| 1 | /* Copyright (C) 2013 Codership Oy <info@codership.com> |
| 2 | |
| 3 | This program is free software; you can redistribute it and/or modify |
| 4 | it under the terms of the GNU General Public License as published by |
| 5 | the Free Software Foundation; version 2 of the License. |
| 6 | |
| 7 | This program is distributed in the hope that it will be useful, |
| 8 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | GNU General Public License for more details. |
| 11 | |
| 12 | You should have received a copy of the GNU General Public License along |
| 13 | with this program; if not, write to the Free Software Foundation, Inc., |
| 14 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ |
| 15 | |
| 16 | #ifndef WSREP_BINLOG_H |
| 17 | #define WSREP_BINLOG_H |
| 18 | |
| 19 | #include "sql_class.h" // THD, IO_CACHE |
| 20 | |
| 21 | #define HEAP_PAGE_SIZE 65536 /* 64K */ |
| 22 | #define WSREP_MAX_WS_SIZE 2147483647 /* 2GB */ |
| 23 | |
| 24 | /* |
| 25 | Write the contents of a cache to a memory buffer. |
| 26 | |
| 27 | This function quite the same as MYSQL_BIN_LOG::write_cache(), |
| 28 | with the exception that here we write in buffer instead of log file. |
| 29 | */ |
| 30 | int wsrep_write_cache_buf(IO_CACHE *cache, uchar **buf, size_t *buf_len); |
| 31 | |
| 32 | /* |
| 33 | Write the contents of a cache to wsrep provider. |
| 34 | |
| 35 | This function quite the same as MYSQL_BIN_LOG::write_cache(), |
| 36 | with the exception that here we write in buffer instead of log file. |
| 37 | |
| 38 | @param len total amount of data written |
| 39 | @return wsrep error status |
| 40 | */ |
| 41 | int wsrep_write_cache (wsrep_t* const wsrep, |
| 42 | THD* const thd, |
| 43 | IO_CACHE* const cache, |
| 44 | size_t* const len); |
| 45 | |
| 46 | /* Dump replication buffer to disk */ |
| 47 | void wsrep_dump_rbr_buf(THD *thd, const void* rbr_buf, size_t buf_len); |
| 48 | |
| 49 | /* Dump replication buffer to disk without intermediate buffer */ |
| 50 | void wsrep_dump_rbr_direct(THD* thd, IO_CACHE* cache); |
| 51 | |
| 52 | /* Dump replication buffer along with header to a file */ |
| 53 | void (THD *thd, const void *rbr_buf, |
| 54 | size_t buf_len); |
| 55 | |
| 56 | int wsrep_binlog_close_connection(THD* thd); |
| 57 | int wsrep_binlog_savepoint_set(THD *thd, void *sv); |
| 58 | int wsrep_binlog_savepoint_rollback(THD *thd, void *sv); |
| 59 | |
| 60 | #endif /* WSREP_BINLOG_H */ |
| 61 | |