aboutsummaryrefslogtreecommitdiffhomepage
path: root/test/cpp/interop/client.cc
blob: 78f2063c45baa647b3cde2fdbd8b5b6af68b19e8 (plain)
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
/*
 *
 * Copyright 2015, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <chrono>
#include <fstream>
#include <memory>
#include <sstream>
#include <string>
#include <thread>

#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include <gflags/gflags.h>
#include <grpc++/channel_arguments.h>
#include <grpc++/channel_interface.h>
#include <grpc++/client_context.h>
#include <grpc++/create_channel.h>
#include <grpc++/credentials.h>
#include <grpc++/status.h>
#include <grpc++/stream.h>
#include "test/cpp/util/create_test_channel.h"
#include "test/cpp/interop/test.pb.h"
#include "test/cpp/interop/empty.pb.h"
#include "test/cpp/interop/messages.pb.h"

DEFINE_bool(enable_ssl, false, "Whether to use ssl/tls.");
DEFINE_bool(use_prod_roots, false, "True to use SSL roots for google");
DEFINE_int32(server_port, 0, "Server port.");
DEFINE_string(server_host, "127.0.0.1", "Server host to connect to");
DEFINE_string(server_host_override, "foo.test.google.com",
              "Override the server host which is sent in HTTP header");
DEFINE_string(test_case, "large_unary",
              "Configure different test cases. Valid options are: "
              "empty_unary : empty (zero bytes) request and response; "
              "large_unary : single request and (large) response; "
              "client_streaming : request streaming with single response; "
              "server_streaming : single request with response streaming; "
              "slow_consumer : single request with response; "
              " streaming with slow client consumer; "
              "half_duplex : half-duplex streaming; "
              "ping_pong : full-duplex streaming; "
              "service_account_creds : large_unary with service_account auth; "
              "compute_engine_creds: large_unary with compute engine auth; "
              "all : all of above.");
DEFINE_string(default_service_account, "",
              "Email of GCE default service account");
DEFINE_string(service_account_key_file, "",
              "Path to service account json key file.");
DEFINE_string(oauth_scope, "", "Scope for OAuth tokens.");

using grpc::ChannelInterface;
using grpc::ClientContext;
using grpc::CreateTestChannel;
using grpc::Credentials;
using grpc::CredentialsFactory;
using grpc::testing::ResponseParameters;
using grpc::testing::SimpleRequest;
using grpc::testing::SimpleResponse;
using grpc::testing::StreamingInputCallRequest;
using grpc::testing::StreamingInputCallResponse;
using grpc::testing::StreamingOutputCallRequest;
using grpc::testing::StreamingOutputCallResponse;
using grpc::testing::TestService;

// In some distros, gflags is in the namespace google, and in some others,
// in gflags. This hack is enabling us to find both.
namespace google { }
namespace gflags { }
using namespace google;
using namespace gflags;

namespace {
// The same value is defined by the Java client.
const std::vector<int> request_stream_sizes = {27182, 8, 1828, 45904};
const std::vector<int> response_stream_sizes = {31415, 9, 2653, 58979};
const int kNumResponseMessages = 2000;
const int kResponseMessageSize = 1030;
const int kReceiveDelayMilliSeconds = 20;
const int kLargeRequestSize = 314159;
const int kLargeResponseSize = 271812;
}  // namespace

grpc::string GetServiceAccountJsonKey() {
  static grpc::string json_key;
  if (json_key.empty()) {
    std::ifstream json_key_file(FLAGS_service_account_key_file);
    std::stringstream key_stream;
    key_stream << json_key_file.rdbuf();
    json_key = key_stream.str();
  }
  return json_key;
}

std::shared_ptr<ChannelInterface> CreateChannelForTestCase(
    const grpc::string& test_case) {
  GPR_ASSERT(FLAGS_server_port);
  const int host_port_buf_size = 1024;
  char host_port[host_port_buf_size];
  snprintf(host_port, host_port_buf_size, "%s:%d", FLAGS_server_host.c_str(),
           FLAGS_server_port);

  if (test_case == "service_account_creds") {
    std::unique_ptr<Credentials> creds;
    GPR_ASSERT(FLAGS_enable_ssl);
    grpc::string json_key = GetServiceAccountJsonKey();
    creds = CredentialsFactory::ServiceAccountCredentials(
        json_key, FLAGS_oauth_scope, std::chrono::hours(1));
    return CreateTestChannel(host_port, FLAGS_server_host_override,
                             FLAGS_enable_ssl, FLAGS_use_prod_roots, creds);
  } else if (test_case == "compute_engine_creds") {
    std::unique_ptr<Credentials> creds;
    GPR_ASSERT(FLAGS_enable_ssl);
    creds = CredentialsFactory::ComputeEngineCredentials();
    return CreateTestChannel(host_port, FLAGS_server_host_override,
                             FLAGS_enable_ssl, FLAGS_use_prod_roots, creds);
  } else {
    return CreateTestChannel(host_port, FLAGS_server_host_override,
                             FLAGS_enable_ssl, FLAGS_use_prod_roots);
  }
}

void DoEmpty() {
  gpr_log(GPR_INFO, "Sending an empty rpc...");
  std::shared_ptr<ChannelInterface> channel =
      CreateChannelForTestCase("empty_unary");
  std::unique_ptr<TestService::Stub> stub(TestService::NewStub(channel));

  grpc::testing::Empty request = grpc::testing::Empty::default_instance();
  grpc::testing::Empty response = grpc::testing::Empty::default_instance();
  ClientContext context;

  grpc::Status s = stub->EmptyCall(&context, request, &response);

  GPR_ASSERT(s.IsOk());
  gpr_log(GPR_INFO, "Empty rpc done.");
}

// Shared code to set large payload, make rpc and check response payload.
void PerformLargeUnary(std::shared_ptr<ChannelInterface> channel,
                       SimpleRequest* request, SimpleResponse* response) {
  std::unique_ptr<TestService::Stub> stub(TestService::NewStub(channel));

  ClientContext context;
  request->set_response_type(grpc::testing::PayloadType::COMPRESSABLE);
  request->set_response_size(kLargeResponseSize);
  grpc::string payload(kLargeRequestSize, '\0');
  request->mutable_payload()->set_body(payload.c_str(), kLargeRequestSize);

  grpc::Status s = stub->UnaryCall(&context, *request, response);

  GPR_ASSERT(s.IsOk());
  GPR_ASSERT(response->payload().type() ==
             grpc::testing::PayloadType::COMPRESSABLE);
  GPR_ASSERT(response->payload().body() ==
             grpc::string(kLargeResponseSize, '\0'));
}

void DoComputeEngineCreds() {
  gpr_log(GPR_INFO,
          "Sending a large unary rpc with compute engine credentials ...");
  std::shared_ptr<ChannelInterface> channel =
      CreateChannelForTestCase("compute_engine_creds");
  SimpleRequest request;
  SimpleResponse response;
  request.set_fill_username(true);
  request.set_fill_oauth_scope(true);
  PerformLargeUnary(channel, &request, &response);
  gpr_log(GPR_INFO, "Got username %s", response.username().c_str());
  gpr_log(GPR_INFO, "Got oauth_scope %s", response.oauth_scope().c_str());
  GPR_ASSERT(!response.username().empty());
  GPR_ASSERT(response.username().c_str() == FLAGS_default_service_account);
  GPR_ASSERT(!response.oauth_scope().empty());
  const char *oauth_scope_str = response.oauth_scope().c_str();
  GPR_ASSERT(FLAGS_oauth_scope.find(oauth_scope_str) != grpc::string::npos);
  gpr_log(GPR_INFO, "Large unary with compute engine creds done.");
}

void DoServiceAccountCreds() {
  gpr_log(GPR_INFO,
          "Sending a large unary rpc with service account credentials ...");
  std::shared_ptr<ChannelInterface> channel =
      CreateChannelForTestCase("service_account_creds");
  SimpleRequest request;
  SimpleResponse response;
  request.set_fill_username(true);
  request.set_fill_oauth_scope(true);
  PerformLargeUnary(channel, &request, &response);
  GPR_ASSERT(!response.username().empty());
  GPR_ASSERT(!response.oauth_scope().empty());
  grpc::string json_key = GetServiceAccountJsonKey();
  GPR_ASSERT(json_key.find(response.username()) != grpc::string::npos);
  const char *oauth_scope_str = response.oauth_scope().c_str();
  GPR_ASSERT(FLAGS_oauth_scope.find(oauth_scope_str) != grpc::string::npos);
  gpr_log(GPR_INFO, "Large unary with service account creds done.");
}

void DoLargeUnary() {
  gpr_log(GPR_INFO, "Sending a large unary rpc...");
  std::shared_ptr<ChannelInterface> channel =
      CreateChannelForTestCase("large_unary");
  SimpleRequest request;
  SimpleResponse response;
  PerformLargeUnary(channel, &request, &response);
  gpr_log(GPR_INFO, "Large unary done.");
}

void DoRequestStreaming() {
  gpr_log(GPR_INFO, "Sending request steaming rpc ...");
  std::shared_ptr<ChannelInterface> channel =
      CreateChannelForTestCase("client_streaming");
  std::unique_ptr<TestService::Stub> stub(TestService::NewStub(channel));

  grpc::ClientContext context;
  StreamingInputCallRequest request;
  StreamingInputCallResponse response;

  std::unique_ptr<grpc::ClientWriter<StreamingInputCallRequest>> stream(
      stub->StreamingInputCall(&context, &response));

  int aggregated_payload_size = 0;
  for (unsigned int i = 0; i < request_stream_sizes.size(); ++i) {
    grpc::testing::Payload* payload = request.mutable_payload();
    payload->set_body(grpc::string(request_stream_sizes[i], '\0'));
    GPR_ASSERT(stream->Write(request));
    aggregated_payload_size += request_stream_sizes[i];
  }
  stream->WritesDone();
  grpc::Status s = stream->Finish();

  GPR_ASSERT(response.aggregated_payload_size() == aggregated_payload_size);
  GPR_ASSERT(s.IsOk());
  gpr_log(GPR_INFO, "Request streaming done.");
}

void DoResponseStreaming() {
  gpr_log(GPR_INFO, "Receiving response steaming rpc ...");
  std::shared_ptr<ChannelInterface> channel =
      CreateChannelForTestCase("server_streaming");
  std::unique_ptr<TestService::Stub> stub(TestService::NewStub(channel));

  grpc::ClientContext context;
  StreamingOutputCallRequest request;
  for (unsigned int i = 0; i < response_stream_sizes.size(); ++i) {
    ResponseParameters* response_parameter = request.add_response_parameters();
    response_parameter->set_size(response_stream_sizes[i]);
  }
  StreamingOutputCallResponse response;
  std::unique_ptr<grpc::ClientReader<StreamingOutputCallResponse>> stream(
      stub->StreamingOutputCall(&context, request));

  unsigned int i = 0;
  while (stream->Read(&response)) {
    GPR_ASSERT(response.payload().body() ==
               grpc::string(response_stream_sizes[i], '\0'));
    ++i;
  }
  GPR_ASSERT(response_stream_sizes.size() == i);
  grpc::Status s = stream->Finish();

  GPR_ASSERT(s.IsOk());
  gpr_log(GPR_INFO, "Response streaming done.");
}

void DoResponseStreamingWithSlowConsumer() {
  gpr_log(GPR_INFO, "Receiving response steaming rpc with slow consumer ...");
  std::shared_ptr<ChannelInterface> channel =
      CreateChannelForTestCase("slow_consumer");
  std::unique_ptr<TestService::Stub> stub(TestService::NewStub(channel));

  grpc::ClientContext context;
  StreamingOutputCallRequest request;

  for (int i = 0; i < kNumResponseMessages; ++i) {
    ResponseParameters* response_parameter = request.add_response_parameters();
    response_parameter->set_size(kResponseMessageSize);
  }
  StreamingOutputCallResponse response;
  std::unique_ptr<grpc::ClientReader<StreamingOutputCallResponse>> stream(
      stub->StreamingOutputCall(&context, request));

  int i = 0;
  while (stream->Read(&response)) {
    GPR_ASSERT(response.payload().body() ==
               grpc::string(kResponseMessageSize, '\0'));
    gpr_log(GPR_INFO, "received message %d", i);
    std::this_thread::sleep_for(
        std::chrono::milliseconds(kReceiveDelayMilliSeconds));
    ++i;
  }
  GPR_ASSERT(kNumResponseMessages == i);
  grpc::Status s = stream->Finish();

  GPR_ASSERT(s.IsOk());
  gpr_log(GPR_INFO, "Response streaming done.");
}

void DoHalfDuplex() {
  gpr_log(GPR_INFO, "Sending half-duplex streaming rpc ...");
  std::shared_ptr<ChannelInterface> channel =
      CreateChannelForTestCase("half_duplex");
  std::unique_ptr<TestService::Stub> stub(TestService::NewStub(channel));

  grpc::ClientContext context;
  std::unique_ptr<grpc::ClientReaderWriter<StreamingOutputCallRequest,
                                           StreamingOutputCallResponse>>
      stream(stub->HalfDuplexCall(&context));

  StreamingOutputCallRequest request;
  ResponseParameters* response_parameter = request.add_response_parameters();
  for (unsigned int i = 0; i < response_stream_sizes.size(); ++i) {
    response_parameter->set_size(response_stream_sizes[i]);
    GPR_ASSERT(stream->Write(request));
  }
  stream->WritesDone();

  unsigned int i = 0;
  StreamingOutputCallResponse response;
  while (stream->Read(&response)) {
    GPR_ASSERT(response.payload().has_body());
    GPR_ASSERT(response.payload().body() ==
               grpc::string(response_stream_sizes[i], '\0'));
    ++i;
  }
  GPR_ASSERT(response_stream_sizes.size() == i);
  grpc::Status s = stream->Finish();
  GPR_ASSERT(s.IsOk());
  gpr_log(GPR_INFO, "Half-duplex streaming rpc done.");
}

void DoPingPong() {
  gpr_log(GPR_INFO, "Sending Ping Pong streaming rpc ...");
  std::shared_ptr<ChannelInterface> channel =
      CreateChannelForTestCase("ping_pong");
  std::unique_ptr<TestService::Stub> stub(TestService::NewStub(channel));

  grpc::ClientContext context;
  std::unique_ptr<grpc::ClientReaderWriter<StreamingOutputCallRequest,
                                           StreamingOutputCallResponse>>
      stream(stub->FullDuplexCall(&context));

  StreamingOutputCallRequest request;
  request.set_response_type(grpc::testing::PayloadType::COMPRESSABLE);
  ResponseParameters* response_parameter = request.add_response_parameters();
  grpc::testing::Payload* payload = request.mutable_payload();
  StreamingOutputCallResponse response;
  for (unsigned int i = 0; i < request_stream_sizes.size(); ++i) {
    response_parameter->set_size(response_stream_sizes[i]);
    payload->set_body(grpc::string(request_stream_sizes[i], '\0'));
    GPR_ASSERT(stream->Write(request));
    GPR_ASSERT(stream->Read(&response));
    GPR_ASSERT(response.payload().has_body());
    GPR_ASSERT(response.payload().body() ==
               grpc::string(response_stream_sizes[i], '\0'));
  }

  stream->WritesDone();
  GPR_ASSERT(!stream->Read(&response));
  grpc::Status s = stream->Finish();
  GPR_ASSERT(s.IsOk());
  gpr_log(GPR_INFO, "Ping pong streaming done.");
}

int main(int argc, char** argv) {
  grpc_init();

  ParseCommandLineFlags(&argc, &argv, true);

  if (FLAGS_test_case == "empty_unary") {
    DoEmpty();
  } else if (FLAGS_test_case == "large_unary") {
    DoLargeUnary();
  } else if (FLAGS_test_case == "client_streaming") {
    DoRequestStreaming();
  } else if (FLAGS_test_case == "server_streaming") {
    DoResponseStreaming();
  } else if (FLAGS_test_case == "slow_consumer") {
    DoResponseStreamingWithSlowConsumer();
  } else if (FLAGS_test_case == "half_duplex") {
    DoHalfDuplex();
  } else if (FLAGS_test_case == "ping_pong") {
    DoPingPong();
  } else if (FLAGS_test_case == "service_account_creds") {
    DoServiceAccountCreds();
  } else if (FLAGS_test_case == "compute_engine_creds") {
    DoComputeEngineCreds();
  } else if (FLAGS_test_case == "all") {
    DoEmpty();
    DoLargeUnary();
    DoRequestStreaming();
    DoResponseStreaming();
    DoHalfDuplex();
    DoPingPong();
    // service_account_creds can only run with ssl.
    if (FLAGS_enable_ssl) {
      DoServiceAccountCreds();
    }
    // compute_engine_creds only runs in GCE.
  } else {
    gpr_log(
        GPR_ERROR,
        "Unsupported test case %s. Valid options are all|empty_unary|"
        "large_unary|client_streaming|server_streaming|half_duplex|ping_pong|"
        "service_account_creds|compute_engine_creds",
        FLAGS_test_case.c_str());
  }

  grpc_shutdown();
  return 0;
}