updated GHA

Update to v2 SDK
updated dependencies

vendor/google.golang.org/grpc/reflection/README.md

@@ -0,0 +1,18 @@
+# Reflection
+
+Package reflection implements server reflection service.
+
+The service implemented is defined in: https://github.com/grpc/grpc/blob/master/src/proto/grpc/reflection/v1alpha/reflection.proto.
+
+To register server reflection on a gRPC server:
+```go
+import "google.golang.org/grpc/reflection"
+
+s := grpc.NewServer()
+pb.RegisterYourOwnServer(s, &server{})
+
+// Register reflection service on gRPC server.
+reflection.Register(s)
+
+s.Serve(lis)
+```

vendor/google.golang.org/grpc/reflection/grpc_reflection_v1alpha/reflection.pb.go

@@ -0,0 +1,953 @@
+// Copyright 2016 gRPC authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Service exported by server reflection
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0
+// 	protoc        v3.14.0
+// source: reflection/grpc_reflection_v1alpha/reflection.proto
+
+package grpc_reflection_v1alpha
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
+// The message sent by the client when calling ServerReflectionInfo method.
+type ServerReflectionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Host string `protobuf:"bytes,1,opt,name=host,proto3" json:"host,omitempty"`
+	// To use reflection service, the client should set one of the following
+	// fields in message_request. The server distinguishes requests by their
+	// defined field and then handles them using corresponding methods.
+	//
+	// Types that are assignable to MessageRequest:
+	//	*ServerReflectionRequest_FileByFilename
+	//	*ServerReflectionRequest_FileContainingSymbol
+	//	*ServerReflectionRequest_FileContainingExtension
+	//	*ServerReflectionRequest_AllExtensionNumbersOfType
+	//	*ServerReflectionRequest_ListServices
+	MessageRequest isServerReflectionRequest_MessageRequest `protobuf_oneof:"message_request"`
+}
+
+func (x *ServerReflectionRequest) Reset() {
+	*x = ServerReflectionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ServerReflectionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ServerReflectionRequest) ProtoMessage() {}
+
+func (x *ServerReflectionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ServerReflectionRequest.ProtoReflect.Descriptor instead.
+func (*ServerReflectionRequest) Descriptor() ([]byte, []int) {
+	return file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ServerReflectionRequest) GetHost() string {
+	if x != nil {
+		return x.Host
+	}
+	return ""
+}
+
+func (m *ServerReflectionRequest) GetMessageRequest() isServerReflectionRequest_MessageRequest {
+	if m != nil {
+		return m.MessageRequest
+	}
+	return nil
+}
+
+func (x *ServerReflectionRequest) GetFileByFilename() string {
+	if x, ok := x.GetMessageRequest().(*ServerReflectionRequest_FileByFilename); ok {
+		return x.FileByFilename
+	}
+	return ""
+}
+
+func (x *ServerReflectionRequest) GetFileContainingSymbol() string {
+	if x, ok := x.GetMessageRequest().(*ServerReflectionRequest_FileContainingSymbol); ok {
+		return x.FileContainingSymbol
+	}
+	return ""
+}
+
+func (x *ServerReflectionRequest) GetFileContainingExtension() *ExtensionRequest {
+	if x, ok := x.GetMessageRequest().(*ServerReflectionRequest_FileContainingExtension); ok {
+		return x.FileContainingExtension
+	}
+	return nil
+}
+
+func (x *ServerReflectionRequest) GetAllExtensionNumbersOfType() string {
+	if x, ok := x.GetMessageRequest().(*ServerReflectionRequest_AllExtensionNumbersOfType); ok {
+		return x.AllExtensionNumbersOfType
+	}
+	return ""
+}
+
+func (x *ServerReflectionRequest) GetListServices() string {
+	if x, ok := x.GetMessageRequest().(*ServerReflectionRequest_ListServices); ok {
+		return x.ListServices
+	}
+	return ""
+}
+
+type isServerReflectionRequest_MessageRequest interface {
+	isServerReflectionRequest_MessageRequest()
+}
+
+type ServerReflectionRequest_FileByFilename struct {
+	// Find a proto file by the file name.
+	FileByFilename string `protobuf:"bytes,3,opt,name=file_by_filename,json=fileByFilename,proto3,oneof"`
+}
+
+type ServerReflectionRequest_FileContainingSymbol struct {
+	// Find the proto file that declares the given fully-qualified symbol name.
+	// This field should be a fully-qualified symbol name
+	// (e.g. <package>.<service>[.<method>] or <package>.<type>).
+	FileContainingSymbol string `protobuf:"bytes,4,opt,name=file_containing_symbol,json=fileContainingSymbol,proto3,oneof"`
+}
+
+type ServerReflectionRequest_FileContainingExtension struct {
+	// Find the proto file which defines an extension extending the given
+	// message type with the given field number.
+	FileContainingExtension *ExtensionRequest `protobuf:"bytes,5,opt,name=file_containing_extension,json=fileContainingExtension,proto3,oneof"`
+}
+
+type ServerReflectionRequest_AllExtensionNumbersOfType struct {
+	// Finds the tag numbers used by all known extensions of extendee_type, and
+	// appends them to ExtensionNumberResponse in an undefined order.
+	// Its corresponding method is best-effort: it's not guaranteed that the
+	// reflection service will implement this method, and it's not guaranteed
+	// that this method will provide all extensions. Returns
+	// StatusCode::UNIMPLEMENTED if it's not implemented.
+	// This field should be a fully-qualified type name. The format is
+	// <package>.<type>
+	AllExtensionNumbersOfType string `protobuf:"bytes,6,opt,name=all_extension_numbers_of_type,json=allExtensionNumbersOfType,proto3,oneof"`
+}
+
+type ServerReflectionRequest_ListServices struct {
+	// List the full names of registered services. The content will not be
+	// checked.
+	ListServices string `protobuf:"bytes,7,opt,name=list_services,json=listServices,proto3,oneof"`
+}
+
+func (*ServerReflectionRequest_FileByFilename) isServerReflectionRequest_MessageRequest() {}
+
+func (*ServerReflectionRequest_FileContainingSymbol) isServerReflectionRequest_MessageRequest() {}
+
+func (*ServerReflectionRequest_FileContainingExtension) isServerReflectionRequest_MessageRequest() {}
+
+func (*ServerReflectionRequest_AllExtensionNumbersOfType) isServerReflectionRequest_MessageRequest() {
+}
+
+func (*ServerReflectionRequest_ListServices) isServerReflectionRequest_MessageRequest() {}
+
+// The type name and extension number sent by the client when requesting
+// file_containing_extension.
+type ExtensionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Fully-qualified type name. The format should be <package>.<type>
+	ContainingType  string `protobuf:"bytes,1,opt,name=containing_type,json=containingType,proto3" json:"containing_type,omitempty"`
+	ExtensionNumber int32  `protobuf:"varint,2,opt,name=extension_number,json=extensionNumber,proto3" json:"extension_number,omitempty"`
+}
+
+func (x *ExtensionRequest) Reset() {
+	*x = ExtensionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ExtensionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ExtensionRequest) ProtoMessage() {}
+
+func (x *ExtensionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ExtensionRequest.ProtoReflect.Descriptor instead.
+func (*ExtensionRequest) Descriptor() ([]byte, []int) {
+	return file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *ExtensionRequest) GetContainingType() string {
+	if x != nil {
+		return x.ContainingType
+	}
+	return ""
+}
+
+func (x *ExtensionRequest) GetExtensionNumber() int32 {
+	if x != nil {
+		return x.ExtensionNumber
+	}
+	return 0
+}
+
+// The message sent by the server to answer ServerReflectionInfo method.
+type ServerReflectionResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ValidHost       string                   `protobuf:"bytes,1,opt,name=valid_host,json=validHost,proto3" json:"valid_host,omitempty"`
+	OriginalRequest *ServerReflectionRequest `protobuf:"bytes,2,opt,name=original_request,json=originalRequest,proto3" json:"original_request,omitempty"`
+	// The server sets one of the following fields according to the
+	// message_request in the request.
+	//
+	// Types that are assignable to MessageResponse:
+	//	*ServerReflectionResponse_FileDescriptorResponse
+	//	*ServerReflectionResponse_AllExtensionNumbersResponse
+	//	*ServerReflectionResponse_ListServicesResponse
+	//	*ServerReflectionResponse_ErrorResponse
+	MessageResponse isServerReflectionResponse_MessageResponse `protobuf_oneof:"message_response"`
+}
+
+func (x *ServerReflectionResponse) Reset() {
+	*x = ServerReflectionResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ServerReflectionResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ServerReflectionResponse) ProtoMessage() {}
+
+func (x *ServerReflectionResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ServerReflectionResponse.ProtoReflect.Descriptor instead.
+func (*ServerReflectionResponse) Descriptor() ([]byte, []int) {
+	return file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *ServerReflectionResponse) GetValidHost() string {
+	if x != nil {
+		return x.ValidHost
+	}
+	return ""
+}
+
+func (x *ServerReflectionResponse) GetOriginalRequest() *ServerReflectionRequest {
+	if x != nil {
+		return x.OriginalRequest
+	}
+	return nil
+}
+
+func (m *ServerReflectionResponse) GetMessageResponse() isServerReflectionResponse_MessageResponse {
+	if m != nil {
+		return m.MessageResponse
+	}
+	return nil
+}
+
+func (x *ServerReflectionResponse) GetFileDescriptorResponse() *FileDescriptorResponse {
+	if x, ok := x.GetMessageResponse().(*ServerReflectionResponse_FileDescriptorResponse); ok {
+		return x.FileDescriptorResponse
+	}
+	return nil
+}
+
+func (x *ServerReflectionResponse) GetAllExtensionNumbersResponse() *ExtensionNumberResponse {
+	if x, ok := x.GetMessageResponse().(*ServerReflectionResponse_AllExtensionNumbersResponse); ok {
+		return x.AllExtensionNumbersResponse
+	}
+	return nil
+}
+
+func (x *ServerReflectionResponse) GetListServicesResponse() *ListServiceResponse {
+	if x, ok := x.GetMessageResponse().(*ServerReflectionResponse_ListServicesResponse); ok {
+		return x.ListServicesResponse
+	}
+	return nil
+}
+
+func (x *ServerReflectionResponse) GetErrorResponse() *ErrorResponse {
+	if x, ok := x.GetMessageResponse().(*ServerReflectionResponse_ErrorResponse); ok {
+		return x.ErrorResponse
+	}
+	return nil
+}
+
+type isServerReflectionResponse_MessageResponse interface {
+	isServerReflectionResponse_MessageResponse()
+}
+
+type ServerReflectionResponse_FileDescriptorResponse struct {
+	// This message is used to answer file_by_filename, file_containing_symbol,
+	// file_containing_extension requests with transitive dependencies.
+	// As the repeated label is not allowed in oneof fields, we use a
+	// FileDescriptorResponse message to encapsulate the repeated fields.
+	// The reflection service is allowed to avoid sending FileDescriptorProtos
+	// that were previously sent in response to earlier requests in the stream.
+	FileDescriptorResponse *FileDescriptorResponse `protobuf:"bytes,4,opt,name=file_descriptor_response,json=fileDescriptorResponse,proto3,oneof"`
+}
+
+type ServerReflectionResponse_AllExtensionNumbersResponse struct {
+	// This message is used to answer all_extension_numbers_of_type requests.
+	AllExtensionNumbersResponse *ExtensionNumberResponse `protobuf:"bytes,5,opt,name=all_extension_numbers_response,json=allExtensionNumbersResponse,proto3,oneof"`
+}
+
+type ServerReflectionResponse_ListServicesResponse struct {
+	// This message is used to answer list_services requests.
+	ListServicesResponse *ListServiceResponse `protobuf:"bytes,6,opt,name=list_services_response,json=listServicesResponse,proto3,oneof"`
+}
+
+type ServerReflectionResponse_ErrorResponse struct {
+	// This message is used when an error occurs.
+	ErrorResponse *ErrorResponse `protobuf:"bytes,7,opt,name=error_response,json=errorResponse,proto3,oneof"`
+}
+
+func (*ServerReflectionResponse_FileDescriptorResponse) isServerReflectionResponse_MessageResponse() {
+}
+
+func (*ServerReflectionResponse_AllExtensionNumbersResponse) isServerReflectionResponse_MessageResponse() {
+}
+
+func (*ServerReflectionResponse_ListServicesResponse) isServerReflectionResponse_MessageResponse() {}
+
+func (*ServerReflectionResponse_ErrorResponse) isServerReflectionResponse_MessageResponse() {}
+
+// Serialized FileDescriptorProto messages sent by the server answering
+// a file_by_filename, file_containing_symbol, or file_containing_extension
+// request.
+type FileDescriptorResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Serialized FileDescriptorProto messages. We avoid taking a dependency on
+	// descriptor.proto, which uses proto2 only features, by making them opaque
+	// bytes instead.
+	FileDescriptorProto [][]byte `protobuf:"bytes,1,rep,name=file_descriptor_proto,json=fileDescriptorProto,proto3" json:"file_descriptor_proto,omitempty"`
+}
+
+func (x *FileDescriptorResponse) Reset() {
+	*x = FileDescriptorResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FileDescriptorResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FileDescriptorResponse) ProtoMessage() {}
+
+func (x *FileDescriptorResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FileDescriptorResponse.ProtoReflect.Descriptor instead.
+func (*FileDescriptorResponse) Descriptor() ([]byte, []int) {
+	return file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *FileDescriptorResponse) GetFileDescriptorProto() [][]byte {
+	if x != nil {
+		return x.FileDescriptorProto
+	}
+	return nil
+}
+
+// A list of extension numbers sent by the server answering
+// all_extension_numbers_of_type request.
+type ExtensionNumberResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Full name of the base type, including the package name. The format
+	// is <package>.<type>
+	BaseTypeName    string  `protobuf:"bytes,1,opt,name=base_type_name,json=baseTypeName,proto3" json:"base_type_name,omitempty"`
+	ExtensionNumber []int32 `protobuf:"varint,2,rep,packed,name=extension_number,json=extensionNumber,proto3" json:"extension_number,omitempty"`
+}
+
+func (x *ExtensionNumberResponse) Reset() {
+	*x = ExtensionNumberResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ExtensionNumberResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ExtensionNumberResponse) ProtoMessage() {}
+
+func (x *ExtensionNumberResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ExtensionNumberResponse.ProtoReflect.Descriptor instead.
+func (*ExtensionNumberResponse) Descriptor() ([]byte, []int) {
+	return file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *ExtensionNumberResponse) GetBaseTypeName() string {
+	if x != nil {
+		return x.BaseTypeName
+	}
+	return ""
+}
+
+func (x *ExtensionNumberResponse) GetExtensionNumber() []int32 {
+	if x != nil {
+		return x.ExtensionNumber
+	}
+	return nil
+}
+
+// A list of ServiceResponse sent by the server answering list_services request.
+type ListServiceResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The information of each service may be expanded in the future, so we use
+	// ServiceResponse message to encapsulate it.
+	Service []*ServiceResponse `protobuf:"bytes,1,rep,name=service,proto3" json:"service,omitempty"`
+}
+
+func (x *ListServiceResponse) Reset() {
+	*x = ListServiceResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListServiceResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListServiceResponse) ProtoMessage() {}
+
+func (x *ListServiceResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListServiceResponse.ProtoReflect.Descriptor instead.
+func (*ListServiceResponse) Descriptor() ([]byte, []int) {
+	return file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *ListServiceResponse) GetService() []*ServiceResponse {
+	if x != nil {
+		return x.Service
+	}
+	return nil
+}
+
+// The information of a single service used by ListServiceResponse to answer
+// list_services request.
+type ServiceResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Full name of a registered service, including its package name. The format
+	// is <package>.<service>
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *ServiceResponse) Reset() {
+	*x = ServiceResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ServiceResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ServiceResponse) ProtoMessage() {}
+
+func (x *ServiceResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ServiceResponse.ProtoReflect.Descriptor instead.
+func (*ServiceResponse) Descriptor() ([]byte, []int) {
+	return file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *ServiceResponse) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// The error code and error message sent by the server when an error occurs.
+type ErrorResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// This field uses the error codes defined in grpc::StatusCode.
+	ErrorCode    int32  `protobuf:"varint,1,opt,name=error_code,json=errorCode,proto3" json:"error_code,omitempty"`
+	ErrorMessage string `protobuf:"bytes,2,opt,name=error_message,json=errorMessage,proto3" json:"error_message,omitempty"`
+}
+
+func (x *ErrorResponse) Reset() {
+	*x = ErrorResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ErrorResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ErrorResponse) ProtoMessage() {}
+
+func (x *ErrorResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ErrorResponse.ProtoReflect.Descriptor instead.
+func (*ErrorResponse) Descriptor() ([]byte, []int) {
+	return file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *ErrorResponse) GetErrorCode() int32 {
+	if x != nil {
+		return x.ErrorCode
+	}
+	return 0
+}
+
+func (x *ErrorResponse) GetErrorMessage() string {
+	if x != nil {
+		return x.ErrorMessage
+	}
+	return ""
+}
+
+var File_reflection_grpc_reflection_v1alpha_reflection_proto protoreflect.FileDescriptor
+
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+}
+
+var (
+	file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescOnce sync.Once
+	file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescData = file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDesc
+)
+
+func file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescGZIP() []byte {
+	file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescOnce.Do(func() {
+		file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescData = protoimpl.X.CompressGZIP(file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescData)
+	})
+	return file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDescData
+}
+
+var file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_reflection_grpc_reflection_v1alpha_reflection_proto_goTypes = []interface{}{
+	(*ServerReflectionRequest)(nil),  // 0: grpc.reflection.v1alpha.ServerReflectionRequest
+	(*ExtensionRequest)(nil),         // 1: grpc.reflection.v1alpha.ExtensionRequest
+	(*ServerReflectionResponse)(nil), // 2: grpc.reflection.v1alpha.ServerReflectionResponse
+	(*FileDescriptorResponse)(nil),   // 3: grpc.reflection.v1alpha.FileDescriptorResponse
+	(*ExtensionNumberResponse)(nil),  // 4: grpc.reflection.v1alpha.ExtensionNumberResponse
+	(*ListServiceResponse)(nil),      // 5: grpc.reflection.v1alpha.ListServiceResponse
+	(*ServiceResponse)(nil),          // 6: grpc.reflection.v1alpha.ServiceResponse
+	(*ErrorResponse)(nil),            // 7: grpc.reflection.v1alpha.ErrorResponse
+}
+var file_reflection_grpc_reflection_v1alpha_reflection_proto_depIdxs = []int32{
+	1, // 0: grpc.reflection.v1alpha.ServerReflectionRequest.file_containing_extension:type_name -> grpc.reflection.v1alpha.ExtensionRequest
+	0, // 1: grpc.reflection.v1alpha.ServerReflectionResponse.original_request:type_name -> grpc.reflection.v1alpha.ServerReflectionRequest
+	3, // 2: grpc.reflection.v1alpha.ServerReflectionResponse.file_descriptor_response:type_name -> grpc.reflection.v1alpha.FileDescriptorResponse
+	4, // 3: grpc.reflection.v1alpha.ServerReflectionResponse.all_extension_numbers_response:type_name -> grpc.reflection.v1alpha.ExtensionNumberResponse
+	5, // 4: grpc.reflection.v1alpha.ServerReflectionResponse.list_services_response:type_name -> grpc.reflection.v1alpha.ListServiceResponse
+	7, // 5: grpc.reflection.v1alpha.ServerReflectionResponse.error_response:type_name -> grpc.reflection.v1alpha.ErrorResponse
+	6, // 6: grpc.reflection.v1alpha.ListServiceResponse.service:type_name -> grpc.reflection.v1alpha.ServiceResponse
+	0, // 7: grpc.reflection.v1alpha.ServerReflection.ServerReflectionInfo:input_type -> grpc.reflection.v1alpha.ServerReflectionRequest
+	2, // 8: grpc.reflection.v1alpha.ServerReflection.ServerReflectionInfo:output_type -> grpc.reflection.v1alpha.ServerReflectionResponse
+	8, // [8:9] is the sub-list for method output_type
+	7, // [7:8] is the sub-list for method input_type
+	7, // [7:7] is the sub-list for extension type_name
+	7, // [7:7] is the sub-list for extension extendee
+	0, // [0:7] is the sub-list for field type_name
+}
+
+func init() { file_reflection_grpc_reflection_v1alpha_reflection_proto_init() }
+func file_reflection_grpc_reflection_v1alpha_reflection_proto_init() {
+	if File_reflection_grpc_reflection_v1alpha_reflection_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ServerReflectionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ExtensionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ServerReflectionResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*FileDescriptorResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ExtensionNumberResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListServiceResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ServiceResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ErrorResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[0].OneofWrappers = []interface{}{
+		(*ServerReflectionRequest_FileByFilename)(nil),
+		(*ServerReflectionRequest_FileContainingSymbol)(nil),
+		(*ServerReflectionRequest_FileContainingExtension)(nil),
+		(*ServerReflectionRequest_AllExtensionNumbersOfType)(nil),
+		(*ServerReflectionRequest_ListServices)(nil),
+	}
+	file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes[2].OneofWrappers = []interface{}{
+		(*ServerReflectionResponse_FileDescriptorResponse)(nil),
+		(*ServerReflectionResponse_AllExtensionNumbersResponse)(nil),
+		(*ServerReflectionResponse_ListServicesResponse)(nil),
+		(*ServerReflectionResponse_ErrorResponse)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   8,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_reflection_grpc_reflection_v1alpha_reflection_proto_goTypes,
+		DependencyIndexes: file_reflection_grpc_reflection_v1alpha_reflection_proto_depIdxs,
+		MessageInfos:      file_reflection_grpc_reflection_v1alpha_reflection_proto_msgTypes,
+	}.Build()
+	File_reflection_grpc_reflection_v1alpha_reflection_proto = out.File
+	file_reflection_grpc_reflection_v1alpha_reflection_proto_rawDesc = nil
+	file_reflection_grpc_reflection_v1alpha_reflection_proto_goTypes = nil
+	file_reflection_grpc_reflection_v1alpha_reflection_proto_depIdxs = nil
+}

vendor/google.golang.org/grpc/reflection/grpc_reflection_v1alpha/reflection.proto

@@ -0,0 +1,138 @@
+// Copyright 2016 gRPC authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Service exported by server reflection
+
+syntax = "proto3";
+
+option go_package = "google.golang.org/grpc/reflection/grpc_reflection_v1alpha";
+
+package grpc.reflection.v1alpha;
+
+service ServerReflection {
+  // The reflection service is structured as a bidirectional stream, ensuring
+  // all related requests go to a single server.
+  rpc ServerReflectionInfo(stream ServerReflectionRequest)
+      returns (stream ServerReflectionResponse);
+}
+
+// The message sent by the client when calling ServerReflectionInfo method.
+message ServerReflectionRequest {
+  string host = 1;
+  // To use reflection service, the client should set one of the following
+  // fields in message_request. The server distinguishes requests by their
+  // defined field and then handles them using corresponding methods.
+  oneof message_request {
+    // Find a proto file by the file name.
+    string file_by_filename = 3;
+
+    // Find the proto file that declares the given fully-qualified symbol name.
+    // This field should be a fully-qualified symbol name
+    // (e.g. <package>.<service>[.<method>] or <package>.<type>).
+    string file_containing_symbol = 4;
+
+    // Find the proto file which defines an extension extending the given
+    // message type with the given field number.
+    ExtensionRequest file_containing_extension = 5;
+
+    // Finds the tag numbers used by all known extensions of extendee_type, and
+    // appends them to ExtensionNumberResponse in an undefined order.
+    // Its corresponding method is best-effort: it's not guaranteed that the
+    // reflection service will implement this method, and it's not guaranteed
+    // that this method will provide all extensions. Returns
+    // StatusCode::UNIMPLEMENTED if it's not implemented.
+    // This field should be a fully-qualified type name. The format is
+    // <package>.<type>
+    string all_extension_numbers_of_type = 6;
+
+    // List the full names of registered services. The content will not be
+    // checked.
+    string list_services = 7;
+  }
+}
+
+// The type name and extension number sent by the client when requesting
+// file_containing_extension.
+message ExtensionRequest {
+  // Fully-qualified type name. The format should be <package>.<type>
+  string containing_type = 1;
+  int32 extension_number = 2;
+}
+
+// The message sent by the server to answer ServerReflectionInfo method.
+message ServerReflectionResponse {
+  string valid_host = 1;
+  ServerReflectionRequest original_request = 2;
+  // The server sets one of the following fields according to the
+  // message_request in the request.
+  oneof message_response {
+    // This message is used to answer file_by_filename, file_containing_symbol,
+    // file_containing_extension requests with transitive dependencies.
+    // As the repeated label is not allowed in oneof fields, we use a
+    // FileDescriptorResponse message to encapsulate the repeated fields.
+    // The reflection service is allowed to avoid sending FileDescriptorProtos
+    // that were previously sent in response to earlier requests in the stream.
+    FileDescriptorResponse file_descriptor_response = 4;
+
+    // This message is used to answer all_extension_numbers_of_type requests.
+    ExtensionNumberResponse all_extension_numbers_response = 5;
+
+    // This message is used to answer list_services requests.
+    ListServiceResponse list_services_response = 6;
+
+    // This message is used when an error occurs.
+    ErrorResponse error_response = 7;
+  }
+}
+
+// Serialized FileDescriptorProto messages sent by the server answering
+// a file_by_filename, file_containing_symbol, or file_containing_extension
+// request.
+message FileDescriptorResponse {
+  // Serialized FileDescriptorProto messages. We avoid taking a dependency on
+  // descriptor.proto, which uses proto2 only features, by making them opaque
+  // bytes instead.
+  repeated bytes file_descriptor_proto = 1;
+}
+
+// A list of extension numbers sent by the server answering
+// all_extension_numbers_of_type request.
+message ExtensionNumberResponse {
+  // Full name of the base type, including the package name. The format
+  // is <package>.<type>
+  string base_type_name = 1;
+  repeated int32 extension_number = 2;
+}
+
+// A list of ServiceResponse sent by the server answering list_services request.
+message ListServiceResponse {
+  // The information of each service may be expanded in the future, so we use
+  // ServiceResponse message to encapsulate it.
+  repeated ServiceResponse service = 1;
+}
+
+// The information of a single service used by ListServiceResponse to answer
+// list_services request.
+message ServiceResponse {
+  // Full name of a registered service, including its package name. The format
+  // is <package>.<service>
+  string name = 1;
+}
+
+// The error code and error message sent by the server when an error occurs.
+message ErrorResponse {
+  // This field uses the error codes defined in grpc::StatusCode.
+  int32 error_code = 1;
+  string error_message = 2;
+}

vendor/google.golang.org/grpc/reflection/grpc_reflection_v1alpha/reflection_grpc.pb.go

@@ -0,0 +1,139 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.14.0
+// source: reflection/grpc_reflection_v1alpha/reflection.proto
+
+package grpc_reflection_v1alpha
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// ServerReflectionClient is the client API for ServerReflection service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type ServerReflectionClient interface {
+	// The reflection service is structured as a bidirectional stream, ensuring
+	// all related requests go to a single server.
+	ServerReflectionInfo(ctx context.Context, opts ...grpc.CallOption) (ServerReflection_ServerReflectionInfoClient, error)
+}
+
+type serverReflectionClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewServerReflectionClient(cc grpc.ClientConnInterface) ServerReflectionClient {
+	return &serverReflectionClient{cc}
+}
+
+func (c *serverReflectionClient) ServerReflectionInfo(ctx context.Context, opts ...grpc.CallOption) (ServerReflection_ServerReflectionInfoClient, error) {
+	stream, err := c.cc.NewStream(ctx, &ServerReflection_ServiceDesc.Streams[0], "/grpc.reflection.v1alpha.ServerReflection/ServerReflectionInfo", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &serverReflectionServerReflectionInfoClient{stream}
+	return x, nil
+}
+
+type ServerReflection_ServerReflectionInfoClient interface {
+	Send(*ServerReflectionRequest) error
+	Recv() (*ServerReflectionResponse, error)
+	grpc.ClientStream
+}
+
+type serverReflectionServerReflectionInfoClient struct {
+	grpc.ClientStream
+}
+
+func (x *serverReflectionServerReflectionInfoClient) Send(m *ServerReflectionRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *serverReflectionServerReflectionInfoClient) Recv() (*ServerReflectionResponse, error) {
+	m := new(ServerReflectionResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// ServerReflectionServer is the server API for ServerReflection service.
+// All implementations should embed UnimplementedServerReflectionServer
+// for forward compatibility
+type ServerReflectionServer interface {
+	// The reflection service is structured as a bidirectional stream, ensuring
+	// all related requests go to a single server.
+	ServerReflectionInfo(ServerReflection_ServerReflectionInfoServer) error
+}
+
+// UnimplementedServerReflectionServer should be embedded to have forward compatible implementations.
+type UnimplementedServerReflectionServer struct {
+}
+
+func (UnimplementedServerReflectionServer) ServerReflectionInfo(ServerReflection_ServerReflectionInfoServer) error {
+	return status.Errorf(codes.Unimplemented, "method ServerReflectionInfo not implemented")
+}
+
+// UnsafeServerReflectionServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to ServerReflectionServer will
+// result in compilation errors.
+type UnsafeServerReflectionServer interface {
+	mustEmbedUnimplementedServerReflectionServer()
+}
+
+func RegisterServerReflectionServer(s grpc.ServiceRegistrar, srv ServerReflectionServer) {
+	s.RegisterService(&ServerReflection_ServiceDesc, srv)
+}
+
+func _ServerReflection_ServerReflectionInfo_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(ServerReflectionServer).ServerReflectionInfo(&serverReflectionServerReflectionInfoServer{stream})
+}
+
+type ServerReflection_ServerReflectionInfoServer interface {
+	Send(*ServerReflectionResponse) error
+	Recv() (*ServerReflectionRequest, error)
+	grpc.ServerStream
+}
+
+type serverReflectionServerReflectionInfoServer struct {
+	grpc.ServerStream
+}
+
+func (x *serverReflectionServerReflectionInfoServer) Send(m *ServerReflectionResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *serverReflectionServerReflectionInfoServer) Recv() (*ServerReflectionRequest, error) {
+	m := new(ServerReflectionRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// ServerReflection_ServiceDesc is the grpc.ServiceDesc for ServerReflection service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var ServerReflection_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "grpc.reflection.v1alpha.ServerReflection",
+	HandlerType: (*ServerReflectionServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "ServerReflectionInfo",
+			Handler:       _ServerReflection_ServerReflectionInfo_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "reflection/grpc_reflection_v1alpha/reflection.proto",
+}

vendor/google.golang.org/grpc/reflection/serverreflection.go

@@ -0,0 +1,324 @@
+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+/*
+Package reflection implements server reflection service.
+
+The service implemented is defined in:
+https://github.com/grpc/grpc/blob/master/src/proto/grpc/reflection/v1alpha/reflection.proto.
+
+To register server reflection on a gRPC server:
+	import "google.golang.org/grpc/reflection"
+
+	s := grpc.NewServer()
+	pb.RegisterYourOwnServer(s, &server{})
+
+	// Register reflection service on gRPC server.
+	reflection.Register(s)
+
+	s.Serve(lis)
+
+*/
+package reflection // import "google.golang.org/grpc/reflection"
+
+import (
+	"io"
+	"sort"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	rpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/reflect/protodesc"
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoregistry"
+)
+
+// GRPCServer is the interface provided by a gRPC server. It is implemented by
+// *grpc.Server, but could also be implemented by other concrete types. It acts
+// as a registry, for accumulating the services exposed by the server.
+type GRPCServer interface {
+	grpc.ServiceRegistrar
+	ServiceInfoProvider
+}
+
+var _ GRPCServer = (*grpc.Server)(nil)
+
+// Register registers the server reflection service on the given gRPC server.
+func Register(s GRPCServer) {
+	svr := NewServer(ServerOptions{Services: s})
+	rpb.RegisterServerReflectionServer(s, svr)
+}
+
+// ServiceInfoProvider is an interface used to retrieve metadata about the
+// services to expose.
+//
+// The reflection service is only interested in the service names, but the
+// signature is this way so that *grpc.Server implements it. So it is okay
+// for a custom implementation to return zero values for the
+// grpc.ServiceInfo values in the map.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
+type ServiceInfoProvider interface {
+	GetServiceInfo() map[string]grpc.ServiceInfo
+}
+
+// ExtensionResolver is the interface used to query details about extensions.
+// This interface is satisfied by protoregistry.GlobalTypes.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
+type ExtensionResolver interface {
+	protoregistry.ExtensionTypeResolver
+	RangeExtensionsByMessage(message protoreflect.FullName, f func(protoreflect.ExtensionType) bool)
+}
+
+// ServerOptions represents the options used to construct a reflection server.
+//
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
+type ServerOptions struct {
+	// The source of advertised RPC services. If not specified, the reflection
+	// server will report an empty list when asked to list services.
+	//
+	// This value will typically be a *grpc.Server. But the set of advertised
+	// services can be customized by wrapping a *grpc.Server or using an
+	// alternate implementation that returns a custom set of service names.
+	Services ServiceInfoProvider
+	// Optional resolver used to load descriptors. If not specified,
+	// protoregistry.GlobalFiles will be used.
+	DescriptorResolver protodesc.Resolver
+	// Optional resolver used to query for known extensions. If not specified,
+	// protoregistry.GlobalTypes will be used.
+	ExtensionResolver ExtensionResolver
+}
+
+// NewServer returns a reflection server implementation using the given options.
+// This can be used to customize behavior of the reflection service. Most usages
+// should prefer to use Register instead.
+//
+// Experimental
+//
+// Notice: This function is EXPERIMENTAL and may be changed or removed in a
+// later release.
+func NewServer(opts ServerOptions) rpb.ServerReflectionServer {
+	if opts.DescriptorResolver == nil {
+		opts.DescriptorResolver = protoregistry.GlobalFiles
+	}
+	if opts.ExtensionResolver == nil {
+		opts.ExtensionResolver = protoregistry.GlobalTypes
+	}
+	return &serverReflectionServer{
+		s:            opts.Services,
+		descResolver: opts.DescriptorResolver,
+		extResolver:  opts.ExtensionResolver,
+	}
+}
+
+type serverReflectionServer struct {
+	rpb.UnimplementedServerReflectionServer
+	s            ServiceInfoProvider
+	descResolver protodesc.Resolver
+	extResolver  ExtensionResolver
+}
+
+// fileDescWithDependencies returns a slice of serialized fileDescriptors in
+// wire format ([]byte). The fileDescriptors will include fd and all the
+// transitive dependencies of fd with names not in sentFileDescriptors.
+func (s *serverReflectionServer) fileDescWithDependencies(fd protoreflect.FileDescriptor, sentFileDescriptors map[string]bool) ([][]byte, error) {
+	var r [][]byte
+	queue := []protoreflect.FileDescriptor{fd}
+	for len(queue) > 0 {
+		currentfd := queue[0]
+		queue = queue[1:]
+		if sent := sentFileDescriptors[currentfd.Path()]; len(r) == 0 || !sent {
+			sentFileDescriptors[currentfd.Path()] = true
+			fdProto := protodesc.ToFileDescriptorProto(currentfd)
+			currentfdEncoded, err := proto.Marshal(fdProto)
+			if err != nil {
+				return nil, err
+			}
+			r = append(r, currentfdEncoded)
+		}
+		for i := 0; i < currentfd.Imports().Len(); i++ {
+			queue = append(queue, currentfd.Imports().Get(i))
+		}
+	}
+	return r, nil
+}
+
+// fileDescEncodingContainingSymbol finds the file descriptor containing the
+// given symbol, finds all of its previously unsent transitive dependencies,
+// does marshalling on them, and returns the marshalled result. The given symbol
+// can be a type, a service or a method.
+func (s *serverReflectionServer) fileDescEncodingContainingSymbol(name string, sentFileDescriptors map[string]bool) ([][]byte, error) {
+	d, err := s.descResolver.FindDescriptorByName(protoreflect.FullName(name))
+	if err != nil {
+		return nil, err
+	}
+	return s.fileDescWithDependencies(d.ParentFile(), sentFileDescriptors)
+}
+
+// fileDescEncodingContainingExtension finds the file descriptor containing
+// given extension, finds all of its previously unsent transitive dependencies,
+// does marshalling on them, and returns the marshalled result.
+func (s *serverReflectionServer) fileDescEncodingContainingExtension(typeName string, extNum int32, sentFileDescriptors map[string]bool) ([][]byte, error) {
+	xt, err := s.extResolver.FindExtensionByNumber(protoreflect.FullName(typeName), protoreflect.FieldNumber(extNum))
+	if err != nil {
+		return nil, err
+	}
+	return s.fileDescWithDependencies(xt.TypeDescriptor().ParentFile(), sentFileDescriptors)
+}
+
+// allExtensionNumbersForTypeName returns all extension numbers for the given type.
+func (s *serverReflectionServer) allExtensionNumbersForTypeName(name string) ([]int32, error) {
+	var numbers []int32
+	s.extResolver.RangeExtensionsByMessage(protoreflect.FullName(name), func(xt protoreflect.ExtensionType) bool {
+		numbers = append(numbers, int32(xt.TypeDescriptor().Number()))
+		return true
+	})
+	sort.Slice(numbers, func(i, j int) bool {
+		return numbers[i] < numbers[j]
+	})
+	if len(numbers) == 0 {
+		// maybe return an error if given type name is not known
+		if _, err := s.descResolver.FindDescriptorByName(protoreflect.FullName(name)); err != nil {
+			return nil, err
+		}
+	}
+	return numbers, nil
+}
+
+// listServices returns the names of services this server exposes.
+func (s *serverReflectionServer) listServices() []*rpb.ServiceResponse {
+	serviceInfo := s.s.GetServiceInfo()
+	resp := make([]*rpb.ServiceResponse, 0, len(serviceInfo))
+	for svc := range serviceInfo {
+		resp = append(resp, &rpb.ServiceResponse{Name: svc})
+	}
+	sort.Slice(resp, func(i, j int) bool {
+		return resp[i].Name < resp[j].Name
+	})
+	return resp
+}
+
+// ServerReflectionInfo is the reflection service handler.
+func (s *serverReflectionServer) ServerReflectionInfo(stream rpb.ServerReflection_ServerReflectionInfoServer) error {
+	sentFileDescriptors := make(map[string]bool)
+	for {
+		in, err := stream.Recv()
+		if err == io.EOF {
+			return nil
+		}
+		if err != nil {
+			return err
+		}
+
+		out := &rpb.ServerReflectionResponse{
+			ValidHost:       in.Host,
+			OriginalRequest: in,
+		}
+		switch req := in.MessageRequest.(type) {
+		case *rpb.ServerReflectionRequest_FileByFilename:
+			var b [][]byte
+			fd, err := s.descResolver.FindFileByPath(req.FileByFilename)
+			if err == nil {
+				b, err = s.fileDescWithDependencies(fd, sentFileDescriptors)
+			}
+			if err != nil {
+				out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
+					ErrorResponse: &rpb.ErrorResponse{
+						ErrorCode:    int32(codes.NotFound),
+						ErrorMessage: err.Error(),
+					},
+				}
+			} else {
+				out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
+					FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
+				}
+			}
+		case *rpb.ServerReflectionRequest_FileContainingSymbol:
+			b, err := s.fileDescEncodingContainingSymbol(req.FileContainingSymbol, sentFileDescriptors)
+			if err != nil {
+				out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
+					ErrorResponse: &rpb.ErrorResponse{
+						ErrorCode:    int32(codes.NotFound),
+						ErrorMessage: err.Error(),
+					},
+				}
+			} else {
+				out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
+					FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
+				}
+			}
+		case *rpb.ServerReflectionRequest_FileContainingExtension:
+			typeName := req.FileContainingExtension.ContainingType
+			extNum := req.FileContainingExtension.ExtensionNumber
+			b, err := s.fileDescEncodingContainingExtension(typeName, extNum, sentFileDescriptors)
+			if err != nil {
+				out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
+					ErrorResponse: &rpb.ErrorResponse{
+						ErrorCode:    int32(codes.NotFound),
+						ErrorMessage: err.Error(),
+					},
+				}
+			} else {
+				out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
+					FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
+				}
+			}
+		case *rpb.ServerReflectionRequest_AllExtensionNumbersOfType:
+			extNums, err := s.allExtensionNumbersForTypeName(req.AllExtensionNumbersOfType)
+			if err != nil {
+				out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
+					ErrorResponse: &rpb.ErrorResponse{
+						ErrorCode:    int32(codes.NotFound),
+						ErrorMessage: err.Error(),
+					},
+				}
+			} else {
+				out.MessageResponse = &rpb.ServerReflectionResponse_AllExtensionNumbersResponse{
+					AllExtensionNumbersResponse: &rpb.ExtensionNumberResponse{
+						BaseTypeName:    req.AllExtensionNumbersOfType,
+						ExtensionNumber: extNums,
+					},
+				}
+			}
+		case *rpb.ServerReflectionRequest_ListServices:
+			out.MessageResponse = &rpb.ServerReflectionResponse_ListServicesResponse{
+				ListServicesResponse: &rpb.ListServiceResponse{
+					Service: s.listServices(),
+				},
+			}
+		default:
+			return status.Errorf(codes.InvalidArgument, "invalid MessageRequest: %v", in.MessageRequest)
+		}
+
+		if err := stream.Send(out); err != nil {
+			return err
+		}
+	}
+}