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Added constraints to CHANGE MASTER TO options

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Added constraints to CHANGE MASTER TO options  MASTER_LOG_FILE and
MASTER_LOG_POS
This commit is contained in:
MassimilianoPinto
2015-06-15 15:03:27 +02:00
parent d94ac9c637
commit 4952dc48bb
2 changed files with 221 additions and 36 deletions
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22
server/modules/routing/binlog/blr_file.c
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@ -26,6 +26,7 @@
* Date Who Description
* 14/04/2014 Mark Riddoch Initial implementation
* 08/06/2015 Massimiliano Pinto Addition of blr_cache_read_master_data()
* 15/06/2015 Massimiliano Pinto Addition of blr_file_get_next_binlogname()
*
* @endverbatim
*/
@ -61,6 +62,7 @@ static void blr_file_append(ROUTER_INSTANCE *router, char *file);
static uint32_t extract_field(uint8_t *src, int bits);
static void blr_log_header(logfile_id_t file, char *msg, uint8_t *ptr);
void blr_cache_read_master_data(ROUTER_INSTANCE *router);
int blr_file_get_next_binlogname(ROUTER_INSTANCE *router);
/**
* Initialise the binlog file for this instance. MaxScale will look
@ -778,3 +780,23 @@ blr_cache_read_master_data(ROUTER_INSTANCE *router)
router->saved_master.selecthostname = blr_cache_read_response(router, "selecthostname");
router->saved_master.map = blr_cache_read_response(router, "map");
}
/**
* Get the next binlog file name.
*
* @param router The router instance
* @return 0 on error, >0 as sequence number
*/
int
blr_file_get_next_binlogname(ROUTER_INSTANCE *router)
{
char *sptr, buf[80], bigbuf[4096];
int filenum;
if ((sptr = strrchr(router->binlog_name, '.')) == NULL)
return 0;
filenum = atoi(sptr+1) + 1;
return filenum;
}