105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
/* Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; version 2 of the License.
|
|
|
|
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 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 */
|
|
|
|
#ifndef SQL_THREAD_APPLIER_INCLUDE
|
|
#define SQL_THREAD_APPLIER_INCLUDE
|
|
|
|
#include "pipeline_handlers.h"
|
|
#include "replication_threads_api.h"
|
|
#include <mysql/group_replication_priv.h>
|
|
|
|
|
|
class Applier_handler : public Event_handler
|
|
{
|
|
public:
|
|
Applier_handler();
|
|
int handle_event(Pipeline_event *ev,Continuation *cont);
|
|
int handle_action(Pipeline_action *action);
|
|
int initialize();
|
|
int terminate();
|
|
bool is_unique();
|
|
int get_role();
|
|
|
|
/**
|
|
Initializes the SQL thread when receiving a configuration package
|
|
|
|
@param reset_logs if a reset was executed in the server
|
|
@param plugin_shutdown_timeout the plugin's timeout for component shutdown
|
|
|
|
@return the operation status
|
|
@retval 0 OK
|
|
@retval !=0 Error
|
|
*/
|
|
int initialize_repositories(bool reset_logs,
|
|
ulong plugin_shutdown_timeout);
|
|
|
|
/**
|
|
Starts the SQL thread when receiving a action package
|
|
|
|
@return the operation status
|
|
@retval 0 OK
|
|
@retval !=0 Error
|
|
*/
|
|
int start_applier_thread();
|
|
|
|
/**
|
|
Stops the SQL thread when receiving a action package
|
|
|
|
@return the operation status
|
|
@retval 0 OK
|
|
@retval !=0 Error
|
|
*/
|
|
int stop_applier_thread();
|
|
|
|
/**
|
|
Checks if the applier, and its workers when parallel applier is
|
|
enabled, has already consumed all relay log, that is, applier is
|
|
waiting for transactions to be queued.
|
|
|
|
@return the applier status
|
|
@retval true the applier is waiting
|
|
@retval false otherwise
|
|
*/
|
|
bool is_applier_thread_waiting();
|
|
|
|
/**
|
|
Checks if all the queued transactions were executed.
|
|
|
|
@param timeout the time (seconds) after which the method returns if the
|
|
above condition was not satisfied
|
|
|
|
@return the operation status
|
|
@retval 0 All transactions were executed
|
|
@retval -1 A timeout occurred
|
|
@retval -2 An error occurred
|
|
*/
|
|
int wait_for_gtid_execution(double timeout);
|
|
|
|
/**
|
|
Checks if the channel's relay log contains partial transaction.
|
|
@return
|
|
@retval true If relaylog contains partial transaction.
|
|
@retval false If relaylog does not contain partial transaction.
|
|
*/
|
|
int is_partial_transaction_on_relay_log();
|
|
|
|
private:
|
|
|
|
Replication_thread_api channel_interface;
|
|
|
|
};
|
|
|
|
#endif /* SQL_THREAD_APPLIER_INCLUDE */
|