1 //
2 //
3 // Copyright 2016 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18
19 // Benchmark gRPC end2end in various configurations
20
21 #ifndef GRPC_TEST_CPP_MICROBENCHMARKS_FULLSTACK_UNARY_PING_PONG_H
22 #define GRPC_TEST_CPP_MICROBENCHMARKS_FULLSTACK_UNARY_PING_PONG_H
23
24 #include <sstream>
25
26 #include <benchmark/benchmark.h>
27
28 #include "src/proto/grpc/testing/echo.grpc.pb.h"
29 #include "test/cpp/microbenchmarks/fullstack_context_mutators.h"
30 #include "test/cpp/microbenchmarks/fullstack_fixtures.h"
31
32 namespace grpc {
33 namespace testing {
34
35 //******************************************************************************
36 // BENCHMARKING KERNELS
37 //
38
tag(intptr_t x)39 static void* tag(intptr_t x) { return reinterpret_cast<void*>(x); }
40
41 template <class Fixture, class ClientContextMutator, class ServerContextMutator>
BM_UnaryPingPong(benchmark::State & state)42 static void BM_UnaryPingPong(benchmark::State& state) {
43 EchoTestService::AsyncService service;
44 std::unique_ptr<Fixture> fixture(new Fixture(&service));
45 EchoRequest send_request;
46 EchoResponse send_response;
47 EchoResponse recv_response;
48 if (state.range(0) > 0) {
49 send_request.set_message(std::string(state.range(0), 'a'));
50 }
51 if (state.range(1) > 0) {
52 send_response.set_message(std::string(state.range(1), 'a'));
53 }
54 Status recv_status;
55 struct ServerEnv {
56 ServerContext ctx;
57 EchoRequest recv_request;
58 grpc::ServerAsyncResponseWriter<EchoResponse> response_writer;
59 ServerEnv() : response_writer(&ctx) {}
60 };
61 uint8_t server_env_buffer[2 * sizeof(ServerEnv)];
62 ServerEnv* server_env[2] = {
63 reinterpret_cast<ServerEnv*>(server_env_buffer),
64 reinterpret_cast<ServerEnv*>(server_env_buffer + sizeof(ServerEnv))};
65 new (server_env[0]) ServerEnv;
66 new (server_env[1]) ServerEnv;
67 service.RequestEcho(&server_env[0]->ctx, &server_env[0]->recv_request,
68 &server_env[0]->response_writer, fixture->cq(),
69 fixture->cq(), tag(0));
70 service.RequestEcho(&server_env[1]->ctx, &server_env[1]->recv_request,
71 &server_env[1]->response_writer, fixture->cq(),
72 fixture->cq(), tag(1));
73 std::unique_ptr<EchoTestService::Stub> stub(
74 EchoTestService::NewStub(fixture->channel()));
75 for (auto _ : state) {
76 recv_response.Clear();
77 ClientContext cli_ctx;
78 ClientContextMutator cli_ctx_mut(&cli_ctx);
79 std::unique_ptr<ClientAsyncResponseReader<EchoResponse>> response_reader(
80 stub->AsyncEcho(&cli_ctx, send_request, fixture->cq()));
81 response_reader->Finish(&recv_response, &recv_status, tag(4));
82 void* t;
83 bool ok;
84 GPR_ASSERT(fixture->cq()->Next(&t, &ok));
85 GPR_ASSERT(ok);
86 GPR_ASSERT(t == tag(0) || t == tag(1));
87 intptr_t slot = reinterpret_cast<intptr_t>(t);
88 ServerEnv* senv = server_env[slot];
89 ServerContextMutator svr_ctx_mut(&senv->ctx);
90 senv->response_writer.Finish(send_response, Status::OK, tag(3));
91 for (int i = (1 << 3) | (1 << 4); i != 0;) {
92 GPR_ASSERT(fixture->cq()->Next(&t, &ok));
93 GPR_ASSERT(ok);
94 int tagnum = static_cast<int>(reinterpret_cast<intptr_t>(t));
95 GPR_ASSERT(i & (1 << tagnum));
96 i -= 1 << tagnum;
97 }
98 GPR_ASSERT(recv_status.ok());
99
100 senv->~ServerEnv();
101 senv = new (senv) ServerEnv();
102 service.RequestEcho(&senv->ctx, &senv->recv_request, &senv->response_writer,
103 fixture->cq(), fixture->cq(), tag(slot));
104 }
105 fixture.reset();
106 server_env[0]->~ServerEnv();
107 server_env[1]->~ServerEnv();
108 state.SetBytesProcessed(state.range(0) * state.iterations() +
109 state.range(1) * state.iterations());
110 }
111 } // namespace testing
112 } // namespace grpc
113
114 #endif // GRPC_TEST_CPP_MICROBENCHMARKS_FULLSTACK_UNARY_PING_PONG_H
115