mirror of
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623ed58cfd
Backporting BUG#44058 BUG#42244 BUG#45672 BUG#45673 Backporting BUG#45819 BUG#45973 BUG#39012
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/* Copyright (C) 2007 Google Inc.
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Copyright (C) 2008 MySQL AB
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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
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef SEMISYNC_H
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#define SEMISYNC_H
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#include <stdint.h>
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#include <string.h>
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#include <assert.h>
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#include <sys/time.h>
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#include <time.h>
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#include <stdio.h>
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#include <pthread.h>
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#include <mysql.h>
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typedef uint32_t uint32;
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typedef unsigned long long my_off_t;
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#define FN_REFLEN 512 /* Max length of full path-name */
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void sql_print_error(const char *format, ...);
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void sql_print_warning(const char *format, ...);
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void sql_print_information(const char *format, ...);
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extern unsigned long max_connections;
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#define MYSQL_SERVER
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#define HAVE_REPLICATION
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#include <my_global.h>
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#include <my_pthread.h>
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#include <mysql/plugin.h>
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#include <replication.h>
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typedef struct st_mysql_show_var SHOW_VAR;
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typedef struct st_mysql_sys_var SYS_VAR;
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/**
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This class is used to trace function calls and other process
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information
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*/
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class Trace {
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public:
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static const unsigned long kTraceFunction;
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static const unsigned long kTraceGeneral;
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static const unsigned long kTraceDetail;
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static const unsigned long kTraceNetWait;
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unsigned long trace_level_; /* the level for tracing */
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inline void function_enter(const char *func_name)
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{
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if (trace_level_ & kTraceFunction)
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sql_print_information("---> %s enter", func_name);
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}
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inline int function_exit(const char *func_name, int exit_code)
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{
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if (trace_level_ & kTraceFunction)
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sql_print_information("<--- %s exit (%d)", func_name, exit_code);
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return exit_code;
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}
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Trace()
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:trace_level_(0L)
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{}
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Trace(unsigned long trace_level)
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:trace_level_(trace_level)
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{}
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};
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/**
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Base class for semi-sync master and slave classes
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*/
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class ReplSemiSyncBase
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:public Trace {
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public:
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static const char kSyncHeader[2]; /* three byte packet header */
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/* Constants in network packet header. */
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static const unsigned char kPacketMagicNum;
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static const unsigned char kPacketFlagSync;
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};
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#endif /* SEMISYNC_H */
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