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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"
#include "mongo/logv2/log_manager.h"
#include "mongo/logv2/component_settings_filter.h"
#include "mongo/logv2/console.h"
#include "mongo/logv2/json_formatter.h"
#include "mongo/logv2/log_domain.h"
#include "mongo/logv2/log_domain_global.h"
#include "mongo/logv2/ramlog_sink.h"
#include "mongo/logv2/tagged_severity_filter.h"
#include "mongo/logv2/text_formatter.h"
#include <boost/core/null_deleter.hpp>
#include <boost/log/core.hpp>
#include <boost/log/sinks.hpp>
namespace mongo {
namespace logv2 {
struct LogManager::Impl {
typedef boost::log::sinks::synchronous_sink<boost::log::sinks::text_ostream_backend>
ConsoleBackend;
typedef boost::log::sinks::unlocked_sink<RamLogSink> RamLogBackend;
Impl() {
_consoleBackend = boost::make_shared<ConsoleBackend>();
_consoleBackend->set_filter(ComponentSettingsFilter(_globalDomain.settings()));
_consoleBackend->set_formatter(TextFormatter());
_consoleBackend->locked_backend()->add_stream(
boost::shared_ptr<std::ostream>(&Console::out(), boost::null_deleter()));
_consoleBackend->locked_backend()->auto_flush();
_globalLogCacheBackend = RamLogSink::create(RamLog::get("global"));
_globalLogCacheBackend->set_filter(ComponentSettingsFilter(_globalDomain.settings()));
_globalLogCacheBackend->set_formatter(TextFormatter());
_startupWarningsBackend = RamLogSink::create(RamLog::get("startupWarnings"));
_startupWarningsBackend->set_filter(
TaggedSeverityFilter({LogTag::kStartupWarnings}, LogSeverity::Warning()));
_startupWarningsBackend->set_formatter(TextFormatter());
}
LogDomain _globalDomain{std::make_unique<LogDomainGlobal>()};
boost::shared_ptr<ConsoleBackend> _consoleBackend;
boost::shared_ptr<RamLogBackend> _globalLogCacheBackend;
boost::shared_ptr<RamLogBackend> _startupWarningsBackend;
bool _defaultBackendsAttached{false};
};
LogManager::LogManager() {
_impl = std::make_unique<Impl>();
reattachDefaultBackends();
}
LogManager::~LogManager() {}
LogManager& LogManager::global() {
static LogManager globalLogManager;
return globalLogManager;
}
LogDomain& LogManager::getGlobalDomain() {
return _impl->_globalDomain;
}
void LogManager::detachDefaultBackends() {
invariant(isDefaultBackendsAttached());
_impl->_globalDomain.impl().core()->remove_sink(_impl->_startupWarningsBackend);
_impl->_globalDomain.impl().core()->remove_sink(_impl->_globalLogCacheBackend);
_impl->_globalDomain.impl().core()->remove_sink(_impl->_consoleBackend);
_impl->_defaultBackendsAttached = false;
}
void LogManager::reattachDefaultBackends() {
invariant(!isDefaultBackendsAttached());
_impl->_globalDomain.impl().core()->add_sink(_impl->_consoleBackend);
_impl->_globalDomain.impl().core()->add_sink(_impl->_globalLogCacheBackend);
_impl->_globalDomain.impl().core()->add_sink(_impl->_startupWarningsBackend);
_impl->_defaultBackendsAttached = true;
}
bool LogManager::isDefaultBackendsAttached() const {
return _impl->_defaultBackendsAttached;
}
} // logv2
} // mongo
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