rpc error: code = Unimplemented desc = Method not found!

来源:16-6 go下grpc快速体验-2

我家大狗最最萌

2021-08-25

helloworld.pb.go
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.26.0
// protoc v3.17.3
// source: helloworld.proto

package proto

import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
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)
)

type HelloRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields

Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`

}

func (x *HelloRequest) Reset() {
*x = HelloRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_helloworld_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}

func (x *HelloRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}

func (*HelloRequest) ProtoMessage() {}

func (x *HelloRequest) ProtoReflect() protoreflect.Message {
mi := &file_helloworld_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 HelloRequest.ProtoReflect.Descriptor instead.
func (*HelloRequest) Descriptor() ([]byte, []int) {
return file_helloworld_proto_rawDescGZIP(), []int{0}
}

func (x *HelloRequest) GetName() string {
if x != nil {
return x.Name
}
return “”
}

type HelloReply struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields

Message string `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`

}

func (x *HelloReply) Reset() {
*x = HelloReply{}
if protoimpl.UnsafeEnabled {
mi := &file_helloworld_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}

func (x *HelloReply) String() string {
return protoimpl.X.MessageStringOf(x)
}

func (*HelloReply) ProtoMessage() {}

func (x *HelloReply) ProtoReflect() protoreflect.Message {
mi := &file_helloworld_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 HelloReply.ProtoReflect.Descriptor instead.
func (*HelloReply) Descriptor() ([]byte, []int) {
return file_helloworld_proto_rawDescGZIP(), []int{1}
}

func (x *HelloReply) GetMessage() string {
if x != nil {
return x.Message
}
return “”
}

var File_helloworld_proto protoreflect.FileDescriptor

var file_helloworld_proto_rawDesc = []byte{
0x0a, 0x10, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x2e, 0x70, 0x72, 0x6f,
0x74, 0x6f, 0x22, 0x22, 0x0a, 0x0c, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65, 0x71, 0x75, 0x65,
0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x22, 0x26, 0x0a, 0x0a, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52,
0x65, 0x70, 0x6c, 0x79, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18,
0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x32, 0x31,
0x0a, 0x07, 0x47, 0x72, 0x65, 0x65, 0x74, 0x65, 0x72, 0x12, 0x26, 0x0a, 0x08, 0x53, 0x61, 0x79,
0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x12, 0x0d, 0x2e, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65, 0x71,
0x75, 0x65, 0x73, 0x74, 0x1a, 0x0b, 0x2e, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x52, 0x65, 0x70, 0x6c,
0x79, 0x42, 0x0e, 0x5a, 0x0c, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x3b, 0x70, 0x72, 0x6f, 0x74,
0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}

var (
file_helloworld_proto_rawDescOnce sync.Once
file_helloworld_proto_rawDescData = file_helloworld_proto_rawDesc
)

func file_helloworld_proto_rawDescGZIP() []byte {
file_helloworld_proto_rawDescOnce.Do(func() {
file_helloworld_proto_rawDescData = protoimpl.X.CompressGZIP(file_helloworld_proto_rawDescData)
})
return file_helloworld_proto_rawDescData
}

var file_helloworld_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_helloworld_proto_goTypes = []interface{}{
(*HelloRequest)(nil), // 0: HelloRequest
(*HelloReply)(nil), // 1: HelloReply
}
var file_helloworld_proto_depIdxs = []int32{
0, // 0: Greeter.SayHello:input_type -> HelloRequest
1, // 1: Greeter.SayHello:output_type -> HelloReply
1, // [1:2] is the sub-list for method output_type
0, // [0:1] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}

func init() { file_helloworld_proto_init() }
func file_helloworld_proto_init() {
if File_helloworld_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_helloworld_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*HelloRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_helloworld_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*HelloReply); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_helloworld_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_helloworld_proto_goTypes,
DependencyIndexes: file_helloworld_proto_depIdxs,
MessageInfos: file_helloworld_proto_msgTypes,
}.Build()
File_helloworld_proto = out.File
file_helloworld_proto_rawDesc = nil
file_helloworld_proto_goTypes = nil
file_helloworld_proto_depIdxs = nil
}

// Reference imports to suppress errors if they are not otherwise used.
var _ context.Context
var _ grpc.ClientConnInterface

// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion6

// GreeterClient is the client API for Greeter service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type GreeterClient interface {
SayHello(ctx context.Context, in *HelloRequest, opts …grpc.CallOption) (*HelloReply, error)
}

type greeterClient struct {
cc grpc.ClientConnInterface
}

func NewGreeterClient(cc grpc.ClientConnInterface) GreeterClient {
return &greeterClient{cc}
}

func (c *greeterClient) SayHello(ctx context.Context, in *HelloRequest, opts …grpc.CallOption) (*HelloReply, error) {
out := new(HelloReply)
err := c.cc.Invoke(ctx, “/Greeter/SayHello”, in, out, opts…)
if err != nil {
return nil, err
}
return out, nil
}

// GreeterServer is the server API for Greeter service.
type GreeterServer interface {
SayHello(context.Context, *HelloRequest) (*HelloReply, error)
}

// UnimplementedGreeterServer can be embedded to have forward compatible implementations.
type UnimplementedGreeterServer struct {
}

func (*UnimplementedGreeterServer) SayHello(context.Context, *HelloRequest) (*HelloReply, error) {
return nil, status.Errorf(codes.Unimplemented, “method SayHello not implemented”)
}

func RegisterGreeterServer(s *grpc.Server, srv GreeterServer) {
s.RegisterService(&_Greeter_serviceDesc, srv)
}

func _Greeter_SayHello_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(HelloRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(GreeterServer).SayHello(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: “/Greeter/SayHello”,
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(GreeterServer).SayHello(ctx, req.(*HelloRequest))
}
return interceptor(ctx, in, info, handler)
}

var _Greeter_serviceDesc = grpc.ServiceDesc{
ServiceName: “Greeter”,
HandlerType: (*GreeterServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: “SayHello”,
Handler: _Greeter_SayHello_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: “helloworld.proto”,
}

server.go
package main

import (
“context”
“net”
“learngo/grpc_test/proto/proto”
google.golang.org/grpc
)

type Server struct {
}

func (s *Server) SayHello(ctx context.Context, in *proto.HelloRequest) (*proto.HelloReply, error) {
return &proto.HelloReply{
Message: "hello " + in.Name,
}, nil
}

func main() {
g := grpc.NewServer()
proto.RegisterGreeterServer(g, &Server{})
lis, err := net.Listen(“tcp”, “0.0.0.0:8080”)
if err != nil {
panic(“failed”)
}
err = g.Serve(lis)
if err != nil {
panic(“failed”)
}
}

client.go

package main

import (
“context”
“fmt”
“learngo/grpc_test/proto/proto”
google.golang.org/grpc
)

func main() {
conn, err := grpc.Dial(“127.0.0.1:8080”, grpc.WithInsecure())
if err != nil {
panic(“failed”)
}
defer conn.Close()
c := proto.NewGreeterClient(conn)
r, err1 := c.SayHello(context.Background(), &proto.HelloRequest{Name: “1111”})
if err1 != nil {
panic(err1)
}
fmt.Println(r.Message)
}

客户端代码报错
panic: rpc error: code = Unimplemented desc = Method not found!

goroutine 1 [running]:
main.main()
/Users/haohao/go/src/awesomeProject/grpc_test/client/client.go:21 +0x237

看pb里面的代码需要三个参数,但第三个参数是个接口,感觉是不是我哪里弄错了

写回答

1回答

bobby

2021-08-26

你使用protoc命令重新根据proto文件重新生成源码再试试呢

0
2
bobby
回复
我家大狗最最萌
好的。
2021-08-28
共2条回复

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