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
|
/*
*
* Copyright 2015 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 <atomic>
#include <thread>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpcpp/security/server_credentials.h>
#include <grpcpp/server.h>
#include <grpcpp/server_context.h>
#include "src/core/lib/gprpp/host_port.h"
#include "src/proto/grpc/testing/benchmark_service.grpc.pb.h"
#include "test/cpp/qps/qps_server_builder.h"
#include "test/cpp/qps/server.h"
#include "test/cpp/qps/usage_timer.h"
namespace grpc {
namespace testing {
class BenchmarkServiceImpl final : public BenchmarkService::Service {
public:
Status UnaryCall(ServerContext* /*context*/, const SimpleRequest* request,
SimpleResponse* response) override {
auto s = SetResponse(request, response);
if (!s.ok()) {
return s;
}
return Status::OK;
}
Status StreamingCall(
ServerContext* /*context*/,
ServerReaderWriter<SimpleResponse, SimpleRequest>* stream) override {
SimpleRequest request;
while (stream->Read(&request)) {
SimpleResponse response;
auto s = SetResponse(&request, &response);
if (!s.ok()) {
return s;
}
if (!stream->Write(response)) {
return Status(StatusCode::INTERNAL, "Server couldn't respond");
}
}
return Status::OK;
}
Status StreamingFromClient(ServerContext* context,
ServerReader<SimpleRequest>* stream,
SimpleResponse* response) override {
auto s = ClientPull(context, stream, response);
if (!s.ok()) {
return s;
}
return Status::OK;
}
Status StreamingFromServer(ServerContext* context,
const SimpleRequest* request,
ServerWriter<SimpleResponse>* stream) override {
SimpleResponse response;
auto s = SetResponse(request, &response);
if (!s.ok()) {
return s;
}
return ServerPush(context, stream, response, nullptr);
}
Status StreamingBothWays(
ServerContext* context,
ServerReaderWriter<SimpleResponse, SimpleRequest>* stream) override {
// Read the first client message to setup server response
SimpleRequest request;
if (!stream->Read(&request)) {
return Status::OK;
}
SimpleResponse response;
auto s = SetResponse(&request, &response);
if (!s.ok()) {
return s;
}
std::atomic_bool done;
Status sp;
std::thread t([context, stream, &response, &done, &sp]() {
sp = ServerPush(context, stream, response, [&done]() {
return done.load(std::memory_order_relaxed);
});
});
SimpleResponse phony;
auto cp = ClientPull(context, stream, &phony);
done.store(true, std::memory_order_relaxed); // can be lazy
t.join();
if (!cp.ok()) {
return cp;
}
if (!sp.ok()) {
return sp;
}
return Status::OK;
}
private:
template <class R>
static Status ClientPull(ServerContext* /*context*/, R* stream,
SimpleResponse* response) {
SimpleRequest request;
while (stream->Read(&request)) {
}
if (request.response_size() > 0) {
if (!Server::SetPayload(request.response_type(), request.response_size(),
response->mutable_payload())) {
return Status(grpc::StatusCode::INTERNAL, "Error creating payload.");
}
}
return Status::OK;
}
template <class W>
static Status ServerPush(ServerContext* /*context*/, W* stream,
const SimpleResponse& response,
const std::function<bool()>& done) {
while ((done == nullptr) || !done()) {
// TODO(vjpai): Add potential for rate-pacing on this
if (!stream->Write(response)) {
return Status(StatusCode::INTERNAL, "Server couldn't push");
}
}
return Status::OK;
}
static Status SetResponse(const SimpleRequest* request,
SimpleResponse* response) {
if (request->response_size() > 0) {
if (!Server::SetPayload(request->response_type(),
request->response_size(),
response->mutable_payload())) {
return Status(grpc::StatusCode::INTERNAL, "Error creating payload.");
}
}
return Status::OK;
}
};
class SynchronousServer final : public grpc::testing::Server {
public:
explicit SynchronousServer(const ServerConfig& config) : Server(config) {
std::unique_ptr<ServerBuilder> builder = CreateQpsServerBuilder();
auto port_num = port();
// Negative port number means inproc server, so no listen port needed
if (port_num >= 0) {
std::string server_address = grpc_core::JoinHostPort("::", port_num);
builder->AddListeningPort(server_address.c_str(),
Server::CreateServerCredentials(config),
&port_num);
}
ApplyConfigToBuilder(config, builder.get());
builder->RegisterService(&service_);
impl_ = builder->BuildAndStart();
if (impl_ == nullptr) {
gpr_log(GPR_ERROR, "Server: Fail to BuildAndStart(port=%d)", port_num);
} else {
gpr_log(GPR_INFO, "Server: BuildAndStart(port=%d)", port_num);
}
}
std::shared_ptr<Channel> InProcessChannel(
const ChannelArguments& args) override {
return impl_->InProcessChannel(args);
}
private:
BenchmarkServiceImpl service_;
std::unique_ptr<grpc::Server> impl_;
};
std::unique_ptr<grpc::testing::Server> CreateSynchronousServer(
const ServerConfig& config) {
return std::unique_ptr<Server>(new SynchronousServer(config));
}
} // namespace testing
} // namespace grpc
|
