Add generated file
This PR adds generated files under pkg/client and vendor folder.
This commit is contained in:
xing-yang
399
vendor/google.golang.org/grpc/reflection/serverreflection.go
generated
vendored
Normal file
399
vendor/google.golang.org/grpc/reflection/serverreflection.go
generated
vendored
Normal file
@@ -0,0 +1,399 @@
|
||||
/*
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
*/
|
||||
|
||||
//go:generate protoc --go_out=plugins=grpc:. grpc_reflection_v1alpha/reflection.proto
|
||||
|
||||
/*
|
||||
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 (
|
||||
"bytes"
|
||||
"compress/gzip"
|
||||
"fmt"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"reflect"
|
||||
"strings"
|
||||
|
||||
"github.com/golang/protobuf/proto"
|
||||
dpb "github.com/golang/protobuf/protoc-gen-go/descriptor"
|
||||
"google.golang.org/grpc"
|
||||
"google.golang.org/grpc/codes"
|
||||
rpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
|
||||
"google.golang.org/grpc/status"
|
||||
)
|
||||
|
||||
type serverReflectionServer struct {
|
||||
s *grpc.Server
|
||||
// TODO add more cache if necessary
|
||||
serviceInfo map[string]grpc.ServiceInfo // cache for s.GetServiceInfo()
|
||||
}
|
||||
|
||||
// Register registers the server reflection service on the given gRPC server.
|
||||
func Register(s *grpc.Server) {
|
||||
rpb.RegisterServerReflectionServer(s, &serverReflectionServer{
|
||||
s: s,
|
||||
})
|
||||
}
|
||||
|
||||
// protoMessage is used for type assertion on proto messages.
|
||||
// Generated proto message implements function Descriptor(), but Descriptor()
|
||||
// is not part of interface proto.Message. This interface is needed to
|
||||
// call Descriptor().
|
||||
type protoMessage interface {
|
||||
Descriptor() ([]byte, []int)
|
||||
}
|
||||
|
||||
// fileDescForType gets the file descriptor for the given type.
|
||||
// The given type should be a proto message.
|
||||
func (s *serverReflectionServer) fileDescForType(st reflect.Type) (*dpb.FileDescriptorProto, error) {
|
||||
m, ok := reflect.Zero(reflect.PtrTo(st)).Interface().(protoMessage)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("failed to create message from type: %v", st)
|
||||
}
|
||||
enc, _ := m.Descriptor()
|
||||
|
||||
return s.decodeFileDesc(enc)
|
||||
}
|
||||
|
||||
// decodeFileDesc does decompression and unmarshalling on the given
|
||||
// file descriptor byte slice.
|
||||
func (s *serverReflectionServer) decodeFileDesc(enc []byte) (*dpb.FileDescriptorProto, error) {
|
||||
raw, err := decompress(enc)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to decompress enc: %v", err)
|
||||
}
|
||||
|
||||
fd := new(dpb.FileDescriptorProto)
|
||||
if err := proto.Unmarshal(raw, fd); err != nil {
|
||||
return nil, fmt.Errorf("bad descriptor: %v", err)
|
||||
}
|
||||
return fd, nil
|
||||
}
|
||||
|
||||
// decompress does gzip decompression.
|
||||
func decompress(b []byte) ([]byte, error) {
|
||||
r, err := gzip.NewReader(bytes.NewReader(b))
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
|
||||
}
|
||||
out, err := ioutil.ReadAll(r)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
func (s *serverReflectionServer) typeForName(name string) (reflect.Type, error) {
|
||||
pt := proto.MessageType(name)
|
||||
if pt == nil {
|
||||
return nil, fmt.Errorf("unknown type: %q", name)
|
||||
}
|
||||
st := pt.Elem()
|
||||
|
||||
return st, nil
|
||||
}
|
||||
|
||||
func (s *serverReflectionServer) fileDescContainingExtension(st reflect.Type, ext int32) (*dpb.FileDescriptorProto, error) {
|
||||
m, ok := reflect.Zero(reflect.PtrTo(st)).Interface().(proto.Message)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("failed to create message from type: %v", st)
|
||||
}
|
||||
|
||||
var extDesc *proto.ExtensionDesc
|
||||
for id, desc := range proto.RegisteredExtensions(m) {
|
||||
if id == ext {
|
||||
extDesc = desc
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
if extDesc == nil {
|
||||
return nil, fmt.Errorf("failed to find registered extension for extension number %v", ext)
|
||||
}
|
||||
|
||||
return s.decodeFileDesc(proto.FileDescriptor(extDesc.Filename))
|
||||
}
|
||||
|
||||
func (s *serverReflectionServer) allExtensionNumbersForType(st reflect.Type) ([]int32, error) {
|
||||
m, ok := reflect.Zero(reflect.PtrTo(st)).Interface().(proto.Message)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("failed to create message from type: %v", st)
|
||||
}
|
||||
|
||||
exts := proto.RegisteredExtensions(m)
|
||||
out := make([]int32, 0, len(exts))
|
||||
for id := range exts {
|
||||
out = append(out, id)
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
|
||||
// fileDescEncodingByFilename finds the file descriptor for given filename,
|
||||
// does marshalling on it and returns the marshalled result.
|
||||
func (s *serverReflectionServer) fileDescEncodingByFilename(name string) ([]byte, error) {
|
||||
enc := proto.FileDescriptor(name)
|
||||
if enc == nil {
|
||||
return nil, fmt.Errorf("unknown file: %v", name)
|
||||
}
|
||||
fd, err := s.decodeFileDesc(enc)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return proto.Marshal(fd)
|
||||
}
|
||||
|
||||
// serviceMetadataForSymbol finds the metadata for name in s.serviceInfo.
|
||||
// name should be a service name or a method name.
|
||||
func (s *serverReflectionServer) serviceMetadataForSymbol(name string) (interface{}, error) {
|
||||
if s.serviceInfo == nil {
|
||||
s.serviceInfo = s.s.GetServiceInfo()
|
||||
}
|
||||
|
||||
// Check if it's a service name.
|
||||
if info, ok := s.serviceInfo[name]; ok {
|
||||
return info.Metadata, nil
|
||||
}
|
||||
|
||||
// Check if it's a method name.
|
||||
pos := strings.LastIndex(name, ".")
|
||||
// Not a valid method name.
|
||||
if pos == -1 {
|
||||
return nil, fmt.Errorf("unknown symbol: %v", name)
|
||||
}
|
||||
|
||||
info, ok := s.serviceInfo[name[:pos]]
|
||||
// Substring before last "." is not a service name.
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("unknown symbol: %v", name)
|
||||
}
|
||||
|
||||
// Search the method name in info.Methods.
|
||||
var found bool
|
||||
for _, m := range info.Methods {
|
||||
if m.Name == name[pos+1:] {
|
||||
found = true
|
||||
break
|
||||
}
|
||||
}
|
||||
if found {
|
||||
return info.Metadata, nil
|
||||
}
|
||||
|
||||
return nil, fmt.Errorf("unknown symbol: %v", name)
|
||||
}
|
||||
|
||||
// parseMetadata finds the file descriptor bytes specified meta.
|
||||
// For SupportPackageIsVersion4, m is the name of the proto file, we
|
||||
// call proto.FileDescriptor to get the byte slice.
|
||||
// For SupportPackageIsVersion3, m is a byte slice itself.
|
||||
func parseMetadata(meta interface{}) ([]byte, bool) {
|
||||
// Check if meta is the file name.
|
||||
if fileNameForMeta, ok := meta.(string); ok {
|
||||
return proto.FileDescriptor(fileNameForMeta), true
|
||||
}
|
||||
|
||||
// Check if meta is the byte slice.
|
||||
if enc, ok := meta.([]byte); ok {
|
||||
return enc, true
|
||||
}
|
||||
|
||||
return nil, false
|
||||
}
|
||||
|
||||
// fileDescEncodingContainingSymbol finds the file descriptor containing the given symbol,
|
||||
// does marshalling on it and returns the marshalled result.
|
||||
// The given symbol can be a type, a service or a method.
|
||||
func (s *serverReflectionServer) fileDescEncodingContainingSymbol(name string) ([]byte, error) {
|
||||
var (
|
||||
fd *dpb.FileDescriptorProto
|
||||
)
|
||||
// Check if it's a type name.
|
||||
if st, err := s.typeForName(name); err == nil {
|
||||
fd, err = s.fileDescForType(st)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else { // Check if it's a service name or a method name.
|
||||
meta, err := s.serviceMetadataForSymbol(name)
|
||||
|
||||
// Metadata not found.
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Metadata not valid.
|
||||
enc, ok := parseMetadata(meta)
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("invalid file descriptor for symbol: %v", name)
|
||||
}
|
||||
|
||||
fd, err = s.decodeFileDesc(enc)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
return proto.Marshal(fd)
|
||||
}
|
||||
|
||||
// fileDescEncodingContainingExtension finds the file descriptor containing given extension,
|
||||
// does marshalling on it and returns the marshalled result.
|
||||
func (s *serverReflectionServer) fileDescEncodingContainingExtension(typeName string, extNum int32) ([]byte, error) {
|
||||
st, err := s.typeForName(typeName)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fd, err := s.fileDescContainingExtension(st, extNum)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return proto.Marshal(fd)
|
||||
}
|
||||
|
||||
// allExtensionNumbersForTypeName returns all extension numbers for the given type.
|
||||
func (s *serverReflectionServer) allExtensionNumbersForTypeName(name string) ([]int32, error) {
|
||||
st, err := s.typeForName(name)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
extNums, err := s.allExtensionNumbersForType(st)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return extNums, nil
|
||||
}
|
||||
|
||||
// ServerReflectionInfo is the reflection service handler.
|
||||
func (s *serverReflectionServer) ServerReflectionInfo(stream rpb.ServerReflection_ServerReflectionInfoServer) error {
|
||||
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:
|
||||
b, err := s.fileDescEncodingByFilename(req.FileByFilename)
|
||||
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: [][]byte{b}},
|
||||
}
|
||||
}
|
||||
case *rpb.ServerReflectionRequest_FileContainingSymbol:
|
||||
b, err := s.fileDescEncodingContainingSymbol(req.FileContainingSymbol)
|
||||
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: [][]byte{b}},
|
||||
}
|
||||
}
|
||||
case *rpb.ServerReflectionRequest_FileContainingExtension:
|
||||
typeName := req.FileContainingExtension.ContainingType
|
||||
extNum := req.FileContainingExtension.ExtensionNumber
|
||||
b, err := s.fileDescEncodingContainingExtension(typeName, extNum)
|
||||
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: [][]byte{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:
|
||||
if s.serviceInfo == nil {
|
||||
s.serviceInfo = s.s.GetServiceInfo()
|
||||
}
|
||||
serviceResponses := make([]*rpb.ServiceResponse, 0, len(s.serviceInfo))
|
||||
for n := range s.serviceInfo {
|
||||
serviceResponses = append(serviceResponses, &rpb.ServiceResponse{
|
||||
Name: n,
|
||||
})
|
||||
}
|
||||
out.MessageResponse = &rpb.ServerReflectionResponse_ListServicesResponse{
|
||||
ListServicesResponse: &rpb.ListServiceResponse{
|
||||
Service: serviceResponses,
|
||||
},
|
||||
}
|
||||
default:
|
||||
return status.Errorf(codes.InvalidArgument, "invalid MessageRequest: %v", in.MessageRequest)
|
||||
}
|
||||
|
||||
if err := stream.Send(out); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user