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/* Copyright (c) 2017, 2023, Oracle and/or its affiliates. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2.0, as published by the Free Software Foundation. This program is also distributed with certain software (including but not limited to OpenSSL) that is licensed under separate terms, as designated in a particular file or component or in included license documentation. The authors of MySQL hereby grant you an additional permission to link the program and your derivative works with the separately licensed software that they have included with MySQL. 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, version 2.0, 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, 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */ #include "member_info.h" #include "plugin.h" #include "asynchronous_channels_state_observer.h" Asynchronous_channels_state_observer:: Asynchronous_channels_state_observer() {} int Asynchronous_channels_state_observer:: thread_start(Binlog_relay_IO_param* param) { /* Can't start slave relay io thread when group replication is running on single primary-mode on secondary */ if (plugin_is_group_replication_running() && strcmp(param->channel_name, "group_replication_recovery") != 0 && strcmp(param->channel_name, "group_replication_applier") != 0 && group_member_mgr) { std::string m_uuid; group_member_mgr->get_primary_member_uuid(m_uuid); if (m_uuid == "UNDEFINED") { log_message(MY_ERROR_LEVEL, "Can't start slave IO THREAD when group" " replication is running with single" " primary-mode and the primary member is" " not known."); return 1; } if (m_uuid != local_member_info->get_uuid()) { log_message(MY_ERROR_LEVEL, "Can't start slave IO THREAD when group" " replication is running with single" " primary-mode on a secondary member."); return 1; } } return 0; } int Asynchronous_channels_state_observer::thread_stop(Binlog_relay_IO_param*) { return 0; } int Asynchronous_channels_state_observer:: applier_start(Binlog_relay_IO_param *param) { /* Can't start slave relay sql thread when group replication is running on single primary-mode on secondary */ if (plugin_is_group_replication_running() && strcmp(param->channel_name, "group_replication_recovery") != 0 && strcmp(param->channel_name, "group_replication_applier") != 0 && group_member_mgr) { std::string m_uuid; group_member_mgr->get_primary_member_uuid(m_uuid); if (m_uuid == "UNDEFINED") { log_message(MY_ERROR_LEVEL, "Can't start slave SQL THREAD when group" " replication is running with single" " primary-mode and the primary member is" " not known."); return 1; } if (m_uuid != local_member_info->get_uuid()) { log_message(MY_ERROR_LEVEL, "Can't start slave SQL THREAD when group" " replication is running with single" " primary-mode on a secondary member."); return 1; } } return 0; } int Asynchronous_channels_state_observer:: applier_stop(Binlog_relay_IO_param *param, bool aborted) { return 0; } int Asynchronous_channels_state_observer:: before_request_transmit(Binlog_relay_IO_param*, uint32) { return 0; } int Asynchronous_channels_state_observer:: after_read_event(Binlog_relay_IO_param*, const char*, unsigned long, const char**, unsigned long*) { return 0; } int Asynchronous_channels_state_observer:: after_queue_event(Binlog_relay_IO_param*, const char*, unsigned long, uint32) { return 0; } int Asynchronous_channels_state_observer:: after_reset_slave(Binlog_relay_IO_param*) { return 0; }