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Remove file from slave

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The binlog file is now always opened when it is needed and closed
when we are finished with it. That will remove any potential
file concurrency issues between different threads dealing with
the same slave.
This commit is contained in:
Johan Wikman
2015-12-04 11:43:00 +02:00
committed by Markus Makela
parent 71212a824b
commit 04f807290a
3 changed files with 54 additions and 11 deletions
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6
server/modules/routing/binlog/blr.c
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@ -756,7 +756,9 @@ ROUTER_SLAVE *slave;
spinlock_init(&slave->catch_lock);
slave->dcb = session->client;
slave->router = inst;
#ifdef BLFILE_IN_SLAVE
slave->file = NULL;
#endif
strcpy(slave->binlogfile, "unassigned");
slave->connect_time = time(0);
slave->lastEventTimestamp = 0;
@ -901,8 +903,12 @@ ROUTER_SLAVE *slave = (ROUTER_SLAVE *)router_session;
*/
slave->state = BLRS_UNREGISTERED;
#if BLFILE_IN_SLAVE
// TODO: Is it really certain the file can be closed here? If other
// TODO: threads are using the slave instance, bag things will happen. [JWi].
if (slave->file)
blr_close_binlog(router, slave->file);
#endif
/* Unlock */
rses_end_locked_router_action(slave);