73 lines
2.7 KiB
C++
73 lines
2.7 KiB
C++
/*
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Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// Implements
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#include "ndb_binlog_hooks.h"
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// Using interface defined in
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#include "sql/replication.h"
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// Using
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#include "storage/ndb/plugin/ndb_log.h"
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#include "storage/ndb/plugin/ndb_plugin_reference.h"
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bool Ndb_binlog_hooks::register_hooks(
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after_reset_master_hook_t *after_reset_master) {
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// Only allow hooks to be installed once
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DBUG_ASSERT(!m_binlog_transmit_observer);
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// Resolve pointer to the ndbcluster plugin
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Ndb_plugin_reference ndbcluster_plugin;
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if (!ndbcluster_plugin.lock()) {
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return false;
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}
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m_binlog_transmit_observer = new Binlog_transmit_observer{
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sizeof(Binlog_transmit_observer),
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nullptr, // transmit_start
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nullptr, // transmit_stop
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nullptr, // reserve_header
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nullptr, // before_send_event
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nullptr, // after_send_event
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(after_reset_master_t)after_reset_master, // after_reset_master
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};
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// Install replication observer to be called when applier thread start
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if (register_binlog_transmit_observer(m_binlog_transmit_observer,
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ndbcluster_plugin.handle())) {
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ndb_log_error("Failed to register binlog transmit observer");
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return false;
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}
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return true;
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}
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void Ndb_binlog_hooks::unregister_all(void) {
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if (m_binlog_transmit_observer) {
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unregister_binlog_transmit_observer(m_binlog_transmit_observer, nullptr);
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}
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}
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Ndb_binlog_hooks::~Ndb_binlog_hooks() { delete m_binlog_transmit_observer; }
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