6e1a69df7e
This reduces the amount of guesswork the monitor has to do when executing the script and places that burden on the called script.
63 lines
2.7 KiB
C
63 lines
2.7 KiB
C
#ifndef _MYSQLMON_H
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#define _MYSQLMON_H
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/*
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* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
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* software: you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation,
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* version 2.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright MariaDB Corporation Ab 2013-2014
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*/
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#include <spinlock.h>
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#include <monitor_common.h>
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#include <mon_exec.h>
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/**
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* @file mysqlmon.h - The MySQL monitor functionality within the gateway
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*
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* @verbatim
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* Revision History
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*
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* Date Who Description
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* 08/07/13 Mark Riddoch Initial implementation
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* 26/05/14 Massimiliano Pinto Default values for MONITOR_INTERVAL
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* 28/05/14 Massimiliano Pinto Addition of new fields in MYSQL_MONITOR struct
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* 24/06/14 Massimiliano Pinto Addition of master field in MYSQL_MONITOR struct and MONITOR_MAX_NUM_SLAVES
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* 28/08/14 Massimiliano Pinto Addition of detectStaleMaster
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* 30/10/14 Massimiliano Pinto Addition of disableMasterFailback
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* 07/11/14 Massimiliano Pinto Addition of NetworkTimeout: connect, read, write
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* 20/04/15 Guillaume Lefranc Addition of availableWhenDonor
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* 22/04/15 Martin Brampton Addition of disableMasterRoleSetting
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* 07/05/15 Markus Makela Addition of command execution on Master server failure
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* @endverbatim
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*/
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/**
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* The handle for an instance of a MySQL Monitor module
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*/
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typedef struct {
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SPINLOCK lock; /**< The monitor spinlock */
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pthread_t tid; /**< id of monitor thread */
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int shutdown; /**< Flag to shutdown the monitor thread */
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int status; /**< Monitor status */
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unsigned long id; /**< Monitor ID */
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int replicationHeartbeat; /**< Monitor flag for MySQL replication heartbeat */
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int detectStaleMaster; /**< Monitor flag for MySQL replication Stale Master detection */
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int disableMasterFailback; /**< Monitor flag for Galera Cluster Master failback */
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int availableWhenDonor; /**< Monitor flag for Galera Cluster Donor availability */
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int disableMasterRoleSetting; /**< Monitor flag to disable setting master role */
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MONITOR_SERVERS *master; /**< Master server for MySQL Master/Slave replication */
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char* script; /*< Script to call when state changes occur on servers */
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} MYSQL_MONITOR;
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#endif
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