88 lines
3.4 KiB
C
88 lines
3.4 KiB
C
#pragma once
|
|
#ifndef _MYSQLMON_H
|
|
#define _MYSQLMON_H
|
|
/*
|
|
* Copyright (c) 2016 MariaDB Corporation Ab
|
|
*
|
|
* Use of this software is governed by the Business Source License included
|
|
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
|
|
*
|
|
* Change Date: 2020-01-01
|
|
*
|
|
* On the date above, in accordance with the Business Source License, use
|
|
* of this software will be governed by version 2 or later of the General
|
|
* Public License.
|
|
*/
|
|
|
|
/**
|
|
* @file mysqlmon.h - The MySQL monitor
|
|
*
|
|
* @verbatim
|
|
* Revision History
|
|
*
|
|
* Date Who Description
|
|
* 08/07/13 Mark Riddoch Initial implementation
|
|
* 26/05/14 Massimiliano Pinto Default values for MONITOR_INTERVAL
|
|
* 28/05/14 Massimiliano Pinto Addition of new fields in MYSQL_MONITOR struct
|
|
* 24/06/14 Massimiliano Pinto Addition of master field in MYSQL_MONITOR struct and MONITOR_MAX_NUM_SLAVES
|
|
* 28/08/14 Massimiliano Pinto Addition of detectStaleMaster
|
|
* 30/10/14 Massimiliano Pinto Addition of disableMasterFailback
|
|
* 07/11/14 Massimiliano Pinto Addition of NetworkTimeout: connect, read, write
|
|
* 20/04/15 Guillaume Lefranc Addition of availableWhenDonor
|
|
* 22/04/15 Martin Brampton Addition of disableMasterRoleSetting
|
|
* 07/05/15 Markus Makela Addition of command execution on Master server failure
|
|
* @endverbatim
|
|
*/
|
|
|
|
#include <maxscale/cdefs.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <maxscale/monitor.h>
|
|
#include <maxscale/spinlock.h>
|
|
#include <maxscale/thread.h>
|
|
#include <mysql.h>
|
|
#include <mysqld_error.h>
|
|
#include <maxscale/log_manager.h>
|
|
#include <maxscale/secrets.h>
|
|
#include <maxscale/dcb.h>
|
|
#include <maxscale/modinfo.h>
|
|
#include <maxscale/config.h>
|
|
#include <maxscale/hashtable.h>
|
|
|
|
MXS_BEGIN_DECLS
|
|
|
|
/**
|
|
* The handle for an instance of a MySQL Monitor module
|
|
*/
|
|
typedef struct
|
|
{
|
|
THREAD thread; /**< Monitor thread */
|
|
int shutdown; /**< Flag to shutdown the monitor thread */
|
|
int status; /**< Monitor status */
|
|
unsigned long id; /**< Monitor ID */
|
|
int replicationHeartbeat; /**< Monitor flag for MySQL replication heartbeat */
|
|
bool detectStaleMaster; /**< Monitor flag for MySQL replication Stale Master detection */
|
|
bool detectStaleSlave; /**< Monitor flag for MySQL replication Stale Master detection */
|
|
bool multimaster; /**< Detect and handle multi-master topologies */
|
|
int disableMasterFailback; /**< Monitor flag for Galera Cluster Master failback */
|
|
int availableWhenDonor; /**< Monitor flag for Galera Cluster Donor availability */
|
|
int disableMasterRoleSetting; /**< Monitor flag to disable setting master role */
|
|
bool mysql51_replication; /**< Use MySQL 5.1 replication */
|
|
MXS_MONITORED_SERVER *master; /**< Master server for MySQL Master/Slave replication */
|
|
char* script; /*< Script to call when state changes occur on servers */
|
|
uint64_t events; /*< enabled events */
|
|
HASHTABLE *server_info; /**< Contains server specific information */
|
|
bool detect_standalone_master; /**< If standalone master are detected */
|
|
int failcount; /**< How many monitoring cycles servers must be
|
|
down before failover is initiated */
|
|
bool allow_cluster_recovery; /**< Allow failed servers to rejoin the cluster */
|
|
bool warn_failover; /**< Log a warning when failover happens */
|
|
bool allow_external_slaves; /**< Whether to allow usage of external slave servers */
|
|
MXS_MONITOR* monitor;
|
|
} MYSQL_MONITOR;
|
|
|
|
MXS_END_DECLS
|
|
|
|
#endif
|