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/* Copyright 2014 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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/logger/log_component_settings.h"
#include "mongo/util/assert_util.h"
namespace mongo {
namespace logger {
LogComponentSettings::LogComponentSettings() {
_minimumLoggedSeverity[LogComponent::kDefault] = char(LogSeverity::Log().toInt());
for (int i = 0; i < int(LogComponent::kNumLogComponents); ++i) {
_minimumLoggedSeverity[i] = _minimumLoggedSeverity[LogComponent::kDefault];
_hasMinimumLoggedSeverity[i] = false;
}
_hasMinimumLoggedSeverity[LogComponent::kDefault] = true;
}
LogComponentSettings::~LogComponentSettings() {}
bool LogComponentSettings::hasMinimumLogSeverity(LogComponent component) const {
dassert(int(component) >= 0 && int(component) < LogComponent::kNumLogComponents);
return _hasMinimumLoggedSeverity[component];
}
LogSeverity LogComponentSettings::getMinimumLogSeverity(LogComponent component) const {
dassert(int(component) >= 0 && int(component) < LogComponent::kNumLogComponents);
return LogSeverity::cast(_minimumLoggedSeverity[component]);
}
void LogComponentSettings::setMinimumLoggedSeverity(LogComponent component, LogSeverity severity) {
dassert(int(component) >= 0 && int(component) < LogComponent::kNumLogComponents);
_minimumLoggedSeverity[component] = char(severity.toInt());
_hasMinimumLoggedSeverity[component] = true;
// Every unconfigured component will inherit log severity from parent.
// Traversing the severity array once works because child components always
// come after the parent in the LogComponent::Value enumeration.
for (int i = 0; i < int(LogComponent::kNumLogComponents); ++i) {
if (!_hasMinimumLoggedSeverity[i]) {
LogComponent::Value v = LogComponent::Value(i);
LogComponent parentComponent = LogComponent(v).parent();
LogSeverity parentSeverity = getMinimumLogSeverity(parentComponent);
_minimumLoggedSeverity[i] = char(parentSeverity.toInt());
}
}
}
void LogComponentSettings::clearMinimumLoggedSeverity(LogComponent component) {
dassert(int(component) >= 0 && int(component) < LogComponent::kNumLogComponents);
// LogComponent::kDefault must always be configured.
if (component == LogComponent::kDefault) {
setMinimumLoggedSeverity(component, LogSeverity::Log());
return;
}
// Set unconfigured severity level to match LogComponent::kDefault.
setMinimumLoggedSeverity(component, getMinimumLogSeverity(component.parent()));
_hasMinimumLoggedSeverity[component] = false;
}
bool LogComponentSettings::shouldLog(LogComponent component, LogSeverity severity) const {
dassert(int(component) >= 0 && int(component) < LogComponent::kNumLogComponents);
// Should match parent component if minimum severity level is not configured for
// component.
dassert(_hasMinimumLoggedSeverity[component] ||
_minimumLoggedSeverity[component] == _minimumLoggedSeverity[component.parent()]);
return severity >= LogSeverity::cast(_minimumLoggedSeverity[component]);
}
} // logger
} // mongo
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