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main.go
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main.go
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/*
*
* Copyright 2018 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/codes"
"google.golang.org/grpc/credentials/alts"
ecpb "google.golang.org/grpc/examples/features/proto/echo"
"google.golang.org/grpc/status"
)
var port = flag.Int("port", 50051, "the port to serve on")
type ecServer struct{}
func (s *ecServer) UnaryEcho(ctx context.Context, req *ecpb.EchoRequest) (*ecpb.EchoResponse, error) {
return &ecpb.EchoResponse{Message: req.Message}, nil
}
func (s *ecServer) ServerStreamingEcho(*ecpb.EchoRequest, ecpb.Echo_ServerStreamingEchoServer) error {
return status.Errorf(codes.Unimplemented, "not implemented")
}
func (s *ecServer) ClientStreamingEcho(ecpb.Echo_ClientStreamingEchoServer) error {
return status.Errorf(codes.Unimplemented, "not implemented")
}
func (s *ecServer) BidirectionalStreamingEcho(ecpb.Echo_BidirectionalStreamingEchoServer) error {
return status.Errorf(codes.Unimplemented, "not implemented")
}
func main() {
flag.Parse()
lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
if err != nil {
log.Fatalf("failed to listen: %v", err)
}
// Create alts based credential.
altsTC := alts.NewServerCreds(alts.DefaultServerOptions())
s := grpc.NewServer(grpc.Creds(altsTC))
// Register EchoServer on the server.
ecpb.RegisterEchoServer(s, &ecServer{})
if err := s.Serve(lis); err != nil {
log.Fatalf("failed to serve: %v", err)
}
}