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hello-server.go
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/
hello-server.go
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package main
import (
"context"
"google.golang.org/grpc"
"net"
"log"
"io"
)
// HelloServiceImpl is the implemenation of gRPC HelloService.
type HelloServiceImpl struct{}
// Hello is the RPC method of HelloServiceImpl.
func (p *HelloServiceImpl) Hello(ctx context.Context, args *String) (*String, error) {
reply := &String{Value: "hello:" + args.GetValue()}
return reply, nil
}
// Channel is the streaming between server and client.
func (p *HelloServiceImpl) Channel(stream HelloService_ChannelServer) error {
for {
args, err := stream.Recv()
if err != nil {
if err == io.EOF {
return nil
}
return err
}
reply := &String{Value: "hello" + args.GetValue()}
err = stream.Send(reply)
if err != nil {
return err
}
}
}
func main() {
grpcServer := grpc.NewServer()
RegisterHelloServiceServer(grpcServer, new(HelloServiceImpl))
listen, err := net.Listen("tcp", ":1234")
if err != nil {
log.Fatal(err)
}
grpcServer.Serve(listen)
}