first commit

Makefile

@@ -0,0 +1,3 @@
+build:
+	protoc -I. --go_out=plugins=grpc:. \
+	  proto/demo/demo.proto

api/router.go

@@ -0,0 +1,11 @@
+package api
+
+import "github.com/gorilla/mux"
+
+func NewRouter() *mux.Router {
+	router := mux.NewRouter().StrictSlash(true)
+	for _, route := range routes {
+		router.Methods(route.Method).Path(route.Pattern).Name(route.Name).Handler(route.HandlerFunc)
+	}
+	return router
+}

api/routes.go

@@ -0,0 +1,31 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+type Route struct {
+	Name string
+	Method string
+	Pattern string
+	HandlerFunc http.HandlerFunc
+}
+
+type Routes []Route
+
+var routes = Routes{
+	Route{
+		"SayHello",
+		"GET",
+		"/hello",
+		func(writer http.ResponseWriter, request *http.Request) {
+			writer.Header().Set("Content-Type", "application/json; charset=UTF-8")
+			dict := map[string]string{
+				"message": "hello world!",
+			}
+			data, _ := json.Marshal(dict)
+			writer.Write(data)
+		},
+	},
+}

api/webserver.go

@@ -0,0 +1,18 @@
+package api
+
+import (
+	"log"
+	"net/http"
+)
+
+func StartWebServer(port string) {
+	log.Println("Starting HTTP service at port " + port)
+	router := NewRouter()
+	http.Handle("/", router)
+	err := http.ListenAndServe(":" + port, nil)
+
+	if err != nil {
+		log.Println("An error occurred starting HTTP listener at port " + port)
+		log.Println("Error: " + err.Error())
+	}
+}

client.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"golang.org/x/net/context"
+	"google.golang.org/grpc"
+	"log"
+
+	pb "laracom/demo-service/proto/demo"
+)
+
+const (
+	address = "localhost:9999"
+)
+
+func main()  {
+	conn, err := grpc.Dial(address, grpc.WithInsecure())
+	if err != nil {
+		log.Fatalf("连接到 gRPC 服务器失败: %v", err)
+	}
+
+	defer conn.Close()
+
+	client := pb.NewDemoServiceClient(conn)
+	req := &pb.DemoRequest{Name: "学院君"}
+	rsp, err := client.SayHello(context.Background(), req)
+	if err != nil {
+		log.Fatalf("调用 gRPC 服务接口失败: %v", err)
+	}
+	log.Printf("%s", rsp.Text)
+}

http.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"fmt"
+	"laracom/demo-service/api"
+)
+
+const (
+	appName = "Demo Service"
+)
+
+func main ()  {
+	fmt.Printf("Starting %v\n", appName)
+	var port = "8000"
+	api.StartWebServer(port)
+}

main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"context"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/reflection"
+	pb "laracom/demo-service/proto/demo"
+	"log"
+	"net"
+)
+
+const (
+	port = ":9999"
+)
+
+type DemoService struct {
+
+}
+
+func (ds *DemoService) SayHello(ctx context.Context, req *pb.DemoRequest) (*pb.DemoResponse, error) {
+	return &pb.DemoResponse{Text: "你好, " + req.Name}, nil
+}
+
+func main() {
+	listener, err := net.Listen("tcp", port)
+	if err != nil {
+		log.Fatalf("监听指定端口失败: %v", err)
+	}
+
+	server := grpc.NewServer()
+	pb.RegisterDemoServiceServer(server, &DemoService{})
+
+	reflection.Register(server)
+
+	if err := server.Serve(listener); err != nil {
+		log.Fatalf("服务启动失败: %v", err)
+	}
+}

proto/demo/demo.pb.go

@@ -0,0 +1,293 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0-devel
+// 	protoc        v3.14.0
+// source: proto/demo/demo.proto
+
+package demo
+
+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 DemoRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *DemoRequest) Reset() {
+	*x = DemoRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_demo_demo_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DemoRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DemoRequest) ProtoMessage() {}
+
+func (x *DemoRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_demo_demo_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 DemoRequest.ProtoReflect.Descriptor instead.
+func (*DemoRequest) Descriptor() ([]byte, []int) {
+	return file_proto_demo_demo_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *DemoRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+type DemoResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Text string `protobuf:"bytes,2,opt,name=text,proto3" json:"text,omitempty"`
+}
+
+func (x *DemoResponse) Reset() {
+	*x = DemoResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_demo_demo_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DemoResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DemoResponse) ProtoMessage() {}
+
+func (x *DemoResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_demo_demo_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 DemoResponse.ProtoReflect.Descriptor instead.
+func (*DemoResponse) Descriptor() ([]byte, []int) {
+	return file_proto_demo_demo_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *DemoResponse) GetText() string {
+	if x != nil {
+		return x.Text
+	}
+	return ""
+}
+
+var File_proto_demo_demo_proto protoreflect.FileDescriptor
+
+var file_proto_demo_demo_proto_rawDesc = []byte{
+	0x0a, 0x15, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x64, 0x65, 0x6d, 0x6f, 0x2f, 0x64, 0x65, 0x6d,
+	0x6f, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x64, 0x65, 0x6d, 0x6f, 0x22, 0x21, 0x0a,
+	0x0b, 0x44, 0x65, 0x6d, 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, 0x22, 0x0a, 0x0c, 0x44, 0x65, 0x6d, 0x6f, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
+	0x12, 0x12, 0x0a, 0x04, 0x74, 0x65, 0x78, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04,
+	0x74, 0x65, 0x78, 0x74, 0x32, 0x42, 0x0a, 0x0b, 0x44, 0x65, 0x6d, 0x6f, 0x53, 0x65, 0x72, 0x76,
+	0x69, 0x63, 0x65, 0x12, 0x33, 0x0a, 0x08, 0x53, 0x61, 0x79, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x12,
+	0x11, 0x2e, 0x64, 0x65, 0x6d, 0x6f, 0x2e, 0x44, 0x65, 0x6d, 0x6f, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x1a, 0x12, 0x2e, 0x64, 0x65, 0x6d, 0x6f, 0x2e, 0x44, 0x65, 0x6d, 0x6f, 0x52, 0x65,
+	0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_proto_demo_demo_proto_rawDescOnce sync.Once
+	file_proto_demo_demo_proto_rawDescData = file_proto_demo_demo_proto_rawDesc
+)
+
+func file_proto_demo_demo_proto_rawDescGZIP() []byte {
+	file_proto_demo_demo_proto_rawDescOnce.Do(func() {
+		file_proto_demo_demo_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_demo_demo_proto_rawDescData)
+	})
+	return file_proto_demo_demo_proto_rawDescData
+}
+
+var file_proto_demo_demo_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_proto_demo_demo_proto_goTypes = []interface{}{
+	(*DemoRequest)(nil),  // 0: demo.DemoRequest
+	(*DemoResponse)(nil), // 1: demo.DemoResponse
+}
+var file_proto_demo_demo_proto_depIdxs = []int32{
+	0, // 0: demo.DemoService.SayHello:input_type -> demo.DemoRequest
+	1, // 1: demo.DemoService.SayHello:output_type -> demo.DemoResponse
+	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_proto_demo_demo_proto_init() }
+func file_proto_demo_demo_proto_init() {
+	if File_proto_demo_demo_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_proto_demo_demo_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DemoRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_demo_demo_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DemoResponse); 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_proto_demo_demo_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_proto_demo_demo_proto_goTypes,
+		DependencyIndexes: file_proto_demo_demo_proto_depIdxs,
+		MessageInfos:      file_proto_demo_demo_proto_msgTypes,
+	}.Build()
+	File_proto_demo_demo_proto = out.File
+	file_proto_demo_demo_proto_rawDesc = nil
+	file_proto_demo_demo_proto_goTypes = nil
+	file_proto_demo_demo_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
+
+// DemoServiceClient is the client API for DemoService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type DemoServiceClient interface {
+	SayHello(ctx context.Context, in *DemoRequest, opts ...grpc.CallOption) (*DemoResponse, error)
+}
+
+type demoServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewDemoServiceClient(cc grpc.ClientConnInterface) DemoServiceClient {
+	return &demoServiceClient{cc}
+}
+
+func (c *demoServiceClient) SayHello(ctx context.Context, in *DemoRequest, opts ...grpc.CallOption) (*DemoResponse, error) {
+	out := new(DemoResponse)
+	err := c.cc.Invoke(ctx, "/demo.DemoService/SayHello", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// DemoServiceServer is the server API for DemoService service.
+type DemoServiceServer interface {
+	SayHello(context.Context, *DemoRequest) (*DemoResponse, error)
+}
+
+// UnimplementedDemoServiceServer can be embedded to have forward compatible implementations.
+type UnimplementedDemoServiceServer struct {
+}
+
+func (*UnimplementedDemoServiceServer) SayHello(context.Context, *DemoRequest) (*DemoResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SayHello not implemented")
+}
+
+func RegisterDemoServiceServer(s *grpc.Server, srv DemoServiceServer) {
+	s.RegisterService(&_DemoService_serviceDesc, srv)
+}
+
+func _DemoService_SayHello_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DemoRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DemoServiceServer).SayHello(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/demo.DemoService/SayHello",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DemoServiceServer).SayHello(ctx, req.(*DemoRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+var _DemoService_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "demo.DemoService",
+	HandlerType: (*DemoServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "SayHello",
+			Handler:    _DemoService_SayHello_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "proto/demo/demo.proto",
+}

proto/demo/demo.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package demo;
+
+service DemoService {
+  rpc SayHello(DemoRequest) returns (DemoResponse) {}
+}
+
+message DemoRequest {
+    string name = 1;
+}
+
+message DemoResponse {
+    string text = 2;
+}