sliceIndex {
v.Set(reflect.Append(v, reflect.New(v.Type().Elem()).Elem()))
}
structValue = v.Index(sliceIndex)
requireSlice = false
}
}
var slice reflect.Value
if v.Kind() == reflect.Slice && v.Type().Elem().Kind() != reflect.Uint8 {
slice = v
v = reflect.New(v.Type().Elem()).Elem()
} else if requireSlice {
return "multiple-valued property requires a slice field type"
}
// Convert indexValues to a Go value with a meaning derived from the
// destination type.
pValue := p.Value
if iv, ok := pValue.(indexValue); ok {
meaning := pb.Property_NO_MEANING
switch v.Type() {
case typeOfBlobKey:
meaning = pb.Property_BLOBKEY
case typeOfByteSlice:
meaning = pb.Property_BLOB
case typeOfByteString:
meaning = pb.Property_BYTESTRING
case typeOfGeoPoint:
meaning = pb.Property_GEORSS_POINT
case typeOfTime:
meaning = pb.Property_GD_WHEN
case typeOfEntityPtr:
meaning = pb.Property_ENTITY_PROTO
}
var err error
pValue, err = propValue(iv.value, meaning)
if err != nil {
return err.Error()
}
}
if errReason := setVal(v, pValue); errReason != "" {
// Set the slice back to its zero value.
if slice.IsValid() {
slice.Set(reflect.Zero(slice.Type()))
}
return errReason
}
if slice.IsValid() {
slice.Index(sliceIndex).Set(v)
}
return ""
}
// setVal sets v to the value pValue.
func setVal(v reflect.Value, pValue interface{}) string {
switch v.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
x, ok := pValue.(int64)
if !ok && pValue != nil {
return typeMismatchReason(pValue, v)
}
if v.OverflowInt(x) {
return fmt.Sprintf("value %v overflows struct field of type %v", x, v.Type())
}
v.SetInt(x)
case reflect.Bool:
x, ok := pValue.(bool)
if !ok && pValue != nil {
return typeMismatchReason(pValue, v)
}
v.SetBool(x)
case reflect.String:
switch x := pValue.(type) {
case appengine.BlobKey:
v.SetString(string(x))
case ByteString:
v.SetString(string(x))
case string:
v.SetString(x)
default:
if pValue != nil {
return typeMismatchReason(pValue, v)
}
}
case reflect.Float32, reflect.Float64:
x, ok := pValue.(float64)
if !ok && pValue != nil {
return typeMismatchReason(pValue, v)
}
if v.OverflowFloat(x) {
return fmt.Sprintf("value %v overflows struct field of type %v", x, v.Type())
}
v.SetFloat(x)
case reflect.Ptr:
x, ok := pValue.(*Key)
if !ok && pValue != nil {
return typeMismatchReason(pValue, v)
}
if _, ok := v.Interface().(*Key); !ok {
return typeMismatchReason(pValue, v)
}
v.Set(reflect.ValueOf(x))
case reflect.Struct:
switch v.Type() {
case typeOfTime:
x, ok := pValue.(time.Time)
if !ok && pValue != nil {
return typeMismatchReason(pValue, v)
}
v.Set(reflect.ValueOf(x))
case typeOfGeoPoint:
x, ok := pValue.(appengine.GeoPoint)
if !ok && pValue != nil {
return typeMismatchReason(pValue, v)
}
v.Set(reflect.ValueOf(x))
default:
ent, ok := pValue.(*Entity)
if !ok {
return typeMismatchReason(pValue, v)
}
// Recursively load nested struct
pls, err := newStructPLS(v.Addr().Interface())
if err != nil {
return err.Error()
}
// if ent has a Key value and our struct has a Key field,
// load the Entity's Key value into the Key field on the struct.
if ent.Key != nil && pls.codec.keyField != -1 {
pls.v.Field(pls.codec.keyField).Set(reflect.ValueOf(ent.Key))
}
err = pls.Load(ent.Properties)
if err != nil {
return err.Error()
}
}
case reflect.Slice:
x, ok := pValue.([]byte)
if !ok {
if y, yok := pValue.(ByteString); yok {
x, ok = []byte(y), true
}
}
if !ok && pValue != nil {
return typeMismatchReason(pValue, v)
}
if v.Type().Elem().Kind() != reflect.Uint8 {
return typeMismatchReason(pValue, v)
}
v.SetBytes(x)
default:
return typeMismatchReason(pValue, v)
}
return ""
}
// initField is similar to reflect's Value.FieldByIndex, in that it
// returns the nested struct field corresponding to index, but it
// initialises any nil pointers encountered when traversing the structure.
func initField(val reflect.Value, index []int) reflect.Value {
for _, i := range index[:len(index)-1] {
val = val.Field(i)
if val.Kind() == reflect.Ptr {
if val.IsNil() {
val.Set(reflect.New(val.Type().Elem()))
}
val = val.Elem()
}
}
return val.Field(index[len(index)-1])
}
// loadEntity loads an EntityProto into PropertyLoadSaver or struct pointer.
func loadEntity(dst interface{}, src *pb.EntityProto) (err error) {
ent, err := protoToEntity(src)
if err != nil {
return err
}
if e, ok := dst.(PropertyLoadSaver); ok {
return e.Load(ent.Properties)
}
return LoadStruct(dst, ent.Properties)
}
func (s structPLS) Load(props []Property) error {
var fieldName, reason string
var l propertyLoader
for _, p := range props {
if errStr := l.load(s.codec, s.v, p, p.Multiple); errStr != "" {
// We don't return early, as we try to load as many properties as possible.
// It is valid to load an entity into a struct that cannot fully represent it.
// That case returns an error, but the caller is free to ignore it.
fieldName, reason = p.Name, errStr
}
}
if reason != "" {
return &ErrFieldMismatch{
StructType: s.v.Type(),
FieldName: fieldName,
Reason: reason,
}
}
return nil
}
func protoToEntity(src *pb.EntityProto) (*Entity, error) {
props, rawProps := src.Property, src.RawProperty
outProps := make([]Property, 0, len(props)+len(rawProps))
for {
var (
x *pb.Property
noIndex bool
)
if len(props) > 0 {
x, props = props[0], props[1:]
} else if len(rawProps) > 0 {
x, rawProps = rawProps[0], rawProps[1:]
noIndex = true
} else {
break
}
var value interface{}
if x.Meaning != nil && *x.Meaning == pb.Property_INDEX_VALUE {
value = indexValue{x.Value}
} else {
var err error
value, err = propValue(x.Value, x.GetMeaning())
if err != nil {
return nil, err
}
}
outProps = append(outProps, Property{
Name: x.GetName(),
Value: value,
NoIndex: noIndex,
Multiple: x.GetMultiple(),
})
}
var key *Key
if src.Key != nil {
// Ignore any error, since nested entity values
// are allowed to have an invalid key.
key, _ = protoToKey(src.Key)
}
return &Entity{key, outProps}, nil
}
// propValue returns a Go value that combines the raw PropertyValue with a
// meaning. For example, an Int64Value with GD_WHEN becomes a time.Time.
func propValue(v *pb.PropertyValue, m pb.Property_Meaning) (interface{}, error) {
switch {
case v.Int64Value != nil:
if m == pb.Property_GD_WHEN {
return fromUnixMicro(*v.Int64Value), nil
} else {
return *v.Int64Value, nil
}
case v.BooleanValue != nil:
return *v.BooleanValue, nil
case v.StringValue != nil:
if m == pb.Property_BLOB {
return []byte(*v.StringValue), nil
} else if m == pb.Property_BLOBKEY {
return appengine.BlobKey(*v.StringValue), nil
} else if m == pb.Property_BYTESTRING {
return ByteString(*v.StringValue), nil
} else if m == pb.Property_ENTITY_PROTO {
var ent pb.EntityProto
err := proto.Unmarshal([]byte(*v.StringValue), &ent)
if err != nil {
return nil, err
}
return protoToEntity(&ent)
} else {
return *v.StringValue, nil
}
case v.DoubleValue != nil:
return *v.DoubleValue, nil
case v.Referencevalue != nil:
key, err := referenceValueToKey(v.Referencevalue)
if err != nil {
return nil, err
}
return key, nil
case v.Pointvalue != nil:
// NOTE: Strangely, latitude maps to X, longitude to Y.
return appengine.GeoPoint{Lat: v.Pointvalue.GetX(), Lng: v.Pointvalue.GetY()}, nil
}
return nil, nil
}
// indexValue is a Property value that is created when entities are loaded from
// an index, such as from a projection query.
//
// Such Property values do not contain all of the metadata required to be
// faithfully represented as a Go value, and are instead represented as an
// opaque indexValue. Load the properties into a concrete struct type (e.g. by
// passing a struct pointer to Iterator.Next) to reconstruct actual Go values
// of type int, string, time.Time, etc.
type indexValue struct {
value *pb.PropertyValue
}

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// Copyright 2016 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import "golang.org/x/net/context"
// Datastore kinds for the metadata entities.
const (
namespaceKind = "__namespace__"
kindKind = "__kind__"
propertyKind = "__property__"
)
// Namespaces returns all the datastore namespaces.
func Namespaces(ctx context.Context) ([]string, error) {
// TODO(djd): Support range queries.
q := NewQuery(namespaceKind).KeysOnly()
keys, err := q.GetAll(ctx, nil)
if err != nil {
return nil, err
}
// The empty namespace key uses a numeric ID (==1), but luckily
// the string ID defaults to "" for numeric IDs anyway.
return keyNames(keys), nil
}
// Kinds returns the names of all the kinds in the current namespace.
func Kinds(ctx context.Context) ([]string, error) {
// TODO(djd): Support range queries.
q := NewQuery(kindKind).KeysOnly()
keys, err := q.GetAll(ctx, nil)
if err != nil {
return nil, err
}
return keyNames(keys), nil
}
// keyNames returns a slice of the provided keys' names (string IDs).
func keyNames(keys []*Key) []string {
n := make([]string, 0, len(keys))
for _, k := range keys {
n = append(n, k.StringID())
}
return n
}
// KindProperties returns all the indexed properties for the given kind.
// The properties are returned as a map of property names to a slice of the
// representation types. The representation types for the supported Go property
// types are:
// "INT64": signed integers and time.Time
// "DOUBLE": float32 and float64
// "BOOLEAN": bool
// "STRING": string, []byte and ByteString
// "POINT": appengine.GeoPoint
// "REFERENCE": *Key
// "USER": (not used in the Go runtime)
func KindProperties(ctx context.Context, kind string) (map[string][]string, error) {
// TODO(djd): Support range queries.
kindKey := NewKey(ctx, kindKind, kind, 0, nil)
q := NewQuery(propertyKind).Ancestor(kindKey)
propMap := map[string][]string{}
props := []struct {
Repr []string `datastore:"property_representation"`
}{}
keys, err := q.GetAll(ctx, &props)
if err != nil {
return nil, err
}
for i, p := range props {
propMap[keys[i].StringID()] = p.Repr
}
return propMap, nil
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"fmt"
"reflect"
"strings"
"sync"
"unicode"
)
// Entities with more than this many indexed properties will not be saved.
const maxIndexedProperties = 20000
// []byte fields more than 1 megabyte long will not be loaded or saved.
const maxBlobLen = 1 << 20
// Property is a name/value pair plus some metadata. A datastore entity's
// contents are loaded and saved as a sequence of Properties. An entity can
// have multiple Properties with the same name, provided that p.Multiple is
// true on all of that entity's Properties with that name.
type Property struct {
// Name is the property name.
Name string
// Value is the property value. The valid types are:
// - int64
// - bool
// - string
// - float64
// - ByteString
// - *Key
// - time.Time
// - appengine.BlobKey
// - appengine.GeoPoint
// - []byte (up to 1 megabyte in length)
// - *Entity (representing a nested struct)
// This set is smaller than the set of valid struct field types that the
// datastore can load and save. A Property Value cannot be a slice (apart
// from []byte); use multiple Properties instead. Also, a Value's type
// must be explicitly on the list above; it is not sufficient for the
// underlying type to be on that list. For example, a Value of "type
// myInt64 int64" is invalid. Smaller-width integers and floats are also
// invalid. Again, this is more restrictive than the set of valid struct
// field types.
//
// A Value will have an opaque type when loading entities from an index,
// such as via a projection query. Load entities into a struct instead
// of a PropertyLoadSaver when using a projection query.
//
// A Value may also be the nil interface value; this is equivalent to
// Python's None but not directly representable by a Go struct. Loading
// a nil-valued property into a struct will set that field to the zero
// value.
Value interface{}
// NoIndex is whether the datastore cannot index this property.
NoIndex bool
// Multiple is whether the entity can have multiple properties with
// the same name. Even if a particular instance only has one property with
// a certain name, Multiple should be true if a struct would best represent
// it as a field of type []T instead of type T.
Multiple bool
}
// An Entity is the value type for a nested struct.
// This type is only used for a Property's Value.
type Entity struct {
Key *Key
Properties []Property
}
// ByteString is a short byte slice (up to 1500 bytes) that can be indexed.
type ByteString []byte
// PropertyLoadSaver can be converted from and to a slice of Properties.
type PropertyLoadSaver interface {
Load([]Property) error
Save() ([]Property, error)
}
// PropertyList converts a []Property to implement PropertyLoadSaver.
type PropertyList []Property
var (
typeOfPropertyLoadSaver = reflect.TypeOf((*PropertyLoadSaver)(nil)).Elem()
typeOfPropertyList = reflect.TypeOf(PropertyList(nil))
)
// Load loads all of the provided properties into l.
// It does not first reset *l to an empty slice.
func (l *PropertyList) Load(p []Property) error {
*l = append(*l, p...)
return nil
}
// Save saves all of l's properties as a slice or Properties.
func (l *PropertyList) Save() ([]Property, error) {
return *l, nil
}
// validPropertyName returns whether name consists of one or more valid Go
// identifiers joined by ".".
func validPropertyName(name string) bool {
if name == "" {
return false
}
for _, s := range strings.Split(name, ".") {
if s == "" {
return false
}
first := true
for _, c := range s {
if first {
first = false
if c != '_' && !unicode.IsLetter(c) {
return false
}
} else {
if c != '_' && !unicode.IsLetter(c) && !unicode.IsDigit(c) {
return false
}
}
}
}
return true
}
// structCodec describes how to convert a struct to and from a sequence of
// properties.
type structCodec struct {
// fields gives the field codec for the structTag with the given name.
fields map[string]fieldCodec
// hasSlice is whether a struct or any of its nested or embedded structs
// has a slice-typed field (other than []byte).
hasSlice bool
// keyField is the index of a *Key field with structTag __key__.
// This field is not relevant for the top level struct, only for
// nested structs.
keyField int
// complete is whether the structCodec is complete. An incomplete
// structCodec may be encountered when walking a recursive struct.
complete bool
}
// fieldCodec is a struct field's index and, if that struct field's type is
// itself a struct, that substruct's structCodec.
type fieldCodec struct {
// path is the index path to the field
path []int
noIndex bool
// omitEmpty indicates that the field should be omitted on save
// if empty.
omitEmpty bool
// structCodec is the codec fot the struct field at index 'path',
// or nil if the field is not a struct.
structCodec *structCodec
}
// structCodecs collects the structCodecs that have already been calculated.
var (
structCodecsMutex sync.Mutex
structCodecs = make(map[reflect.Type]*structCodec)
)
// getStructCodec returns the structCodec for the given struct type.
func getStructCodec(t reflect.Type) (*structCodec, error) {
structCodecsMutex.Lock()
defer structCodecsMutex.Unlock()
return getStructCodecLocked(t)
}
// getStructCodecLocked implements getStructCodec. The structCodecsMutex must
// be held when calling this function.
func getStructCodecLocked(t reflect.Type) (ret *structCodec, retErr error) {
c, ok := structCodecs[t]
if ok {
return c, nil
}
c = &structCodec{
fields: make(map[string]fieldCodec),
// We initialize keyField to -1 so that the zero-value is not
// misinterpreted as index 0.
keyField: -1,
}
// Add c to the structCodecs map before we are sure it is good. If t is
// a recursive type, it needs to find the incomplete entry for itself in
// the map.
structCodecs[t] = c
defer func() {
if retErr != nil {
delete(structCodecs, t)
}
}()
for i := 0; i < t.NumField(); i++ {
f := t.Field(i)
// Skip unexported fields.
// Note that if f is an anonymous, unexported struct field,
// we will promote its fields.
if f.PkgPath != "" && !f.Anonymous {
continue
}
tags := strings.Split(f.Tag.Get("datastore"), ",")
name := tags[0]
opts := make(map[string]bool)
for _, t := range tags[1:] {
opts[t] = true
}
switch {
case name == "":
if !f.Anonymous {
name = f.Name
}
case name == "-":
continue
case name == "__key__":
if f.Type != typeOfKeyPtr {
return nil, fmt.Errorf("datastore: __key__ field on struct %v is not a *datastore.Key", t)
}
c.keyField = i
case !validPropertyName(name):
return nil, fmt.Errorf("datastore: struct tag has invalid property name: %q", name)
}
substructType, fIsSlice := reflect.Type(nil), false
switch f.Type.Kind() {
case reflect.Struct:
substructType = f.Type
case reflect.Slice:
if f.Type.Elem().Kind() == reflect.Struct {
substructType = f.Type.Elem()
}
fIsSlice = f.Type != typeOfByteSlice
c.hasSlice = c.hasSlice || fIsSlice
}
var sub *structCodec
if substructType != nil && substructType != typeOfTime && substructType != typeOfGeoPoint {
var err error
sub, err = getStructCodecLocked(substructType)
if err != nil {
return nil, err
}
if !sub.complete {
return nil, fmt.Errorf("datastore: recursive struct: field %q", f.Name)
}
if fIsSlice && sub.hasSlice {
return nil, fmt.Errorf(
"datastore: flattening nested structs leads to a slice of slices: field %q", f.Name)
}
c.hasSlice = c.hasSlice || sub.hasSlice
// If f is an anonymous struct field, we promote the substruct's fields up to this level
// in the linked list of struct codecs.
if f.Anonymous {
for subname, subfield := range sub.fields {
if name != "" {
subname = name + "." + subname
}
if _, ok := c.fields[subname]; ok {
return nil, fmt.Errorf("datastore: struct tag has repeated property name: %q", subname)
}
c.fields[subname] = fieldCodec{
path: append([]int{i}, subfield.path...),
noIndex: subfield.noIndex || opts["noindex"],
omitEmpty: subfield.omitEmpty,
structCodec: subfield.structCodec,
}
}
continue
}
}
if _, ok := c.fields[name]; ok {
return nil, fmt.Errorf("datastore: struct tag has repeated property name: %q", name)
}
c.fields[name] = fieldCodec{
path: []int{i},
noIndex: opts["noindex"],
omitEmpty: opts["omitempty"],
structCodec: sub,
}
}
c.complete = true
return c, nil
}
// structPLS adapts a struct to be a PropertyLoadSaver.
type structPLS struct {
v reflect.Value
codec *structCodec
}
// newStructPLS returns a structPLS, which implements the
// PropertyLoadSaver interface, for the struct pointer p.
func newStructPLS(p interface{}) (*structPLS, error) {
v := reflect.ValueOf(p)
if v.Kind() != reflect.Ptr || v.Elem().Kind() != reflect.Struct {
return nil, ErrInvalidEntityType
}
v = v.Elem()
codec, err := getStructCodec(v.Type())
if err != nil {
return nil, err
}
return &structPLS{v, codec}, nil
}
// LoadStruct loads the properties from p to dst.
// dst must be a struct pointer.
func LoadStruct(dst interface{}, p []Property) error {
x, err := newStructPLS(dst)
if err != nil {
return err
}
return x.Load(p)
}
// SaveStruct returns the properties from src as a slice of Properties.
// src must be a struct pointer.
func SaveStruct(src interface{}) ([]Property, error) {
x, err := newStructPLS(src)
if err != nil {
return nil, err
}
return x.Save()
}

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vendor/google.golang.org/appengine/datastore/query.go generated vendored Normal file
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@ -0,0 +1,774 @@
// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"encoding/base64"
"errors"
"fmt"
"math"
"reflect"
"strings"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
pb "google.golang.org/appengine/internal/datastore"
)
type operator int
const (
lessThan operator = iota
lessEq
equal
greaterEq
greaterThan
)
var operatorToProto = map[operator]*pb.Query_Filter_Operator{
lessThan: pb.Query_Filter_LESS_THAN.Enum(),
lessEq: pb.Query_Filter_LESS_THAN_OR_EQUAL.Enum(),
equal: pb.Query_Filter_EQUAL.Enum(),
greaterEq: pb.Query_Filter_GREATER_THAN_OR_EQUAL.Enum(),
greaterThan: pb.Query_Filter_GREATER_THAN.Enum(),
}
// filter is a conditional filter on query results.
type filter struct {
FieldName string
Op operator
Value interface{}
}
type sortDirection int
const (
ascending sortDirection = iota
descending
)
var sortDirectionToProto = map[sortDirection]*pb.Query_Order_Direction{
ascending: pb.Query_Order_ASCENDING.Enum(),
descending: pb.Query_Order_DESCENDING.Enum(),
}
// order is a sort order on query results.
type order struct {
FieldName string
Direction sortDirection
}
// NewQuery creates a new Query for a specific entity kind.
//
// An empty kind means to return all entities, including entities created and
// managed by other App Engine features, and is called a kindless query.
// Kindless queries cannot include filters or sort orders on property values.
func NewQuery(kind string) *Query {
return &Query{
kind: kind,
limit: -1,
}
}
// Query represents a datastore query.
type Query struct {
kind string
ancestor *Key
filter []filter
order []order
projection []string
distinct bool
distinctOn []string
keysOnly bool
eventual bool
limit int32
offset int32
count int32
start *pb.CompiledCursor
end *pb.CompiledCursor
err error
}
func (q *Query) clone() *Query {
x := *q
// Copy the contents of the slice-typed fields to a new backing store.
if len(q.filter) > 0 {
x.filter = make([]filter, len(q.filter))
copy(x.filter, q.filter)
}
if len(q.order) > 0 {
x.order = make([]order, len(q.order))
copy(x.order, q.order)
}
return &x
}
// Ancestor returns a derivative query with an ancestor filter.
// The ancestor should not be nil.
func (q *Query) Ancestor(ancestor *Key) *Query {
q = q.clone()
if ancestor == nil {
q.err = errors.New("datastore: nil query ancestor")
return q
}
q.ancestor = ancestor
return q
}
// EventualConsistency returns a derivative query that returns eventually
// consistent results.
// It only has an effect on ancestor queries.
func (q *Query) EventualConsistency() *Query {
q = q.clone()
q.eventual = true
return q
}
// Filter returns a derivative query with a field-based filter.
// The filterStr argument must be a field name followed by optional space,
// followed by an operator, one of ">", "<", ">=", "<=", or "=".
// Fields are compared against the provided value using the operator.
// Multiple filters are AND'ed together.
func (q *Query) Filter(filterStr string, value interface{}) *Query {
q = q.clone()
filterStr = strings.TrimSpace(filterStr)
if len(filterStr) < 1 {
q.err = errors.New("datastore: invalid filter: " + filterStr)
return q
}
f := filter{
FieldName: strings.TrimRight(filterStr, " ><=!"),
Value: value,
}
switch op := strings.TrimSpace(filterStr[len(f.FieldName):]); op {
case "<=":
f.Op = lessEq
case ">=":
f.Op = greaterEq
case "<":
f.Op = lessThan
case ">":
f.Op = greaterThan
case "=":
f.Op = equal
default:
q.err = fmt.Errorf("datastore: invalid operator %q in filter %q", op, filterStr)
return q
}
q.filter = append(q.filter, f)
return q
}
// Order returns a derivative query with a field-based sort order. Orders are
// applied in the order they are added. The default order is ascending; to sort
// in descending order prefix the fieldName with a minus sign (-).
func (q *Query) Order(fieldName string) *Query {
q = q.clone()
fieldName = strings.TrimSpace(fieldName)
o := order{
Direction: ascending,
FieldName: fieldName,
}
if strings.HasPrefix(fieldName, "-") {
o.Direction = descending
o.FieldName = strings.TrimSpace(fieldName[1:])
} else if strings.HasPrefix(fieldName, "+") {
q.err = fmt.Errorf("datastore: invalid order: %q", fieldName)
return q
}
if len(o.FieldName) == 0 {
q.err = errors.New("datastore: empty order")
return q
}
q.order = append(q.order, o)
return q
}
// Project returns a derivative query that yields only the given fields. It
// cannot be used with KeysOnly.
func (q *Query) Project(fieldNames ...string) *Query {
q = q.clone()
q.projection = append([]string(nil), fieldNames...)
return q
}
// Distinct returns a derivative query that yields de-duplicated entities with
// respect to the set of projected fields. It is only used for projection
// queries. Distinct cannot be used with DistinctOn.
func (q *Query) Distinct() *Query {
q = q.clone()
q.distinct = true
return q
}
// DistinctOn returns a derivative query that yields de-duplicated entities with
// respect to the set of the specified fields. It is only used for projection
// queries. The field list should be a subset of the projected field list.
// DistinctOn cannot be used with Distinct.
func (q *Query) DistinctOn(fieldNames ...string) *Query {
q = q.clone()
q.distinctOn = fieldNames
return q
}
// KeysOnly returns a derivative query that yields only keys, not keys and
// entities. It cannot be used with projection queries.
func (q *Query) KeysOnly() *Query {
q = q.clone()
q.keysOnly = true
return q
}
// Limit returns a derivative query that has a limit on the number of results
// returned. A negative value means unlimited.
func (q *Query) Limit(limit int) *Query {
q = q.clone()
if limit < math.MinInt32 || limit > math.MaxInt32 {
q.err = errors.New("datastore: query limit overflow")
return q
}
q.limit = int32(limit)
return q
}
// Offset returns a derivative query that has an offset of how many keys to
// skip over before returning results. A negative value is invalid.
func (q *Query) Offset(offset int) *Query {
q = q.clone()
if offset < 0 {
q.err = errors.New("datastore: negative query offset")
return q
}
if offset > math.MaxInt32 {
q.err = errors.New("datastore: query offset overflow")
return q
}
q.offset = int32(offset)
return q
}
// BatchSize returns a derivative query to fetch the supplied number of results
// at once. This value should be greater than zero, and equal to or less than
// the Limit.
func (q *Query) BatchSize(size int) *Query {
q = q.clone()
if size <= 0 || size > math.MaxInt32 {
q.err = errors.New("datastore: query batch size overflow")
return q
}
q.count = int32(size)
return q
}
// Start returns a derivative query with the given start point.
func (q *Query) Start(c Cursor) *Query {
q = q.clone()
if c.cc == nil {
q.err = errors.New("datastore: invalid cursor")
return q
}
q.start = c.cc
return q
}
// End returns a derivative query with the given end point.
func (q *Query) End(c Cursor) *Query {
q = q.clone()
if c.cc == nil {
q.err = errors.New("datastore: invalid cursor")
return q
}
q.end = c.cc
return q
}
// toProto converts the query to a protocol buffer.
func (q *Query) toProto(dst *pb.Query, appID string) error {
if len(q.projection) != 0 && q.keysOnly {
return errors.New("datastore: query cannot both project and be keys-only")
}
if len(q.distinctOn) != 0 && q.distinct {
return errors.New("datastore: query cannot be both distinct and distinct-on")
}
dst.Reset()
dst.App = proto.String(appID)
if q.kind != "" {
dst.Kind = proto.String(q.kind)
}
if q.ancestor != nil {
dst.Ancestor = keyToProto(appID, q.ancestor)
if q.eventual {
dst.Strong = proto.Bool(false)
}
}
if q.projection != nil {
dst.PropertyName = q.projection
if len(q.distinctOn) != 0 {
dst.GroupByPropertyName = q.distinctOn
}
if q.distinct {
dst.GroupByPropertyName = q.projection
}
}
if q.keysOnly {
dst.KeysOnly = proto.Bool(true)
dst.RequirePerfectPlan = proto.Bool(true)
}
for _, qf := range q.filter {
if qf.FieldName == "" {
return errors.New("datastore: empty query filter field name")
}
p, errStr := valueToProto(appID, qf.FieldName, reflect.ValueOf(qf.Value), false)
if errStr != "" {
return errors.New("datastore: bad query filter value type: " + errStr)
}
xf := &pb.Query_Filter{
Op: operatorToProto[qf.Op],
Property: []*pb.Property{p},
}
if xf.Op == nil {
return errors.New("datastore: unknown query filter operator")
}
dst.Filter = append(dst.Filter, xf)
}
for _, qo := range q.order {
if qo.FieldName == "" {
return errors.New("datastore: empty query order field name")
}
xo := &pb.Query_Order{
Property: proto.String(qo.FieldName),
Direction: sortDirectionToProto[qo.Direction],
}
if xo.Direction == nil {
return errors.New("datastore: unknown query order direction")
}
dst.Order = append(dst.Order, xo)
}
if q.limit >= 0 {
dst.Limit = proto.Int32(q.limit)
}
if q.offset != 0 {
dst.Offset = proto.Int32(q.offset)
}
if q.count != 0 {
dst.Count = proto.Int32(q.count)
}
dst.CompiledCursor = q.start
dst.EndCompiledCursor = q.end
dst.Compile = proto.Bool(true)
return nil
}
// Count returns the number of results for the query.
//
// The running time and number of API calls made by Count scale linearly with
// the sum of the query's offset and limit. Unless the result count is
// expected to be small, it is best to specify a limit; otherwise Count will
// continue until it finishes counting or the provided context expires.
func (q *Query) Count(c context.Context) (int, error) {
// Check that the query is well-formed.
if q.err != nil {
return 0, q.err
}
// Run a copy of the query, with keysOnly true (if we're not a projection,
// since the two are incompatible), and an adjusted offset. We also set the
// limit to zero, as we don't want any actual entity data, just the number
// of skipped results.
newQ := q.clone()
newQ.keysOnly = len(newQ.projection) == 0
newQ.limit = 0
if q.limit < 0 {
// If the original query was unlimited, set the new query's offset to maximum.
newQ.offset = math.MaxInt32
} else {
newQ.offset = q.offset + q.limit
if newQ.offset < 0 {
// Do the best we can, in the presence of overflow.
newQ.offset = math.MaxInt32
}
}
req := &pb.Query{}
if err := newQ.toProto(req, internal.FullyQualifiedAppID(c)); err != nil {
return 0, err
}
res := &pb.QueryResult{}
if err := internal.Call(c, "datastore_v3", "RunQuery", req, res); err != nil {
return 0, err
}
// n is the count we will return. For example, suppose that our original
// query had an offset of 4 and a limit of 2008: the count will be 2008,
// provided that there are at least 2012 matching entities. However, the
// RPCs will only skip 1000 results at a time. The RPC sequence is:
// call RunQuery with (offset, limit) = (2012, 0) // 2012 == newQ.offset
// response has (skippedResults, moreResults) = (1000, true)
// n += 1000 // n == 1000
// call Next with (offset, limit) = (1012, 0) // 1012 == newQ.offset - n
// response has (skippedResults, moreResults) = (1000, true)
// n += 1000 // n == 2000
// call Next with (offset, limit) = (12, 0) // 12 == newQ.offset - n
// response has (skippedResults, moreResults) = (12, false)
// n += 12 // n == 2012
// // exit the loop
// n -= 4 // n == 2008
var n int32
for {
// The QueryResult should have no actual entity data, just skipped results.
if len(res.Result) != 0 {
return 0, errors.New("datastore: internal error: Count request returned too much data")
}
n += res.GetSkippedResults()
if !res.GetMoreResults() {
break
}
if err := callNext(c, res, newQ.offset-n, q.count); err != nil {
return 0, err
}
}
n -= q.offset
if n < 0 {
// If the offset was greater than the number of matching entities,
// return 0 instead of negative.
n = 0
}
return int(n), nil
}
// callNext issues a datastore_v3/Next RPC to advance a cursor, such as that
// returned by a query with more results.
func callNext(c context.Context, res *pb.QueryResult, offset, count int32) error {
if res.Cursor == nil {
return errors.New("datastore: internal error: server did not return a cursor")
}
req := &pb.NextRequest{
Cursor: res.Cursor,
}
if count >= 0 {
req.Count = proto.Int32(count)
}
if offset != 0 {
req.Offset = proto.Int32(offset)
}
if res.CompiledCursor != nil {
req.Compile = proto.Bool(true)
}
res.Reset()
return internal.Call(c, "datastore_v3", "Next", req, res)
}
// GetAll runs the query in the given context and returns all keys that match
// that query, as well as appending the values to dst.
//
// dst must have type *[]S or *[]*S or *[]P, for some struct type S or some non-
// interface, non-pointer type P such that P or *P implements PropertyLoadSaver.
//
// As a special case, *PropertyList is an invalid type for dst, even though a
// PropertyList is a slice of structs. It is treated as invalid to avoid being
// mistakenly passed when *[]PropertyList was intended.
//
// The keys returned by GetAll will be in a 1-1 correspondence with the entities
// added to dst.
//
// If q is a ``keys-only'' query, GetAll ignores dst and only returns the keys.
//
// The running time and number of API calls made by GetAll scale linearly with
// the sum of the query's offset and limit. Unless the result count is
// expected to be small, it is best to specify a limit; otherwise GetAll will
// continue until it finishes collecting results or the provided context
// expires.
func (q *Query) GetAll(c context.Context, dst interface{}) ([]*Key, error) {
var (
dv reflect.Value
mat multiArgType
elemType reflect.Type
errFieldMismatch error
)
if !q.keysOnly {
dv = reflect.ValueOf(dst)
if dv.Kind() != reflect.Ptr || dv.IsNil() {
return nil, ErrInvalidEntityType
}
dv = dv.Elem()
mat, elemType = checkMultiArg(dv)
if mat == multiArgTypeInvalid || mat == multiArgTypeInterface {
return nil, ErrInvalidEntityType
}
}
var keys []*Key
for t := q.Run(c); ; {
k, e, err := t.next()
if err == Done {
break
}
if err != nil {
return keys, err
}
if !q.keysOnly {
ev := reflect.New(elemType)
if elemType.Kind() == reflect.Map {
// This is a special case. The zero values of a map type are
// not immediately useful; they have to be make'd.
//
// Funcs and channels are similar, in that a zero value is not useful,
// but even a freshly make'd channel isn't useful: there's no fixed
// channel buffer size that is always going to be large enough, and
// there's no goroutine to drain the other end. Theoretically, these
// types could be supported, for example by sniffing for a constructor
// method or requiring prior registration, but for now it's not a
// frequent enough concern to be worth it. Programmers can work around
// it by explicitly using Iterator.Next instead of the Query.GetAll
// convenience method.
x := reflect.MakeMap(elemType)
ev.Elem().Set(x)
}
if err = loadEntity(ev.Interface(), e); err != nil {
if _, ok := err.(*ErrFieldMismatch); ok {
// We continue loading entities even in the face of field mismatch errors.
// If we encounter any other error, that other error is returned. Otherwise,
// an ErrFieldMismatch is returned.
errFieldMismatch = err
} else {
return keys, err
}
}
if mat != multiArgTypeStructPtr {
ev = ev.Elem()
}
dv.Set(reflect.Append(dv, ev))
}
keys = append(keys, k)
}
return keys, errFieldMismatch
}
// Run runs the query in the given context.
func (q *Query) Run(c context.Context) *Iterator {
if q.err != nil {
return &Iterator{err: q.err}
}
t := &Iterator{
c: c,
limit: q.limit,
count: q.count,
q: q,
prevCC: q.start,
}
var req pb.Query
if err := q.toProto(&req, internal.FullyQualifiedAppID(c)); err != nil {
t.err = err
return t
}
if err := internal.Call(c, "datastore_v3", "RunQuery", &req, &t.res); err != nil {
t.err = err
return t
}
offset := q.offset - t.res.GetSkippedResults()
var count int32
if t.count > 0 && (t.limit < 0 || t.count < t.limit) {
count = t.count
} else {
count = t.limit
}
for offset > 0 && t.res.GetMoreResults() {
t.prevCC = t.res.CompiledCursor
if err := callNext(t.c, &t.res, offset, count); err != nil {
t.err = err
break
}
skip := t.res.GetSkippedResults()
if skip < 0 {
t.err = errors.New("datastore: internal error: negative number of skipped_results")
break
}
offset -= skip
}
if offset < 0 {
t.err = errors.New("datastore: internal error: query offset was overshot")
}
return t
}
// Iterator is the result of running a query.
type Iterator struct {
c context.Context
err error
// res is the result of the most recent RunQuery or Next API call.
res pb.QueryResult
// i is how many elements of res.Result we have iterated over.
i int
// limit is the limit on the number of results this iterator should return.
// A negative value means unlimited.
limit int32
// count is the number of results this iterator should fetch at once. This
// should be equal to or greater than zero.
count int32
// q is the original query which yielded this iterator.
q *Query
// prevCC is the compiled cursor that marks the end of the previous batch
// of results.
prevCC *pb.CompiledCursor
}
// Done is returned when a query iteration has completed.
var Done = errors.New("datastore: query has no more results")
// Next returns the key of the next result. When there are no more results,
// Done is returned as the error.
//
// If the query is not keys only and dst is non-nil, it also loads the entity
// stored for that key into the struct pointer or PropertyLoadSaver dst, with
// the same semantics and possible errors as for the Get function.
func (t *Iterator) Next(dst interface{}) (*Key, error) {
k, e, err := t.next()
if err != nil {
return nil, err
}
if dst != nil && !t.q.keysOnly {
err = loadEntity(dst, e)
}
return k, err
}
func (t *Iterator) next() (*Key, *pb.EntityProto, error) {
if t.err != nil {
return nil, nil, t.err
}
// Issue datastore_v3/Next RPCs as necessary.
for t.i == len(t.res.Result) {
if !t.res.GetMoreResults() {
t.err = Done
return nil, nil, t.err
}
t.prevCC = t.res.CompiledCursor
var count int32
if t.count > 0 && (t.limit < 0 || t.count < t.limit) {
count = t.count
} else {
count = t.limit
}
if err := callNext(t.c, &t.res, 0, count); err != nil {
t.err = err
return nil, nil, t.err
}
if t.res.GetSkippedResults() != 0 {
t.err = errors.New("datastore: internal error: iterator has skipped results")
return nil, nil, t.err
}
t.i = 0
if t.limit >= 0 {
t.limit -= int32(len(t.res.Result))
if t.limit < 0 {
t.err = errors.New("datastore: internal error: query returned more results than the limit")
return nil, nil, t.err
}
}
}
// Extract the key from the t.i'th element of t.res.Result.
e := t.res.Result[t.i]
t.i++
if e.Key == nil {
return nil, nil, errors.New("datastore: internal error: server did not return a key")
}
k, err := protoToKey(e.Key)
if err != nil || k.Incomplete() {
return nil, nil, errors.New("datastore: internal error: server returned an invalid key")
}
return k, e, nil
}
// Cursor returns a cursor for the iterator's current location.
func (t *Iterator) Cursor() (Cursor, error) {
if t.err != nil && t.err != Done {
return Cursor{}, t.err
}
// If we are at either end of the current batch of results,
// return the compiled cursor at that end.
skipped := t.res.GetSkippedResults()
if t.i == 0 && skipped == 0 {
if t.prevCC == nil {
// A nil pointer (of type *pb.CompiledCursor) means no constraint:
// passing it as the end cursor of a new query means unlimited results
// (glossing over the integer limit parameter for now).
// A non-nil pointer to an empty pb.CompiledCursor means the start:
// passing it as the end cursor of a new query means 0 results.
// If prevCC was nil, then the original query had no start cursor, but
// Iterator.Cursor should return "the start" instead of unlimited.
return Cursor{&zeroCC}, nil
}
return Cursor{t.prevCC}, nil
}
if t.i == len(t.res.Result) {
return Cursor{t.res.CompiledCursor}, nil
}
// Otherwise, re-run the query offset to this iterator's position, starting from
// the most recent compiled cursor. This is done on a best-effort basis, as it
// is racy; if a concurrent process has added or removed entities, then the
// cursor returned may be inconsistent.
q := t.q.clone()
q.start = t.prevCC
q.offset = skipped + int32(t.i)
q.limit = 0
q.keysOnly = len(q.projection) == 0
t1 := q.Run(t.c)
_, _, err := t1.next()
if err != Done {
if err == nil {
err = fmt.Errorf("datastore: internal error: zero-limit query did not have zero results")
}
return Cursor{}, err
}
return Cursor{t1.res.CompiledCursor}, nil
}
var zeroCC pb.CompiledCursor
// Cursor is an iterator's position. It can be converted to and from an opaque
// string. A cursor can be used from different HTTP requests, but only with a
// query with the same kind, ancestor, filter and order constraints.
type Cursor struct {
cc *pb.CompiledCursor
}
// String returns a base-64 string representation of a cursor.
func (c Cursor) String() string {
if c.cc == nil {
return ""
}
b, err := proto.Marshal(c.cc)
if err != nil {
// The only way to construct a Cursor with a non-nil cc field is to
// unmarshal from the byte representation. We panic if the unmarshal
// succeeds but the marshaling of the unchanged protobuf value fails.
panic(fmt.Sprintf("datastore: internal error: malformed cursor: %v", err))
}
return strings.TrimRight(base64.URLEncoding.EncodeToString(b), "=")
}
// Decode decodes a cursor from its base-64 string representation.
func DecodeCursor(s string) (Cursor, error) {
if s == "" {
return Cursor{&zeroCC}, nil
}
if n := len(s) % 4; n != 0 {
s += strings.Repeat("=", 4-n)
}
b, err := base64.URLEncoding.DecodeString(s)
if err != nil {
return Cursor{}, err
}
cc := &pb.CompiledCursor{}
if err := proto.Unmarshal(b, cc); err != nil {
return Cursor{}, err
}
return Cursor{cc}, nil
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"errors"
"fmt"
"math"
"reflect"
"time"
"github.com/golang/protobuf/proto"
"google.golang.org/appengine"
pb "google.golang.org/appengine/internal/datastore"
)
func toUnixMicro(t time.Time) int64 {
// We cannot use t.UnixNano() / 1e3 because we want to handle times more than
// 2^63 nanoseconds (which is about 292 years) away from 1970, and those cannot
// be represented in the numerator of a single int64 divide.
return t.Unix()*1e6 + int64(t.Nanosecond()/1e3)
}
func fromUnixMicro(t int64) time.Time {
return time.Unix(t/1e6, (t%1e6)*1e3).UTC()
}
var (
minTime = time.Unix(int64(math.MinInt64)/1e6, (int64(math.MinInt64)%1e6)*1e3)
maxTime = time.Unix(int64(math.MaxInt64)/1e6, (int64(math.MaxInt64)%1e6)*1e3)
)
// valueToProto converts a named value to a newly allocated Property.
// The returned error string is empty on success.
func valueToProto(defaultAppID, name string, v reflect.Value, multiple bool) (p *pb.Property, errStr string) {
var (
pv pb.PropertyValue
unsupported bool
)
switch v.Kind() {
case reflect.Invalid:
// No-op.
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
pv.Int64Value = proto.Int64(v.Int())
case reflect.Bool:
pv.BooleanValue = proto.Bool(v.Bool())
case reflect.String:
pv.StringValue = proto.String(v.String())
case reflect.Float32, reflect.Float64:
pv.DoubleValue = proto.Float64(v.Float())
case reflect.Ptr:
if k, ok := v.Interface().(*Key); ok {
if k != nil {
pv.Referencevalue = keyToReferenceValue(defaultAppID, k)
}
} else {
unsupported = true
}
case reflect.Struct:
switch t := v.Interface().(type) {
case time.Time:
if t.Before(minTime) || t.After(maxTime) {
return nil, "time value out of range"
}
pv.Int64Value = proto.Int64(toUnixMicro(t))
case appengine.GeoPoint:
if !t.Valid() {
return nil, "invalid GeoPoint value"
}
// NOTE: Strangely, latitude maps to X, longitude to Y.
pv.Pointvalue = &pb.PropertyValue_PointValue{X: &t.Lat, Y: &t.Lng}
default:
unsupported = true
}
case reflect.Slice:
if b, ok := v.Interface().([]byte); ok {
pv.StringValue = proto.String(string(b))
} else {
// nvToProto should already catch slice values.
// If we get here, we have a slice of slice values.
unsupported = true
}
default:
unsupported = true
}
if unsupported {
return nil, "unsupported datastore value type: " + v.Type().String()
}
p = &pb.Property{
Name: proto.String(name),
Value: &pv,
Multiple: proto.Bool(multiple),
}
if v.IsValid() {
switch v.Interface().(type) {
case []byte:
p.Meaning = pb.Property_BLOB.Enum()
case ByteString:
p.Meaning = pb.Property_BYTESTRING.Enum()
case appengine.BlobKey:
p.Meaning = pb.Property_BLOBKEY.Enum()
case time.Time:
p.Meaning = pb.Property_GD_WHEN.Enum()
case appengine.GeoPoint:
p.Meaning = pb.Property_GEORSS_POINT.Enum()
}
}
return p, ""
}
type saveOpts struct {
noIndex bool
multiple bool
omitEmpty bool
}
// saveEntity saves an EntityProto into a PropertyLoadSaver or struct pointer.
func saveEntity(defaultAppID string, key *Key, src interface{}) (*pb.EntityProto, error) {
var err error
var props []Property
if e, ok := src.(PropertyLoadSaver); ok {
props, err = e.Save()
} else {
props, err = SaveStruct(src)
}
if err != nil {
return nil, err
}
return propertiesToProto(defaultAppID, key, props)
}
func saveStructProperty(props *[]Property, name string, opts saveOpts, v reflect.Value) error {
if opts.omitEmpty && isEmptyValue(v) {
return nil
}
p := Property{
Name: name,
NoIndex: opts.noIndex,
Multiple: opts.multiple,
}
switch x := v.Interface().(type) {
case *Key:
p.Value = x
case time.Time:
p.Value = x
case appengine.BlobKey:
p.Value = x
case appengine.GeoPoint:
p.Value = x
case ByteString:
p.Value = x
default:
switch v.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
p.Value = v.Int()
case reflect.Bool:
p.Value = v.Bool()
case reflect.String:
p.Value = v.String()
case reflect.Float32, reflect.Float64:
p.Value = v.Float()
case reflect.Slice:
if v.Type().Elem().Kind() == reflect.Uint8 {
p.NoIndex = true
p.Value = v.Bytes()
}
case reflect.Struct:
if !v.CanAddr() {
return fmt.Errorf("datastore: unsupported struct field: value is unaddressable")
}
sub, err := newStructPLS(v.Addr().Interface())
if err != nil {
return fmt.Errorf("datastore: unsupported struct field: %v", err)
}
return sub.save(props, name+".", opts)
}
}
if p.Value == nil {
return fmt.Errorf("datastore: unsupported struct field type: %v", v.Type())
}
*props = append(*props, p)
return nil
}
func (s structPLS) Save() ([]Property, error) {
var props []Property
if err := s.save(&props, "", saveOpts{}); err != nil {
return nil, err
}
return props, nil
}
func (s structPLS) save(props *[]Property, prefix string, opts saveOpts) error {
for name, f := range s.codec.fields {
name = prefix + name
v := s.v.FieldByIndex(f.path)
if !v.IsValid() || !v.CanSet() {
continue
}
var opts1 saveOpts
opts1.noIndex = opts.noIndex || f.noIndex
opts1.multiple = opts.multiple
opts1.omitEmpty = f.omitEmpty // don't propagate
// For slice fields that aren't []byte, save each element.
if v.Kind() == reflect.Slice && v.Type().Elem().Kind() != reflect.Uint8 {
opts1.multiple = true
for j := 0; j < v.Len(); j++ {
if err := saveStructProperty(props, name, opts1, v.Index(j)); err != nil {
return err
}
}
continue
}
// Otherwise, save the field itself.
if err := saveStructProperty(props, name, opts1, v); err != nil {
return err
}
}
return nil
}
func propertiesToProto(defaultAppID string, key *Key, props []Property) (*pb.EntityProto, error) {
e := &pb.EntityProto{
Key: keyToProto(defaultAppID, key),
}
if key.parent == nil {
e.EntityGroup = &pb.Path{}
} else {
e.EntityGroup = keyToProto(defaultAppID, key.root()).Path
}
prevMultiple := make(map[string]bool)
for _, p := range props {
if pm, ok := prevMultiple[p.Name]; ok {
if !pm || !p.Multiple {
return nil, fmt.Errorf("datastore: multiple Properties with Name %q, but Multiple is false", p.Name)
}
} else {
prevMultiple[p.Name] = p.Multiple
}
x := &pb.Property{
Name: proto.String(p.Name),
Value: new(pb.PropertyValue),
Multiple: proto.Bool(p.Multiple),
}
switch v := p.Value.(type) {
case int64:
x.Value.Int64Value = proto.Int64(v)
case bool:
x.Value.BooleanValue = proto.Bool(v)
case string:
x.Value.StringValue = proto.String(v)
if p.NoIndex {
x.Meaning = pb.Property_TEXT.Enum()
}
case float64:
x.Value.DoubleValue = proto.Float64(v)
case *Key:
if v != nil {
x.Value.Referencevalue = keyToReferenceValue(defaultAppID, v)
}
case time.Time:
if v.Before(minTime) || v.After(maxTime) {
return nil, fmt.Errorf("datastore: time value out of range")
}
x.Value.Int64Value = proto.Int64(toUnixMicro(v))
x.Meaning = pb.Property_GD_WHEN.Enum()
case appengine.BlobKey:
x.Value.StringValue = proto.String(string(v))
x.Meaning = pb.Property_BLOBKEY.Enum()
case appengine.GeoPoint:
if !v.Valid() {
return nil, fmt.Errorf("datastore: invalid GeoPoint value")
}
// NOTE: Strangely, latitude maps to X, longitude to Y.
x.Value.Pointvalue = &pb.PropertyValue_PointValue{X: &v.Lat, Y: &v.Lng}
x.Meaning = pb.Property_GEORSS_POINT.Enum()
case []byte:
x.Value.StringValue = proto.String(string(v))
x.Meaning = pb.Property_BLOB.Enum()
if !p.NoIndex {
return nil, fmt.Errorf("datastore: cannot index a []byte valued Property with Name %q", p.Name)
}
case ByteString:
x.Value.StringValue = proto.String(string(v))
x.Meaning = pb.Property_BYTESTRING.Enum()
default:
if p.Value != nil {
return nil, fmt.Errorf("datastore: invalid Value type for a Property with Name %q", p.Name)
}
}
if p.NoIndex {
e.RawProperty = append(e.RawProperty, x)
} else {
e.Property = append(e.Property, x)
if len(e.Property) > maxIndexedProperties {
return nil, errors.New("datastore: too many indexed properties")
}
}
}
return e, nil
}
// isEmptyValue is taken from the encoding/json package in the standard library.
func isEmptyValue(v reflect.Value) bool {
switch v.Kind() {
case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
// TODO(perfomance): Only reflect.String needed, other property types are not supported (copy/paste from json package)
return v.Len() == 0
case reflect.Bool:
return !v.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
// TODO(perfomance): Uint* are unsupported property types - should be removed (copy/paste from json package)
return v.Uint() == 0
case reflect.Float32, reflect.Float64:
return v.Float() == 0
case reflect.Interface, reflect.Ptr:
return v.IsNil()
case reflect.Struct:
switch x := v.Interface().(type) {
case time.Time:
return x.IsZero()
}
}
return false
}

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vendor/google.golang.org/appengine/datastore/transaction.go generated vendored Normal file
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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package datastore
import (
"errors"
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
pb "google.golang.org/appengine/internal/datastore"
)
func init() {
internal.RegisterTransactionSetter(func(x *pb.Query, t *pb.Transaction) {
x.Transaction = t
})
internal.RegisterTransactionSetter(func(x *pb.GetRequest, t *pb.Transaction) {
x.Transaction = t
})
internal.RegisterTransactionSetter(func(x *pb.PutRequest, t *pb.Transaction) {
x.Transaction = t
})
internal.RegisterTransactionSetter(func(x *pb.DeleteRequest, t *pb.Transaction) {
x.Transaction = t
})
}
// ErrConcurrentTransaction is returned when a transaction is rolled back due
// to a conflict with a concurrent transaction.
var ErrConcurrentTransaction = errors.New("datastore: concurrent transaction")
// RunInTransaction runs f in a transaction. It calls f with a transaction
// context tc that f should use for all App Engine operations.
//
// If f returns nil, RunInTransaction attempts to commit the transaction,
// returning nil if it succeeds. If the commit fails due to a conflicting
// transaction, RunInTransaction retries f, each time with a new transaction
// context. It gives up and returns ErrConcurrentTransaction after three
// failed attempts. The number of attempts can be configured by specifying
// TransactionOptions.Attempts.
//
// If f returns non-nil, then any datastore changes will not be applied and
// RunInTransaction returns that same error. The function f is not retried.
//
// Note that when f returns, the transaction is not yet committed. Calling code
// must be careful not to assume that any of f's changes have been committed
// until RunInTransaction returns nil.
//
// Since f may be called multiple times, f should usually be idempotent.
// datastore.Get is not idempotent when unmarshaling slice fields.
//
// Nested transactions are not supported; c may not be a transaction context.
func RunInTransaction(c context.Context, f func(tc context.Context) error, opts *TransactionOptions) error {
xg := false
if opts != nil {
xg = opts.XG
}
readOnly := false
if opts != nil {
readOnly = opts.ReadOnly
}
attempts := 3
if opts != nil && opts.Attempts > 0 {
attempts = opts.Attempts
}
var t *pb.Transaction
var err error
for i := 0; i < attempts; i++ {
if t, err = internal.RunTransactionOnce(c, f, xg, readOnly, t); err != internal.ErrConcurrentTransaction {
return err
}
}
return ErrConcurrentTransaction
}
// TransactionOptions are the options for running a transaction.
type TransactionOptions struct {
// XG is whether the transaction can cross multiple entity groups. In
// comparison, a single group transaction is one where all datastore keys
// used have the same root key. Note that cross group transactions do not
// have the same behavior as single group transactions. In particular, it
// is much more likely to see partially applied transactions in different
// entity groups, in global queries.
// It is valid to set XG to true even if the transaction is within a
// single entity group.
XG bool
// Attempts controls the number of retries to perform when commits fail
// due to a conflicting transaction. If omitted, it defaults to 3.
Attempts int
// ReadOnly controls whether the transaction is a read only transaction.
// Read only transactions are potentially more efficient.
ReadOnly bool
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// This file provides error functions for common API failure modes.
package appengine
import (
"fmt"
"google.golang.org/appengine/internal"
)
// IsOverQuota reports whether err represents an API call failure
// due to insufficient available quota.
func IsOverQuota(err error) bool {
callErr, ok := err.(*internal.CallError)
return ok && callErr.Code == 4
}
// MultiError is returned by batch operations when there are errors with
// particular elements. Errors will be in a one-to-one correspondence with
// the input elements; successful elements will have a nil entry.
type MultiError []error
func (m MultiError) Error() string {
s, n := "", 0
for _, e := range m {
if e != nil {
if n == 0 {
s = e.Error()
}
n++
}
}
switch n {
case 0:
return "(0 errors)"
case 1:
return s
case 2:
return s + " (and 1 other error)"
}
return fmt.Sprintf("%s (and %d other errors)", s, n-1)
}

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vendor/google.golang.org/appengine/identity.go generated vendored Normal file
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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package appengine
import (
"time"
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
pb "google.golang.org/appengine/internal/app_identity"
modpb "google.golang.org/appengine/internal/modules"
)
// AppID returns the application ID for the current application.
// The string will be a plain application ID (e.g. "appid"), with a
// domain prefix for custom domain deployments (e.g. "example.com:appid").
func AppID(c context.Context) string { return internal.AppID(c) }
// DefaultVersionHostname returns the standard hostname of the default version
// of the current application (e.g. "my-app.appspot.com"). This is suitable for
// use in constructing URLs.
func DefaultVersionHostname(c context.Context) string {
return internal.DefaultVersionHostname(c)
}
// ModuleName returns the module name of the current instance.
func ModuleName(c context.Context) string {
return internal.ModuleName(c)
}
// ModuleHostname returns a hostname of a module instance.
// If module is the empty string, it refers to the module of the current instance.
// If version is empty, it refers to the version of the current instance if valid,
// or the default version of the module of the current instance.
// If instance is empty, ModuleHostname returns the load-balancing hostname.
func ModuleHostname(c context.Context, module, version, instance string) (string, error) {
req := &modpb.GetHostnameRequest{}
if module != "" {
req.Module = &module
}
if version != "" {
req.Version = &version
}
if instance != "" {
req.Instance = &instance
}
res := &modpb.GetHostnameResponse{}
if err := internal.Call(c, "modules", "GetHostname", req, res); err != nil {
return "", err
}
return *res.Hostname, nil
}
// VersionID returns the version ID for the current application.
// It will be of the form "X.Y", where X is specified in app.yaml,
// and Y is a number generated when each version of the app is uploaded.
// It does not include a module name.
func VersionID(c context.Context) string { return internal.VersionID(c) }
// InstanceID returns a mostly-unique identifier for this instance.
func InstanceID() string { return internal.InstanceID() }
// Datacenter returns an identifier for the datacenter that the instance is running in.
func Datacenter(c context.Context) string { return internal.Datacenter(c) }
// ServerSoftware returns the App Engine release version.
// In production, it looks like "Google App Engine/X.Y.Z".
// In the development appserver, it looks like "Development/X.Y".
func ServerSoftware() string { return internal.ServerSoftware() }
// RequestID returns a string that uniquely identifies the request.
func RequestID(c context.Context) string { return internal.RequestID(c) }
// AccessToken generates an OAuth2 access token for the specified scopes on
// behalf of service account of this application. This token will expire after
// the returned time.
func AccessToken(c context.Context, scopes ...string) (token string, expiry time.Time, err error) {
req := &pb.GetAccessTokenRequest{Scope: scopes}
res := &pb.GetAccessTokenResponse{}
err = internal.Call(c, "app_identity_service", "GetAccessToken", req, res)
if err != nil {
return "", time.Time{}, err
}
return res.GetAccessToken(), time.Unix(res.GetExpirationTime(), 0), nil
}
// Certificate represents a public certificate for the app.
type Certificate struct {
KeyName string
Data []byte // PEM-encoded X.509 certificate
}
// PublicCertificates retrieves the public certificates for the app.
// They can be used to verify a signature returned by SignBytes.
func PublicCertificates(c context.Context) ([]Certificate, error) {
req := &pb.GetPublicCertificateForAppRequest{}
res := &pb.GetPublicCertificateForAppResponse{}
if err := internal.Call(c, "app_identity_service", "GetPublicCertificatesForApp", req, res); err != nil {
return nil, err
}
var cs []Certificate
for _, pc := range res.PublicCertificateList {
cs = append(cs, Certificate{
KeyName: pc.GetKeyName(),
Data: []byte(pc.GetX509CertificatePem()),
})
}
return cs, nil
}
// ServiceAccount returns a string representing the service account name, in
// the form of an email address (typically app_id@appspot.gserviceaccount.com).
func ServiceAccount(c context.Context) (string, error) {
req := &pb.GetServiceAccountNameRequest{}
res := &pb.GetServiceAccountNameResponse{}
err := internal.Call(c, "app_identity_service", "GetServiceAccountName", req, res)
if err != nil {
return "", err
}
return res.GetServiceAccountName(), err
}
// SignBytes signs bytes using a private key unique to your application.
func SignBytes(c context.Context, bytes []byte) (keyName string, signature []byte, err error) {
req := &pb.SignForAppRequest{BytesToSign: bytes}
res := &pb.SignForAppResponse{}
if err := internal.Call(c, "app_identity_service", "SignForApp", req, res); err != nil {
return "", nil, err
}
return res.GetKeyName(), res.GetSignatureBytes(), nil
}
func init() {
internal.RegisterErrorCodeMap("app_identity_service", pb.AppIdentityServiceError_ErrorCode_name)
internal.RegisterErrorCodeMap("modules", modpb.ModulesServiceError_ErrorCode_name)
}

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vendor/google.golang.org/appengine/internal/api.go generated vendored Normal file
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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build !appengine
package internal
import (
"bytes"
"errors"
"fmt"
"io/ioutil"
"log"
"net"
"net/http"
"net/url"
"os"
"runtime"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/golang/protobuf/proto"
netcontext "golang.org/x/net/context"
basepb "google.golang.org/appengine/internal/base"
logpb "google.golang.org/appengine/internal/log"
remotepb "google.golang.org/appengine/internal/remote_api"
)
const (
apiPath = "/rpc_http"
defaultTicketSuffix = "/default.20150612t184001.0"
)
var (
// Incoming headers.
ticketHeader = http.CanonicalHeaderKey("X-AppEngine-API-Ticket")
dapperHeader = http.CanonicalHeaderKey("X-Google-DapperTraceInfo")
traceHeader = http.CanonicalHeaderKey("X-Cloud-Trace-Context")
curNamespaceHeader = http.CanonicalHeaderKey("X-AppEngine-Current-Namespace")
userIPHeader = http.CanonicalHeaderKey("X-AppEngine-User-IP")
remoteAddrHeader = http.CanonicalHeaderKey("X-AppEngine-Remote-Addr")
devRequestIdHeader = http.CanonicalHeaderKey("X-Appengine-Dev-Request-Id")
// Outgoing headers.
apiEndpointHeader = http.CanonicalHeaderKey("X-Google-RPC-Service-Endpoint")
apiEndpointHeaderValue = []string{"app-engine-apis"}
apiMethodHeader = http.CanonicalHeaderKey("X-Google-RPC-Service-Method")
apiMethodHeaderValue = []string{"/VMRemoteAPI.CallRemoteAPI"}
apiDeadlineHeader = http.CanonicalHeaderKey("X-Google-RPC-Service-Deadline")
apiContentType = http.CanonicalHeaderKey("Content-Type")
apiContentTypeValue = []string{"application/octet-stream"}
logFlushHeader = http.CanonicalHeaderKey("X-AppEngine-Log-Flush-Count")
apiHTTPClient = &http.Client{
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: limitDial,
},
}
defaultTicketOnce sync.Once
defaultTicket string
backgroundContextOnce sync.Once
backgroundContext netcontext.Context
)
func apiURL() *url.URL {
host, port := "appengine.googleapis.internal", "10001"
if h := os.Getenv("API_HOST"); h != "" {
host = h
}
if p := os.Getenv("API_PORT"); p != "" {
port = p
}
return &url.URL{
Scheme: "http",
Host: host + ":" + port,
Path: apiPath,
}
}
func handleHTTP(w http.ResponseWriter, r *http.Request) {
c := &context{
req: r,
outHeader: w.Header(),
apiURL: apiURL(),
}
r = r.WithContext(withContext(r.Context(), c))
c.req = r
stopFlushing := make(chan int)
// Patch up RemoteAddr so it looks reasonable.
if addr := r.Header.Get(userIPHeader); addr != "" {
r.RemoteAddr = addr
} else if addr = r.Header.Get(remoteAddrHeader); addr != "" {
r.RemoteAddr = addr
} else {
// Should not normally reach here, but pick a sensible default anyway.
r.RemoteAddr = "127.0.0.1"
}
// The address in the headers will most likely be of these forms:
// 123.123.123.123
// 2001:db8::1
// net/http.Request.RemoteAddr is specified to be in "IP:port" form.
if _, _, err := net.SplitHostPort(r.RemoteAddr); err != nil {
// Assume the remote address is only a host; add a default port.
r.RemoteAddr = net.JoinHostPort(r.RemoteAddr, "80")
}
// Start goroutine responsible for flushing app logs.
// This is done after adding c to ctx.m (and stopped before removing it)
// because flushing logs requires making an API call.
go c.logFlusher(stopFlushing)
executeRequestSafely(c, r)
c.outHeader = nil // make sure header changes aren't respected any more
stopFlushing <- 1 // any logging beyond this point will be dropped
// Flush any pending logs asynchronously.
c.pendingLogs.Lock()
flushes := c.pendingLogs.flushes
if len(c.pendingLogs.lines) > 0 {
flushes++
}
c.pendingLogs.Unlock()
flushed := make(chan struct{})
go func() {
defer close(flushed)
// Force a log flush, because with very short requests we
// may not ever flush logs.
c.flushLog(true)
}()
w.Header().Set(logFlushHeader, strconv.Itoa(flushes))
// Avoid nil Write call if c.Write is never called.
if c.outCode != 0 {
w.WriteHeader(c.outCode)
}
if c.outBody != nil {
w.Write(c.outBody)
}
// Wait for the last flush to complete before returning,
// otherwise the security ticket will not be valid.
<-flushed
}
func executeRequestSafely(c *context, r *http.Request) {
defer func() {
if x := recover(); x != nil {
logf(c, 4, "%s", renderPanic(x)) // 4 == critical
c.outCode = 500
}
}()
http.DefaultServeMux.ServeHTTP(c, r)
}
func renderPanic(x interface{}) string {
buf := make([]byte, 16<<10) // 16 KB should be plenty
buf = buf[:runtime.Stack(buf, false)]
// Remove the first few stack frames:
// this func
// the recover closure in the caller
// That will root the stack trace at the site of the panic.
const (
skipStart = "internal.renderPanic"
skipFrames = 2
)
start := bytes.Index(buf, []byte(skipStart))
p := start
for i := 0; i < skipFrames*2 && p+1 < len(buf); i++ {
p = bytes.IndexByte(buf[p+1:], '\n') + p + 1
if p < 0 {
break
}
}
if p >= 0 {
// buf[start:p+1] is the block to remove.
// Copy buf[p+1:] over buf[start:] and shrink buf.
copy(buf[start:], buf[p+1:])
buf = buf[:len(buf)-(p+1-start)]
}
// Add panic heading.
head := fmt.Sprintf("panic: %v\n\n", x)
if len(head) > len(buf) {
// Extremely unlikely to happen.
return head
}
copy(buf[len(head):], buf)
copy(buf, head)
return string(buf)
}
// context represents the context of an in-flight HTTP request.
// It implements the appengine.Context and http.ResponseWriter interfaces.
type context struct {
req *http.Request
outCode int
outHeader http.Header
outBody []byte
pendingLogs struct {
sync.Mutex
lines []*logpb.UserAppLogLine
flushes int
}
apiURL *url.URL
}
var contextKey = "holds a *context"
// jointContext joins two contexts in a superficial way.
// It takes values and timeouts from a base context, and only values from another context.
type jointContext struct {
base netcontext.Context
valuesOnly netcontext.Context
}
func (c jointContext) Deadline() (time.Time, bool) {
return c.base.Deadline()
}
func (c jointContext) Done() <-chan struct{} {
return c.base.Done()
}
func (c jointContext) Err() error {
return c.base.Err()
}
func (c jointContext) Value(key interface{}) interface{} {
if val := c.base.Value(key); val != nil {
return val
}
return c.valuesOnly.Value(key)
}
// fromContext returns the App Engine context or nil if ctx is not
// derived from an App Engine context.
func fromContext(ctx netcontext.Context) *context {
c, _ := ctx.Value(&contextKey).(*context)
return c
}
func withContext(parent netcontext.Context, c *context) netcontext.Context {
ctx := netcontext.WithValue(parent, &contextKey, c)
if ns := c.req.Header.Get(curNamespaceHeader); ns != "" {
ctx = withNamespace(ctx, ns)
}
return ctx
}
func toContext(c *context) netcontext.Context {
return withContext(netcontext.Background(), c)
}
func IncomingHeaders(ctx netcontext.Context) http.Header {
if c := fromContext(ctx); c != nil {
return c.req.Header
}
return nil
}
func ReqContext(req *http.Request) netcontext.Context {
return req.Context()
}
func WithContext(parent netcontext.Context, req *http.Request) netcontext.Context {
return jointContext{
base: parent,
valuesOnly: req.Context(),
}
}
// DefaultTicket returns a ticket used for background context or dev_appserver.
func DefaultTicket() string {
defaultTicketOnce.Do(func() {
if IsDevAppServer() {
defaultTicket = "testapp" + defaultTicketSuffix
return
}
appID := partitionlessAppID()
escAppID := strings.Replace(strings.Replace(appID, ":", "_", -1), ".", "_", -1)
majVersion := VersionID(nil)
if i := strings.Index(majVersion, "."); i > 0 {
majVersion = majVersion[:i]
}
defaultTicket = fmt.Sprintf("%s/%s.%s.%s", escAppID, ModuleName(nil), majVersion, InstanceID())
})
return defaultTicket
}
func BackgroundContext() netcontext.Context {
backgroundContextOnce.Do(func() {
// Compute background security ticket.
ticket := DefaultTicket()
c := &context{
req: &http.Request{
Header: http.Header{
ticketHeader: []string{ticket},
},
},
apiURL: apiURL(),
}
backgroundContext = toContext(c)
// TODO(dsymonds): Wire up the shutdown handler to do a final flush.
go c.logFlusher(make(chan int))
})
return backgroundContext
}
// RegisterTestRequest registers the HTTP request req for testing, such that
// any API calls are sent to the provided URL. It returns a closure to delete
// the registration.
// It should only be used by aetest package.
func RegisterTestRequest(req *http.Request, apiURL *url.URL, decorate func(netcontext.Context) netcontext.Context) (*http.Request, func()) {
c := &context{
req: req,
apiURL: apiURL,
}
ctx := withContext(decorate(req.Context()), c)
req = req.WithContext(ctx)
c.req = req
return req, func() {}
}
var errTimeout = &CallError{
Detail: "Deadline exceeded",
Code: int32(remotepb.RpcError_CANCELLED),
Timeout: true,
}
func (c *context) Header() http.Header { return c.outHeader }
// Copied from $GOROOT/src/pkg/net/http/transfer.go. Some response status
// codes do not permit a response body (nor response entity headers such as
// Content-Length, Content-Type, etc).
func bodyAllowedForStatus(status int) bool {
switch {
case status >= 100 && status <= 199:
return false
case status == 204:
return false
case status == 304:
return false
}
return true
}
func (c *context) Write(b []byte) (int, error) {
if c.outCode == 0 {
c.WriteHeader(http.StatusOK)
}
if len(b) > 0 && !bodyAllowedForStatus(c.outCode) {
return 0, http.ErrBodyNotAllowed
}
c.outBody = append(c.outBody, b...)
return len(b), nil
}
func (c *context) WriteHeader(code int) {
if c.outCode != 0 {
logf(c, 3, "WriteHeader called multiple times on request.") // error level
return
}
c.outCode = code
}
func (c *context) post(body []byte, timeout time.Duration) (b []byte, err error) {
hreq := &http.Request{
Method: "POST",
URL: c.apiURL,
Header: http.Header{
apiEndpointHeader: apiEndpointHeaderValue,
apiMethodHeader: apiMethodHeaderValue,
apiContentType: apiContentTypeValue,
apiDeadlineHeader: []string{strconv.FormatFloat(timeout.Seconds(), 'f', -1, 64)},
},
Body: ioutil.NopCloser(bytes.NewReader(body)),
ContentLength: int64(len(body)),
Host: c.apiURL.Host,
}
if info := c.req.Header.Get(dapperHeader); info != "" {
hreq.Header.Set(dapperHeader, info)
}
if info := c.req.Header.Get(traceHeader); info != "" {
hreq.Header.Set(traceHeader, info)
}
tr := apiHTTPClient.Transport.(*http.Transport)
var timedOut int32 // atomic; set to 1 if timed out
t := time.AfterFunc(timeout, func() {
atomic.StoreInt32(&timedOut, 1)
tr.CancelRequest(hreq)
})
defer t.Stop()
defer func() {
// Check if timeout was exceeded.
if atomic.LoadInt32(&timedOut) != 0 {
err = errTimeout
}
}()
hresp, err := apiHTTPClient.Do(hreq)
if err != nil {
return nil, &CallError{
Detail: fmt.Sprintf("service bridge HTTP failed: %v", err),
Code: int32(remotepb.RpcError_UNKNOWN),
}
}
defer hresp.Body.Close()
hrespBody, err := ioutil.ReadAll(hresp.Body)
if hresp.StatusCode != 200 {
return nil, &CallError{
Detail: fmt.Sprintf("service bridge returned HTTP %d (%q)", hresp.StatusCode, hrespBody),
Code: int32(remotepb.RpcError_UNKNOWN),
}
}
if err != nil {
return nil, &CallError{
Detail: fmt.Sprintf("service bridge response bad: %v", err),
Code: int32(remotepb.RpcError_UNKNOWN),
}
}
return hrespBody, nil
}
func Call(ctx netcontext.Context, service, method string, in, out proto.Message) error {
if ns := NamespaceFromContext(ctx); ns != "" {
if fn, ok := NamespaceMods[service]; ok {
fn(in, ns)
}
}
if f, ctx, ok := callOverrideFromContext(ctx); ok {
return f(ctx, service, method, in, out)
}
// Handle already-done contexts quickly.
select {
case <-ctx.Done():
return ctx.Err()
default:
}
c := fromContext(ctx)
if c == nil {
// Give a good error message rather than a panic lower down.
return errNotAppEngineContext
}
// Apply transaction modifications if we're in a transaction.
if t := transactionFromContext(ctx); t != nil {
if t.finished {
return errors.New("transaction context has expired")
}
applyTransaction(in, &t.transaction)
}
// Default RPC timeout is 60s.
timeout := 60 * time.Second
if deadline, ok := ctx.Deadline(); ok {
timeout = deadline.Sub(time.Now())
}
data, err := proto.Marshal(in)
if err != nil {
return err
}
ticket := c.req.Header.Get(ticketHeader)
// Use a test ticket under test environment.
if ticket == "" {
if appid := ctx.Value(&appIDOverrideKey); appid != nil {
ticket = appid.(string) + defaultTicketSuffix
}
}
// Fall back to use background ticket when the request ticket is not available in Flex or dev_appserver.
if ticket == "" {
ticket = DefaultTicket()
}
if dri := c.req.Header.Get(devRequestIdHeader); IsDevAppServer() && dri != "" {
ticket = dri
}
req := &remotepb.Request{
ServiceName: &service,
Method: &method,
Request: data,
RequestId: &ticket,
}
hreqBody, err := proto.Marshal(req)
if err != nil {
return err
}
hrespBody, err := c.post(hreqBody, timeout)
if err != nil {
return err
}
res := &remotepb.Response{}
if err := proto.Unmarshal(hrespBody, res); err != nil {
return err
}
if res.RpcError != nil {
ce := &CallError{
Detail: res.RpcError.GetDetail(),
Code: *res.RpcError.Code,
}
switch remotepb.RpcError_ErrorCode(ce.Code) {
case remotepb.RpcError_CANCELLED, remotepb.RpcError_DEADLINE_EXCEEDED:
ce.Timeout = true
}
return ce
}
if res.ApplicationError != nil {
return &APIError{
Service: *req.ServiceName,
Detail: res.ApplicationError.GetDetail(),
Code: *res.ApplicationError.Code,
}
}
if res.Exception != nil || res.JavaException != nil {
// This shouldn't happen, but let's be defensive.
return &CallError{
Detail: "service bridge returned exception",
Code: int32(remotepb.RpcError_UNKNOWN),
}
}
return proto.Unmarshal(res.Response, out)
}
func (c *context) Request() *http.Request {
return c.req
}
func (c *context) addLogLine(ll *logpb.UserAppLogLine) {
// Truncate long log lines.
// TODO(dsymonds): Check if this is still necessary.
const lim = 8 << 10
if len(*ll.Message) > lim {
suffix := fmt.Sprintf("...(length %d)", len(*ll.Message))
ll.Message = proto.String((*ll.Message)[:lim-len(suffix)] + suffix)
}
c.pendingLogs.Lock()
c.pendingLogs.lines = append(c.pendingLogs.lines, ll)
c.pendingLogs.Unlock()
}
var logLevelName = map[int64]string{
0: "DEBUG",
1: "INFO",
2: "WARNING",
3: "ERROR",
4: "CRITICAL",
}
func logf(c *context, level int64, format string, args ...interface{}) {
if c == nil {
panic("not an App Engine context")
}
s := fmt.Sprintf(format, args...)
s = strings.TrimRight(s, "\n") // Remove any trailing newline characters.
c.addLogLine(&logpb.UserAppLogLine{
TimestampUsec: proto.Int64(time.Now().UnixNano() / 1e3),
Level: &level,
Message: &s,
})
// Only duplicate log to stderr if not running on App Engine second generation
if !IsSecondGen() {
log.Print(logLevelName[level] + ": " + s)
}
}
// flushLog attempts to flush any pending logs to the appserver.
// It should not be called concurrently.
func (c *context) flushLog(force bool) (flushed bool) {
c.pendingLogs.Lock()
// Grab up to 30 MB. We can get away with up to 32 MB, but let's be cautious.
n, rem := 0, 30<<20
for ; n < len(c.pendingLogs.lines); n++ {
ll := c.pendingLogs.lines[n]
// Each log line will require about 3 bytes of overhead.
nb := proto.Size(ll) + 3
if nb > rem {
break
}
rem -= nb
}
lines := c.pendingLogs.lines[:n]
c.pendingLogs.lines = c.pendingLogs.lines[n:]
c.pendingLogs.Unlock()
if len(lines) == 0 && !force {
// Nothing to flush.
return false
}
rescueLogs := false
defer func() {
if rescueLogs {
c.pendingLogs.Lock()
c.pendingLogs.lines = append(lines, c.pendingLogs.lines...)
c.pendingLogs.Unlock()
}
}()
buf, err := proto.Marshal(&logpb.UserAppLogGroup{
LogLine: lines,
})
if err != nil {
log.Printf("internal.flushLog: marshaling UserAppLogGroup: %v", err)
rescueLogs = true
return false
}
req := &logpb.FlushRequest{
Logs: buf,
}
res := &basepb.VoidProto{}
c.pendingLogs.Lock()
c.pendingLogs.flushes++
c.pendingLogs.Unlock()
if err := Call(toContext(c), "logservice", "Flush", req, res); err != nil {
log.Printf("internal.flushLog: Flush RPC: %v", err)
rescueLogs = true
return false
}
return true
}
const (
// Log flushing parameters.
flushInterval = 1 * time.Second
forceFlushInterval = 60 * time.Second
)
func (c *context) logFlusher(stop <-chan int) {
lastFlush := time.Now()
tick := time.NewTicker(flushInterval)
for {
select {
case <-stop:
// Request finished.
tick.Stop()
return
case <-tick.C:
force := time.Now().Sub(lastFlush) > forceFlushInterval
if c.flushLog(force) {
lastFlush = time.Now()
}
}
}
}
func ContextForTesting(req *http.Request) netcontext.Context {
return toContext(&context{req: req})
}

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// Copyright 2015 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build appengine
package internal
import (
"errors"
"fmt"
"net/http"
"time"
"appengine"
"appengine_internal"
basepb "appengine_internal/base"
"github.com/golang/protobuf/proto"
netcontext "golang.org/x/net/context"
)
var contextKey = "holds an appengine.Context"
// fromContext returns the App Engine context or nil if ctx is not
// derived from an App Engine context.
func fromContext(ctx netcontext.Context) appengine.Context {
c, _ := ctx.Value(&contextKey).(appengine.Context)
return c
}
// This is only for classic App Engine adapters.
func ClassicContextFromContext(ctx netcontext.Context) (appengine.Context, error) {
c := fromContext(ctx)
if c == nil {
return nil, errNotAppEngineContext
}
return c, nil
}
func withContext(parent netcontext.Context, c appengine.Context) netcontext.Context {
ctx := netcontext.WithValue(parent, &contextKey, c)
s := &basepb.StringProto{}
c.Call("__go__", "GetNamespace", &basepb.VoidProto{}, s, nil)
if ns := s.GetValue(); ns != "" {
ctx = NamespacedContext(ctx, ns)
}
return ctx
}
func IncomingHeaders(ctx netcontext.Context) http.Header {
if c := fromContext(ctx); c != nil {
if req, ok := c.Request().(*http.Request); ok {
return req.Header
}
}
return nil
}
func ReqContext(req *http.Request) netcontext.Context {
return WithContext(netcontext.Background(), req)
}
func WithContext(parent netcontext.Context, req *http.Request) netcontext.Context {
c := appengine.NewContext(req)
return withContext(parent, c)
}
type testingContext struct {
appengine.Context
req *http.Request
}
func (t *testingContext) FullyQualifiedAppID() string { return "dev~testcontext" }
func (t *testingContext) Call(service, method string, _, _ appengine_internal.ProtoMessage, _ *appengine_internal.CallOptions) error {
if service == "__go__" && method == "GetNamespace" {
return nil
}
return fmt.Errorf("testingContext: unsupported Call")
}
func (t *testingContext) Request() interface{} { return t.req }
func ContextForTesting(req *http.Request) netcontext.Context {
return withContext(netcontext.Background(), &testingContext{req: req})
}
func Call(ctx netcontext.Context, service, method string, in, out proto.Message) error {
if ns := NamespaceFromContext(ctx); ns != "" {
if fn, ok := NamespaceMods[service]; ok {
fn(in, ns)
}
}
if f, ctx, ok := callOverrideFromContext(ctx); ok {
return f(ctx, service, method, in, out)
}
// Handle already-done contexts quickly.
select {
case <-ctx.Done():
return ctx.Err()
default:
}
c := fromContext(ctx)
if c == nil {
// Give a good error message rather than a panic lower down.
return errNotAppEngineContext
}
// Apply transaction modifications if we're in a transaction.
if t := transactionFromContext(ctx); t != nil {
if t.finished {
return errors.New("transaction context has expired")
}
applyTransaction(in, &t.transaction)
}
var opts *appengine_internal.CallOptions
if d, ok := ctx.Deadline(); ok {
opts = &appengine_internal.CallOptions{
Timeout: d.Sub(time.Now()),
}
}
err := c.Call(service, method, in, out, opts)
switch v := err.(type) {
case *appengine_internal.APIError:
return &APIError{
Service: v.Service,
Detail: v.Detail,
Code: v.Code,
}
case *appengine_internal.CallError:
return &CallError{
Detail: v.Detail,
Code: v.Code,
Timeout: v.Timeout,
}
}
return err
}
func handleHTTP(w http.ResponseWriter, r *http.Request) {
panic("handleHTTP called; this should be impossible")
}
func logf(c appengine.Context, level int64, format string, args ...interface{}) {
var fn func(format string, args ...interface{})
switch level {
case 0:
fn = c.Debugf
case 1:
fn = c.Infof
case 2:
fn = c.Warningf
case 3:
fn = c.Errorf
case 4:
fn = c.Criticalf
default:
// This shouldn't happen.
fn = c.Criticalf
}
fn(format, args...)
}

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// Copyright 2015 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package internal
import (
"errors"
"os"
"github.com/golang/protobuf/proto"
netcontext "golang.org/x/net/context"
)
var errNotAppEngineContext = errors.New("not an App Engine context")
type CallOverrideFunc func(ctx netcontext.Context, service, method string, in, out proto.Message) error
var callOverrideKey = "holds []CallOverrideFunc"
func WithCallOverride(ctx netcontext.Context, f CallOverrideFunc) netcontext.Context {
// We avoid appending to any existing call override
// so we don't risk overwriting a popped stack below.
var cofs []CallOverrideFunc
if uf, ok := ctx.Value(&callOverrideKey).([]CallOverrideFunc); ok {
cofs = append(cofs, uf...)
}
cofs = append(cofs, f)
return netcontext.WithValue(ctx, &callOverrideKey, cofs)
}
func callOverrideFromContext(ctx netcontext.Context) (CallOverrideFunc, netcontext.Context, bool) {
cofs, _ := ctx.Value(&callOverrideKey).([]CallOverrideFunc)
if len(cofs) == 0 {
return nil, nil, false
}
// We found a list of overrides; grab the last, and reconstitute a
// context that will hide it.
f := cofs[len(cofs)-1]
ctx = netcontext.WithValue(ctx, &callOverrideKey, cofs[:len(cofs)-1])
return f, ctx, true
}
type logOverrideFunc func(level int64, format string, args ...interface{})
var logOverrideKey = "holds a logOverrideFunc"
func WithLogOverride(ctx netcontext.Context, f logOverrideFunc) netcontext.Context {
return netcontext.WithValue(ctx, &logOverrideKey, f)
}
var appIDOverrideKey = "holds a string, being the full app ID"
func WithAppIDOverride(ctx netcontext.Context, appID string) netcontext.Context {
return netcontext.WithValue(ctx, &appIDOverrideKey, appID)
}
var namespaceKey = "holds the namespace string"
func withNamespace(ctx netcontext.Context, ns string) netcontext.Context {
return netcontext.WithValue(ctx, &namespaceKey, ns)
}
func NamespaceFromContext(ctx netcontext.Context) string {
// If there's no namespace, return the empty string.
ns, _ := ctx.Value(&namespaceKey).(string)
return ns
}
// FullyQualifiedAppID returns the fully-qualified application ID.
// This may contain a partition prefix (e.g. "s~" for High Replication apps),
// or a domain prefix (e.g. "example.com:").
func FullyQualifiedAppID(ctx netcontext.Context) string {
if id, ok := ctx.Value(&appIDOverrideKey).(string); ok {
return id
}
return fullyQualifiedAppID(ctx)
}
func Logf(ctx netcontext.Context, level int64, format string, args ...interface{}) {
if f, ok := ctx.Value(&logOverrideKey).(logOverrideFunc); ok {
f(level, format, args...)
return
}
c := fromContext(ctx)
if c == nil {
panic(errNotAppEngineContext)
}
logf(c, level, format, args...)
}
// NamespacedContext wraps a Context to support namespaces.
func NamespacedContext(ctx netcontext.Context, namespace string) netcontext.Context {
return withNamespace(ctx, namespace)
}
// SetTestEnv sets the env variables for testing background ticket in Flex.
func SetTestEnv() func() {
var environ = []struct {
key, value string
}{
{"GAE_LONG_APP_ID", "my-app-id"},
{"GAE_MINOR_VERSION", "067924799508853122"},
{"GAE_MODULE_INSTANCE", "0"},
{"GAE_MODULE_NAME", "default"},
{"GAE_MODULE_VERSION", "20150612t184001"},
}
for _, v := range environ {
old := os.Getenv(v.key)
os.Setenv(v.key, v.value)
v.value = old
}
return func() { // Restore old environment after the test completes.
for _, v := range environ {
if v.value == "" {
os.Unsetenv(v.key)
continue
}
os.Setenv(v.key, v.value)
}
}
}

28
vendor/google.golang.org/appengine/internal/app_id.go generated vendored Normal file
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@ -0,0 +1,28 @@
// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package internal
import (
"strings"
)
func parseFullAppID(appid string) (partition, domain, displayID string) {
if i := strings.Index(appid, "~"); i != -1 {
partition, appid = appid[:i], appid[i+1:]
}
if i := strings.Index(appid, ":"); i != -1 {
domain, appid = appid[:i], appid[i+1:]
}
return partition, domain, appid
}
// appID returns "appid" or "domain.com:appid".
func appID(fullAppID string) string {
_, dom, dis := parseFullAppID(fullAppID)
if dom != "" {
return dom + ":" + dis
}
return dis
}

611
vendor/google.golang.org/appengine/internal/app_identity/app_identity_service.pb.go generated vendored Normal file
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@ -0,0 +1,611 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: google.golang.org/appengine/internal/app_identity/app_identity_service.proto
package app_identity
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
type AppIdentityServiceError_ErrorCode int32
const (
AppIdentityServiceError_SUCCESS AppIdentityServiceError_ErrorCode = 0
AppIdentityServiceError_UNKNOWN_SCOPE AppIdentityServiceError_ErrorCode = 9
AppIdentityServiceError_BLOB_TOO_LARGE AppIdentityServiceError_ErrorCode = 1000
AppIdentityServiceError_DEADLINE_EXCEEDED AppIdentityServiceError_ErrorCode = 1001
AppIdentityServiceError_NOT_A_VALID_APP AppIdentityServiceError_ErrorCode = 1002
AppIdentityServiceError_UNKNOWN_ERROR AppIdentityServiceError_ErrorCode = 1003
AppIdentityServiceError_NOT_ALLOWED AppIdentityServiceError_ErrorCode = 1005
AppIdentityServiceError_NOT_IMPLEMENTED AppIdentityServiceError_ErrorCode = 1006
)
var AppIdentityServiceError_ErrorCode_name = map[int32]string{
0: "SUCCESS",
9: "UNKNOWN_SCOPE",
1000: "BLOB_TOO_LARGE",
1001: "DEADLINE_EXCEEDED",
1002: "NOT_A_VALID_APP",
1003: "UNKNOWN_ERROR",
1005: "NOT_ALLOWED",
1006: "NOT_IMPLEMENTED",
}
var AppIdentityServiceError_ErrorCode_value = map[string]int32{
"SUCCESS": 0,
"UNKNOWN_SCOPE": 9,
"BLOB_TOO_LARGE": 1000,
"DEADLINE_EXCEEDED": 1001,
"NOT_A_VALID_APP": 1002,
"UNKNOWN_ERROR": 1003,
"NOT_ALLOWED": 1005,
"NOT_IMPLEMENTED": 1006,
}
func (x AppIdentityServiceError_ErrorCode) Enum() *AppIdentityServiceError_ErrorCode {
p := new(AppIdentityServiceError_ErrorCode)
*p = x
return p
}
func (x AppIdentityServiceError_ErrorCode) String() string {
return proto.EnumName(AppIdentityServiceError_ErrorCode_name, int32(x))
}
func (x *AppIdentityServiceError_ErrorCode) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(AppIdentityServiceError_ErrorCode_value, data, "AppIdentityServiceError_ErrorCode")
if err != nil {
return err
}
*x = AppIdentityServiceError_ErrorCode(value)
return nil
}
func (AppIdentityServiceError_ErrorCode) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{0, 0}
}
type AppIdentityServiceError struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *AppIdentityServiceError) Reset() { *m = AppIdentityServiceError{} }
func (m *AppIdentityServiceError) String() string { return proto.CompactTextString(m) }
func (*AppIdentityServiceError) ProtoMessage() {}
func (*AppIdentityServiceError) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{0}
}
func (m *AppIdentityServiceError) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_AppIdentityServiceError.Unmarshal(m, b)
}
func (m *AppIdentityServiceError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_AppIdentityServiceError.Marshal(b, m, deterministic)
}
func (dst *AppIdentityServiceError) XXX_Merge(src proto.Message) {
xxx_messageInfo_AppIdentityServiceError.Merge(dst, src)
}
func (m *AppIdentityServiceError) XXX_Size() int {
return xxx_messageInfo_AppIdentityServiceError.Size(m)
}
func (m *AppIdentityServiceError) XXX_DiscardUnknown() {
xxx_messageInfo_AppIdentityServiceError.DiscardUnknown(m)
}
var xxx_messageInfo_AppIdentityServiceError proto.InternalMessageInfo
type SignForAppRequest struct {
BytesToSign []byte `protobuf:"bytes,1,opt,name=bytes_to_sign,json=bytesToSign" json:"bytes_to_sign,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *SignForAppRequest) Reset() { *m = SignForAppRequest{} }
func (m *SignForAppRequest) String() string { return proto.CompactTextString(m) }
func (*SignForAppRequest) ProtoMessage() {}
func (*SignForAppRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{1}
}
func (m *SignForAppRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_SignForAppRequest.Unmarshal(m, b)
}
func (m *SignForAppRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_SignForAppRequest.Marshal(b, m, deterministic)
}
func (dst *SignForAppRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_SignForAppRequest.Merge(dst, src)
}
func (m *SignForAppRequest) XXX_Size() int {
return xxx_messageInfo_SignForAppRequest.Size(m)
}
func (m *SignForAppRequest) XXX_DiscardUnknown() {
xxx_messageInfo_SignForAppRequest.DiscardUnknown(m)
}
var xxx_messageInfo_SignForAppRequest proto.InternalMessageInfo
func (m *SignForAppRequest) GetBytesToSign() []byte {
if m != nil {
return m.BytesToSign
}
return nil
}
type SignForAppResponse struct {
KeyName *string `protobuf:"bytes,1,opt,name=key_name,json=keyName" json:"key_name,omitempty"`
SignatureBytes []byte `protobuf:"bytes,2,opt,name=signature_bytes,json=signatureBytes" json:"signature_bytes,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *SignForAppResponse) Reset() { *m = SignForAppResponse{} }
func (m *SignForAppResponse) String() string { return proto.CompactTextString(m) }
func (*SignForAppResponse) ProtoMessage() {}
func (*SignForAppResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{2}
}
func (m *SignForAppResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_SignForAppResponse.Unmarshal(m, b)
}
func (m *SignForAppResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_SignForAppResponse.Marshal(b, m, deterministic)
}
func (dst *SignForAppResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_SignForAppResponse.Merge(dst, src)
}
func (m *SignForAppResponse) XXX_Size() int {
return xxx_messageInfo_SignForAppResponse.Size(m)
}
func (m *SignForAppResponse) XXX_DiscardUnknown() {
xxx_messageInfo_SignForAppResponse.DiscardUnknown(m)
}
var xxx_messageInfo_SignForAppResponse proto.InternalMessageInfo
func (m *SignForAppResponse) GetKeyName() string {
if m != nil && m.KeyName != nil {
return *m.KeyName
}
return ""
}
func (m *SignForAppResponse) GetSignatureBytes() []byte {
if m != nil {
return m.SignatureBytes
}
return nil
}
type GetPublicCertificateForAppRequest struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetPublicCertificateForAppRequest) Reset() { *m = GetPublicCertificateForAppRequest{} }
func (m *GetPublicCertificateForAppRequest) String() string { return proto.CompactTextString(m) }
func (*GetPublicCertificateForAppRequest) ProtoMessage() {}
func (*GetPublicCertificateForAppRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{3}
}
func (m *GetPublicCertificateForAppRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetPublicCertificateForAppRequest.Unmarshal(m, b)
}
func (m *GetPublicCertificateForAppRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetPublicCertificateForAppRequest.Marshal(b, m, deterministic)
}
func (dst *GetPublicCertificateForAppRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetPublicCertificateForAppRequest.Merge(dst, src)
}
func (m *GetPublicCertificateForAppRequest) XXX_Size() int {
return xxx_messageInfo_GetPublicCertificateForAppRequest.Size(m)
}
func (m *GetPublicCertificateForAppRequest) XXX_DiscardUnknown() {
xxx_messageInfo_GetPublicCertificateForAppRequest.DiscardUnknown(m)
}
var xxx_messageInfo_GetPublicCertificateForAppRequest proto.InternalMessageInfo
type PublicCertificate struct {
KeyName *string `protobuf:"bytes,1,opt,name=key_name,json=keyName" json:"key_name,omitempty"`
X509CertificatePem *string `protobuf:"bytes,2,opt,name=x509_certificate_pem,json=x509CertificatePem" json:"x509_certificate_pem,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *PublicCertificate) Reset() { *m = PublicCertificate{} }
func (m *PublicCertificate) String() string { return proto.CompactTextString(m) }
func (*PublicCertificate) ProtoMessage() {}
func (*PublicCertificate) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{4}
}
func (m *PublicCertificate) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_PublicCertificate.Unmarshal(m, b)
}
func (m *PublicCertificate) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_PublicCertificate.Marshal(b, m, deterministic)
}
func (dst *PublicCertificate) XXX_Merge(src proto.Message) {
xxx_messageInfo_PublicCertificate.Merge(dst, src)
}
func (m *PublicCertificate) XXX_Size() int {
return xxx_messageInfo_PublicCertificate.Size(m)
}
func (m *PublicCertificate) XXX_DiscardUnknown() {
xxx_messageInfo_PublicCertificate.DiscardUnknown(m)
}
var xxx_messageInfo_PublicCertificate proto.InternalMessageInfo
func (m *PublicCertificate) GetKeyName() string {
if m != nil && m.KeyName != nil {
return *m.KeyName
}
return ""
}
func (m *PublicCertificate) GetX509CertificatePem() string {
if m != nil && m.X509CertificatePem != nil {
return *m.X509CertificatePem
}
return ""
}
type GetPublicCertificateForAppResponse struct {
PublicCertificateList []*PublicCertificate `protobuf:"bytes,1,rep,name=public_certificate_list,json=publicCertificateList" json:"public_certificate_list,omitempty"`
MaxClientCacheTimeInSecond *int64 `protobuf:"varint,2,opt,name=max_client_cache_time_in_second,json=maxClientCacheTimeInSecond" json:"max_client_cache_time_in_second,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetPublicCertificateForAppResponse) Reset() { *m = GetPublicCertificateForAppResponse{} }
func (m *GetPublicCertificateForAppResponse) String() string { return proto.CompactTextString(m) }
func (*GetPublicCertificateForAppResponse) ProtoMessage() {}
func (*GetPublicCertificateForAppResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{5}
}
func (m *GetPublicCertificateForAppResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetPublicCertificateForAppResponse.Unmarshal(m, b)
}
func (m *GetPublicCertificateForAppResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetPublicCertificateForAppResponse.Marshal(b, m, deterministic)
}
func (dst *GetPublicCertificateForAppResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetPublicCertificateForAppResponse.Merge(dst, src)
}
func (m *GetPublicCertificateForAppResponse) XXX_Size() int {
return xxx_messageInfo_GetPublicCertificateForAppResponse.Size(m)
}
func (m *GetPublicCertificateForAppResponse) XXX_DiscardUnknown() {
xxx_messageInfo_GetPublicCertificateForAppResponse.DiscardUnknown(m)
}
var xxx_messageInfo_GetPublicCertificateForAppResponse proto.InternalMessageInfo
func (m *GetPublicCertificateForAppResponse) GetPublicCertificateList() []*PublicCertificate {
if m != nil {
return m.PublicCertificateList
}
return nil
}
func (m *GetPublicCertificateForAppResponse) GetMaxClientCacheTimeInSecond() int64 {
if m != nil && m.MaxClientCacheTimeInSecond != nil {
return *m.MaxClientCacheTimeInSecond
}
return 0
}
type GetServiceAccountNameRequest struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetServiceAccountNameRequest) Reset() { *m = GetServiceAccountNameRequest{} }
func (m *GetServiceAccountNameRequest) String() string { return proto.CompactTextString(m) }
func (*GetServiceAccountNameRequest) ProtoMessage() {}
func (*GetServiceAccountNameRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{6}
}
func (m *GetServiceAccountNameRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetServiceAccountNameRequest.Unmarshal(m, b)
}
func (m *GetServiceAccountNameRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetServiceAccountNameRequest.Marshal(b, m, deterministic)
}
func (dst *GetServiceAccountNameRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetServiceAccountNameRequest.Merge(dst, src)
}
func (m *GetServiceAccountNameRequest) XXX_Size() int {
return xxx_messageInfo_GetServiceAccountNameRequest.Size(m)
}
func (m *GetServiceAccountNameRequest) XXX_DiscardUnknown() {
xxx_messageInfo_GetServiceAccountNameRequest.DiscardUnknown(m)
}
var xxx_messageInfo_GetServiceAccountNameRequest proto.InternalMessageInfo
type GetServiceAccountNameResponse struct {
ServiceAccountName *string `protobuf:"bytes,1,opt,name=service_account_name,json=serviceAccountName" json:"service_account_name,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetServiceAccountNameResponse) Reset() { *m = GetServiceAccountNameResponse{} }
func (m *GetServiceAccountNameResponse) String() string { return proto.CompactTextString(m) }
func (*GetServiceAccountNameResponse) ProtoMessage() {}
func (*GetServiceAccountNameResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{7}
}
func (m *GetServiceAccountNameResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetServiceAccountNameResponse.Unmarshal(m, b)
}
func (m *GetServiceAccountNameResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetServiceAccountNameResponse.Marshal(b, m, deterministic)
}
func (dst *GetServiceAccountNameResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetServiceAccountNameResponse.Merge(dst, src)
}
func (m *GetServiceAccountNameResponse) XXX_Size() int {
return xxx_messageInfo_GetServiceAccountNameResponse.Size(m)
}
func (m *GetServiceAccountNameResponse) XXX_DiscardUnknown() {
xxx_messageInfo_GetServiceAccountNameResponse.DiscardUnknown(m)
}
var xxx_messageInfo_GetServiceAccountNameResponse proto.InternalMessageInfo
func (m *GetServiceAccountNameResponse) GetServiceAccountName() string {
if m != nil && m.ServiceAccountName != nil {
return *m.ServiceAccountName
}
return ""
}
type GetAccessTokenRequest struct {
Scope []string `protobuf:"bytes,1,rep,name=scope" json:"scope,omitempty"`
ServiceAccountId *int64 `protobuf:"varint,2,opt,name=service_account_id,json=serviceAccountId" json:"service_account_id,omitempty"`
ServiceAccountName *string `protobuf:"bytes,3,opt,name=service_account_name,json=serviceAccountName" json:"service_account_name,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetAccessTokenRequest) Reset() { *m = GetAccessTokenRequest{} }
func (m *GetAccessTokenRequest) String() string { return proto.CompactTextString(m) }
func (*GetAccessTokenRequest) ProtoMessage() {}
func (*GetAccessTokenRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{8}
}
func (m *GetAccessTokenRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetAccessTokenRequest.Unmarshal(m, b)
}
func (m *GetAccessTokenRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetAccessTokenRequest.Marshal(b, m, deterministic)
}
func (dst *GetAccessTokenRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetAccessTokenRequest.Merge(dst, src)
}
func (m *GetAccessTokenRequest) XXX_Size() int {
return xxx_messageInfo_GetAccessTokenRequest.Size(m)
}
func (m *GetAccessTokenRequest) XXX_DiscardUnknown() {
xxx_messageInfo_GetAccessTokenRequest.DiscardUnknown(m)
}
var xxx_messageInfo_GetAccessTokenRequest proto.InternalMessageInfo
func (m *GetAccessTokenRequest) GetScope() []string {
if m != nil {
return m.Scope
}
return nil
}
func (m *GetAccessTokenRequest) GetServiceAccountId() int64 {
if m != nil && m.ServiceAccountId != nil {
return *m.ServiceAccountId
}
return 0
}
func (m *GetAccessTokenRequest) GetServiceAccountName() string {
if m != nil && m.ServiceAccountName != nil {
return *m.ServiceAccountName
}
return ""
}
type GetAccessTokenResponse struct {
AccessToken *string `protobuf:"bytes,1,opt,name=access_token,json=accessToken" json:"access_token,omitempty"`
ExpirationTime *int64 `protobuf:"varint,2,opt,name=expiration_time,json=expirationTime" json:"expiration_time,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetAccessTokenResponse) Reset() { *m = GetAccessTokenResponse{} }
func (m *GetAccessTokenResponse) String() string { return proto.CompactTextString(m) }
func (*GetAccessTokenResponse) ProtoMessage() {}
func (*GetAccessTokenResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{9}
}
func (m *GetAccessTokenResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetAccessTokenResponse.Unmarshal(m, b)
}
func (m *GetAccessTokenResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetAccessTokenResponse.Marshal(b, m, deterministic)
}
func (dst *GetAccessTokenResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetAccessTokenResponse.Merge(dst, src)
}
func (m *GetAccessTokenResponse) XXX_Size() int {
return xxx_messageInfo_GetAccessTokenResponse.Size(m)
}
func (m *GetAccessTokenResponse) XXX_DiscardUnknown() {
xxx_messageInfo_GetAccessTokenResponse.DiscardUnknown(m)
}
var xxx_messageInfo_GetAccessTokenResponse proto.InternalMessageInfo
func (m *GetAccessTokenResponse) GetAccessToken() string {
if m != nil && m.AccessToken != nil {
return *m.AccessToken
}
return ""
}
func (m *GetAccessTokenResponse) GetExpirationTime() int64 {
if m != nil && m.ExpirationTime != nil {
return *m.ExpirationTime
}
return 0
}
type GetDefaultGcsBucketNameRequest struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetDefaultGcsBucketNameRequest) Reset() { *m = GetDefaultGcsBucketNameRequest{} }
func (m *GetDefaultGcsBucketNameRequest) String() string { return proto.CompactTextString(m) }
func (*GetDefaultGcsBucketNameRequest) ProtoMessage() {}
func (*GetDefaultGcsBucketNameRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{10}
}
func (m *GetDefaultGcsBucketNameRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetDefaultGcsBucketNameRequest.Unmarshal(m, b)
}
func (m *GetDefaultGcsBucketNameRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetDefaultGcsBucketNameRequest.Marshal(b, m, deterministic)
}
func (dst *GetDefaultGcsBucketNameRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetDefaultGcsBucketNameRequest.Merge(dst, src)
}
func (m *GetDefaultGcsBucketNameRequest) XXX_Size() int {
return xxx_messageInfo_GetDefaultGcsBucketNameRequest.Size(m)
}
func (m *GetDefaultGcsBucketNameRequest) XXX_DiscardUnknown() {
xxx_messageInfo_GetDefaultGcsBucketNameRequest.DiscardUnknown(m)
}
var xxx_messageInfo_GetDefaultGcsBucketNameRequest proto.InternalMessageInfo
type GetDefaultGcsBucketNameResponse struct {
DefaultGcsBucketName *string `protobuf:"bytes,1,opt,name=default_gcs_bucket_name,json=defaultGcsBucketName" json:"default_gcs_bucket_name,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetDefaultGcsBucketNameResponse) Reset() { *m = GetDefaultGcsBucketNameResponse{} }
func (m *GetDefaultGcsBucketNameResponse) String() string { return proto.CompactTextString(m) }
func (*GetDefaultGcsBucketNameResponse) ProtoMessage() {}
func (*GetDefaultGcsBucketNameResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_app_identity_service_08a6e3f74b04cfa4, []int{11}
}
func (m *GetDefaultGcsBucketNameResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetDefaultGcsBucketNameResponse.Unmarshal(m, b)
}
func (m *GetDefaultGcsBucketNameResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetDefaultGcsBucketNameResponse.Marshal(b, m, deterministic)
}
func (dst *GetDefaultGcsBucketNameResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetDefaultGcsBucketNameResponse.Merge(dst, src)
}
func (m *GetDefaultGcsBucketNameResponse) XXX_Size() int {
return xxx_messageInfo_GetDefaultGcsBucketNameResponse.Size(m)
}
func (m *GetDefaultGcsBucketNameResponse) XXX_DiscardUnknown() {
xxx_messageInfo_GetDefaultGcsBucketNameResponse.DiscardUnknown(m)
}
var xxx_messageInfo_GetDefaultGcsBucketNameResponse proto.InternalMessageInfo
func (m *GetDefaultGcsBucketNameResponse) GetDefaultGcsBucketName() string {
if m != nil && m.DefaultGcsBucketName != nil {
return *m.DefaultGcsBucketName
}
return ""
}
func init() {
proto.RegisterType((*AppIdentityServiceError)(nil), "appengine.AppIdentityServiceError")
proto.RegisterType((*SignForAppRequest)(nil), "appengine.SignForAppRequest")
proto.RegisterType((*SignForAppResponse)(nil), "appengine.SignForAppResponse")
proto.RegisterType((*GetPublicCertificateForAppRequest)(nil), "appengine.GetPublicCertificateForAppRequest")
proto.RegisterType((*PublicCertificate)(nil), "appengine.PublicCertificate")
proto.RegisterType((*GetPublicCertificateForAppResponse)(nil), "appengine.GetPublicCertificateForAppResponse")
proto.RegisterType((*GetServiceAccountNameRequest)(nil), "appengine.GetServiceAccountNameRequest")
proto.RegisterType((*GetServiceAccountNameResponse)(nil), "appengine.GetServiceAccountNameResponse")
proto.RegisterType((*GetAccessTokenRequest)(nil), "appengine.GetAccessTokenRequest")
proto.RegisterType((*GetAccessTokenResponse)(nil), "appengine.GetAccessTokenResponse")
proto.RegisterType((*GetDefaultGcsBucketNameRequest)(nil), "appengine.GetDefaultGcsBucketNameRequest")
proto.RegisterType((*GetDefaultGcsBucketNameResponse)(nil), "appengine.GetDefaultGcsBucketNameResponse")
}
func init() {
proto.RegisterFile("google.golang.org/appengine/internal/app_identity/app_identity_service.proto", fileDescriptor_app_identity_service_08a6e3f74b04cfa4)
}
var fileDescriptor_app_identity_service_08a6e3f74b04cfa4 = []byte{
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}

64
vendor/google.golang.org/appengine/internal/app_identity/app_identity_service.proto generated vendored Normal file
View File

@ -0,0 +1,64 @@
syntax = "proto2";
option go_package = "app_identity";
package appengine;
message AppIdentityServiceError {
enum ErrorCode {
SUCCESS = 0;
UNKNOWN_SCOPE = 9;
BLOB_TOO_LARGE = 1000;
DEADLINE_EXCEEDED = 1001;
NOT_A_VALID_APP = 1002;
UNKNOWN_ERROR = 1003;
NOT_ALLOWED = 1005;
NOT_IMPLEMENTED = 1006;
}
}
message SignForAppRequest {
optional bytes bytes_to_sign = 1;
}
message SignForAppResponse {
optional string key_name = 1;
optional bytes signature_bytes = 2;
}
message GetPublicCertificateForAppRequest {
}
message PublicCertificate {
optional string key_name = 1;
optional string x509_certificate_pem = 2;
}
message GetPublicCertificateForAppResponse {
repeated PublicCertificate public_certificate_list = 1;
optional int64 max_client_cache_time_in_second = 2;
}
message GetServiceAccountNameRequest {
}
message GetServiceAccountNameResponse {
optional string service_account_name = 1;
}
message GetAccessTokenRequest {
repeated string scope = 1;
optional int64 service_account_id = 2;
optional string service_account_name = 3;
}
message GetAccessTokenResponse {
optional string access_token = 1;
optional int64 expiration_time = 2;
}
message GetDefaultGcsBucketNameRequest {
}
message GetDefaultGcsBucketNameResponse {
optional string default_gcs_bucket_name = 1;
}

308
vendor/google.golang.org/appengine/internal/base/api_base.pb.go generated vendored Normal file
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@ -0,0 +1,308 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: google.golang.org/appengine/internal/base/api_base.proto
package base
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
type StringProto struct {
Value *string `protobuf:"bytes,1,req,name=value" json:"value,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *StringProto) Reset() { *m = StringProto{} }
func (m *StringProto) String() string { return proto.CompactTextString(m) }
func (*StringProto) ProtoMessage() {}
func (*StringProto) Descriptor() ([]byte, []int) {
return fileDescriptor_api_base_9d49f8792e0c1140, []int{0}
}
func (m *StringProto) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_StringProto.Unmarshal(m, b)
}
func (m *StringProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_StringProto.Marshal(b, m, deterministic)
}
func (dst *StringProto) XXX_Merge(src proto.Message) {
xxx_messageInfo_StringProto.Merge(dst, src)
}
func (m *StringProto) XXX_Size() int {
return xxx_messageInfo_StringProto.Size(m)
}
func (m *StringProto) XXX_DiscardUnknown() {
xxx_messageInfo_StringProto.DiscardUnknown(m)
}
var xxx_messageInfo_StringProto proto.InternalMessageInfo
func (m *StringProto) GetValue() string {
if m != nil && m.Value != nil {
return *m.Value
}
return ""
}
type Integer32Proto struct {
Value *int32 `protobuf:"varint,1,req,name=value" json:"value,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Integer32Proto) Reset() { *m = Integer32Proto{} }
func (m *Integer32Proto) String() string { return proto.CompactTextString(m) }
func (*Integer32Proto) ProtoMessage() {}
func (*Integer32Proto) Descriptor() ([]byte, []int) {
return fileDescriptor_api_base_9d49f8792e0c1140, []int{1}
}
func (m *Integer32Proto) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Integer32Proto.Unmarshal(m, b)
}
func (m *Integer32Proto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Integer32Proto.Marshal(b, m, deterministic)
}
func (dst *Integer32Proto) XXX_Merge(src proto.Message) {
xxx_messageInfo_Integer32Proto.Merge(dst, src)
}
func (m *Integer32Proto) XXX_Size() int {
return xxx_messageInfo_Integer32Proto.Size(m)
}
func (m *Integer32Proto) XXX_DiscardUnknown() {
xxx_messageInfo_Integer32Proto.DiscardUnknown(m)
}
var xxx_messageInfo_Integer32Proto proto.InternalMessageInfo
func (m *Integer32Proto) GetValue() int32 {
if m != nil && m.Value != nil {
return *m.Value
}
return 0
}
type Integer64Proto struct {
Value *int64 `protobuf:"varint,1,req,name=value" json:"value,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Integer64Proto) Reset() { *m = Integer64Proto{} }
func (m *Integer64Proto) String() string { return proto.CompactTextString(m) }
func (*Integer64Proto) ProtoMessage() {}
func (*Integer64Proto) Descriptor() ([]byte, []int) {
return fileDescriptor_api_base_9d49f8792e0c1140, []int{2}
}
func (m *Integer64Proto) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Integer64Proto.Unmarshal(m, b)
}
func (m *Integer64Proto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Integer64Proto.Marshal(b, m, deterministic)
}
func (dst *Integer64Proto) XXX_Merge(src proto.Message) {
xxx_messageInfo_Integer64Proto.Merge(dst, src)
}
func (m *Integer64Proto) XXX_Size() int {
return xxx_messageInfo_Integer64Proto.Size(m)
}
func (m *Integer64Proto) XXX_DiscardUnknown() {
xxx_messageInfo_Integer64Proto.DiscardUnknown(m)
}
var xxx_messageInfo_Integer64Proto proto.InternalMessageInfo
func (m *Integer64Proto) GetValue() int64 {
if m != nil && m.Value != nil {
return *m.Value
}
return 0
}
type BoolProto struct {
Value *bool `protobuf:"varint,1,req,name=value" json:"value,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *BoolProto) Reset() { *m = BoolProto{} }
func (m *BoolProto) String() string { return proto.CompactTextString(m) }
func (*BoolProto) ProtoMessage() {}
func (*BoolProto) Descriptor() ([]byte, []int) {
return fileDescriptor_api_base_9d49f8792e0c1140, []int{3}
}
func (m *BoolProto) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_BoolProto.Unmarshal(m, b)
}
func (m *BoolProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_BoolProto.Marshal(b, m, deterministic)
}
func (dst *BoolProto) XXX_Merge(src proto.Message) {
xxx_messageInfo_BoolProto.Merge(dst, src)
}
func (m *BoolProto) XXX_Size() int {
return xxx_messageInfo_BoolProto.Size(m)
}
func (m *BoolProto) XXX_DiscardUnknown() {
xxx_messageInfo_BoolProto.DiscardUnknown(m)
}
var xxx_messageInfo_BoolProto proto.InternalMessageInfo
func (m *BoolProto) GetValue() bool {
if m != nil && m.Value != nil {
return *m.Value
}
return false
}
type DoubleProto struct {
Value *float64 `protobuf:"fixed64,1,req,name=value" json:"value,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *DoubleProto) Reset() { *m = DoubleProto{} }
func (m *DoubleProto) String() string { return proto.CompactTextString(m) }
func (*DoubleProto) ProtoMessage() {}
func (*DoubleProto) Descriptor() ([]byte, []int) {
return fileDescriptor_api_base_9d49f8792e0c1140, []int{4}
}
func (m *DoubleProto) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_DoubleProto.Unmarshal(m, b)
}
func (m *DoubleProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_DoubleProto.Marshal(b, m, deterministic)
}
func (dst *DoubleProto) XXX_Merge(src proto.Message) {
xxx_messageInfo_DoubleProto.Merge(dst, src)
}
func (m *DoubleProto) XXX_Size() int {
return xxx_messageInfo_DoubleProto.Size(m)
}
func (m *DoubleProto) XXX_DiscardUnknown() {
xxx_messageInfo_DoubleProto.DiscardUnknown(m)
}
var xxx_messageInfo_DoubleProto proto.InternalMessageInfo
func (m *DoubleProto) GetValue() float64 {
if m != nil && m.Value != nil {
return *m.Value
}
return 0
}
type BytesProto struct {
Value []byte `protobuf:"bytes,1,req,name=value" json:"value,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *BytesProto) Reset() { *m = BytesProto{} }
func (m *BytesProto) String() string { return proto.CompactTextString(m) }
func (*BytesProto) ProtoMessage() {}
func (*BytesProto) Descriptor() ([]byte, []int) {
return fileDescriptor_api_base_9d49f8792e0c1140, []int{5}
}
func (m *BytesProto) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_BytesProto.Unmarshal(m, b)
}
func (m *BytesProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_BytesProto.Marshal(b, m, deterministic)
}
func (dst *BytesProto) XXX_Merge(src proto.Message) {
xxx_messageInfo_BytesProto.Merge(dst, src)
}
func (m *BytesProto) XXX_Size() int {
return xxx_messageInfo_BytesProto.Size(m)
}
func (m *BytesProto) XXX_DiscardUnknown() {
xxx_messageInfo_BytesProto.DiscardUnknown(m)
}
var xxx_messageInfo_BytesProto proto.InternalMessageInfo
func (m *BytesProto) GetValue() []byte {
if m != nil {
return m.Value
}
return nil
}
type VoidProto struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *VoidProto) Reset() { *m = VoidProto{} }
func (m *VoidProto) String() string { return proto.CompactTextString(m) }
func (*VoidProto) ProtoMessage() {}
func (*VoidProto) Descriptor() ([]byte, []int) {
return fileDescriptor_api_base_9d49f8792e0c1140, []int{6}
}
func (m *VoidProto) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_VoidProto.Unmarshal(m, b)
}
func (m *VoidProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_VoidProto.Marshal(b, m, deterministic)
}
func (dst *VoidProto) XXX_Merge(src proto.Message) {
xxx_messageInfo_VoidProto.Merge(dst, src)
}
func (m *VoidProto) XXX_Size() int {
return xxx_messageInfo_VoidProto.Size(m)
}
func (m *VoidProto) XXX_DiscardUnknown() {
xxx_messageInfo_VoidProto.DiscardUnknown(m)
}
var xxx_messageInfo_VoidProto proto.InternalMessageInfo
func init() {
proto.RegisterType((*StringProto)(nil), "appengine.base.StringProto")
proto.RegisterType((*Integer32Proto)(nil), "appengine.base.Integer32Proto")
proto.RegisterType((*Integer64Proto)(nil), "appengine.base.Integer64Proto")
proto.RegisterType((*BoolProto)(nil), "appengine.base.BoolProto")
proto.RegisterType((*DoubleProto)(nil), "appengine.base.DoubleProto")
proto.RegisterType((*BytesProto)(nil), "appengine.base.BytesProto")
proto.RegisterType((*VoidProto)(nil), "appengine.base.VoidProto")
}
func init() {
proto.RegisterFile("google.golang.org/appengine/internal/base/api_base.proto", fileDescriptor_api_base_9d49f8792e0c1140)
}
var fileDescriptor_api_base_9d49f8792e0c1140 = []byte{
// 199 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0xcf, 0x3f, 0x4b, 0xc6, 0x30,
0x10, 0x06, 0x70, 0x5a, 0xad, 0xb4, 0x57, 0xe9, 0x20, 0x0e, 0x1d, 0xb5, 0x05, 0x71, 0x4a, 0x40,
0x45, 0x9c, 0x83, 0x8b, 0x9b, 0x28, 0x38, 0xb8, 0x48, 0x8a, 0xc7, 0x11, 0x08, 0xb9, 0x90, 0xa6,
0x82, 0xdf, 0x5e, 0xda, 0xd2, 0xfa, 0xc2, 0x9b, 0xed, 0xfe, 0xfc, 0xe0, 0xe1, 0x81, 0x27, 0x62,
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0x37, 0x25, 0xea, 0x44, 0x01, 0x00, 0x00,
}

33
vendor/google.golang.org/appengine/internal/base/api_base.proto generated vendored Normal file
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@ -0,0 +1,33 @@
// Built-in base types for API calls. Primarily useful as return types.
syntax = "proto2";
option go_package = "base";
package appengine.base;
message StringProto {
required string value = 1;
}
message Integer32Proto {
required int32 value = 1;
}
message Integer64Proto {
required int64 value = 1;
}
message BoolProto {
required bool value = 1;
}
message DoubleProto {
required double value = 1;
}
message BytesProto {
required bytes value = 1 [ctype=CORD];
}
message VoidProto {
}

4367
vendor/google.golang.org/appengine/internal/datastore/datastore_v3.pb.go generated vendored Normal file
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syntax = "proto2";
option go_package = "datastore";
package appengine;
message Action{}
message PropertyValue {
optional int64 int64Value = 1;
optional bool booleanValue = 2;
optional string stringValue = 3;
optional double doubleValue = 4;
optional group PointValue = 5 {
required double x = 6;
required double y = 7;
}
optional group UserValue = 8 {
required string email = 9;
required string auth_domain = 10;
optional string nickname = 11;
optional string federated_identity = 21;
optional string federated_provider = 22;
}
optional group ReferenceValue = 12 {
required string app = 13;
optional string name_space = 20;
repeated group PathElement = 14 {
required string type = 15;
optional int64 id = 16;
optional string name = 17;
}
}
}
message Property {
enum Meaning {
NO_MEANING = 0;
BLOB = 14;
TEXT = 15;
BYTESTRING = 16;
ATOM_CATEGORY = 1;
ATOM_LINK = 2;
ATOM_TITLE = 3;
ATOM_CONTENT = 4;
ATOM_SUMMARY = 5;
ATOM_AUTHOR = 6;
GD_WHEN = 7;
GD_EMAIL = 8;
GEORSS_POINT = 9;
GD_IM = 10;
GD_PHONENUMBER = 11;
GD_POSTALADDRESS = 12;
GD_RATING = 13;
BLOBKEY = 17;
ENTITY_PROTO = 19;
INDEX_VALUE = 18;
};
optional Meaning meaning = 1 [default = NO_MEANING];
optional string meaning_uri = 2;
required string name = 3;
required PropertyValue value = 5;
required bool multiple = 4;
optional bool searchable = 6 [default=false];
enum FtsTokenizationOption {
HTML = 1;
ATOM = 2;
}
optional FtsTokenizationOption fts_tokenization_option = 8;
optional string locale = 9 [default = "en"];
}
message Path {
repeated group Element = 1 {
required string type = 2;
optional int64 id = 3;
optional string name = 4;
}
}
message Reference {
required string app = 13;
optional string name_space = 20;
required Path path = 14;
}
message User {
required string email = 1;
required string auth_domain = 2;
optional string nickname = 3;
optional string federated_identity = 6;
optional string federated_provider = 7;
}
message EntityProto {
required Reference key = 13;
required Path entity_group = 16;
optional User owner = 17;
enum Kind {
GD_CONTACT = 1;
GD_EVENT = 2;
GD_MESSAGE = 3;
}
optional Kind kind = 4;
optional string kind_uri = 5;
repeated Property property = 14;
repeated Property raw_property = 15;
optional int32 rank = 18;
}
message CompositeProperty {
required int64 index_id = 1;
repeated string value = 2;
}
message Index {
required string entity_type = 1;
required bool ancestor = 5;
repeated group Property = 2 {
required string name = 3;
enum Direction {
ASCENDING = 1;
DESCENDING = 2;
}
optional Direction direction = 4 [default = ASCENDING];
}
}
message CompositeIndex {
required string app_id = 1;
required int64 id = 2;
required Index definition = 3;
enum State {
WRITE_ONLY = 1;
READ_WRITE = 2;
DELETED = 3;
ERROR = 4;
}
required State state = 4;
optional bool only_use_if_required = 6 [default = false];
}
message IndexPostfix {
message IndexValue {
required string property_name = 1;
required PropertyValue value = 2;
}
repeated IndexValue index_value = 1;
optional Reference key = 2;
optional bool before = 3 [default=true];
}
message IndexPosition {
optional string key = 1;
optional bool before = 2 [default=true];
}
message Snapshot {
enum Status {
INACTIVE = 0;
ACTIVE = 1;
}
required int64 ts = 1;
}
message InternalHeader {
optional string qos = 1;
}
message Transaction {
optional InternalHeader header = 4;
required fixed64 handle = 1;
required string app = 2;
optional bool mark_changes = 3 [default = false];
}
message Query {
optional InternalHeader header = 39;
required string app = 1;
optional string name_space = 29;
optional string kind = 3;
optional Reference ancestor = 17;
repeated group Filter = 4 {
enum Operator {
LESS_THAN = 1;
LESS_THAN_OR_EQUAL = 2;
GREATER_THAN = 3;
GREATER_THAN_OR_EQUAL = 4;
EQUAL = 5;
IN = 6;
EXISTS = 7;
}
required Operator op = 6;
repeated Property property = 14;
}
optional string search_query = 8;
repeated group Order = 9 {
enum Direction {
ASCENDING = 1;
DESCENDING = 2;
}
required string property = 10;
optional Direction direction = 11 [default = ASCENDING];
}
enum Hint {
ORDER_FIRST = 1;
ANCESTOR_FIRST = 2;
FILTER_FIRST = 3;
}
optional Hint hint = 18;
optional int32 count = 23;
optional int32 offset = 12 [default = 0];
optional int32 limit = 16;
optional CompiledCursor compiled_cursor = 30;
optional CompiledCursor end_compiled_cursor = 31;
repeated CompositeIndex composite_index = 19;
optional bool require_perfect_plan = 20 [default = false];
optional bool keys_only = 21 [default = false];
optional Transaction transaction = 22;
optional bool compile = 25 [default = false];
optional int64 failover_ms = 26;
optional bool strong = 32;
repeated string property_name = 33;
repeated string group_by_property_name = 34;
optional bool distinct = 24;
optional int64 min_safe_time_seconds = 35;
repeated string safe_replica_name = 36;
optional bool persist_offset = 37 [default=false];
}
message CompiledQuery {
required group PrimaryScan = 1 {
optional string index_name = 2;
optional string start_key = 3;
optional bool start_inclusive = 4;
optional string end_key = 5;
optional bool end_inclusive = 6;
repeated string start_postfix_value = 22;
repeated string end_postfix_value = 23;
optional int64 end_unapplied_log_timestamp_us = 19;
}
repeated group MergeJoinScan = 7 {
required string index_name = 8;
repeated string prefix_value = 9;
optional bool value_prefix = 20 [default=false];
}
optional Index index_def = 21;
optional int32 offset = 10 [default = 0];
optional int32 limit = 11;
required bool keys_only = 12;
repeated string property_name = 24;
optional int32 distinct_infix_size = 25;
optional group EntityFilter = 13 {
optional bool distinct = 14 [default=false];
optional string kind = 17;
optional Reference ancestor = 18;
}
}
message CompiledCursor {
optional group Position = 2 {
optional string start_key = 27;
repeated group IndexValue = 29 {
optional string property = 30;
required PropertyValue value = 31;
}
optional Reference key = 32;
optional bool start_inclusive = 28 [default=true];
}
}
message Cursor {
required fixed64 cursor = 1;
optional string app = 2;
}
message Error {
enum ErrorCode {
BAD_REQUEST = 1;
CONCURRENT_TRANSACTION = 2;
INTERNAL_ERROR = 3;
NEED_INDEX = 4;
TIMEOUT = 5;
PERMISSION_DENIED = 6;
BIGTABLE_ERROR = 7;
COMMITTED_BUT_STILL_APPLYING = 8;
CAPABILITY_DISABLED = 9;
TRY_ALTERNATE_BACKEND = 10;
SAFE_TIME_TOO_OLD = 11;
}
}
message Cost {
optional int32 index_writes = 1;
optional int32 index_write_bytes = 2;
optional int32 entity_writes = 3;
optional int32 entity_write_bytes = 4;
optional group CommitCost = 5 {
optional int32 requested_entity_puts = 6;
optional int32 requested_entity_deletes = 7;
};
optional int32 approximate_storage_delta = 8;
optional int32 id_sequence_updates = 9;
}
message GetRequest {
optional InternalHeader header = 6;
repeated Reference key = 1;
optional Transaction transaction = 2;
optional int64 failover_ms = 3;
optional bool strong = 4;
optional bool allow_deferred = 5 [default=false];
}
message GetResponse {
repeated group Entity = 1 {
optional EntityProto entity = 2;
optional Reference key = 4;
optional int64 version = 3;
}
repeated Reference deferred = 5;
optional bool in_order = 6 [default=true];
}
message PutRequest {
optional InternalHeader header = 11;
repeated EntityProto entity = 1;
optional Transaction transaction = 2;
repeated CompositeIndex composite_index = 3;
optional bool trusted = 4 [default = false];
optional bool force = 7 [default = false];
optional bool mark_changes = 8 [default = false];
repeated Snapshot snapshot = 9;
enum AutoIdPolicy {
CURRENT = 0;
SEQUENTIAL = 1;
}
optional AutoIdPolicy auto_id_policy = 10 [default = CURRENT];
}
message PutResponse {
repeated Reference key = 1;
optional Cost cost = 2;
repeated int64 version = 3;
}
message TouchRequest {
optional InternalHeader header = 10;
repeated Reference key = 1;
repeated CompositeIndex composite_index = 2;
optional bool force = 3 [default = false];
repeated Snapshot snapshot = 9;
}
message TouchResponse {
optional Cost cost = 1;
}
message DeleteRequest {
optional InternalHeader header = 10;
repeated Reference key = 6;
optional Transaction transaction = 5;
optional bool trusted = 4 [default = false];
optional bool force = 7 [default = false];
optional bool mark_changes = 8 [default = false];
repeated Snapshot snapshot = 9;
}
message DeleteResponse {
optional Cost cost = 1;
repeated int64 version = 3;
}
message NextRequest {
optional InternalHeader header = 5;
required Cursor cursor = 1;
optional int32 count = 2;
optional int32 offset = 4 [default = 0];
optional bool compile = 3 [default = false];
}
message QueryResult {
optional Cursor cursor = 1;
repeated EntityProto result = 2;
optional int32 skipped_results = 7;
required bool more_results = 3;
optional bool keys_only = 4;
optional bool index_only = 9;
optional bool small_ops = 10;
optional CompiledQuery compiled_query = 5;
optional CompiledCursor compiled_cursor = 6;
repeated CompositeIndex index = 8;
repeated int64 version = 11;
}
message AllocateIdsRequest {
optional InternalHeader header = 4;
optional Reference model_key = 1;
optional int64 size = 2;
optional int64 max = 3;
repeated Reference reserve = 5;
}
message AllocateIdsResponse {
required int64 start = 1;
required int64 end = 2;
optional Cost cost = 3;
}
message CompositeIndices {
repeated CompositeIndex index = 1;
}
message AddActionsRequest {
optional InternalHeader header = 3;
required Transaction transaction = 1;
repeated Action action = 2;
}
message AddActionsResponse {
}
message BeginTransactionRequest {
optional InternalHeader header = 3;
required string app = 1;
optional bool allow_multiple_eg = 2 [default = false];
optional string database_id = 4;
enum TransactionMode {
UNKNOWN = 0;
READ_ONLY = 1;
READ_WRITE = 2;
}
optional TransactionMode mode = 5 [default = UNKNOWN];
optional Transaction previous_transaction = 7;
}
message CommitResponse {
optional Cost cost = 1;
repeated group Version = 3 {
required Reference root_entity_key = 4;
required int64 version = 5;
}
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package internal
import (
"os"
netcontext "golang.org/x/net/context"
)
var (
// This is set to true in identity_classic.go, which is behind the appengine build tag.
// The appengine build tag is set for the first generation runtimes (<= Go 1.9) but not
// the second generation runtimes (>= Go 1.11), so this indicates whether we're on a
// first-gen runtime. See IsStandard below for the second-gen check.
appengineStandard bool
// This is set to true in identity_flex.go, which is behind the appenginevm build tag.
appengineFlex bool
)
// AppID is the implementation of the wrapper function of the same name in
// ../identity.go. See that file for commentary.
func AppID(c netcontext.Context) string {
return appID(FullyQualifiedAppID(c))
}
// IsStandard is the implementation of the wrapper function of the same name in
// ../appengine.go. See that file for commentary.
func IsStandard() bool {
// appengineStandard will be true for first-gen runtimes (<= Go 1.9) but not
// second-gen (>= Go 1.11).
return appengineStandard || IsSecondGen()
}
// IsStandard is the implementation of the wrapper function of the same name in
// ../appengine.go. See that file for commentary.
func IsSecondGen() bool {
// Second-gen runtimes set $GAE_ENV so we use that to check if we're on a second-gen runtime.
return os.Getenv("GAE_ENV") == "standard"
}
// IsFlex is the implementation of the wrapper function of the same name in
// ../appengine.go. See that file for commentary.
func IsFlex() bool {
return appengineFlex
}
// IsAppEngine is the implementation of the wrapper function of the same name in
// ../appengine.go. See that file for commentary.
func IsAppEngine() bool {
return IsStandard() || IsFlex()
}

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// Copyright 2015 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build appengine
package internal
import (
"appengine"
netcontext "golang.org/x/net/context"
)
func init() {
appengineStandard = true
}
func DefaultVersionHostname(ctx netcontext.Context) string {
c := fromContext(ctx)
if c == nil {
panic(errNotAppEngineContext)
}
return appengine.DefaultVersionHostname(c)
}
func Datacenter(_ netcontext.Context) string { return appengine.Datacenter() }
func ServerSoftware() string { return appengine.ServerSoftware() }
func InstanceID() string { return appengine.InstanceID() }
func IsDevAppServer() bool { return appengine.IsDevAppServer() }
func RequestID(ctx netcontext.Context) string {
c := fromContext(ctx)
if c == nil {
panic(errNotAppEngineContext)
}
return appengine.RequestID(c)
}
func ModuleName(ctx netcontext.Context) string {
c := fromContext(ctx)
if c == nil {
panic(errNotAppEngineContext)
}
return appengine.ModuleName(c)
}
func VersionID(ctx netcontext.Context) string {
c := fromContext(ctx)
if c == nil {
panic(errNotAppEngineContext)
}
return appengine.VersionID(c)
}
func fullyQualifiedAppID(ctx netcontext.Context) string {
c := fromContext(ctx)
if c == nil {
panic(errNotAppEngineContext)
}
return c.FullyQualifiedAppID()
}

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// Copyright 2018 Google LLC. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build appenginevm
package internal
func init() {
appengineFlex = true
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build !appengine
package internal
import (
"log"
"net/http"
"os"
"strings"
netcontext "golang.org/x/net/context"
)
// These functions are implementations of the wrapper functions
// in ../appengine/identity.go. See that file for commentary.
const (
hDefaultVersionHostname = "X-AppEngine-Default-Version-Hostname"
hRequestLogId = "X-AppEngine-Request-Log-Id"
hDatacenter = "X-AppEngine-Datacenter"
)
func ctxHeaders(ctx netcontext.Context) http.Header {
c := fromContext(ctx)
if c == nil {
return nil
}
return c.Request().Header
}
func DefaultVersionHostname(ctx netcontext.Context) string {
return ctxHeaders(ctx).Get(hDefaultVersionHostname)
}
func RequestID(ctx netcontext.Context) string {
return ctxHeaders(ctx).Get(hRequestLogId)
}
func Datacenter(ctx netcontext.Context) string {
if dc := ctxHeaders(ctx).Get(hDatacenter); dc != "" {
return dc
}
// If the header isn't set, read zone from the metadata service.
// It has the format projects/[NUMERIC_PROJECT_ID]/zones/[ZONE]
zone, err := getMetadata("instance/zone")
if err != nil {
log.Printf("Datacenter: %v", err)
return ""
}
parts := strings.Split(string(zone), "/")
if len(parts) == 0 {
return ""
}
return parts[len(parts)-1]
}
func ServerSoftware() string {
// TODO(dsymonds): Remove fallback when we've verified this.
if s := os.Getenv("SERVER_SOFTWARE"); s != "" {
return s
}
if s := os.Getenv("GAE_ENV"); s != "" {
return s
}
return "Google App Engine/1.x.x"
}
// TODO(dsymonds): Remove the metadata fetches.
func ModuleName(_ netcontext.Context) string {
if s := os.Getenv("GAE_MODULE_NAME"); s != "" {
return s
}
if s := os.Getenv("GAE_SERVICE"); s != "" {
return s
}
return string(mustGetMetadata("instance/attributes/gae_backend_name"))
}
func VersionID(_ netcontext.Context) string {
if s1, s2 := os.Getenv("GAE_MODULE_VERSION"), os.Getenv("GAE_MINOR_VERSION"); s1 != "" && s2 != "" {
return s1 + "." + s2
}
if s1, s2 := os.Getenv("GAE_VERSION"), os.Getenv("GAE_DEPLOYMENT_ID"); s1 != "" && s2 != "" {
return s1 + "." + s2
}
return string(mustGetMetadata("instance/attributes/gae_backend_version")) + "." + string(mustGetMetadata("instance/attributes/gae_backend_minor_version"))
}
func InstanceID() string {
if s := os.Getenv("GAE_MODULE_INSTANCE"); s != "" {
return s
}
if s := os.Getenv("GAE_INSTANCE"); s != "" {
return s
}
return string(mustGetMetadata("instance/attributes/gae_backend_instance"))
}
func partitionlessAppID() string {
// gae_project has everything except the partition prefix.
if appID := os.Getenv("GAE_LONG_APP_ID"); appID != "" {
return appID
}
if project := os.Getenv("GOOGLE_CLOUD_PROJECT"); project != "" {
return project
}
return string(mustGetMetadata("instance/attributes/gae_project"))
}
func fullyQualifiedAppID(_ netcontext.Context) string {
if s := os.Getenv("GAE_APPLICATION"); s != "" {
return s
}
appID := partitionlessAppID()
part := os.Getenv("GAE_PARTITION")
if part == "" {
part = string(mustGetMetadata("instance/attributes/gae_partition"))
}
if part != "" {
appID = part + "~" + appID
}
return appID
}
func IsDevAppServer() bool {
return os.Getenv("RUN_WITH_DEVAPPSERVER") != ""
}

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// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// Package internal provides support for package appengine.
//
// Programs should not use this package directly. Its API is not stable.
// Use packages appengine and appengine/* instead.
package internal
import (
"fmt"
"github.com/golang/protobuf/proto"
remotepb "google.golang.org/appengine/internal/remote_api"
)
// errorCodeMaps is a map of service name to the error code map for the service.
var errorCodeMaps = make(map[string]map[int32]string)
// RegisterErrorCodeMap is called from API implementations to register their
// error code map. This should only be called from init functions.
func RegisterErrorCodeMap(service string, m map[int32]string) {
errorCodeMaps[service] = m
}
type timeoutCodeKey struct {
service string
code int32
}
// timeoutCodes is the set of service+code pairs that represent timeouts.
var timeoutCodes = make(map[timeoutCodeKey]bool)
func RegisterTimeoutErrorCode(service string, code int32) {
timeoutCodes[timeoutCodeKey{service, code}] = true
}
// APIError is the type returned by appengine.Context's Call method
// when an API call fails in an API-specific way. This may be, for instance,
// a taskqueue API call failing with TaskQueueServiceError::UNKNOWN_QUEUE.
type APIError struct {
Service string
Detail string
Code int32 // API-specific error code
}
func (e *APIError) Error() string {
if e.Code == 0 {
if e.Detail == "" {
return "APIError <empty>"
}
return e.Detail
}
s := fmt.Sprintf("API error %d", e.Code)
if m, ok := errorCodeMaps[e.Service]; ok {
s += " (" + e.Service + ": " + m[e.Code] + ")"
} else {
// Shouldn't happen, but provide a bit more detail if it does.
s = e.Service + " " + s
}
if e.Detail != "" {
s += ": " + e.Detail
}
return s
}
func (e *APIError) IsTimeout() bool {
return timeoutCodes[timeoutCodeKey{e.Service, e.Code}]
}
// CallError is the type returned by appengine.Context's Call method when an
// API call fails in a generic way, such as RpcError::CAPABILITY_DISABLED.
type CallError struct {
Detail string
Code int32
// TODO: Remove this if we get a distinguishable error code.
Timeout bool
}
func (e *CallError) Error() string {
var msg string
switch remotepb.RpcError_ErrorCode(e.Code) {
case remotepb.RpcError_UNKNOWN:
return e.Detail
case remotepb.RpcError_OVER_QUOTA:
msg = "Over quota"
case remotepb.RpcError_CAPABILITY_DISABLED:
msg = "Capability disabled"
case remotepb.RpcError_CANCELLED:
msg = "Canceled"
default:
msg = fmt.Sprintf("Call error %d", e.Code)
}
s := msg + ": " + e.Detail
if e.Timeout {
s += " (timeout)"
}
return s
}
func (e *CallError) IsTimeout() bool {
return e.Timeout
}
// NamespaceMods is a map from API service to a function that will mutate an RPC request to attach a namespace.
// The function should be prepared to be called on the same message more than once; it should only modify the
// RPC request the first time.
var NamespaceMods = make(map[string]func(m proto.Message, namespace string))

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syntax = "proto2";
option go_package = "log";
package appengine;
message LogServiceError {
enum ErrorCode {
OK = 0;
INVALID_REQUEST = 1;
STORAGE_ERROR = 2;
}
}
message UserAppLogLine {
required int64 timestamp_usec = 1;
required int64 level = 2;
required string message = 3;
}
message UserAppLogGroup {
repeated UserAppLogLine log_line = 2;
}
message FlushRequest {
optional bytes logs = 1;
}
message SetStatusRequest {
required string status = 1;
}
message LogOffset {
optional bytes request_id = 1;
}
message LogLine {
required int64 time = 1;
required int32 level = 2;
required string log_message = 3;
}
message RequestLog {
required string app_id = 1;
optional string module_id = 37 [default="default"];
required string version_id = 2;
required bytes request_id = 3;
optional LogOffset offset = 35;
required string ip = 4;
optional string nickname = 5;
required int64 start_time = 6;
required int64 end_time = 7;
required int64 latency = 8;
required int64 mcycles = 9;
required string method = 10;
required string resource = 11;
required string http_version = 12;
required int32 status = 13;
required int64 response_size = 14;
optional string referrer = 15;
optional string user_agent = 16;
required string url_map_entry = 17;
required string combined = 18;
optional int64 api_mcycles = 19;
optional string host = 20;
optional double cost = 21;
optional string task_queue_name = 22;
optional string task_name = 23;
optional bool was_loading_request = 24;
optional int64 pending_time = 25;
optional int32 replica_index = 26 [default = -1];
optional bool finished = 27 [default = true];
optional bytes clone_key = 28;
repeated LogLine line = 29;
optional bool lines_incomplete = 36;
optional bytes app_engine_release = 38;
optional int32 exit_reason = 30;
optional bool was_throttled_for_time = 31;
optional bool was_throttled_for_requests = 32;
optional int64 throttled_time = 33;
optional bytes server_name = 34;
}
message LogModuleVersion {
optional string module_id = 1 [default="default"];
optional string version_id = 2;
}
message LogReadRequest {
required string app_id = 1;
repeated string version_id = 2;
repeated LogModuleVersion module_version = 19;
optional int64 start_time = 3;
optional int64 end_time = 4;
optional LogOffset offset = 5;
repeated bytes request_id = 6;
optional int32 minimum_log_level = 7;
optional bool include_incomplete = 8;
optional int64 count = 9;
optional string combined_log_regex = 14;
optional string host_regex = 15;
optional int32 replica_index = 16;
optional bool include_app_logs = 10;
optional int32 app_logs_per_request = 17;
optional bool include_host = 11;
optional bool include_all = 12;
optional bool cache_iterator = 13;
optional int32 num_shards = 18;
}
message LogReadResponse {
repeated RequestLog log = 1;
optional LogOffset offset = 2;
optional int64 last_end_time = 3;
}
message LogUsageRecord {
optional string version_id = 1;
optional int32 start_time = 2;
optional int32 end_time = 3;
optional int64 count = 4;
optional int64 total_size = 5;
optional int32 records = 6;
}
message LogUsageRequest {
required string app_id = 1;
repeated string version_id = 2;
optional int32 start_time = 3;
optional int32 end_time = 4;
optional uint32 resolution_hours = 5 [default = 1];
optional bool combine_versions = 6;
optional int32 usage_version = 7;
optional bool versions_only = 8;
}
message LogUsageResponse {
repeated LogUsageRecord usage = 1;
optional LogUsageRecord summary = 2;
}

16
vendor/google.golang.org/appengine/internal/main.go generated vendored Normal file
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@ -0,0 +1,16 @@
// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build appengine
package internal
import (
"appengine_internal"
)
func Main() {
MainPath = ""
appengine_internal.Main()
}

7
vendor/google.golang.org/appengine/internal/main_common.go generated vendored Normal file
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@ -0,0 +1,7 @@
package internal
// MainPath stores the file path of the main package. On App Engine Standard
// using Go version 1.9 and below, this will be unset. On App Engine Flex and
// App Engine Standard second-gen (Go 1.11 and above), this will be the
// filepath to package main.
var MainPath string

69
vendor/google.golang.org/appengine/internal/main_vm.go generated vendored Normal file
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@ -0,0 +1,69 @@
// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// +build !appengine
package internal
import (
"io"
"log"
"net/http"
"net/url"
"os"
"path/filepath"
"runtime"
)
func Main() {
MainPath = filepath.Dir(findMainPath())
installHealthChecker(http.DefaultServeMux)
port := "8080"
if s := os.Getenv("PORT"); s != "" {
port = s
}
host := ""
if IsDevAppServer() {
host = "127.0.0.1"
}
if err := http.ListenAndServe(host+":"+port, http.HandlerFunc(handleHTTP)); err != nil {
log.Fatalf("http.ListenAndServe: %v", err)
}
}
// Find the path to package main by looking at the root Caller.
func findMainPath() string {
pc := make([]uintptr, 100)
n := runtime.Callers(2, pc)
frames := runtime.CallersFrames(pc[:n])
for {
frame, more := frames.Next()
// Tests won't have package main, instead they have testing.tRunner
if frame.Function == "main.main" || frame.Function == "testing.tRunner" {
return frame.File
}
if !more {
break
}
}
return ""
}
func installHealthChecker(mux *http.ServeMux) {
// If no health check handler has been installed by this point, add a trivial one.
const healthPath = "/_ah/health"
hreq := &http.Request{
Method: "GET",
URL: &url.URL{
Path: healthPath,
},
}
if _, pat := mux.Handler(hreq); pat != healthPath {
mux.HandleFunc(healthPath, func(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, "ok")
})
}
}

60
vendor/google.golang.org/appengine/internal/metadata.go generated vendored Normal file
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@ -0,0 +1,60 @@
// Copyright 2014 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package internal
// This file has code for accessing metadata.
//
// References:
// https://cloud.google.com/compute/docs/metadata
import (
"fmt"
"io/ioutil"
"net/http"
"net/url"
)
const (
metadataHost = "metadata"
metadataPath = "/computeMetadata/v1/"
)
var (
metadataRequestHeaders = http.Header{
"Metadata-Flavor": []string{"Google"},
}
)
// TODO(dsymonds): Do we need to support default values, like Python?
func mustGetMetadata(key string) []byte {
b, err := getMetadata(key)
if err != nil {
panic(fmt.Sprintf("Metadata fetch failed for '%s': %v", key, err))
}
return b
}
func getMetadata(key string) ([]byte, error) {
// TODO(dsymonds): May need to use url.Parse to support keys with query args.
req := &http.Request{
Method: "GET",
URL: &url.URL{
Scheme: "http",
Host: metadataHost,
Path: metadataPath + key,
},
Header: metadataRequestHeaders,
Host: metadataHost,
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("metadata server returned HTTP %d", resp.StatusCode)
}
return ioutil.ReadAll(resp.Body)
}

786
vendor/google.golang.org/appengine/internal/modules/modules_service.pb.go generated vendored Normal file
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@ -0,0 +1,786 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: google.golang.org/appengine/internal/modules/modules_service.proto
package modules
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
type ModulesServiceError_ErrorCode int32
const (
ModulesServiceError_OK ModulesServiceError_ErrorCode = 0
ModulesServiceError_INVALID_MODULE ModulesServiceError_ErrorCode = 1
ModulesServiceError_INVALID_VERSION ModulesServiceError_ErrorCode = 2
ModulesServiceError_INVALID_INSTANCES ModulesServiceError_ErrorCode = 3
ModulesServiceError_TRANSIENT_ERROR ModulesServiceError_ErrorCode = 4
ModulesServiceError_UNEXPECTED_STATE ModulesServiceError_ErrorCode = 5
)
var ModulesServiceError_ErrorCode_name = map[int32]string{
0: "OK",
1: "INVALID_MODULE",
2: "INVALID_VERSION",
3: "INVALID_INSTANCES",
4: "TRANSIENT_ERROR",
5: "UNEXPECTED_STATE",
}
var ModulesServiceError_ErrorCode_value = map[string]int32{
"OK": 0,
"INVALID_MODULE": 1,
"INVALID_VERSION": 2,
"INVALID_INSTANCES": 3,
"TRANSIENT_ERROR": 4,
"UNEXPECTED_STATE": 5,
}
func (x ModulesServiceError_ErrorCode) Enum() *ModulesServiceError_ErrorCode {
p := new(ModulesServiceError_ErrorCode)
*p = x
return p
}
func (x ModulesServiceError_ErrorCode) String() string {
return proto.EnumName(ModulesServiceError_ErrorCode_name, int32(x))
}
func (x *ModulesServiceError_ErrorCode) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(ModulesServiceError_ErrorCode_value, data, "ModulesServiceError_ErrorCode")
if err != nil {
return err
}
*x = ModulesServiceError_ErrorCode(value)
return nil
}
func (ModulesServiceError_ErrorCode) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{0, 0}
}
type ModulesServiceError struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *ModulesServiceError) Reset() { *m = ModulesServiceError{} }
func (m *ModulesServiceError) String() string { return proto.CompactTextString(m) }
func (*ModulesServiceError) ProtoMessage() {}
func (*ModulesServiceError) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{0}
}
func (m *ModulesServiceError) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ModulesServiceError.Unmarshal(m, b)
}
func (m *ModulesServiceError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ModulesServiceError.Marshal(b, m, deterministic)
}
func (dst *ModulesServiceError) XXX_Merge(src proto.Message) {
xxx_messageInfo_ModulesServiceError.Merge(dst, src)
}
func (m *ModulesServiceError) XXX_Size() int {
return xxx_messageInfo_ModulesServiceError.Size(m)
}
func (m *ModulesServiceError) XXX_DiscardUnknown() {
xxx_messageInfo_ModulesServiceError.DiscardUnknown(m)
}
var xxx_messageInfo_ModulesServiceError proto.InternalMessageInfo
type GetModulesRequest struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetModulesRequest) Reset() { *m = GetModulesRequest{} }
func (m *GetModulesRequest) String() string { return proto.CompactTextString(m) }
func (*GetModulesRequest) ProtoMessage() {}
func (*GetModulesRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{1}
}
func (m *GetModulesRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetModulesRequest.Unmarshal(m, b)
}
func (m *GetModulesRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetModulesRequest.Marshal(b, m, deterministic)
}
func (dst *GetModulesRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetModulesRequest.Merge(dst, src)
}
func (m *GetModulesRequest) XXX_Size() int {
return xxx_messageInfo_GetModulesRequest.Size(m)
}
func (m *GetModulesRequest) XXX_DiscardUnknown() {
xxx_messageInfo_GetModulesRequest.DiscardUnknown(m)
}
var xxx_messageInfo_GetModulesRequest proto.InternalMessageInfo
type GetModulesResponse struct {
Module []string `protobuf:"bytes,1,rep,name=module" json:"module,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetModulesResponse) Reset() { *m = GetModulesResponse{} }
func (m *GetModulesResponse) String() string { return proto.CompactTextString(m) }
func (*GetModulesResponse) ProtoMessage() {}
func (*GetModulesResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{2}
}
func (m *GetModulesResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetModulesResponse.Unmarshal(m, b)
}
func (m *GetModulesResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetModulesResponse.Marshal(b, m, deterministic)
}
func (dst *GetModulesResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetModulesResponse.Merge(dst, src)
}
func (m *GetModulesResponse) XXX_Size() int {
return xxx_messageInfo_GetModulesResponse.Size(m)
}
func (m *GetModulesResponse) XXX_DiscardUnknown() {
xxx_messageInfo_GetModulesResponse.DiscardUnknown(m)
}
var xxx_messageInfo_GetModulesResponse proto.InternalMessageInfo
func (m *GetModulesResponse) GetModule() []string {
if m != nil {
return m.Module
}
return nil
}
type GetVersionsRequest struct {
Module *string `protobuf:"bytes,1,opt,name=module" json:"module,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetVersionsRequest) Reset() { *m = GetVersionsRequest{} }
func (m *GetVersionsRequest) String() string { return proto.CompactTextString(m) }
func (*GetVersionsRequest) ProtoMessage() {}
func (*GetVersionsRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{3}
}
func (m *GetVersionsRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetVersionsRequest.Unmarshal(m, b)
}
func (m *GetVersionsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetVersionsRequest.Marshal(b, m, deterministic)
}
func (dst *GetVersionsRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetVersionsRequest.Merge(dst, src)
}
func (m *GetVersionsRequest) XXX_Size() int {
return xxx_messageInfo_GetVersionsRequest.Size(m)
}
func (m *GetVersionsRequest) XXX_DiscardUnknown() {
xxx_messageInfo_GetVersionsRequest.DiscardUnknown(m)
}
var xxx_messageInfo_GetVersionsRequest proto.InternalMessageInfo
func (m *GetVersionsRequest) GetModule() string {
if m != nil && m.Module != nil {
return *m.Module
}
return ""
}
type GetVersionsResponse struct {
Version []string `protobuf:"bytes,1,rep,name=version" json:"version,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetVersionsResponse) Reset() { *m = GetVersionsResponse{} }
func (m *GetVersionsResponse) String() string { return proto.CompactTextString(m) }
func (*GetVersionsResponse) ProtoMessage() {}
func (*GetVersionsResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{4}
}
func (m *GetVersionsResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetVersionsResponse.Unmarshal(m, b)
}
func (m *GetVersionsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetVersionsResponse.Marshal(b, m, deterministic)
}
func (dst *GetVersionsResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetVersionsResponse.Merge(dst, src)
}
func (m *GetVersionsResponse) XXX_Size() int {
return xxx_messageInfo_GetVersionsResponse.Size(m)
}
func (m *GetVersionsResponse) XXX_DiscardUnknown() {
xxx_messageInfo_GetVersionsResponse.DiscardUnknown(m)
}
var xxx_messageInfo_GetVersionsResponse proto.InternalMessageInfo
func (m *GetVersionsResponse) GetVersion() []string {
if m != nil {
return m.Version
}
return nil
}
type GetDefaultVersionRequest struct {
Module *string `protobuf:"bytes,1,opt,name=module" json:"module,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetDefaultVersionRequest) Reset() { *m = GetDefaultVersionRequest{} }
func (m *GetDefaultVersionRequest) String() string { return proto.CompactTextString(m) }
func (*GetDefaultVersionRequest) ProtoMessage() {}
func (*GetDefaultVersionRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{5}
}
func (m *GetDefaultVersionRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetDefaultVersionRequest.Unmarshal(m, b)
}
func (m *GetDefaultVersionRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetDefaultVersionRequest.Marshal(b, m, deterministic)
}
func (dst *GetDefaultVersionRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetDefaultVersionRequest.Merge(dst, src)
}
func (m *GetDefaultVersionRequest) XXX_Size() int {
return xxx_messageInfo_GetDefaultVersionRequest.Size(m)
}
func (m *GetDefaultVersionRequest) XXX_DiscardUnknown() {
xxx_messageInfo_GetDefaultVersionRequest.DiscardUnknown(m)
}
var xxx_messageInfo_GetDefaultVersionRequest proto.InternalMessageInfo
func (m *GetDefaultVersionRequest) GetModule() string {
if m != nil && m.Module != nil {
return *m.Module
}
return ""
}
type GetDefaultVersionResponse struct {
Version *string `protobuf:"bytes,1,req,name=version" json:"version,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetDefaultVersionResponse) Reset() { *m = GetDefaultVersionResponse{} }
func (m *GetDefaultVersionResponse) String() string { return proto.CompactTextString(m) }
func (*GetDefaultVersionResponse) ProtoMessage() {}
func (*GetDefaultVersionResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{6}
}
func (m *GetDefaultVersionResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetDefaultVersionResponse.Unmarshal(m, b)
}
func (m *GetDefaultVersionResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetDefaultVersionResponse.Marshal(b, m, deterministic)
}
func (dst *GetDefaultVersionResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetDefaultVersionResponse.Merge(dst, src)
}
func (m *GetDefaultVersionResponse) XXX_Size() int {
return xxx_messageInfo_GetDefaultVersionResponse.Size(m)
}
func (m *GetDefaultVersionResponse) XXX_DiscardUnknown() {
xxx_messageInfo_GetDefaultVersionResponse.DiscardUnknown(m)
}
var xxx_messageInfo_GetDefaultVersionResponse proto.InternalMessageInfo
func (m *GetDefaultVersionResponse) GetVersion() string {
if m != nil && m.Version != nil {
return *m.Version
}
return ""
}
type GetNumInstancesRequest struct {
Module *string `protobuf:"bytes,1,opt,name=module" json:"module,omitempty"`
Version *string `protobuf:"bytes,2,opt,name=version" json:"version,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetNumInstancesRequest) Reset() { *m = GetNumInstancesRequest{} }
func (m *GetNumInstancesRequest) String() string { return proto.CompactTextString(m) }
func (*GetNumInstancesRequest) ProtoMessage() {}
func (*GetNumInstancesRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{7}
}
func (m *GetNumInstancesRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetNumInstancesRequest.Unmarshal(m, b)
}
func (m *GetNumInstancesRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetNumInstancesRequest.Marshal(b, m, deterministic)
}
func (dst *GetNumInstancesRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetNumInstancesRequest.Merge(dst, src)
}
func (m *GetNumInstancesRequest) XXX_Size() int {
return xxx_messageInfo_GetNumInstancesRequest.Size(m)
}
func (m *GetNumInstancesRequest) XXX_DiscardUnknown() {
xxx_messageInfo_GetNumInstancesRequest.DiscardUnknown(m)
}
var xxx_messageInfo_GetNumInstancesRequest proto.InternalMessageInfo
func (m *GetNumInstancesRequest) GetModule() string {
if m != nil && m.Module != nil {
return *m.Module
}
return ""
}
func (m *GetNumInstancesRequest) GetVersion() string {
if m != nil && m.Version != nil {
return *m.Version
}
return ""
}
type GetNumInstancesResponse struct {
Instances *int64 `protobuf:"varint,1,req,name=instances" json:"instances,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetNumInstancesResponse) Reset() { *m = GetNumInstancesResponse{} }
func (m *GetNumInstancesResponse) String() string { return proto.CompactTextString(m) }
func (*GetNumInstancesResponse) ProtoMessage() {}
func (*GetNumInstancesResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{8}
}
func (m *GetNumInstancesResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetNumInstancesResponse.Unmarshal(m, b)
}
func (m *GetNumInstancesResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetNumInstancesResponse.Marshal(b, m, deterministic)
}
func (dst *GetNumInstancesResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetNumInstancesResponse.Merge(dst, src)
}
func (m *GetNumInstancesResponse) XXX_Size() int {
return xxx_messageInfo_GetNumInstancesResponse.Size(m)
}
func (m *GetNumInstancesResponse) XXX_DiscardUnknown() {
xxx_messageInfo_GetNumInstancesResponse.DiscardUnknown(m)
}
var xxx_messageInfo_GetNumInstancesResponse proto.InternalMessageInfo
func (m *GetNumInstancesResponse) GetInstances() int64 {
if m != nil && m.Instances != nil {
return *m.Instances
}
return 0
}
type SetNumInstancesRequest struct {
Module *string `protobuf:"bytes,1,opt,name=module" json:"module,omitempty"`
Version *string `protobuf:"bytes,2,opt,name=version" json:"version,omitempty"`
Instances *int64 `protobuf:"varint,3,req,name=instances" json:"instances,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *SetNumInstancesRequest) Reset() { *m = SetNumInstancesRequest{} }
func (m *SetNumInstancesRequest) String() string { return proto.CompactTextString(m) }
func (*SetNumInstancesRequest) ProtoMessage() {}
func (*SetNumInstancesRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{9}
}
func (m *SetNumInstancesRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_SetNumInstancesRequest.Unmarshal(m, b)
}
func (m *SetNumInstancesRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_SetNumInstancesRequest.Marshal(b, m, deterministic)
}
func (dst *SetNumInstancesRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_SetNumInstancesRequest.Merge(dst, src)
}
func (m *SetNumInstancesRequest) XXX_Size() int {
return xxx_messageInfo_SetNumInstancesRequest.Size(m)
}
func (m *SetNumInstancesRequest) XXX_DiscardUnknown() {
xxx_messageInfo_SetNumInstancesRequest.DiscardUnknown(m)
}
var xxx_messageInfo_SetNumInstancesRequest proto.InternalMessageInfo
func (m *SetNumInstancesRequest) GetModule() string {
if m != nil && m.Module != nil {
return *m.Module
}
return ""
}
func (m *SetNumInstancesRequest) GetVersion() string {
if m != nil && m.Version != nil {
return *m.Version
}
return ""
}
func (m *SetNumInstancesRequest) GetInstances() int64 {
if m != nil && m.Instances != nil {
return *m.Instances
}
return 0
}
type SetNumInstancesResponse struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *SetNumInstancesResponse) Reset() { *m = SetNumInstancesResponse{} }
func (m *SetNumInstancesResponse) String() string { return proto.CompactTextString(m) }
func (*SetNumInstancesResponse) ProtoMessage() {}
func (*SetNumInstancesResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{10}
}
func (m *SetNumInstancesResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_SetNumInstancesResponse.Unmarshal(m, b)
}
func (m *SetNumInstancesResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_SetNumInstancesResponse.Marshal(b, m, deterministic)
}
func (dst *SetNumInstancesResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_SetNumInstancesResponse.Merge(dst, src)
}
func (m *SetNumInstancesResponse) XXX_Size() int {
return xxx_messageInfo_SetNumInstancesResponse.Size(m)
}
func (m *SetNumInstancesResponse) XXX_DiscardUnknown() {
xxx_messageInfo_SetNumInstancesResponse.DiscardUnknown(m)
}
var xxx_messageInfo_SetNumInstancesResponse proto.InternalMessageInfo
type StartModuleRequest struct {
Module *string `protobuf:"bytes,1,req,name=module" json:"module,omitempty"`
Version *string `protobuf:"bytes,2,req,name=version" json:"version,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *StartModuleRequest) Reset() { *m = StartModuleRequest{} }
func (m *StartModuleRequest) String() string { return proto.CompactTextString(m) }
func (*StartModuleRequest) ProtoMessage() {}
func (*StartModuleRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{11}
}
func (m *StartModuleRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_StartModuleRequest.Unmarshal(m, b)
}
func (m *StartModuleRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_StartModuleRequest.Marshal(b, m, deterministic)
}
func (dst *StartModuleRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_StartModuleRequest.Merge(dst, src)
}
func (m *StartModuleRequest) XXX_Size() int {
return xxx_messageInfo_StartModuleRequest.Size(m)
}
func (m *StartModuleRequest) XXX_DiscardUnknown() {
xxx_messageInfo_StartModuleRequest.DiscardUnknown(m)
}
var xxx_messageInfo_StartModuleRequest proto.InternalMessageInfo
func (m *StartModuleRequest) GetModule() string {
if m != nil && m.Module != nil {
return *m.Module
}
return ""
}
func (m *StartModuleRequest) GetVersion() string {
if m != nil && m.Version != nil {
return *m.Version
}
return ""
}
type StartModuleResponse struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *StartModuleResponse) Reset() { *m = StartModuleResponse{} }
func (m *StartModuleResponse) String() string { return proto.CompactTextString(m) }
func (*StartModuleResponse) ProtoMessage() {}
func (*StartModuleResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{12}
}
func (m *StartModuleResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_StartModuleResponse.Unmarshal(m, b)
}
func (m *StartModuleResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_StartModuleResponse.Marshal(b, m, deterministic)
}
func (dst *StartModuleResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_StartModuleResponse.Merge(dst, src)
}
func (m *StartModuleResponse) XXX_Size() int {
return xxx_messageInfo_StartModuleResponse.Size(m)
}
func (m *StartModuleResponse) XXX_DiscardUnknown() {
xxx_messageInfo_StartModuleResponse.DiscardUnknown(m)
}
var xxx_messageInfo_StartModuleResponse proto.InternalMessageInfo
type StopModuleRequest struct {
Module *string `protobuf:"bytes,1,opt,name=module" json:"module,omitempty"`
Version *string `protobuf:"bytes,2,opt,name=version" json:"version,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *StopModuleRequest) Reset() { *m = StopModuleRequest{} }
func (m *StopModuleRequest) String() string { return proto.CompactTextString(m) }
func (*StopModuleRequest) ProtoMessage() {}
func (*StopModuleRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{13}
}
func (m *StopModuleRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_StopModuleRequest.Unmarshal(m, b)
}
func (m *StopModuleRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_StopModuleRequest.Marshal(b, m, deterministic)
}
func (dst *StopModuleRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_StopModuleRequest.Merge(dst, src)
}
func (m *StopModuleRequest) XXX_Size() int {
return xxx_messageInfo_StopModuleRequest.Size(m)
}
func (m *StopModuleRequest) XXX_DiscardUnknown() {
xxx_messageInfo_StopModuleRequest.DiscardUnknown(m)
}
var xxx_messageInfo_StopModuleRequest proto.InternalMessageInfo
func (m *StopModuleRequest) GetModule() string {
if m != nil && m.Module != nil {
return *m.Module
}
return ""
}
func (m *StopModuleRequest) GetVersion() string {
if m != nil && m.Version != nil {
return *m.Version
}
return ""
}
type StopModuleResponse struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *StopModuleResponse) Reset() { *m = StopModuleResponse{} }
func (m *StopModuleResponse) String() string { return proto.CompactTextString(m) }
func (*StopModuleResponse) ProtoMessage() {}
func (*StopModuleResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{14}
}
func (m *StopModuleResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_StopModuleResponse.Unmarshal(m, b)
}
func (m *StopModuleResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_StopModuleResponse.Marshal(b, m, deterministic)
}
func (dst *StopModuleResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_StopModuleResponse.Merge(dst, src)
}
func (m *StopModuleResponse) XXX_Size() int {
return xxx_messageInfo_StopModuleResponse.Size(m)
}
func (m *StopModuleResponse) XXX_DiscardUnknown() {
xxx_messageInfo_StopModuleResponse.DiscardUnknown(m)
}
var xxx_messageInfo_StopModuleResponse proto.InternalMessageInfo
type GetHostnameRequest struct {
Module *string `protobuf:"bytes,1,opt,name=module" json:"module,omitempty"`
Version *string `protobuf:"bytes,2,opt,name=version" json:"version,omitempty"`
Instance *string `protobuf:"bytes,3,opt,name=instance" json:"instance,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetHostnameRequest) Reset() { *m = GetHostnameRequest{} }
func (m *GetHostnameRequest) String() string { return proto.CompactTextString(m) }
func (*GetHostnameRequest) ProtoMessage() {}
func (*GetHostnameRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{15}
}
func (m *GetHostnameRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetHostnameRequest.Unmarshal(m, b)
}
func (m *GetHostnameRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetHostnameRequest.Marshal(b, m, deterministic)
}
func (dst *GetHostnameRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetHostnameRequest.Merge(dst, src)
}
func (m *GetHostnameRequest) XXX_Size() int {
return xxx_messageInfo_GetHostnameRequest.Size(m)
}
func (m *GetHostnameRequest) XXX_DiscardUnknown() {
xxx_messageInfo_GetHostnameRequest.DiscardUnknown(m)
}
var xxx_messageInfo_GetHostnameRequest proto.InternalMessageInfo
func (m *GetHostnameRequest) GetModule() string {
if m != nil && m.Module != nil {
return *m.Module
}
return ""
}
func (m *GetHostnameRequest) GetVersion() string {
if m != nil && m.Version != nil {
return *m.Version
}
return ""
}
func (m *GetHostnameRequest) GetInstance() string {
if m != nil && m.Instance != nil {
return *m.Instance
}
return ""
}
type GetHostnameResponse struct {
Hostname *string `protobuf:"bytes,1,req,name=hostname" json:"hostname,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *GetHostnameResponse) Reset() { *m = GetHostnameResponse{} }
func (m *GetHostnameResponse) String() string { return proto.CompactTextString(m) }
func (*GetHostnameResponse) ProtoMessage() {}
func (*GetHostnameResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_modules_service_9cd3bffe4e91c59a, []int{16}
}
func (m *GetHostnameResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GetHostnameResponse.Unmarshal(m, b)
}
func (m *GetHostnameResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GetHostnameResponse.Marshal(b, m, deterministic)
}
func (dst *GetHostnameResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_GetHostnameResponse.Merge(dst, src)
}
func (m *GetHostnameResponse) XXX_Size() int {
return xxx_messageInfo_GetHostnameResponse.Size(m)
}
func (m *GetHostnameResponse) XXX_DiscardUnknown() {
xxx_messageInfo_GetHostnameResponse.DiscardUnknown(m)
}
var xxx_messageInfo_GetHostnameResponse proto.InternalMessageInfo
func (m *GetHostnameResponse) GetHostname() string {
if m != nil && m.Hostname != nil {
return *m.Hostname
}
return ""
}
func init() {
proto.RegisterType((*ModulesServiceError)(nil), "appengine.ModulesServiceError")
proto.RegisterType((*GetModulesRequest)(nil), "appengine.GetModulesRequest")
proto.RegisterType((*GetModulesResponse)(nil), "appengine.GetModulesResponse")
proto.RegisterType((*GetVersionsRequest)(nil), "appengine.GetVersionsRequest")
proto.RegisterType((*GetVersionsResponse)(nil), "appengine.GetVersionsResponse")
proto.RegisterType((*GetDefaultVersionRequest)(nil), "appengine.GetDefaultVersionRequest")
proto.RegisterType((*GetDefaultVersionResponse)(nil), "appengine.GetDefaultVersionResponse")
proto.RegisterType((*GetNumInstancesRequest)(nil), "appengine.GetNumInstancesRequest")
proto.RegisterType((*GetNumInstancesResponse)(nil), "appengine.GetNumInstancesResponse")
proto.RegisterType((*SetNumInstancesRequest)(nil), "appengine.SetNumInstancesRequest")
proto.RegisterType((*SetNumInstancesResponse)(nil), "appengine.SetNumInstancesResponse")
proto.RegisterType((*StartModuleRequest)(nil), "appengine.StartModuleRequest")
proto.RegisterType((*StartModuleResponse)(nil), "appengine.StartModuleResponse")
proto.RegisterType((*StopModuleRequest)(nil), "appengine.StopModuleRequest")
proto.RegisterType((*StopModuleResponse)(nil), "appengine.StopModuleResponse")
proto.RegisterType((*GetHostnameRequest)(nil), "appengine.GetHostnameRequest")
proto.RegisterType((*GetHostnameResponse)(nil), "appengine.GetHostnameResponse")
}
func init() {
proto.RegisterFile("google.golang.org/appengine/internal/modules/modules_service.proto", fileDescriptor_modules_service_9cd3bffe4e91c59a)
}
var fileDescriptor_modules_service_9cd3bffe4e91c59a = []byte{
// 457 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x94, 0xc1, 0x6f, 0xd3, 0x30,
0x14, 0xc6, 0x69, 0x02, 0xdb, 0xf2, 0x0e, 0x90, 0x3a, 0x5b, 0xd7, 0x4d, 0x1c, 0x50, 0x4e, 0x1c,
0x50, 0x2b, 0x90, 0x10, 0xe7, 0xae, 0x35, 0x25, 0xb0, 0xa5, 0x28, 0xce, 0x2a, 0xc4, 0xa5, 0x0a,
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0x81, 0x4e, 0x45, 0x68, 0xa7, 0xe4, 0x7d, 0xfe, 0xfc, 0x7b, 0x9f, 0x5f, 0xac, 0xc0, 0x59, 0x2e,
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0xc1, 0xb1, 0x5f, 0x70, 0x8d, 0x92, 0x67, 0x65, 0x7f, 0x2e, 0xae, 0x17, 0x25, 0x2a, 0xfb, 0x9c,
0x29, 0x94, 0xb7, 0xc5, 0x15, 0xf6, 0x2a, 0x29, 0xb4, 0x20, 0xde, 0x6a, 0x47, 0xf8, 0xab, 0x05,
0xc1, 0xc5, 0xd2, 0xc4, 0x96, 0x1e, 0x2a, 0xa5, 0x90, 0xe1, 0x4f, 0xf0, 0xea, 0x97, 0xa1, 0xb8,
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}

80
vendor/google.golang.org/appengine/internal/modules/modules_service.proto generated vendored Normal file
View File

@ -0,0 +1,80 @@
syntax = "proto2";
option go_package = "modules";
package appengine;
message ModulesServiceError {
enum ErrorCode {
OK = 0;
INVALID_MODULE = 1;
INVALID_VERSION = 2;
INVALID_INSTANCES = 3;
TRANSIENT_ERROR = 4;
UNEXPECTED_STATE = 5;
}
}
message GetModulesRequest {
}
message GetModulesResponse {
repeated string module = 1;
}
message GetVersionsRequest {
optional string module = 1;
}
message GetVersionsResponse {
repeated string version = 1;
}
message GetDefaultVersionRequest {
optional string module = 1;
}
message GetDefaultVersionResponse {
required string version = 1;
}
message GetNumInstancesRequest {
optional string module = 1;
optional string version = 2;
}
message GetNumInstancesResponse {
required int64 instances = 1;
}
message SetNumInstancesRequest {
optional string module = 1;
optional string version = 2;
required int64 instances = 3;
}
message SetNumInstancesResponse {}
message StartModuleRequest {
required string module = 1;
required string version = 2;
}
message StartModuleResponse {}
message StopModuleRequest {
optional string module = 1;
optional string version = 2;
}
message StopModuleResponse {}
message GetHostnameRequest {
optional string module = 1;
optional string version = 2;
optional string instance = 3;
}
message GetHostnameResponse {
required string hostname = 1;
}

56
vendor/google.golang.org/appengine/internal/net.go generated vendored Normal file
View File

@ -0,0 +1,56 @@
// Copyright 2014 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package internal
// This file implements a network dialer that limits the number of concurrent connections.
// It is only used for API calls.
import (
"log"
"net"
"runtime"
"sync"
"time"
)
var limitSem = make(chan int, 100) // TODO(dsymonds): Use environment variable.
func limitRelease() {
// non-blocking
select {
case <-limitSem:
default:
// This should not normally happen.
log.Print("appengine: unbalanced limitSem release!")
}
}
func limitDial(network, addr string) (net.Conn, error) {
limitSem <- 1
// Dial with a timeout in case the API host is MIA.
// The connection should normally be very fast.
conn, err := net.DialTimeout(network, addr, 10*time.Second)
if err != nil {
limitRelease()
return nil, err
}
lc := &limitConn{Conn: conn}
runtime.SetFinalizer(lc, (*limitConn).Close) // shouldn't usually be required
return lc, nil
}
type limitConn struct {
close sync.Once
net.Conn
}
func (lc *limitConn) Close() error {
defer lc.close.Do(func() {
limitRelease()
runtime.SetFinalizer(lc, nil)
})
return lc.Conn.Close()
}

40
vendor/google.golang.org/appengine/internal/regen.sh generated vendored Normal file
View File

@ -0,0 +1,40 @@
#!/bin/bash -e
#
# This script rebuilds the generated code for the protocol buffers.
# To run this you will need protoc and goprotobuf installed;
# see https://github.com/golang/protobuf for instructions.
PKG=google.golang.org/appengine
function die() {
echo 1>&2 $*
exit 1
}
# Sanity check that the right tools are accessible.
for tool in go protoc protoc-gen-go; do
q=$(which $tool) || die "didn't find $tool"
echo 1>&2 "$tool: $q"
done
echo -n 1>&2 "finding package dir... "
pkgdir=$(go list -f '{{.Dir}}' $PKG)
echo 1>&2 $pkgdir
base=$(echo $pkgdir | sed "s,/$PKG\$,,")
echo 1>&2 "base: $base"
cd $base
# Run protoc once per package.
for dir in $(find $PKG/internal -name '*.proto' | xargs dirname | sort | uniq); do
echo 1>&2 "* $dir"
protoc --go_out=. $dir/*.proto
done
for f in $(find $PKG/internal -name '*.pb.go'); do
# Remove proto.RegisterEnum calls.
# These cause duplicate registration panics when these packages
# are used on classic App Engine. proto.RegisterEnum only affects
# parsing the text format; we don't care about that.
# https://code.google.com/p/googleappengine/issues/detail?id=11670#c17
sed -i '/proto.RegisterEnum/d' $f
done

361
vendor/google.golang.org/appengine/internal/remote_api/remote_api.pb.go generated vendored Normal file
View File

@ -0,0 +1,361 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: google.golang.org/appengine/internal/remote_api/remote_api.proto
package remote_api
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
type RpcError_ErrorCode int32
const (
RpcError_UNKNOWN RpcError_ErrorCode = 0
RpcError_CALL_NOT_FOUND RpcError_ErrorCode = 1
RpcError_PARSE_ERROR RpcError_ErrorCode = 2
RpcError_SECURITY_VIOLATION RpcError_ErrorCode = 3
RpcError_OVER_QUOTA RpcError_ErrorCode = 4
RpcError_REQUEST_TOO_LARGE RpcError_ErrorCode = 5
RpcError_CAPABILITY_DISABLED RpcError_ErrorCode = 6
RpcError_FEATURE_DISABLED RpcError_ErrorCode = 7
RpcError_BAD_REQUEST RpcError_ErrorCode = 8
RpcError_RESPONSE_TOO_LARGE RpcError_ErrorCode = 9
RpcError_CANCELLED RpcError_ErrorCode = 10
RpcError_REPLAY_ERROR RpcError_ErrorCode = 11
RpcError_DEADLINE_EXCEEDED RpcError_ErrorCode = 12
)
var RpcError_ErrorCode_name = map[int32]string{
0: "UNKNOWN",
1: "CALL_NOT_FOUND",
2: "PARSE_ERROR",
3: "SECURITY_VIOLATION",
4: "OVER_QUOTA",
5: "REQUEST_TOO_LARGE",
6: "CAPABILITY_DISABLED",
7: "FEATURE_DISABLED",
8: "BAD_REQUEST",
9: "RESPONSE_TOO_LARGE",
10: "CANCELLED",
11: "REPLAY_ERROR",
12: "DEADLINE_EXCEEDED",
}
var RpcError_ErrorCode_value = map[string]int32{
"UNKNOWN": 0,
"CALL_NOT_FOUND": 1,
"PARSE_ERROR": 2,
"SECURITY_VIOLATION": 3,
"OVER_QUOTA": 4,
"REQUEST_TOO_LARGE": 5,
"CAPABILITY_DISABLED": 6,
"FEATURE_DISABLED": 7,
"BAD_REQUEST": 8,
"RESPONSE_TOO_LARGE": 9,
"CANCELLED": 10,
"REPLAY_ERROR": 11,
"DEADLINE_EXCEEDED": 12,
}
func (x RpcError_ErrorCode) Enum() *RpcError_ErrorCode {
p := new(RpcError_ErrorCode)
*p = x
return p
}
func (x RpcError_ErrorCode) String() string {
return proto.EnumName(RpcError_ErrorCode_name, int32(x))
}
func (x *RpcError_ErrorCode) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(RpcError_ErrorCode_value, data, "RpcError_ErrorCode")
if err != nil {
return err
}
*x = RpcError_ErrorCode(value)
return nil
}
func (RpcError_ErrorCode) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_remote_api_1978114ec33a273d, []int{2, 0}
}
type Request struct {
ServiceName *string `protobuf:"bytes,2,req,name=service_name,json=serviceName" json:"service_name,omitempty"`
Method *string `protobuf:"bytes,3,req,name=method" json:"method,omitempty"`
Request []byte `protobuf:"bytes,4,req,name=request" json:"request,omitempty"`
RequestId *string `protobuf:"bytes,5,opt,name=request_id,json=requestId" json:"request_id,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Request) Reset() { *m = Request{} }
func (m *Request) String() string { return proto.CompactTextString(m) }
func (*Request) ProtoMessage() {}
func (*Request) Descriptor() ([]byte, []int) {
return fileDescriptor_remote_api_1978114ec33a273d, []int{0}
}
func (m *Request) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Request.Unmarshal(m, b)
}
func (m *Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Request.Marshal(b, m, deterministic)
}
func (dst *Request) XXX_Merge(src proto.Message) {
xxx_messageInfo_Request.Merge(dst, src)
}
func (m *Request) XXX_Size() int {
return xxx_messageInfo_Request.Size(m)
}
func (m *Request) XXX_DiscardUnknown() {
xxx_messageInfo_Request.DiscardUnknown(m)
}
var xxx_messageInfo_Request proto.InternalMessageInfo
func (m *Request) GetServiceName() string {
if m != nil && m.ServiceName != nil {
return *m.ServiceName
}
return ""
}
func (m *Request) GetMethod() string {
if m != nil && m.Method != nil {
return *m.Method
}
return ""
}
func (m *Request) GetRequest() []byte {
if m != nil {
return m.Request
}
return nil
}
func (m *Request) GetRequestId() string {
if m != nil && m.RequestId != nil {
return *m.RequestId
}
return ""
}
type ApplicationError struct {
Code *int32 `protobuf:"varint,1,req,name=code" json:"code,omitempty"`
Detail *string `protobuf:"bytes,2,req,name=detail" json:"detail,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *ApplicationError) Reset() { *m = ApplicationError{} }
func (m *ApplicationError) String() string { return proto.CompactTextString(m) }
func (*ApplicationError) ProtoMessage() {}
func (*ApplicationError) Descriptor() ([]byte, []int) {
return fileDescriptor_remote_api_1978114ec33a273d, []int{1}
}
func (m *ApplicationError) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ApplicationError.Unmarshal(m, b)
}
func (m *ApplicationError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ApplicationError.Marshal(b, m, deterministic)
}
func (dst *ApplicationError) XXX_Merge(src proto.Message) {
xxx_messageInfo_ApplicationError.Merge(dst, src)
}
func (m *ApplicationError) XXX_Size() int {
return xxx_messageInfo_ApplicationError.Size(m)
}
func (m *ApplicationError) XXX_DiscardUnknown() {
xxx_messageInfo_ApplicationError.DiscardUnknown(m)
}
var xxx_messageInfo_ApplicationError proto.InternalMessageInfo
func (m *ApplicationError) GetCode() int32 {
if m != nil && m.Code != nil {
return *m.Code
}
return 0
}
func (m *ApplicationError) GetDetail() string {
if m != nil && m.Detail != nil {
return *m.Detail
}
return ""
}
type RpcError struct {
Code *int32 `protobuf:"varint,1,req,name=code" json:"code,omitempty"`
Detail *string `protobuf:"bytes,2,opt,name=detail" json:"detail,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *RpcError) Reset() { *m = RpcError{} }
func (m *RpcError) String() string { return proto.CompactTextString(m) }
func (*RpcError) ProtoMessage() {}
func (*RpcError) Descriptor() ([]byte, []int) {
return fileDescriptor_remote_api_1978114ec33a273d, []int{2}
}
func (m *RpcError) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_RpcError.Unmarshal(m, b)
}
func (m *RpcError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_RpcError.Marshal(b, m, deterministic)
}
func (dst *RpcError) XXX_Merge(src proto.Message) {
xxx_messageInfo_RpcError.Merge(dst, src)
}
func (m *RpcError) XXX_Size() int {
return xxx_messageInfo_RpcError.Size(m)
}
func (m *RpcError) XXX_DiscardUnknown() {
xxx_messageInfo_RpcError.DiscardUnknown(m)
}
var xxx_messageInfo_RpcError proto.InternalMessageInfo
func (m *RpcError) GetCode() int32 {
if m != nil && m.Code != nil {
return *m.Code
}
return 0
}
func (m *RpcError) GetDetail() string {
if m != nil && m.Detail != nil {
return *m.Detail
}
return ""
}
type Response struct {
Response []byte `protobuf:"bytes,1,opt,name=response" json:"response,omitempty"`
Exception []byte `protobuf:"bytes,2,opt,name=exception" json:"exception,omitempty"`
ApplicationError *ApplicationError `protobuf:"bytes,3,opt,name=application_error,json=applicationError" json:"application_error,omitempty"`
JavaException []byte `protobuf:"bytes,4,opt,name=java_exception,json=javaException" json:"java_exception,omitempty"`
RpcError *RpcError `protobuf:"bytes,5,opt,name=rpc_error,json=rpcError" json:"rpc_error,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Response) Reset() { *m = Response{} }
func (m *Response) String() string { return proto.CompactTextString(m) }
func (*Response) ProtoMessage() {}
func (*Response) Descriptor() ([]byte, []int) {
return fileDescriptor_remote_api_1978114ec33a273d, []int{3}
}
func (m *Response) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Response.Unmarshal(m, b)
}
func (m *Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Response.Marshal(b, m, deterministic)
}
func (dst *Response) XXX_Merge(src proto.Message) {
xxx_messageInfo_Response.Merge(dst, src)
}
func (m *Response) XXX_Size() int {
return xxx_messageInfo_Response.Size(m)
}
func (m *Response) XXX_DiscardUnknown() {
xxx_messageInfo_Response.DiscardUnknown(m)
}
var xxx_messageInfo_Response proto.InternalMessageInfo
func (m *Response) GetResponse() []byte {
if m != nil {
return m.Response
}
return nil
}
func (m *Response) GetException() []byte {
if m != nil {
return m.Exception
}
return nil
}
func (m *Response) GetApplicationError() *ApplicationError {
if m != nil {
return m.ApplicationError
}
return nil
}
func (m *Response) GetJavaException() []byte {
if m != nil {
return m.JavaException
}
return nil
}
func (m *Response) GetRpcError() *RpcError {
if m != nil {
return m.RpcError
}
return nil
}
func init() {
proto.RegisterType((*Request)(nil), "remote_api.Request")
proto.RegisterType((*ApplicationError)(nil), "remote_api.ApplicationError")
proto.RegisterType((*RpcError)(nil), "remote_api.RpcError")
proto.RegisterType((*Response)(nil), "remote_api.Response")
}
func init() {
proto.RegisterFile("google.golang.org/appengine/internal/remote_api/remote_api.proto", fileDescriptor_remote_api_1978114ec33a273d)
}
var fileDescriptor_remote_api_1978114ec33a273d = []byte{
// 531 bytes of a gzipped FileDescriptorProto
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0xca, 0x53, 0x2a, 0x38, 0x00, 0x62, 0x63, 0x6f, 0x91, 0x85, 0x65, 0xa7, 0x6b, 0xbb, 0x50, 0x5e,
0x56, 0x2b, 0x67, 0x65, 0x8c, 0x12, 0xaf, 0xd9, 0x98, 0x8a, 0x17, 0x6e, 0xc0, 0xb5, 0x38, 0x0c,
0xb7, 0x40, 0x36, 0x6e, 0x63, 0xf5, 0x89, 0xb7, 0x7f, 0x7e, 0x7b, 0xe6, 0x1b, 0xcd, 0xcc, 0xc2,
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0x03, 0x00, 0x00,
}

44
vendor/google.golang.org/appengine/internal/remote_api/remote_api.proto generated vendored Normal file
View File

@ -0,0 +1,44 @@
syntax = "proto2";
option go_package = "remote_api";
package remote_api;
message Request {
required string service_name = 2;
required string method = 3;
required bytes request = 4;
optional string request_id = 5;
}
message ApplicationError {
required int32 code = 1;
required string detail = 2;
}
message RpcError {
enum ErrorCode {
UNKNOWN = 0;
CALL_NOT_FOUND = 1;
PARSE_ERROR = 2;
SECURITY_VIOLATION = 3;
OVER_QUOTA = 4;
REQUEST_TOO_LARGE = 5;
CAPABILITY_DISABLED = 6;
FEATURE_DISABLED = 7;
BAD_REQUEST = 8;
RESPONSE_TOO_LARGE = 9;
CANCELLED = 10;
REPLAY_ERROR = 11;
DEADLINE_EXCEEDED = 12;
}
required int32 code = 1;
optional string detail = 2;
}
message Response {
optional bytes response = 1;
optional bytes exception = 2;
optional ApplicationError application_error = 3;
optional bytes java_exception = 4;
optional RpcError rpc_error = 5;
}

115
vendor/google.golang.org/appengine/internal/transaction.go generated vendored Normal file
View File

@ -0,0 +1,115 @@
// Copyright 2014 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package internal
// This file implements hooks for applying datastore transactions.
import (
"errors"
"reflect"
"github.com/golang/protobuf/proto"
netcontext "golang.org/x/net/context"
basepb "google.golang.org/appengine/internal/base"
pb "google.golang.org/appengine/internal/datastore"
)
var transactionSetters = make(map[reflect.Type]reflect.Value)
// RegisterTransactionSetter registers a function that sets transaction information
// in a protocol buffer message. f should be a function with two arguments,
// the first being a protocol buffer type, and the second being *datastore.Transaction.
func RegisterTransactionSetter(f interface{}) {
v := reflect.ValueOf(f)
transactionSetters[v.Type().In(0)] = v
}
// applyTransaction applies the transaction t to message pb
// by using the relevant setter passed to RegisterTransactionSetter.
func applyTransaction(pb proto.Message, t *pb.Transaction) {
v := reflect.ValueOf(pb)
if f, ok := transactionSetters[v.Type()]; ok {
f.Call([]reflect.Value{v, reflect.ValueOf(t)})
}
}
var transactionKey = "used for *Transaction"
func transactionFromContext(ctx netcontext.Context) *transaction {
t, _ := ctx.Value(&transactionKey).(*transaction)
return t
}
func withTransaction(ctx netcontext.Context, t *transaction) netcontext.Context {
return netcontext.WithValue(ctx, &transactionKey, t)
}
type transaction struct {
transaction pb.Transaction
finished bool
}
var ErrConcurrentTransaction = errors.New("internal: concurrent transaction")
func RunTransactionOnce(c netcontext.Context, f func(netcontext.Context) error, xg bool, readOnly bool, previousTransaction *pb.Transaction) (*pb.Transaction, error) {
if transactionFromContext(c) != nil {
return nil, errors.New("nested transactions are not supported")
}
// Begin the transaction.
t := &transaction{}
req := &pb.BeginTransactionRequest{
App: proto.String(FullyQualifiedAppID(c)),
}
if xg {
req.AllowMultipleEg = proto.Bool(true)
}
if previousTransaction != nil {
req.PreviousTransaction = previousTransaction
}
if readOnly {
req.Mode = pb.BeginTransactionRequest_READ_ONLY.Enum()
} else {
req.Mode = pb.BeginTransactionRequest_READ_WRITE.Enum()
}
if err := Call(c, "datastore_v3", "BeginTransaction", req, &t.transaction); err != nil {
return nil, err
}
// Call f, rolling back the transaction if f returns a non-nil error, or panics.
// The panic is not recovered.
defer func() {
if t.finished {
return
}
t.finished = true
// Ignore the error return value, since we are already returning a non-nil
// error (or we're panicking).
Call(c, "datastore_v3", "Rollback", &t.transaction, &basepb.VoidProto{})
}()
if err := f(withTransaction(c, t)); err != nil {
return &t.transaction, err
}
t.finished = true
// Commit the transaction.
res := &pb.CommitResponse{}
err := Call(c, "datastore_v3", "Commit", &t.transaction, res)
if ae, ok := err.(*APIError); ok {
/* TODO: restore this conditional
if appengine.IsDevAppServer() {
*/
// The Python Dev AppServer raises an ApplicationError with error code 2 (which is
// Error.CONCURRENT_TRANSACTION) and message "Concurrency exception.".
if ae.Code == int32(pb.Error_BAD_REQUEST) && ae.Detail == "ApplicationError: 2 Concurrency exception." {
return &t.transaction, ErrConcurrentTransaction
}
if ae.Code == int32(pb.Error_CONCURRENT_TRANSACTION) {
return &t.transaction, ErrConcurrentTransaction
}
}
return &t.transaction, err
}

527
vendor/google.golang.org/appengine/internal/urlfetch/urlfetch_service.pb.go generated vendored Normal file
View File

@ -0,0 +1,527 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: google.golang.org/appengine/internal/urlfetch/urlfetch_service.proto
package urlfetch
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
type URLFetchServiceError_ErrorCode int32
const (
URLFetchServiceError_OK URLFetchServiceError_ErrorCode = 0
URLFetchServiceError_INVALID_URL URLFetchServiceError_ErrorCode = 1
URLFetchServiceError_FETCH_ERROR URLFetchServiceError_ErrorCode = 2
URLFetchServiceError_UNSPECIFIED_ERROR URLFetchServiceError_ErrorCode = 3
URLFetchServiceError_RESPONSE_TOO_LARGE URLFetchServiceError_ErrorCode = 4
URLFetchServiceError_DEADLINE_EXCEEDED URLFetchServiceError_ErrorCode = 5
URLFetchServiceError_SSL_CERTIFICATE_ERROR URLFetchServiceError_ErrorCode = 6
URLFetchServiceError_DNS_ERROR URLFetchServiceError_ErrorCode = 7
URLFetchServiceError_CLOSED URLFetchServiceError_ErrorCode = 8
URLFetchServiceError_INTERNAL_TRANSIENT_ERROR URLFetchServiceError_ErrorCode = 9
URLFetchServiceError_TOO_MANY_REDIRECTS URLFetchServiceError_ErrorCode = 10
URLFetchServiceError_MALFORMED_REPLY URLFetchServiceError_ErrorCode = 11
URLFetchServiceError_CONNECTION_ERROR URLFetchServiceError_ErrorCode = 12
)
var URLFetchServiceError_ErrorCode_name = map[int32]string{
0: "OK",
1: "INVALID_URL",
2: "FETCH_ERROR",
3: "UNSPECIFIED_ERROR",
4: "RESPONSE_TOO_LARGE",
5: "DEADLINE_EXCEEDED",
6: "SSL_CERTIFICATE_ERROR",
7: "DNS_ERROR",
8: "CLOSED",
9: "INTERNAL_TRANSIENT_ERROR",
10: "TOO_MANY_REDIRECTS",
11: "MALFORMED_REPLY",
12: "CONNECTION_ERROR",
}
var URLFetchServiceError_ErrorCode_value = map[string]int32{
"OK": 0,
"INVALID_URL": 1,
"FETCH_ERROR": 2,
"UNSPECIFIED_ERROR": 3,
"RESPONSE_TOO_LARGE": 4,
"DEADLINE_EXCEEDED": 5,
"SSL_CERTIFICATE_ERROR": 6,
"DNS_ERROR": 7,
"CLOSED": 8,
"INTERNAL_TRANSIENT_ERROR": 9,
"TOO_MANY_REDIRECTS": 10,
"MALFORMED_REPLY": 11,
"CONNECTION_ERROR": 12,
}
func (x URLFetchServiceError_ErrorCode) Enum() *URLFetchServiceError_ErrorCode {
p := new(URLFetchServiceError_ErrorCode)
*p = x
return p
}
func (x URLFetchServiceError_ErrorCode) String() string {
return proto.EnumName(URLFetchServiceError_ErrorCode_name, int32(x))
}
func (x *URLFetchServiceError_ErrorCode) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(URLFetchServiceError_ErrorCode_value, data, "URLFetchServiceError_ErrorCode")
if err != nil {
return err
}
*x = URLFetchServiceError_ErrorCode(value)
return nil
}
func (URLFetchServiceError_ErrorCode) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{0, 0}
}
type URLFetchRequest_RequestMethod int32
const (
URLFetchRequest_GET URLFetchRequest_RequestMethod = 1
URLFetchRequest_POST URLFetchRequest_RequestMethod = 2
URLFetchRequest_HEAD URLFetchRequest_RequestMethod = 3
URLFetchRequest_PUT URLFetchRequest_RequestMethod = 4
URLFetchRequest_DELETE URLFetchRequest_RequestMethod = 5
URLFetchRequest_PATCH URLFetchRequest_RequestMethod = 6
)
var URLFetchRequest_RequestMethod_name = map[int32]string{
1: "GET",
2: "POST",
3: "HEAD",
4: "PUT",
5: "DELETE",
6: "PATCH",
}
var URLFetchRequest_RequestMethod_value = map[string]int32{
"GET": 1,
"POST": 2,
"HEAD": 3,
"PUT": 4,
"DELETE": 5,
"PATCH": 6,
}
func (x URLFetchRequest_RequestMethod) Enum() *URLFetchRequest_RequestMethod {
p := new(URLFetchRequest_RequestMethod)
*p = x
return p
}
func (x URLFetchRequest_RequestMethod) String() string {
return proto.EnumName(URLFetchRequest_RequestMethod_name, int32(x))
}
func (x *URLFetchRequest_RequestMethod) UnmarshalJSON(data []byte) error {
value, err := proto.UnmarshalJSONEnum(URLFetchRequest_RequestMethod_value, data, "URLFetchRequest_RequestMethod")
if err != nil {
return err
}
*x = URLFetchRequest_RequestMethod(value)
return nil
}
func (URLFetchRequest_RequestMethod) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{1, 0}
}
type URLFetchServiceError struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *URLFetchServiceError) Reset() { *m = URLFetchServiceError{} }
func (m *URLFetchServiceError) String() string { return proto.CompactTextString(m) }
func (*URLFetchServiceError) ProtoMessage() {}
func (*URLFetchServiceError) Descriptor() ([]byte, []int) {
return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{0}
}
func (m *URLFetchServiceError) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_URLFetchServiceError.Unmarshal(m, b)
}
func (m *URLFetchServiceError) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_URLFetchServiceError.Marshal(b, m, deterministic)
}
func (dst *URLFetchServiceError) XXX_Merge(src proto.Message) {
xxx_messageInfo_URLFetchServiceError.Merge(dst, src)
}
func (m *URLFetchServiceError) XXX_Size() int {
return xxx_messageInfo_URLFetchServiceError.Size(m)
}
func (m *URLFetchServiceError) XXX_DiscardUnknown() {
xxx_messageInfo_URLFetchServiceError.DiscardUnknown(m)
}
var xxx_messageInfo_URLFetchServiceError proto.InternalMessageInfo
type URLFetchRequest struct {
Method *URLFetchRequest_RequestMethod `protobuf:"varint,1,req,name=Method,enum=appengine.URLFetchRequest_RequestMethod" json:"Method,omitempty"`
Url *string `protobuf:"bytes,2,req,name=Url" json:"Url,omitempty"`
Header []*URLFetchRequest_Header `protobuf:"group,3,rep,name=Header,json=header" json:"header,omitempty"`
Payload []byte `protobuf:"bytes,6,opt,name=Payload" json:"Payload,omitempty"`
FollowRedirects *bool `protobuf:"varint,7,opt,name=FollowRedirects,def=1" json:"FollowRedirects,omitempty"`
Deadline *float64 `protobuf:"fixed64,8,opt,name=Deadline" json:"Deadline,omitempty"`
MustValidateServerCertificate *bool `protobuf:"varint,9,opt,name=MustValidateServerCertificate,def=1" json:"MustValidateServerCertificate,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *URLFetchRequest) Reset() { *m = URLFetchRequest{} }
func (m *URLFetchRequest) String() string { return proto.CompactTextString(m) }
func (*URLFetchRequest) ProtoMessage() {}
func (*URLFetchRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{1}
}
func (m *URLFetchRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_URLFetchRequest.Unmarshal(m, b)
}
func (m *URLFetchRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_URLFetchRequest.Marshal(b, m, deterministic)
}
func (dst *URLFetchRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_URLFetchRequest.Merge(dst, src)
}
func (m *URLFetchRequest) XXX_Size() int {
return xxx_messageInfo_URLFetchRequest.Size(m)
}
func (m *URLFetchRequest) XXX_DiscardUnknown() {
xxx_messageInfo_URLFetchRequest.DiscardUnknown(m)
}
var xxx_messageInfo_URLFetchRequest proto.InternalMessageInfo
const Default_URLFetchRequest_FollowRedirects bool = true
const Default_URLFetchRequest_MustValidateServerCertificate bool = true
func (m *URLFetchRequest) GetMethod() URLFetchRequest_RequestMethod {
if m != nil && m.Method != nil {
return *m.Method
}
return URLFetchRequest_GET
}
func (m *URLFetchRequest) GetUrl() string {
if m != nil && m.Url != nil {
return *m.Url
}
return ""
}
func (m *URLFetchRequest) GetHeader() []*URLFetchRequest_Header {
if m != nil {
return m.Header
}
return nil
}
func (m *URLFetchRequest) GetPayload() []byte {
if m != nil {
return m.Payload
}
return nil
}
func (m *URLFetchRequest) GetFollowRedirects() bool {
if m != nil && m.FollowRedirects != nil {
return *m.FollowRedirects
}
return Default_URLFetchRequest_FollowRedirects
}
func (m *URLFetchRequest) GetDeadline() float64 {
if m != nil && m.Deadline != nil {
return *m.Deadline
}
return 0
}
func (m *URLFetchRequest) GetMustValidateServerCertificate() bool {
if m != nil && m.MustValidateServerCertificate != nil {
return *m.MustValidateServerCertificate
}
return Default_URLFetchRequest_MustValidateServerCertificate
}
type URLFetchRequest_Header struct {
Key *string `protobuf:"bytes,4,req,name=Key" json:"Key,omitempty"`
Value *string `protobuf:"bytes,5,req,name=Value" json:"Value,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *URLFetchRequest_Header) Reset() { *m = URLFetchRequest_Header{} }
func (m *URLFetchRequest_Header) String() string { return proto.CompactTextString(m) }
func (*URLFetchRequest_Header) ProtoMessage() {}
func (*URLFetchRequest_Header) Descriptor() ([]byte, []int) {
return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{1, 0}
}
func (m *URLFetchRequest_Header) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_URLFetchRequest_Header.Unmarshal(m, b)
}
func (m *URLFetchRequest_Header) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_URLFetchRequest_Header.Marshal(b, m, deterministic)
}
func (dst *URLFetchRequest_Header) XXX_Merge(src proto.Message) {
xxx_messageInfo_URLFetchRequest_Header.Merge(dst, src)
}
func (m *URLFetchRequest_Header) XXX_Size() int {
return xxx_messageInfo_URLFetchRequest_Header.Size(m)
}
func (m *URLFetchRequest_Header) XXX_DiscardUnknown() {
xxx_messageInfo_URLFetchRequest_Header.DiscardUnknown(m)
}
var xxx_messageInfo_URLFetchRequest_Header proto.InternalMessageInfo
func (m *URLFetchRequest_Header) GetKey() string {
if m != nil && m.Key != nil {
return *m.Key
}
return ""
}
func (m *URLFetchRequest_Header) GetValue() string {
if m != nil && m.Value != nil {
return *m.Value
}
return ""
}
type URLFetchResponse struct {
Content []byte `protobuf:"bytes,1,opt,name=Content" json:"Content,omitempty"`
StatusCode *int32 `protobuf:"varint,2,req,name=StatusCode" json:"StatusCode,omitempty"`
Header []*URLFetchResponse_Header `protobuf:"group,3,rep,name=Header,json=header" json:"header,omitempty"`
ContentWasTruncated *bool `protobuf:"varint,6,opt,name=ContentWasTruncated,def=0" json:"ContentWasTruncated,omitempty"`
ExternalBytesSent *int64 `protobuf:"varint,7,opt,name=ExternalBytesSent" json:"ExternalBytesSent,omitempty"`
ExternalBytesReceived *int64 `protobuf:"varint,8,opt,name=ExternalBytesReceived" json:"ExternalBytesReceived,omitempty"`
FinalUrl *string `protobuf:"bytes,9,opt,name=FinalUrl" json:"FinalUrl,omitempty"`
ApiCpuMilliseconds *int64 `protobuf:"varint,10,opt,name=ApiCpuMilliseconds,def=0" json:"ApiCpuMilliseconds,omitempty"`
ApiBytesSent *int64 `protobuf:"varint,11,opt,name=ApiBytesSent,def=0" json:"ApiBytesSent,omitempty"`
ApiBytesReceived *int64 `protobuf:"varint,12,opt,name=ApiBytesReceived,def=0" json:"ApiBytesReceived,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *URLFetchResponse) Reset() { *m = URLFetchResponse{} }
func (m *URLFetchResponse) String() string { return proto.CompactTextString(m) }
func (*URLFetchResponse) ProtoMessage() {}
func (*URLFetchResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{2}
}
func (m *URLFetchResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_URLFetchResponse.Unmarshal(m, b)
}
func (m *URLFetchResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_URLFetchResponse.Marshal(b, m, deterministic)
}
func (dst *URLFetchResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_URLFetchResponse.Merge(dst, src)
}
func (m *URLFetchResponse) XXX_Size() int {
return xxx_messageInfo_URLFetchResponse.Size(m)
}
func (m *URLFetchResponse) XXX_DiscardUnknown() {
xxx_messageInfo_URLFetchResponse.DiscardUnknown(m)
}
var xxx_messageInfo_URLFetchResponse proto.InternalMessageInfo
const Default_URLFetchResponse_ContentWasTruncated bool = false
const Default_URLFetchResponse_ApiCpuMilliseconds int64 = 0
const Default_URLFetchResponse_ApiBytesSent int64 = 0
const Default_URLFetchResponse_ApiBytesReceived int64 = 0
func (m *URLFetchResponse) GetContent() []byte {
if m != nil {
return m.Content
}
return nil
}
func (m *URLFetchResponse) GetStatusCode() int32 {
if m != nil && m.StatusCode != nil {
return *m.StatusCode
}
return 0
}
func (m *URLFetchResponse) GetHeader() []*URLFetchResponse_Header {
if m != nil {
return m.Header
}
return nil
}
func (m *URLFetchResponse) GetContentWasTruncated() bool {
if m != nil && m.ContentWasTruncated != nil {
return *m.ContentWasTruncated
}
return Default_URLFetchResponse_ContentWasTruncated
}
func (m *URLFetchResponse) GetExternalBytesSent() int64 {
if m != nil && m.ExternalBytesSent != nil {
return *m.ExternalBytesSent
}
return 0
}
func (m *URLFetchResponse) GetExternalBytesReceived() int64 {
if m != nil && m.ExternalBytesReceived != nil {
return *m.ExternalBytesReceived
}
return 0
}
func (m *URLFetchResponse) GetFinalUrl() string {
if m != nil && m.FinalUrl != nil {
return *m.FinalUrl
}
return ""
}
func (m *URLFetchResponse) GetApiCpuMilliseconds() int64 {
if m != nil && m.ApiCpuMilliseconds != nil {
return *m.ApiCpuMilliseconds
}
return Default_URLFetchResponse_ApiCpuMilliseconds
}
func (m *URLFetchResponse) GetApiBytesSent() int64 {
if m != nil && m.ApiBytesSent != nil {
return *m.ApiBytesSent
}
return Default_URLFetchResponse_ApiBytesSent
}
func (m *URLFetchResponse) GetApiBytesReceived() int64 {
if m != nil && m.ApiBytesReceived != nil {
return *m.ApiBytesReceived
}
return Default_URLFetchResponse_ApiBytesReceived
}
type URLFetchResponse_Header struct {
Key *string `protobuf:"bytes,4,req,name=Key" json:"Key,omitempty"`
Value *string `protobuf:"bytes,5,req,name=Value" json:"Value,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *URLFetchResponse_Header) Reset() { *m = URLFetchResponse_Header{} }
func (m *URLFetchResponse_Header) String() string { return proto.CompactTextString(m) }
func (*URLFetchResponse_Header) ProtoMessage() {}
func (*URLFetchResponse_Header) Descriptor() ([]byte, []int) {
return fileDescriptor_urlfetch_service_b245a7065f33bced, []int{2, 0}
}
func (m *URLFetchResponse_Header) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_URLFetchResponse_Header.Unmarshal(m, b)
}
func (m *URLFetchResponse_Header) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_URLFetchResponse_Header.Marshal(b, m, deterministic)
}
func (dst *URLFetchResponse_Header) XXX_Merge(src proto.Message) {
xxx_messageInfo_URLFetchResponse_Header.Merge(dst, src)
}
func (m *URLFetchResponse_Header) XXX_Size() int {
return xxx_messageInfo_URLFetchResponse_Header.Size(m)
}
func (m *URLFetchResponse_Header) XXX_DiscardUnknown() {
xxx_messageInfo_URLFetchResponse_Header.DiscardUnknown(m)
}
var xxx_messageInfo_URLFetchResponse_Header proto.InternalMessageInfo
func (m *URLFetchResponse_Header) GetKey() string {
if m != nil && m.Key != nil {
return *m.Key
}
return ""
}
func (m *URLFetchResponse_Header) GetValue() string {
if m != nil && m.Value != nil {
return *m.Value
}
return ""
}
func init() {
proto.RegisterType((*URLFetchServiceError)(nil), "appengine.URLFetchServiceError")
proto.RegisterType((*URLFetchRequest)(nil), "appengine.URLFetchRequest")
proto.RegisterType((*URLFetchRequest_Header)(nil), "appengine.URLFetchRequest.Header")
proto.RegisterType((*URLFetchResponse)(nil), "appengine.URLFetchResponse")
proto.RegisterType((*URLFetchResponse_Header)(nil), "appengine.URLFetchResponse.Header")
}
func init() {
proto.RegisterFile("google.golang.org/appengine/internal/urlfetch/urlfetch_service.proto", fileDescriptor_urlfetch_service_b245a7065f33bced)
}
var fileDescriptor_urlfetch_service_b245a7065f33bced = []byte{
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0x00, 0x00,
}

64
vendor/google.golang.org/appengine/internal/urlfetch/urlfetch_service.proto generated vendored Normal file
View File

@ -0,0 +1,64 @@
syntax = "proto2";
option go_package = "urlfetch";
package appengine;
message URLFetchServiceError {
enum ErrorCode {
OK = 0;
INVALID_URL = 1;
FETCH_ERROR = 2;
UNSPECIFIED_ERROR = 3;
RESPONSE_TOO_LARGE = 4;
DEADLINE_EXCEEDED = 5;
SSL_CERTIFICATE_ERROR = 6;
DNS_ERROR = 7;
CLOSED = 8;
INTERNAL_TRANSIENT_ERROR = 9;
TOO_MANY_REDIRECTS = 10;
MALFORMED_REPLY = 11;
CONNECTION_ERROR = 12;
}
}
message URLFetchRequest {
enum RequestMethod {
GET = 1;
POST = 2;
HEAD = 3;
PUT = 4;
DELETE = 5;
PATCH = 6;
}
required RequestMethod Method = 1;
required string Url = 2;
repeated group Header = 3 {
required string Key = 4;
required string Value = 5;
}
optional bytes Payload = 6 [ctype=CORD];
optional bool FollowRedirects = 7 [default=true];
optional double Deadline = 8;
optional bool MustValidateServerCertificate = 9 [default=true];
}
message URLFetchResponse {
optional bytes Content = 1;
required int32 StatusCode = 2;
repeated group Header = 3 {
required string Key = 4;
required string Value = 5;
}
optional bool ContentWasTruncated = 6 [default=false];
optional int64 ExternalBytesSent = 7;
optional int64 ExternalBytesReceived = 8;
optional string FinalUrl = 9;
optional int64 ApiCpuMilliseconds = 10 [default=0];
optional int64 ApiBytesSent = 11 [default=0];
optional int64 ApiBytesReceived = 12 [default=0];
}

25
vendor/google.golang.org/appengine/namespace.go generated vendored Normal file
View File

@ -0,0 +1,25 @@
// Copyright 2012 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package appengine
import (
"fmt"
"regexp"
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
)
// Namespace returns a replacement context that operates within the given namespace.
func Namespace(c context.Context, namespace string) (context.Context, error) {
if !validNamespace.MatchString(namespace) {
return nil, fmt.Errorf("appengine: namespace %q does not match /%s/", namespace, validNamespace)
}
return internal.NamespacedContext(c, namespace), nil
}
// validNamespace matches valid namespace names.
var validNamespace = regexp.MustCompile(`^[0-9A-Za-z._-]{0,100}$`)

20
vendor/google.golang.org/appengine/timeout.go generated vendored Normal file
View File

@ -0,0 +1,20 @@
// Copyright 2013 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package appengine
import "golang.org/x/net/context"
// IsTimeoutError reports whether err is a timeout error.
func IsTimeoutError(err error) bool {
if err == context.DeadlineExceeded {
return true
}
if t, ok := err.(interface {
IsTimeout() bool
}); ok {
return t.IsTimeout()
}
return false
}

18
vendor/google.golang.org/appengine/travis_install.sh generated vendored Normal file
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@ -0,0 +1,18 @@
#!/bin/bash
set -e
if [[ $GO111MODULE == "on" ]]; then
go get .
else
go get -u -v $(go list -f '{{join .Imports "\n"}}{{"\n"}}{{join .TestImports "\n"}}' ./... | sort | uniq | grep -v appengine)
fi
if [[ $GOAPP == "true" ]]; then
mkdir /tmp/sdk
curl -o /tmp/sdk.zip "https://storage.googleapis.com/appengine-sdks/featured/go_appengine_sdk_linux_amd64-1.9.68.zip"
unzip -q /tmp/sdk.zip -d /tmp/sdk
# NOTE: Set the following env vars in the test script:
# export PATH="$PATH:/tmp/sdk/go_appengine"
# export APPENGINE_DEV_APPSERVER=/tmp/sdk/go_appengine/dev_appserver.py
fi

12
vendor/google.golang.org/appengine/travis_test.sh generated vendored Normal file
View File

@ -0,0 +1,12 @@
#!/bin/bash
set -e
go version
go test -v google.golang.org/appengine/...
go test -v -race google.golang.org/appengine/...
if [[ $GOAPP == "true" ]]; then
export PATH="$PATH:/tmp/sdk/go_appengine"
export APPENGINE_DEV_APPSERVER=/tmp/sdk/go_appengine/dev_appserver.py
goapp version
goapp test -v google.golang.org/appengine/...
fi

210
vendor/google.golang.org/appengine/urlfetch/urlfetch.go generated vendored Normal file
View File

@ -0,0 +1,210 @@
// Copyright 2011 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
// Package urlfetch provides an http.RoundTripper implementation
// for fetching URLs via App Engine's urlfetch service.
package urlfetch // import "google.golang.org/appengine/urlfetch"
import (
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"github.com/golang/protobuf/proto"
"golang.org/x/net/context"
"google.golang.org/appengine/internal"
pb "google.golang.org/appengine/internal/urlfetch"
)
// Transport is an implementation of http.RoundTripper for
// App Engine. Users should generally create an http.Client using
// this transport and use the Client rather than using this transport
// directly.
type Transport struct {
Context context.Context
// Controls whether the application checks the validity of SSL certificates
// over HTTPS connections. A value of false (the default) instructs the
// application to send a request to the server only if the certificate is
// valid and signed by a trusted certificate authority (CA), and also
// includes a hostname that matches the certificate. A value of true
// instructs the application to perform no certificate validation.
AllowInvalidServerCertificate bool
}
// Verify statically that *Transport implements http.RoundTripper.
var _ http.RoundTripper = (*Transport)(nil)
// Client returns an *http.Client using a default urlfetch Transport. This
// client will have the default deadline of 5 seconds, and will check the
// validity of SSL certificates.
//
// Any deadline of the provided context will be used for requests through this client;
// if the client does not have a deadline then a 5 second default is used.
func Client(ctx context.Context) *http.Client {
return &http.Client{
Transport: &Transport{
Context: ctx,
},
}
}
type bodyReader struct {
content []byte
truncated bool
closed bool
}
// ErrTruncatedBody is the error returned after the final Read() from a
// response's Body if the body has been truncated by App Engine's proxy.
var ErrTruncatedBody = errors.New("urlfetch: truncated body")
func statusCodeToText(code int) string {
if t := http.StatusText(code); t != "" {
return t
}
return strconv.Itoa(code)
}
func (br *bodyReader) Read(p []byte) (n int, err error) {
if br.closed {
if br.truncated {
return 0, ErrTruncatedBody
}
return 0, io.EOF
}
n = copy(p, br.content)
if n > 0 {
br.content = br.content[n:]
return
}
if br.truncated {
br.closed = true
return 0, ErrTruncatedBody
}
return 0, io.EOF
}
func (br *bodyReader) Close() error {
br.closed = true
br.content = nil
return nil
}
// A map of the URL Fetch-accepted methods that take a request body.
var methodAcceptsRequestBody = map[string]bool{
"POST": true,
"PUT": true,
"PATCH": true,
}
// urlString returns a valid string given a URL. This function is necessary because
// the String method of URL doesn't correctly handle URLs with non-empty Opaque values.
// See http://code.google.com/p/go/issues/detail?id=4860.
func urlString(u *url.URL) string {
if u.Opaque == "" || strings.HasPrefix(u.Opaque, "//") {
return u.String()
}
aux := *u
aux.Opaque = "//" + aux.Host + aux.Opaque
return aux.String()
}
// RoundTrip issues a single HTTP request and returns its response. Per the
// http.RoundTripper interface, RoundTrip only returns an error if there
// was an unsupported request or the URL Fetch proxy fails.
// Note that HTTP response codes such as 5xx, 403, 404, etc are not
// errors as far as the transport is concerned and will be returned
// with err set to nil.
func (t *Transport) RoundTrip(req *http.Request) (res *http.Response, err error) {
methNum, ok := pb.URLFetchRequest_RequestMethod_value[req.Method]
if !ok {
return nil, fmt.Errorf("urlfetch: unsupported HTTP method %q", req.Method)
}
method := pb.URLFetchRequest_RequestMethod(methNum)
freq := &pb.URLFetchRequest{
Method: &method,
Url: proto.String(urlString(req.URL)),
FollowRedirects: proto.Bool(false), // http.Client's responsibility
MustValidateServerCertificate: proto.Bool(!t.AllowInvalidServerCertificate),
}
if deadline, ok := t.Context.Deadline(); ok {
freq.Deadline = proto.Float64(deadline.Sub(time.Now()).Seconds())
}
for k, vals := range req.Header {
for _, val := range vals {
freq.Header = append(freq.Header, &pb.URLFetchRequest_Header{
Key: proto.String(k),
Value: proto.String(val),
})
}
}
if methodAcceptsRequestBody[req.Method] && req.Body != nil {
// Avoid a []byte copy if req.Body has a Bytes method.
switch b := req.Body.(type) {
case interface {
Bytes() []byte
}:
freq.Payload = b.Bytes()
default:
freq.Payload, err = ioutil.ReadAll(req.Body)
if err != nil {
return nil, err
}
}
}
fres := &pb.URLFetchResponse{}
if err := internal.Call(t.Context, "urlfetch", "Fetch", freq, fres); err != nil {
return nil, err
}
res = &http.Response{}
res.StatusCode = int(*fres.StatusCode)
res.Status = fmt.Sprintf("%d %s", res.StatusCode, statusCodeToText(res.StatusCode))
res.Header = make(http.Header)
res.Request = req
// Faked:
res.ProtoMajor = 1
res.ProtoMinor = 1
res.Proto = "HTTP/1.1"
res.Close = true
for _, h := range fres.Header {
hkey := http.CanonicalHeaderKey(*h.Key)
hval := *h.Value
if hkey == "Content-Length" {
// Will get filled in below for all but HEAD requests.
if req.Method == "HEAD" {
res.ContentLength, _ = strconv.ParseInt(hval, 10, 64)
}
continue
}
res.Header.Add(hkey, hval)
}
if req.Method != "HEAD" {
res.ContentLength = int64(len(fres.Content))
}
truncated := fres.GetContentWasTruncated()
res.Body = &bodyReader{content: fres.Content, truncated: truncated}
return
}
func init() {
internal.RegisterErrorCodeMap("urlfetch", pb.URLFetchServiceError_ErrorCode_name)
internal.RegisterTimeoutErrorCode("urlfetch", int32(pb.URLFetchServiceError_DEADLINE_EXCEEDED))
}