polardbxengine/plugin/group_replication/include/gcs_logger.h

82 lines
2.4 KiB
C++

/* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL.
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 General Public License, version 2.0, for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef GCS_LOGGER_INCLUDED
#define GCS_LOGGER_INCLUDED
#include "plugin/group_replication/libmysqlgcs/include/mysql/gcs/gcs_logging.h"
/**
Group Replication implementation of @interface Logger_interface
Once a instance of this logger is set at Gcs_interface, all log
produced by MySQL GCS will be routed by this logger to MySQL
error log.
*/
class Gcs_gr_logger_impl : public Logger_interface {
public:
/**
Constructor.
*/
Gcs_gr_logger_impl() {}
/**
Destructor.
*/
~Gcs_gr_logger_impl() {}
/**
Initialize the logger.
@return the operation status
@retval GCS_OK Success
@retval GCS_NOK Error
*/
enum_gcs_error initialize();
/**
Finalize the logger.
@return the operation status
@retval GCS_OK Success
@retval GCS_NOK Error
*/
enum_gcs_error finalize();
/**
Log a message using the specified level.
@param[in] level logging level of message
@param[in] message the message to log
*/
void log_event(const gcs_log_level_t level, const std::string &message);
/*
Disabling copy constructor and assignment operator.
*/
private:
Gcs_gr_logger_impl(Gcs_gr_logger_impl &l);
Gcs_gr_logger_impl &operator=(const Gcs_gr_logger_impl &l);
};
#endif /* GCS_LOGGER_INCLUDED */