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Backporting WL#4398 WL#1720

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Backporting BUG#44058 BUG#42244 BUG#45672 BUG#45673
Backporting BUG#45819 BUG#45973 BUG#39012
This commit is contained in:
He Zhenxing
2009-09-26 12:49:49 +08:00
parent e465d11383
commit 623ed58cfd
34 changed files with 4240 additions and 85 deletions
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95
plugin/semisync/semisync.h Normal file
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/* Copyright (C) 2007 Google Inc.
Copyright (C) 2008 MySQL AB
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 SEMISYNC_H
#define SEMISYNC_H
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include <sys/time.h>
#include <time.h>
#include <stdio.h>
#include <pthread.h>
#include <mysql.h>
typedef uint32_t uint32;
typedef unsigned long long my_off_t;
#define FN_REFLEN 512 /* Max length of full path-name */
void sql_print_error(const char *format, ...);
void sql_print_warning(const char *format, ...);
void sql_print_information(const char *format, ...);
extern unsigned long max_connections;
#define MYSQL_SERVER
#define HAVE_REPLICATION
#include <my_global.h>
#include <my_pthread.h>
#include <mysql/plugin.h>
#include <replication.h>
typedef struct st_mysql_show_var SHOW_VAR;
typedef struct st_mysql_sys_var SYS_VAR;
/**
This class is used to trace function calls and other process
information
*/
class Trace {
public:
static const unsigned long kTraceFunction;
static const unsigned long kTraceGeneral;
static const unsigned long kTraceDetail;
static const unsigned long kTraceNetWait;
unsigned long trace_level_; /* the level for tracing */
inline void function_enter(const char *func_name)
{
if (trace_level_ & kTraceFunction)
sql_print_information("---> %s enter", func_name);
}
inline int function_exit(const char *func_name, int exit_code)
{
if (trace_level_ & kTraceFunction)
sql_print_information("<--- %s exit (%d)", func_name, exit_code);
return exit_code;
}
Trace()
:trace_level_(0L)
{}
Trace(unsigned long trace_level)
:trace_level_(trace_level)
{}
};
/**
Base class for semi-sync master and slave classes
*/
class ReplSemiSyncBase
:public Trace {
public:
static const char kSyncHeader[2]; /* three byte packet header */
/* Constants in network packet header. */
static const unsigned char kPacketMagicNum;
static const unsigned char kPacketFlagSync;
};
#endif /* SEMISYNC_H */