| /* |
| * |
| * Copyright 2015 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. |
| * |
| */ |
| |
| package main |
| |
| import ( |
| "log" |
| "os" |
| |
| "golang.org/x/net/context" |
| "google.golang.org/grpc" |
| pb "google.golang.org/grpc/examples/helloworld/helloworld" |
| ) |
| |
| const ( |
| address = "localhost:50051" |
| defaultName = "world" |
| ) |
| |
| func main() { |
| // Set up a connection to the server. |
| conn, err := grpc.Dial(address, grpc.WithInsecure()) |
| if err != nil { |
| log.Fatalf("did not connect: %v", err) |
| } |
| defer conn.Close() |
| c := pb.NewGreeterClient(conn) |
| |
| // Contact the server and print out its response. |
| name := defaultName |
| if len(os.Args) > 1 { |
| name = os.Args[1] |
| } |
| r, err := c.SayHello(context.Background(), &pb.HelloRequest{Name: name}) |
| if err != nil { |
| log.Fatalf("could not greet: %v", err) |
| } |
| log.Printf("Greeting: %s", r.Message) |
| } |