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
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault
#include "mongo/platform/basic.h"
#include <boost/filesystem.hpp>
#include "mongo/base/init.h"
#include "mongo/db/dbdirectclient.h"
#include "mongo/db/service_context.h"
#include "mongo/embedded/embedded.h"
#include "mongo/embedded/embedded_options.h"
#include "mongo/embedded/embedded_options_helpers.h"
#include "mongo/scripting/bson_template_evaluator.h"
#include "mongo/shell/bench.h"
#include "mongo/tools/mongoebench_options.h"
#include "mongo/util/exit.h"
#include "mongo/util/log.h"
#include "mongo/util/options_parser/option_section.h"
#include "mongo/util/signal_handlers.h"
#include "mongo/util/text.h"
namespace mongo {
namespace {
/**
* DBDirectClientWithOwnOpCtx is a version of DBDirectClient that owns its own OperationContext.
*
* Since benchRun originally existed only in the mongo shell and was used with only
* DBClientConnections, there isn't a part of the BenchRunConfig or BenchRunWorker interfaces that
* is aware of having an OperationContext. In particular, the mongo shell lacks a ServiceContext and
* therefore also lacks the rest of the Client and OperationContext hierarchy. We shove an
* OperationContext onto the DBDirectClient to work around this limitation for mongoebench to work.
*/
class DBDirectClientWithOwnOpCtx : public DBDirectClient {
public:
DBDirectClientWithOwnOpCtx()
: DBDirectClient(nullptr), _threadClient(getGlobalServiceContext()) {
_opCtx = cc().makeOperationContext();
setOpCtx(_opCtx.get());
}
private:
ThreadClient _threadClient;
ServiceContext::UniqueOperationContext _opCtx;
};
MONGO_INITIALIZER_WITH_PREREQUISITES(SignalProcessingStartup, ("ThreadNameInitializer"))
(InitializerContext*) {
// Make sure we call this as soon as possible but before any other threads are started. Before
// embedded::initialize is too early and after is too late. So instead we hook in during the
// global initialization at the right place.
startSignalProcessingThread();
return Status::OK();
}
int mongoeBenchMain(int argc, char* argv[], char** envp) {
ServiceContext* serviceContext = nullptr;
registerShutdownTask([&]() {
if (serviceContext) {
embedded::shutdown(serviceContext);
}
});
setupSignalHandlers();
log() << "MongoDB embedded benchRun application, for testing purposes only";
try {
optionenvironment::OptionSection startupOptions("Options");
uassertStatusOK(embedded::addOptions(&startupOptions));
uassertStatusOK(addMongoeBenchOptions(&startupOptions));
uassertStatusOK(
embedded_integration_helpers::parseCommandLineOptions(argc, argv, startupOptions));
serviceContext = embedded::initialize(nullptr);
} catch (const std::exception& ex) {
error() << ex.what();
return EXIT_BADOPTIONS;
}
// If a "pre" section was present in the benchRun config file, then we run its operations once
// before running the operations from the "ops" section.
if (mongoeBenchGlobalParams.preConfig) {
auto conn = mongoeBenchGlobalParams.preConfig->createConnection();
boost::optional<LogicalSessionIdToClient> lsid;
PseudoRandom rng(mongoeBenchGlobalParams.preConfig->randomSeed);
BsonTemplateEvaluator bsonTemplateEvaluator(mongoeBenchGlobalParams.preConfig->randomSeed);
BenchRunStats stats;
BenchRunOp::State state(&rng, &bsonTemplateEvaluator, &stats);
for (auto&& op : mongoeBenchGlobalParams.preConfig->ops) {
op.executeOnce(conn.get(), lsid, *mongoeBenchGlobalParams.preConfig, &state);
}
}
// If an "ops" section was present in the benchRun config file, then we repeatedly run its
// operations across the configured number of threads for the configured number of seconds.
if (mongoeBenchGlobalParams.opsConfig) {
const double seconds = mongoeBenchGlobalParams.opsConfig->seconds;
auto runner = std::make_unique<BenchRunner>(mongoeBenchGlobalParams.opsConfig.release());
runner->start();
sleepmillis(static_cast<long long>(seconds * 1000));
BSONObj stats = BenchRunner::finish(runner.release());
log() << "writing stats to " << mongoeBenchGlobalParams.outputFile.string() << ": "
<< stats;
boost::filesystem::ofstream outfile(mongoeBenchGlobalParams.outputFile);
outfile << stats.jsonString() << '\n';
}
shutdown(EXIT_CLEAN);
}
} // namespace
MONGO_REGISTER_SHIM(BenchRunConfig::createConnectionImpl)
(const BenchRunConfig& config)->std::unique_ptr<DBClientBase> {
return std::unique_ptr<DBClientBase>(new DBDirectClientWithOwnOpCtx());
}
} // namespace mongo
#if defined(_WIN32)
// In Windows, wmain() is an alternate entry point for main(), and receives the same parameters as
// main() but encoded in Windows Unicode (UTF-16); "wide" 16-bit wchar_t characters. The
// WindowsCommandLine object converts these wide character strings to a UTF-8 coded equivalent and
// makes them available through the argv() and envp() members. This enables mongoeBenchMain() to
// process UTF-8 encoded arguments and environment variables without regard to platform.
int wmain(int argc, wchar_t* argvW[], wchar_t* envpW[]) {
mongo::WindowsCommandLine wcl(argc, argvW, envpW);
return mongo::mongoeBenchMain(argc, wcl.argv(), wcl.envp());
}
#else
int main(int argc, char* argv[], char** envp) {
return mongo::mongoeBenchMain(argc, argv, envp);
}
#endif
|
