Current File : //usr/include/mysql/server/private/wsrep.h
/* Copyright 2014 Codership Oy <http://www.codership.com> & SkySQL Ab
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 Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef WSREP_INCLUDED
#define WSREP_INCLUDED
#include <my_config.h>
#include "log.h"
#ifdef WITH_WSREP
#define IF_WSREP(A,B) A
#define DBUG_ASSERT_IF_WSREP(A) DBUG_ASSERT(A)
extern ulong wsrep_debug; // wsrep_mysqld.cc
extern void WSREP_LOG(void (*fun)(const char* fmt, ...), const char* fmt, ...);
#define WSREP_DEBUG(...) \
if (wsrep_debug) WSREP_LOG(sql_print_information, ##__VA_ARGS__)
#define WSREP_INFO(...) WSREP_LOG(sql_print_information, ##__VA_ARGS__)
#define WSREP_WARN(...) WSREP_LOG(sql_print_warning, ##__VA_ARGS__)
#define WSREP_ERROR(...) WSREP_LOG(sql_print_error, ##__VA_ARGS__)
#define WSREP_UNKNOWN(fmt, ...) WSREP_ERROR("UNKNOWN: " fmt, ##__VA_ARGS__)
#define WSREP_LOG_CONFLICT_THD(thd, role) \
WSREP_INFO("%s: \n " \
" THD: %lu, mode: %s, state: %s, conflict: %s, seqno: %lld\n " \
" SQL: %s", \
role, \
thd_get_thread_id(thd), \
wsrep_thd_client_mode_str(thd), \
wsrep_thd_client_state_str(thd), \
wsrep_thd_transaction_state_str(thd), \
wsrep_thd_trx_seqno(thd), \
wsrep_thd_query(thd) \
);
#define WSREP_LOG_CONFLICT(bf_thd, victim_thd, bf_abort) \
if (wsrep_debug || wsrep_log_conflicts) \
{ \
WSREP_INFO("cluster conflict due to %s for threads:", \
(bf_abort) ? "high priority abort" : "certification failure" \
); \
if (bf_thd) WSREP_LOG_CONFLICT_THD(bf_thd, "Winning thread"); \
if (victim_thd) WSREP_LOG_CONFLICT_THD(victim_thd, "Victim thread"); \
WSREP_INFO("context: %s:%d", __FILE__, __LINE__); \
}
#else /* !WITH_WSREP */
/* These macros are needed to compile MariaDB without WSREP support
* (e.g. embedded) */
#define IF_WSREP(A,B) B
//#define DBUG_ASSERT_IF_WSREP(A)
#define WSREP_DEBUG(...)
//#define WSREP_INFO(...)
//#define WSREP_WARN(...)
#define WSREP_ERROR(...)
#endif /* WITH_WSREP */
#endif /* WSREP_INCLUDED */
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