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/* Copyright (c) 2019, Codership Oy. 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 as published by
* the Free Software Foundation; version 2 of the License.
*
* 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 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
*/
/**
* @file This unit defines logging macros for the application and
* a logger callback for the wsrep provider.
*/
#ifndef NODE_LOG_H
#define NODE_LOG_H
#include "../../wsrep_api.h"
/**
* REPLICATION: a logger callback for wsrep provider
*/
extern void
node_log_cb(wsrep_log_level_t severity, const char* message);
/**
* Applicaton log function intended to be used through the macros defined below.
* For simplicity it uses log levels defined by wsrep API, but it does not have
* to. */
extern void
node_log (wsrep_log_level_t level,
const char* file,
const char* function,
const int line,
...);
/**
* This variable made global to avoid calling node_log() when debug logging
* is disabled. */
extern wsrep_log_level_t node_log_max_level;
#define NODE_DO_LOG_DEBUG (WSREP_LOG_DEBUG <= node_log_max_level)
/**
* Base logging macro that records current file, function and line number */
#define NODE_LOG(level, ...)\
node_log(level, __FILE__, __func__, __LINE__, __VA_ARGS__, NULL)
/**
* @name Logging macros.
* Must be implemented as macros to report the location of the code where
* they are called.
*/
/*@{*/
#define NODE_FATAL(...) NODE_LOG(WSREP_LOG_FATAL, __VA_ARGS__, NULL)
#define NODE_ERROR(...) NODE_LOG(WSREP_LOG_ERROR, __VA_ARGS__, NULL)
#define NODE_WARN(...) NODE_LOG(WSREP_LOG_WARN, __VA_ARGS__, NULL)
#define NODE_INFO(...) NODE_LOG(WSREP_LOG_INFO, __VA_ARGS__, NULL)
#define NODE_DEBUG(...) if (NODE_DO_LOG_DEBUG) \
{ NODE_LOG(WSREP_LOG_DEBUG, __VA_ARGS__, NULL); }
/*@}*/
#endif /* NODE_LOG_H */
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