package main import ( "fmt" "time" "golang.org/x/net/context" "google.golang.org/grpc" pingpong "grpc_pingpong/github.com/occlum/demos/grpc_pingpong/pingpong" ) func main() { conn, err := grpc.Dial("localhost:8888", grpc.WithInsecure()) if err != nil { fmt.Printf("Failed to connect: %s\n", err) } defer conn.Close() previousTime := time.Now() fmt.Printf("Ping: at %s\n", previousTime.Format("2006-01-02T15:04:05.999999999Z07:00")) client := pingpong.NewPingPongServiceClient(conn) response, err := client.PingPong(context.Background(), &pingpong.PingPongMesg{Ping: "Hello"}) if err != nil { fmt.Printf("Error when calling PingPongHandler: %s\n", err) } fmt.Printf("Pong from server: %s (at %s)\n", response.Pong, response.Timestamp) currentTime := time.Now() fmt.Printf("End-to-End latency is: %f Seconds\n", currentTime.Sub(previousTime).Seconds()) }