114 lines
3.5 KiB
C++
114 lines
3.5 KiB
C++
#ifndef RPL_MASTER_H_INCLUDED
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/* Copyright (c) 2010, 2016, 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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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 Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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#define RPL_MASTER_H_INCLUDED
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#ifdef HAVE_REPLICATION
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#include "my_global.h"
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#include "mysql_com.h" // HOSTNAME_LENGTH
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#include "sql_const.h" // MAX_PASSWORD_LENGTH
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class Gtid_set;
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class String;
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class THD;
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extern bool server_id_supplied;
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extern int max_binlog_dump_events;
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extern my_bool opt_sporadic_binlog_dump_fail;
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extern my_bool opt_show_slave_auth_info;
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typedef struct st_slave_info
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{
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uint32 server_id;
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uint32 rpl_recovery_rank, master_id;
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char host[HOSTNAME_LENGTH+1];
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char user[USERNAME_LENGTH+1];
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char password[MAX_PASSWORD_LENGTH+1];
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uint16 port;
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THD* thd;
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} SLAVE_INFO;
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void init_slave_list();
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void end_slave_list();
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int register_slave(THD* thd, uchar* packet, size_t packet_length);
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void unregister_slave(THD* thd, bool only_mine, bool need_lock_slave_list);
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bool show_slave_hosts(THD* thd);
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String *get_slave_uuid(THD *thd, String *value);
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bool show_master_status(THD* thd);
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bool show_binlogs(THD* thd);
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void kill_zombie_dump_threads(THD* thd);
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/**
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Process a COM_BINLOG_DUMP_GTID packet.
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This function parses the packet and then calls mysql_binlog_send.
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@param thd The dump thread.
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@param packet The COM_BINLOG_DUMP_GTID packet.
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@param packet_length The length of the packet in bytes.
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@retval true Error
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@retval false Success
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*/
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bool com_binlog_dump_gtid(THD *thd, char *packet, size_t packet_length);
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/**
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Process a COM_BINLOG_DUMP packet.
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This function parses the packet and then calls mysql_binlog_send.
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@param thd The dump thread.
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@param packet The COM_BINLOG_DUMP packet.
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@param packet_length The length of the packet in bytes.
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@retval true Error
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@retval false Success
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*/
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bool com_binlog_dump(THD *thd, char *packet, size_t packet_length);
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/**
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Low-level function where the dump thread iterates over the binary
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log and sends events to the slave. This function is common for both
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COM_BINLOG_DUMP and COM_BINLOG_DUMP_GTID.
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@param thd The dump thread.
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@param log_ident The filename of the binary log, as given in the
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COM_BINLOG_DUMP[_GTID] packet. If this is is an empty string (first
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character is '\0'), we start with the oldest binary log.
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@param pos The offset in the binary log, as given in the
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COM_BINLOG_DUMP[_GTID] packet. This must be at least 4 and at most
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the size of the binary log file.
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@param gtid_set The gtid_set that the slave sent, or NULL if the
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protocol is COM_BINLOG_DUMP.
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@note This function will start reading at the given (filename,
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offset), or from the oldest log if filename[0]==0. It will send all
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events from that position; but if gtid_set!=NULL, it will skip all
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events in that set.
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*/
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void mysql_binlog_send(THD* thd, char* log_ident, my_off_t pos,
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Gtid_set* gtid_set, uint32 flags);
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bool reset_master(THD* thd);
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#endif /* HAVE_REPLICATION */
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#endif /* RPL_MASTER_H_INCLUDED */
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