/usr/include/mysql/private/rpl_handler.h is in libmariadbclient-dev 1:10.1.29-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 | /* Copyright (c) 2008, 2011, 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef RPL_HANDLER_H
#define RPL_HANDLER_H
#include "sql_priv.h"
#include "rpl_mi.h"
#include "rpl_rli.h"
#include "sql_plugin.h"
#include "replication.h"
class Observer_info {
public:
void *observer;
st_plugin_int *plugin_int;
Observer_info(void *ob, st_plugin_int *p)
:observer(ob), plugin_int(p)
{ }
};
class Delegate {
public:
typedef List<Observer_info> Observer_info_list;
typedef List_iterator<Observer_info> Observer_info_iterator;
int add_observer(void *observer, st_plugin_int *plugin)
{
int ret= FALSE;
if (!inited)
return TRUE;
write_lock();
Observer_info_iterator iter(observer_info_list);
Observer_info *info= iter++;
while (info && info->observer != observer)
info= iter++;
if (!info)
{
info= new Observer_info(observer, plugin);
if (!info || observer_info_list.push_back(info, &memroot))
ret= TRUE;
}
else
ret= TRUE;
unlock();
return ret;
}
int remove_observer(void *observer, st_plugin_int *plugin)
{
int ret= FALSE;
if (!inited)
return TRUE;
write_lock();
Observer_info_iterator iter(observer_info_list);
Observer_info *info= iter++;
while (info && info->observer != observer)
info= iter++;
if (info)
{
iter.remove();
delete info;
}
else
ret= TRUE;
unlock();
return ret;
}
inline Observer_info_iterator observer_info_iter()
{
return Observer_info_iterator(observer_info_list);
}
inline bool is_empty()
{
return observer_info_list.is_empty();
}
inline int read_lock()
{
if (!inited)
return TRUE;
return rw_rdlock(&lock);
}
inline int write_lock()
{
if (!inited)
return TRUE;
return rw_wrlock(&lock);
}
inline int unlock()
{
if (!inited)
return TRUE;
return rw_unlock(&lock);
}
inline bool is_inited()
{
return inited;
}
Delegate()
{
inited= FALSE;
if (my_rwlock_init(&lock, NULL))
return;
init_sql_alloc(&memroot, 1024, 0, MYF(0));
inited= TRUE;
}
~Delegate()
{
inited= FALSE;
rwlock_destroy(&lock);
free_root(&memroot, MYF(0));
}
private:
Observer_info_list observer_info_list;
rw_lock_t lock;
MEM_ROOT memroot;
bool inited;
};
class Trans_delegate
:public Delegate {
public:
typedef Trans_observer Observer;
int before_commit(THD *thd, bool all);
int before_rollback(THD *thd, bool all);
int after_commit(THD *thd, bool all);
int after_rollback(THD *thd, bool all);
};
class Binlog_storage_delegate
:public Delegate {
public:
typedef Binlog_storage_observer Observer;
int after_flush(THD *thd, const char *log_file,
my_off_t log_pos, bool synced,
bool first_in_group, bool last_in_group);
int after_sync(THD *thd, const char *log_file, my_off_t log_pos,
bool first_in_group, bool last_in_group);
};
#ifdef HAVE_REPLICATION
class Binlog_transmit_delegate
:public Delegate {
public:
typedef Binlog_transmit_observer Observer;
int transmit_start(THD *thd, ushort flags,
const char *log_file, my_off_t log_pos);
int transmit_stop(THD *thd, ushort flags);
int reserve_header(THD *thd, ushort flags, String *packet);
int before_send_event(THD *thd, ushort flags,
String *packet, const
char *log_file, my_off_t log_pos );
int after_send_event(THD *thd, ushort flags,
String *packet);
int after_reset_master(THD *thd, ushort flags);
};
class Binlog_relay_IO_delegate
:public Delegate {
public:
typedef Binlog_relay_IO_observer Observer;
int thread_start(THD *thd, Master_info *mi);
int thread_stop(THD *thd, Master_info *mi);
int before_request_transmit(THD *thd, Master_info *mi, ushort flags);
int after_read_event(THD *thd, Master_info *mi,
const char *packet, ulong len,
const char **event_buf, ulong *event_len);
int after_queue_event(THD *thd, Master_info *mi,
const char *event_buf, ulong event_len,
bool synced);
int after_reset_slave(THD *thd, Master_info *mi);
private:
void init_param(Binlog_relay_IO_param *param, Master_info *mi);
};
#endif /* HAVE_REPLICATION */
int delegates_init();
void delegates_destroy();
extern Trans_delegate *transaction_delegate;
extern Binlog_storage_delegate *binlog_storage_delegate;
#ifdef HAVE_REPLICATION
extern Binlog_transmit_delegate *binlog_transmit_delegate;
extern Binlog_relay_IO_delegate *binlog_relay_io_delegate;
#endif /* HAVE_REPLICATION */
/*
if there is no observers in the delegate, we can return 0
immediately.
*/
#define RUN_HOOK(group, hook, args) \
(group ##_delegate->is_empty() ? \
0 : group ##_delegate->hook args)
#endif /* RPL_HANDLER_H */
|