#pragma once /* * 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. */ #include #include #include /** * @file mmmon.hh - The Multi-Master monitor */ class MMMonitor : public maxscale::MonitorInstance { public: MMMonitor(const MMMonitor&) = delete; MMMonitor& operator = (const MMMonitor&) = delete; static MMMonitor* create(MXS_MONITOR* monitor); void destroy(); void diagnostics(DCB* dcb) const; json_t* diagnostics_json() const; private: unsigned long m_id; /**< Monitor ID */ int m_detectStaleMaster; /**< Monitor flag for Stale Master detection */ MMMonitor(MXS_MONITOR* monitor); ~MMMonitor(); MXS_MONITORED_SERVER *get_current_master(); bool has_sufficient_permissions() const; void configure(const MXS_CONFIG_PARAMETER* params); void tick(); };