1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
*
* 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.
*
*/
// This binary can only run on Google Cloud Platform (GCP).
package main
import (
"context"
"flag"
"time"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/alts"
"google.golang.org/grpc/grpclog"
testgrpc "google.golang.org/grpc/interop/grpc_testing"
testpb "google.golang.org/grpc/interop/grpc_testing"
)
var (
hsAddr = flag.String("alts_handshaker_service_address", "", "ALTS handshaker gRPC service address")
serverAddr = flag.String("server_address", ":8080", "The port on which the server is listening")
logger = grpclog.Component("interop")
)
func main() {
flag.Parse()
opts := alts.DefaultClientOptions()
if *hsAddr != "" {
opts.HandshakerServiceAddress = *hsAddr
}
altsTC := alts.NewClientCreds(opts)
// Block until the server is ready.
conn, err := grpc.Dial(*serverAddr, grpc.WithTransportCredentials(altsTC), grpc.WithBlock())
if err != nil {
logger.Fatalf("gRPC Client: failed to dial the server at %v: %v", *serverAddr, err)
}
defer conn.Close()
grpcClient := testgrpc.NewTestServiceClient(conn)
// Call the EmptyCall API.
ctx := context.Background()
request := &testpb.Empty{}
if _, err := grpcClient.EmptyCall(ctx, request); err != nil {
logger.Fatalf("grpc Client: EmptyCall(_, %v) failed: %v", request, err)
}
logger.Info("grpc Client: empty call succeeded")
// This sleep prevents the connection from being abruptly disconnected
// when running this binary (along with grpc_server) on GCP dev cluster.
time.Sleep(1 * time.Second)
}
|
