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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.
*/
#pragma once
#include <iosfwd>
#include <string>
#include "mongo/base/string_data.h"
namespace mongo {
namespace logger {
/**
* Log components.
* Debug messages logged using the LOG() or MONGO_LOG_COMPONENT().
* Macros may be associated with one or more log components.
*/
class LogComponent {
public:
enum Value {
kDefault = 0,
kAccessControl,
kCommand,
kControl,
kExecutor,
kGeo,
kIndex,
kNetwork,
kQuery,
kReplication,
kReplicationElection,
kReplicationHeartbeats,
kReplicationInitialSync,
kReplicationRollback,
kSharding,
kShardingCatalogRefresh,
kStorage,
kStorageRecovery,
kJournal,
kWrite,
kFTDC,
kASIO,
kBridge,
kTracking,
kTransaction,
kConnectionPool,
kNumLogComponents
};
/* implicit */ LogComponent(Value value) : _value(value) {}
operator Value() const {
return _value;
}
/**
* Returns parent component.
* Returns kNumComponents if parent component is not defined (for kDefault or
* kNumLogComponents).
*/
LogComponent parent() const;
/**
* Returns short name as a StringData.
*/
StringData toStringData() const;
/**
* Returns short name of log component.
* Used to generate server parameter names in the format "logLevel_<component short name>".
*/
std::string getShortName() const;
/**
* Returns dotted name of log component - short name prefixed by dot-separated names of
* ancestors.
* Used to generate command line and config file option names.
*/
std::string getDottedName() const;
/**
* Returns name suitable for inclusion in formatted log message.
* This is derived from upper-casing the short name with some padding to
* fit into a fixed length field.
*/
StringData getNameForLog() const;
private:
Value _value;
};
std::ostream& operator<<(std::ostream& os, LogComponent component);
} // namespace logger
} // namespace mongo
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