| 60 | } |
| 61 | |
| 62 | func main() { |
| 63 | /***** Set up the server serving channelz service. *****/ |
| 64 | lis, err := net.Listen("tcp", ":50052") |
| 65 | if err != nil { |
| 66 | log.Fatalf("failed to listen: %v", err) |
| 67 | } |
| 68 | defer lis.Close() |
| 69 | s := grpc.NewServer() |
| 70 | service.RegisterChannelzServiceToServer(s) |
| 71 | go s.Serve(lis) |
| 72 | defer s.Stop() |
| 73 | |
| 74 | /***** Start three GreeterServers(with one of them to be the slowServer). *****/ |
| 75 | for i := 0; i < 3; i++ { |
| 76 | lis, err := net.Listen("tcp", ports[i]) |
| 77 | if err != nil { |
| 78 | log.Fatalf("failed to listen: %v", err) |
| 79 | } |
| 80 | defer lis.Close() |
| 81 | s := grpc.NewServer() |
| 82 | if i == 2 { |
| 83 | pb.RegisterGreeterServer(s, &slowServer{}) |
| 84 | } else { |
| 85 | pb.RegisterGreeterServer(s, &server{}) |
| 86 | } |
| 87 | go s.Serve(lis) |
| 88 | } |
| 89 | |
| 90 | /***** Wait for user exiting the program *****/ |
| 91 | select {} |
| 92 | } |