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syntax="proto3";package pb;
option go_package ="../pb";
// 定义参数message Args { int32 a = 1; int32 b = 2;}
// 定义返回结构message Answer { int32 sum = 1;}
// 定义rpc方法service Arith { rpc calc(Args) returns (Answer);}

// Code generated by protoc-gen-go. DO NOT EDIT.// versions:// protoc-gen-go v1.26.0// protoc v3.19.4// source: calc.proto
package pb
import ( 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))
// 定义参数type Args struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache unknownFields protoimpl.UnknownFields
 A int32 `protobuf:"varint,1,opt,name=a,proto3" json:"a,omitempty"` B int32 `protobuf:"varint,2,opt,name=b,proto3" json:"b,omitempty"`}
func (x *Args) Reset() { *x = Args{} if protoimpl.UnsafeEnabled { mi := &file_calc_proto_msgTypes[0] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) }}
func (x *Args) String() string { return protoimpl.X.MessageStringOf(x)}
func (*Args) ProtoMessage() {}
func (x *Args) ProtoReflect() protoreflect.Message { mi := &file_calc_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 Args.ProtoReflect.Descriptor instead.func (*Args) Descriptor() ([]byte, []int) { return file_calc_proto_rawDescGZIP(), []int{0}}
func (x *Args) GetA() int32 { if x != nil { return x.A } return 0}
func (x *Args) GetB() int32 { if x != nil { return x.B } return 0}
// 定义返回结构type Answer struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache unknownFields protoimpl.UnknownFields
 Sum int32 `protobuf:"varint,1,opt,name=sum,proto3" json:"sum,omitempty"`}
func (x *Answer) Reset() { *x = Answer{} if protoimpl.UnsafeEnabled { mi := &file_calc_proto_msgTypes[1] ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) ms.StoreMessageInfo(mi) }}
func (x *Answer) String() string { return protoimpl.X.MessageStringOf(x)}
func (*Answer) ProtoMessage() {}
func (x *Answer) ProtoReflect() protoreflect.Message { mi := &file_calc_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 Answer.ProtoReflect.Descriptor instead.func (*Answer) Descriptor() ([]byte, []int) { return file_calc_proto_rawDescGZIP(), []int{1}}
func (x *Answer) GetSum() int32 { if x != nil { return x.Sum } return 0}
var File_calc_proto protoreflect.FileDescriptor
var file_calc_proto_rawDesc = []byte{ 0x0a, 0x0a, 0x63, 0x61, 0x6c, 0x63, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x02, 0x70, 0x62, 0x22, 0x22, 0x0a, 0x04, 0x41, 0x72, 0x67, 0x73, 0x12, 0x0c, 0x0a, 0x01, 0x61, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x01, 0x61, 0x12, 0x0c, 0x0a, 0x01, 0x62, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x01, 0x62, 0x22, 0x1a, 0x0a, 0x06, 0x41, 0x6e, 0x73, 0x77, 0x65, 0x72, 0x12, 0x10, 0x0a, 0x03, 0x73, 0x75, 0x6d, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x03, 0x73, 0x75, 0x6d, 0x32, 0x25, 0x0a, 0x05, 0x41, 0x72, 0x69, 0x74, 0x68, 0x12, 0x1c, 0x0a, 0x04, 0x63, 0x61, 0x6c, 0x63, 0x12, 0x08, 0x2e, 0x70, 0x62, 0x2e, 0x41, 0x72, 0x67, 0x73, 0x1a, 0x0a, 0x2e, 0x70, 0x62, 0x2e, 0x41, 0x6e, 0x73, 0x77, 0x65, 0x72, 0x42, 0x07, 0x5a, 0x05, 0x2e, 0x2e, 0x2f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,}
var ( file_calc_proto_rawDescOnce sync.Once file_calc_proto_rawDescData = file_calc_proto_rawDesc)
func file_calc_proto_rawDescGZIP() []byte { file_calc_proto_rawDescOnce.Do(func() { file_calc_proto_rawDescData = protoimpl.X.CompressGZIP(file_calc_proto_rawDescData) }) return file_calc_proto_rawDescData}
var file_calc_proto_msgTypes = make([]protoimpl.MessageInfo, 2)var file_calc_proto_goTypes = []interface{}{ (*Args)(nil), // 0: pb.Args (*Answer)(nil), // 1: pb.Answer}var file_calc_proto_depIdxs = []int32{ 0, // 0: pb.Arith.calc:input_type -> pb.Args 1, // 1: pb.Arith.calc:output_type -> pb.Answer 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_calc_proto_init() }func file_calc_proto_init() { if File_calc_proto != nil { return } if !protoimpl.UnsafeEnabled { file_calc_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { switch v := v.(*Args); i { case 0: return &v.state case 1: return &v.sizeCache case 2: return &v.unknownFields default: return nil } } file_calc_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { switch v := v.(*Answer); 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_calc_proto_rawDesc, NumEnums: 0, NumMessages: 2, NumExtensions: 0, NumServices: 1, }, GoTypes: file_calc_proto_goTypes, DependencyIndexes: file_calc_proto_depIdxs, MessageInfos: file_calc_proto_msgTypes, }.Build() File_calc_proto = out.File file_calc_proto_rawDesc = nil file_calc_proto_goTypes = nil file_calc_proto_depIdxs = nil}

package main
import ( "context" "github.com/mosesyu95/proto/pb" "google.golang.org/grpc" "log" "net")
// Arith 定义算数算法服务type Arith struct {
}

func (a *Arith) Calc(ctx context.Context,args *pb.Args) (*pb.Answer, error) { log.Printf("receive %+v \n", args) var res = &pb.Answer{Sum: args.A + args.B} return res ,nil}
func main() { lis, err := net.Listen("tcp", ":8080") if err != nil { log.Fatalln(err) } grpcserver := grpc.NewServer() pb.RegisterArithServer(grpcserver, &Arith{})
 go grpcserver.Serve(lis) select { }}

package main
import ( "context" "fmt" "github.com/mosesyu95/proto/pb" "google.golang.org/grpc" "log")
func main() { conn, err := grpc.Dial("127.0.0.1:8080",grpc.WithInsecure()) if err != nil { log.Fatalln("dailing error: ", err) } defer conn.Close() arithClient := pb.NewArithClient(conn) req := &pb.Args{ A: 2, B: 4, } res, err := arithClient.Calc(context.Background(),req ) fmt.Printf("%d + %d = %d \n", req.A, req.B, res.Sum)
}