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- /*
- *
- * Copyright 2015 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 -I ../helloworld --go_out=plugins=grpc:../helloworld ../helloworld/helloworld.proto
-
- // Package main implements a server for Greeter service.
- package main
-
- import (
- "context"
- "log"
- "net"
-
- "google.golang.org/grpc"
- pb "google.golang.org/grpc/examples/helloworld/helloworld"
- )
-
- const (
- port = ":50051"
- )
-
- // server is used to implement helloworld.GreeterServer.
- type server struct{}
-
- // SayHello implements helloworld.GreeterServer
- func (s *server) SayHello(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {
- log.Printf("Received: %v", in.Name)
- return &pb.HelloReply{Message: "Hello " + in.Name}, nil
- }
-
- func main() {
- lis, err := net.Listen("tcp", port)
- if err != nil {
- log.Fatalf("failed to listen: %v", err)
- }
- s := grpc.NewServer()
- pb.RegisterGreeterServer(s, &server{})
- if err := s.Serve(lis); err != nil {
- log.Fatalf("failed to serve: %v", err)
- }
- }
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