| /* |
| * |
| * Copyright 2019 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. |
| * |
| */ |
| |
| // Binary server is an example server. |
| package main |
| |
| import ( |
| "context" |
| "flag" |
| "fmt" |
| "log" |
| "net" |
| |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/reflection" |
| |
| ecpb "google.golang.org/grpc/examples/features/proto/echo" |
| hwpb "google.golang.org/grpc/examples/helloworld/helloworld" |
| ) |
| |
| var port = flag.Int("port", 50051, "the port to serve on") |
| |
| // hwServer is used to implement helloworld.GreeterServer. |
| type hwServer struct { |
| hwpb.UnimplementedGreeterServer |
| } |
| |
| // SayHello implements helloworld.GreeterServer |
| func (s *hwServer) SayHello(ctx context.Context, in *hwpb.HelloRequest) (*hwpb.HelloReply, error) { |
| return &hwpb.HelloReply{Message: "Hello " + in.Name}, nil |
| } |
| |
| type ecServer struct { |
| ecpb.UnimplementedEchoServer |
| } |
| |
| func (s *ecServer) UnaryEcho(ctx context.Context, req *ecpb.EchoRequest) (*ecpb.EchoResponse, error) { |
| return &ecpb.EchoResponse{Message: req.Message}, nil |
| } |
| |
| func main() { |
| flag.Parse() |
| lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port)) |
| if err != nil { |
| log.Fatalf("failed to listen: %v", err) |
| } |
| fmt.Printf("server listening at %v\n", lis.Addr()) |
| |
| s := grpc.NewServer() |
| |
| // Register Greeter on the server. |
| hwpb.RegisterGreeterServer(s, &hwServer{}) |
| |
| // Register RouteGuide on the same server. |
| ecpb.RegisterEchoServer(s, &ecServer{}) |
| |
| // Register reflection service on gRPC server. |
| reflection.Register(s) |
| |
| if err := s.Serve(lis); err != nil { |
| log.Fatalf("failed to serve: %v", err) |
| } |
| } |