aboutsummaryrefslogtreecommitdiffhomepage
path: root/test/cpp/performance/writes_per_rpc_test.cc
blob: 6c232450210d1d0dba63da032d906fe99f112082 (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
/*
 *
 * Copyright 2017 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.
 *
 */

#include <grpc++/channel.h>
#include <grpc++/create_channel.h>
#include <grpc++/impl/grpc_library.h>
#include <grpc++/security/credentials.h>
#include <grpc++/security/server_credentials.h>
#include <grpc++/server.h>
#include <grpc++/server_builder.h>
#include <grpc/support/log.h>
#include <gtest/gtest.h>

#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/iomgr/endpoint.h"
#include "src/core/lib/iomgr/endpoint_pair.h"
#include "src/core/lib/iomgr/exec_ctx.h"
#include "src/core/lib/iomgr/tcp_posix.h"
#include "src/core/lib/surface/channel.h"
#include "src/core/lib/surface/completion_queue.h"
#include "src/core/lib/surface/server.h"
#include "test/core/util/passthru_endpoint.h"
#include "test/core/util/port.h"

#include "src/cpp/client/create_channel_internal.h"
#include "src/proto/grpc/testing/echo.grpc.pb.h"
#include "test/core/util/test_config.h"

namespace grpc {
namespace testing {

static void* tag(intptr_t x) { return reinterpret_cast<void*>(x); }

static void ApplyCommonServerBuilderConfig(ServerBuilder* b) {
  b->SetMaxReceiveMessageSize(INT_MAX);
  b->SetMaxSendMessageSize(INT_MAX);
}

static void ApplyCommonChannelArguments(ChannelArguments* c) {
  c->SetInt(GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH, INT_MAX);
  c->SetInt(GRPC_ARG_MAX_SEND_MESSAGE_LENGTH, INT_MAX);
}

static class InitializeStuff {
 public:
  InitializeStuff() {
    init_lib_.init();
    rq_ = grpc_resource_quota_create("bm");
  }

  ~InitializeStuff() { init_lib_.shutdown(); }

  grpc_resource_quota* rq() { return rq_; }

 private:
  internal::GrpcLibrary init_lib_;
  grpc_resource_quota* rq_;
} initialize_stuff;

class EndpointPairFixture {
 public:
  EndpointPairFixture(Service* service, grpc_endpoint_pair endpoints) {
    ServerBuilder b;
    cq_ = b.AddCompletionQueue(true);
    b.RegisterService(service);
    ApplyCommonServerBuilderConfig(&b);
    server_ = b.BuildAndStart();

    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;

    /* add server endpoint to server_ */
    {
      const grpc_channel_args* server_args =
          grpc_server_get_channel_args(server_->c_server());
      grpc_transport* transport = grpc_create_chttp2_transport(
          &exec_ctx, server_args, endpoints.server, 0 /* is_client */);

      grpc_pollset** pollsets;
      size_t num_pollsets = 0;
      grpc_server_get_pollsets(server_->c_server(), &pollsets, &num_pollsets);

      for (size_t i = 0; i < num_pollsets; i++) {
        grpc_endpoint_add_to_pollset(&exec_ctx, endpoints.server, pollsets[i]);
      }

      grpc_server_setup_transport(&exec_ctx, server_->c_server(), transport,
                                  NULL, server_args);
      grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL);
    }

    /* create channel */
    {
      ChannelArguments args;
      args.SetString(GRPC_ARG_DEFAULT_AUTHORITY, "test.authority");
      ApplyCommonChannelArguments(&args);

      grpc_channel_args c_args = args.c_channel_args();
      grpc_transport* transport =
          grpc_create_chttp2_transport(&exec_ctx, &c_args, endpoints.client, 1);
      GPR_ASSERT(transport);
      grpc_channel* channel = grpc_channel_create(
          &exec_ctx, "target", &c_args, GRPC_CLIENT_DIRECT_CHANNEL, transport);
      grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL);

      channel_ = CreateChannelInternal("", channel);
    }

    grpc_exec_ctx_finish(&exec_ctx);
  }

  virtual ~EndpointPairFixture() {
    server_->Shutdown();
    cq_->Shutdown();
    void* tag;
    bool ok;
    while (cq_->Next(&tag, &ok)) {
    }
  }

  ServerCompletionQueue* cq() { return cq_.get(); }
  std::shared_ptr<Channel> channel() { return channel_; }

 private:
  std::unique_ptr<Server> server_;
  std::unique_ptr<ServerCompletionQueue> cq_;
  std::shared_ptr<Channel> channel_;
};

class InProcessCHTTP2 : public EndpointPairFixture {
 public:
  InProcessCHTTP2(Service* service)
      : EndpointPairFixture(service, MakeEndpoints()) {}

  int writes_performed() const { return stats_.num_writes; }

 private:
  grpc_passthru_endpoint_stats stats_;

  grpc_endpoint_pair MakeEndpoints() {
    grpc_endpoint_pair p;
    grpc_passthru_endpoint_create(&p.client, &p.server, initialize_stuff.rq(),
                                  &stats_);
    return p;
  }
};

static double UnaryPingPong(int request_size, int response_size) {
  const int kIterations = 10000;

  EchoTestService::AsyncService service;
  std::unique_ptr<InProcessCHTTP2> fixture(new InProcessCHTTP2(&service));
  EchoRequest send_request;
  EchoResponse send_response;
  EchoResponse recv_response;
  if (request_size > 0) {
    send_request.set_message(std::string(request_size, 'a'));
  }
  if (response_size > 0) {
    send_response.set_message(std::string(response_size, 'a'));
  }
  Status recv_status;
  struct ServerEnv {
    ServerContext ctx;
    EchoRequest recv_request;
    grpc::ServerAsyncResponseWriter<EchoResponse> response_writer;
    ServerEnv() : response_writer(&ctx) {}
  };
  uint8_t server_env_buffer[2 * sizeof(ServerEnv)];
  ServerEnv* server_env[2] = {
      reinterpret_cast<ServerEnv*>(server_env_buffer),
      reinterpret_cast<ServerEnv*>(server_env_buffer + sizeof(ServerEnv))};
  new (server_env[0]) ServerEnv;
  new (server_env[1]) ServerEnv;
  service.RequestEcho(&server_env[0]->ctx, &server_env[0]->recv_request,
                      &server_env[0]->response_writer, fixture->cq(),
                      fixture->cq(), tag(0));
  service.RequestEcho(&server_env[1]->ctx, &server_env[1]->recv_request,
                      &server_env[1]->response_writer, fixture->cq(),
                      fixture->cq(), tag(1));
  std::unique_ptr<EchoTestService::Stub> stub(
      EchoTestService::NewStub(fixture->channel()));
  for (int iteration = 0; iteration < kIterations; iteration++) {
    recv_response.Clear();
    ClientContext cli_ctx;
    std::unique_ptr<ClientAsyncResponseReader<EchoResponse>> response_reader(
        stub->AsyncEcho(&cli_ctx, send_request, fixture->cq()));
    void* t;
    bool ok;
    GPR_ASSERT(fixture->cq()->Next(&t, &ok));
    GPR_ASSERT(ok);
    GPR_ASSERT(t == tag(0) || t == tag(1));
    intptr_t slot = reinterpret_cast<intptr_t>(t);
    ServerEnv* senv = server_env[slot];
    senv->response_writer.Finish(send_response, Status::OK, tag(3));
    response_reader->Finish(&recv_response, &recv_status, tag(4));
    for (int i = (1 << 3) | (1 << 4); i != 0;) {
      GPR_ASSERT(fixture->cq()->Next(&t, &ok));
      GPR_ASSERT(ok);
      int tagnum = (int)reinterpret_cast<intptr_t>(t);
      GPR_ASSERT(i & (1 << tagnum));
      i -= 1 << tagnum;
    }
    GPR_ASSERT(recv_status.ok());

    senv->~ServerEnv();
    senv = new (senv) ServerEnv();
    service.RequestEcho(&senv->ctx, &senv->recv_request, &senv->response_writer,
                        fixture->cq(), fixture->cq(), tag(slot));
  }

  double writes_per_iteration =
      (double)fixture->writes_performed() / (double)kIterations;

  fixture.reset();
  server_env[0]->~ServerEnv();
  server_env[1]->~ServerEnv();

  return writes_per_iteration;
}

TEST(WritesPerRpcTest, UnaryPingPong) {
  EXPECT_LT(UnaryPingPong(0, 0), 2.05);
  EXPECT_LT(UnaryPingPong(1, 0), 2.05);
  EXPECT_LT(UnaryPingPong(0, 1), 2.05);
  EXPECT_LT(UnaryPingPong(4096, 0), 2.5);
  EXPECT_LT(UnaryPingPong(0, 4096), 2.5);
}

}  // namespace testing
}  // namespace grpc

int main(int argc, char** argv) {
  grpc_test_init(argc, argv);
  ::testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}