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/**
* 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 "mongo/base/init.h"
#include "mongo/db/mongod_options.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/embedded/service_entry_point_embedded.h"
#include "mongo/transport/service_entry_point_impl.h"
#include "mongo/transport/transport_layer.h"
#include "mongo/transport/transport_layer_manager.h"
#include "mongo/util/exit.h"
#include "mongo/util/log.h"
#include "mongo/util/options_parser/options_parser.h"
#include "mongo/util/options_parser/startup_options.h"
#include "mongo/util/signal_handlers.h"
#include "mongo/util/text.h"
#include <yaml-cpp/yaml.h>
namespace mongo {
namespace {
class ServiceEntryPointMongoe : public ServiceEntryPointImpl {
public:
explicit ServiceEntryPointMongoe(ServiceContext* svcCtx)
: ServiceEntryPointImpl(svcCtx),
_sepEmbedded(std::make_unique<ServiceEntryPointEmbedded>()) {}
DbResponse handleRequest(OperationContext* opCtx, const Message& request) final {
return _sepEmbedded->handleRequest(opCtx, request);
}
private:
std::unique_ptr<ServiceEntryPointEmbedded> _sepEmbedded;
};
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 mongoedMain(int argc, char* argv[], char** envp) {
ServiceContext* serviceContext = nullptr;
registerShutdownTask([&]() {
if (!serviceContext)
return;
if (auto tl = serviceContext->getTransportLayer()) {
log(logger::LogComponent::kNetwork) << "shutdown: going to close listening sockets...";
tl->shutdown();
}
if (auto sep = serviceContext->getServiceEntryPoint()) {
if (sep->shutdown(Seconds(10))) {
embedded::shutdown(serviceContext);
} else {
log(logger::LogComponent::kNetwork) << "Failed to shutdown service entry point "
"within timelimit, skipping embedded "
"shutdown.";
}
}
});
setupSignalHandlers();
log() << "MongoDB embedded standalone application, for testing purposes only";
try {
optionenvironment::OptionSection startupOptions("Options");
// Adding all options mongod we don't have to maintain a separate set for this executable,
// some will be unused but that's fine as this is just an executable for testing purposes
// anyway.
uassertStatusOK(addMongodOptions(&startupOptions));
uassertStatusOK(
embedded_integration_helpers::parseCommandLineOptions(argc, argv, startupOptions));
uassertStatusOK(storeMongodOptions(optionenvironment::startupOptionsParsed));
// Add embedded specific options that's not available in mongod here.
YAML::Emitter yaml;
serviceContext = embedded::initialize(yaml.c_str());
// Override the ServiceEntryPoint with one that can support transport layers.
serviceContext->setServiceEntryPoint(
std::make_unique<ServiceEntryPointMongoe>(serviceContext));
auto tl =
transport::TransportLayerManager::createWithConfig(&serverGlobalParams, serviceContext);
uassertStatusOK(tl->setup());
serviceContext->setTransportLayer(std::move(tl));
uassertStatusOK(serviceContext->getServiceExecutor()->start());
uassertStatusOK(serviceContext->getTransportLayer()->start());
} catch (const std::exception& ex) {
error() << ex.what();
return EXIT_BADOPTIONS;
}
return waitForShutdown();
}
} // namespace
} // 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 mongoDbMain()
// 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::mongoedMain(argc, wcl.argv(), wcl.envp());
}
#else
int main(int argc, char* argv[], char** envp) {
return mongo::mongoedMain(argc, argv, envp);
}
#endif
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