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/**
* Copyright (C) 2020-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.
*/
#pragma once
#include <boost/optional/optional.hpp>
#include "mongo/logv2/log_component.h"
#include "mongo/logv2/log_component_settings.h"
#include "mongo/logv2/log_manager.h"
#include "mongo/logv2/log_severity.h"
namespace mongo::unittest {
namespace log_test_detail {
using logv2::LogComponent;
using logv2::LogSeverity;
inline auto& _settings() {
return logv2::LogManager::global().getGlobalSettings();
}
inline bool hasMinimumLogSeverity(LogComponent component) {
return _settings().hasMinimumLogSeverity(component);
}
inline LogSeverity getMinimumLogSeverity(LogComponent component) {
return _settings().getMinimumLogSeverity(component);
}
inline LogSeverity getMinimumLogSeverity() {
return getMinimumLogSeverity(LogComponent::kDefault);
}
inline void setMinimumLoggedSeverity(LogComponent component, LogSeverity severity) {
return _settings().setMinimumLoggedSeverity(component, severity);
}
inline void setMinimumLoggedSeverity(LogSeverity severity) {
return setMinimumLoggedSeverity(LogComponent::kDefault, severity);
}
inline void clearMinimumLoggedSeverity(LogComponent component) {
return _settings().clearMinimumLoggedSeverity(component);
}
} // namespace log_test_detail
using log_test_detail::clearMinimumLoggedSeverity;
using log_test_detail::getMinimumLogSeverity;
using log_test_detail::hasMinimumLogSeverity;
using log_test_detail::setMinimumLoggedSeverity;
/**
* Configure a LogComponent`s MinimumLoggedSeverity, saving the old state and restoring it
* when this guard object dies. There can be no severity mapping for a LogComponent, so
* the logged severity 'state' is read and written as a boost::optional.
*/
class MinimumLoggedSeverityGuard {
public:
/** Just save and restore: do not change the severity at ctor time. */
explicit MinimumLoggedSeverityGuard(logv2::LogComponent component)
: _component{component}, _savedSeverity{_get()} {}
/** Change the `component` to have `severity`. */
MinimumLoggedSeverityGuard(logv2::LogComponent component,
boost::optional<logv2::LogSeverity> severity)
: MinimumLoggedSeverityGuard{component} {
_put(severity);
}
~MinimumLoggedSeverityGuard() {
_put(_savedSeverity);
}
private:
boost::optional<logv2::LogSeverity> _get() {
if (hasMinimumLogSeverity(_component))
return getMinimumLogSeverity(_component);
return boost::none;
}
void _put(boost::optional<logv2::LogSeverity> severity) {
if (severity) {
setMinimumLoggedSeverity(_component, *severity);
} else {
clearMinimumLoggedSeverity(_component);
}
}
logv2::LogComponent _component;
boost::optional<logv2::LogSeverity> _savedSeverity;
};
} // namespace mongo::unittest
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