| /* |
| * |
| * Copyright 2020 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 for xDS interop tests. |
| package main |
| |
| import ( |
| "context" |
| "flag" |
| "log" |
| "net" |
| "os" |
| "strconv" |
| |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/grpclog" |
| "google.golang.org/grpc/metadata" |
| |
| testgrpc "google.golang.org/grpc/interop/grpc_testing" |
| testpb "google.golang.org/grpc/interop/grpc_testing" |
| ) |
| |
| var ( |
| port = flag.Int("port", 8080, "The server port") |
| serverID = flag.String("server_id", "go_server", "Server ID included in response") |
| hostname = getHostname() |
| |
| logger = grpclog.Component("interop") |
| ) |
| |
| func getHostname() string { |
| hostname, err := os.Hostname() |
| if err != nil { |
| log.Fatalf("failed to get hostname: %v", err) |
| } |
| return hostname |
| } |
| |
| type server struct { |
| testgrpc.UnimplementedTestServiceServer |
| } |
| |
| func (s *server) EmptyCall(ctx context.Context, _ *testpb.Empty) (*testpb.Empty, error) { |
| grpc.SetHeader(ctx, metadata.Pairs("hostname", hostname)) |
| return &testpb.Empty{}, nil |
| } |
| |
| func (s *server) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) { |
| grpc.SetHeader(ctx, metadata.Pairs("hostname", hostname)) |
| return &testpb.SimpleResponse{ServerId: *serverID, Hostname: hostname}, nil |
| } |
| |
| func main() { |
| flag.Parse() |
| p := strconv.Itoa(*port) |
| lis, err := net.Listen("tcp", ":"+p) |
| if err != nil { |
| logger.Fatalf("failed to listen: %v", err) |
| } |
| s := grpc.NewServer() |
| testgrpc.RegisterTestServiceServer(s, &server{}) |
| s.Serve(lis) |
| } |