mysql5/mysql-5.7.27/sql/rpl_constants.h

67 lines
1.8 KiB
C

/* Copyright (c) 2007 MySQL AB, 2008 Sun Microsystems, Inc.
Use is subject to license terms.
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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef RPL_CONSTANTS_H
#define RPL_CONSTANTS_H
#include "my_global.h"
/*
Constants used to parse the stream of bytes sent by a slave
when commands COM_BINLOG_DUMP or COM_BINLOG_DUMP_GTID are
sent.
*/
const int BINLOG_POS_INFO_SIZE= 8;
const int BINLOG_DATA_SIZE_INFO_SIZE= 4;
const int BINLOG_POS_OLD_INFO_SIZE= 4;
const int BINLOG_FLAGS_INFO_SIZE= 2;
const int BINLOG_SERVER_ID_INFO_SIZE= 4;
const int BINLOG_NAME_SIZE_INFO_SIZE= 4;
const int BINLOG_DUMP_NON_BLOCK= 1<<0;
/**
Enumeration of the reserved formats of Binlog extra row information
*/
enum ExtraRowInfoFormat {
/** Ndb format */
ERIF_NDB = 0,
/** Reserved formats 0 -> 63 inclusive */
ERIF_LASTRESERVED = 63,
/**
Available / uncontrolled formats
64 -> 254 inclusive
*/
ERIF_OPEN1 = 64,
ERIF_OPEN2 = 65,
ERIF_LASTOPEN = 254,
/**
Multi-payload format 255
Length is total length, payload is sequence of
sub-payloads with their own headers containing
length + format.
*/
ERIF_MULTI = 255
};
#endif /* RPL_CONSTANTS_H */