grpc-go/examples/features/unix_abstract/server/main.go

59 lines
1.5 KiB
Go

//go:build linux
// +build linux
/*
*
* Copyright 2021 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 listening for gRPC connections on an
// abstract unix socket.
package main
import (
"context"
"fmt"
"log"
"net"
"google.golang.org/grpc"
pb "google.golang.org/grpc/examples/features/proto/echo"
)
type ecServer struct {
pb.UnimplementedEchoServer
addr string
}
func (s *ecServer) UnaryEcho(ctx context.Context, req *pb.EchoRequest) (*pb.EchoResponse, error) {
return &pb.EchoResponse{Message: fmt.Sprintf("%s (from %s)", req.Message, s.addr)}, nil
}
func main() {
netw, addr := "unix", "\x00abstract-unix-socket"
lis, err := net.Listen(netw, addr)
if err != nil {
log.Fatalf("net.Listen(%q, %q) failed: %v", netw, addr, err)
}
s := grpc.NewServer()
pb.RegisterEchoServer(s, &ecServer{addr: addr})
log.Printf("serving on %s\n", lis.Addr().String())
if err := s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}