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65 lines
2.0 KiB
65 lines
2.0 KiB
/* |
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* |
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* Copyright 2018 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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// This binary can only run on Google Cloud Platform (GCP). |
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package main |
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import ( |
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"context" |
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"flag" |
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"time" |
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grpc "google.golang.org/grpc" |
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"google.golang.org/grpc/credentials/alts" |
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"google.golang.org/grpc/grpclog" |
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testpb "google.golang.org/grpc/interop/grpc_testing" |
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) |
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var ( |
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hsAddr = flag.String("alts_handshaker_service_address", "", "ALTS handshaker gRPC service address") |
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serverAddr = flag.String("server_address", ":8080", "The port on which the server is listening") |
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) |
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func main() { |
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flag.Parse() |
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opts := alts.DefaultClientOptions() |
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if *hsAddr != "" { |
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opts.HandshakerServiceAddress = *hsAddr |
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} |
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altsTC := alts.NewClientCreds(opts) |
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// Block until the server is ready. |
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conn, err := grpc.Dial(*serverAddr, grpc.WithTransportCredentials(altsTC), grpc.WithBlock()) |
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if err != nil { |
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grpclog.Fatalf("gRPC Client: failed to dial the server at %v: %v", *serverAddr, err) |
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} |
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defer conn.Close() |
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grpcClient := testpb.NewTestServiceClient(conn) |
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// Call the EmptyCall API. |
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ctx := context.Background() |
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request := &testpb.Empty{} |
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if _, err := grpcClient.EmptyCall(ctx, request); err != nil { |
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grpclog.Fatalf("grpc Client: EmptyCall(_, %v) failed: %v", request, err) |
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} |
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grpclog.Info("grpc Client: empty call succeeded") |
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// This sleep prevents the connection from being abruptly disconnected |
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// when running this binary (along with grpc_server) on GCP dev cluster. |
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time.Sleep(1 * time.Second) |
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}
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