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/**
* Copyright (C) 2019-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.
*/
#include "mongo/platform/basic.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
#include "mongo/logv2/log_manager.h"
#include <boost/log/core.hpp>
#include "mongo/base/init.h"
#include "mongo/logv2/log.h"
#include "mongo/logv2/log_domain.h"
#include "mongo/logv2/log_domain_global.h"
#include "mongo/logv2/log_util.h"
namespace mongo::logv2 {
struct LogManager::Impl {
Impl() {}
LogDomain _globalDomain{std::make_unique<LogDomainGlobal>()};
};
LogManager::LogManager() {
_impl = std::make_unique<Impl>();
boost::log::core::get()->set_exception_handler([]() {
thread_local uint32_t depth = 0;
auto depthGuard = makeGuard([]() { --depth; });
++depth;
// Try and log that we failed to log
if (depth == 1) {
std::exception_ptr ex = nullptr;
try {
throw;
} catch (const DBException&) {
ex = std::current_exception();
} catch (...) {
LOGV2(4638200,
"Exception during log, message not written to stream",
"exception"_attr = exceptionToStatus());
}
if (ex)
std::rethrow_exception(ex);
}
// Logging exceptions are fatal in debug builds. Guard ourselves from additional logging
// during the assert that might also fail
if (kDebugBuild && depth <= 2) {
dassert(false, "Exception during log");
}
});
}
LogManager::~LogManager() {}
LogManager& LogManager::global() {
static LogManager* globalLogManager = new LogManager();
return *globalLogManager;
}
LogDomain& LogManager::getGlobalDomain() {
return _impl->_globalDomain;
}
LogDomainGlobal& LogManager::getGlobalDomainInternal() {
return static_cast<LogDomainGlobal&>(_impl->_globalDomain.internal());
}
LogComponentSettings& LogManager::getGlobalSettings() {
return getGlobalDomainInternal().settings();
}
MONGO_INITIALIZER(GlobalLogRotator)(InitializerContext*) {
addLogRotator([](bool renameFiles, StringData suffix) {
return LogManager::global().getGlobalDomainInternal().rotate(renameFiles, suffix);
});
}
} // namespace mongo::logv2
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