MXS-936: AVRO converter_func update

MXS-936: AVRO converter_func update: added new checks for pending
shutdown
This commit is contained in:
MassimilianoPinto
2016-11-09 17:26:28 +01:00
parent 802152d7d3
commit 62049a5bb4

View File

@ -224,7 +224,7 @@ bool create_tables(sqlite3* handle)
return true;
}
static void add_conversion_task(AVRO_INSTANCE *inst)
static bool add_conversion_task(AVRO_INSTANCE *inst)
{
char tasknm[strlen(avro_task_name) + strlen(inst->service->name) + 2];
snprintf(tasknm, sizeof(tasknm), "%s-%s", inst->service->name, avro_task_name);
@ -232,13 +232,15 @@ static void add_conversion_task(AVRO_INSTANCE *inst)
{
MXS_INFO("AVRO converter task is not added due to MaxScale shutdown");
avro_close_binlog(inst->binlog_fd);
return;
return false;
}
MXS_INFO("Setting task for converter_func");
if (hktask_oneshot(tasknm, converter_func, inst, inst->task_delay) == 0)
{
MXS_ERROR("Failed to add binlog to Avro conversion task to housekeeper.");
return false;
}
return true;
}
/**
@ -1020,13 +1022,14 @@ void converter_func(void* data)
uint64_t start_pos = router->current_pos;
if (router->service->svc_do_shutdown)
{
MXS_INFO("AVRO converter task is exiting due to MaxScale shutdown");
avro_close_binlog(router->binlog_fd);
MXS_INFO("AVRO converter task is not handling events due to MaxScale shutdown");
break;
}
if (avro_open_binlog(router->binlogdir, router->binlog_name, &router->binlog_fd))
{
binlog_end = avro_read_all_events(router);
if (router->current_pos != start_pos)
{
/** We processed some data, reset the conversion task delay */
@ -1041,16 +1044,14 @@ void converter_func(void* data)
}
}
if (router->service->svc_do_shutdown)
{
MXS_INFO("AVRO converter task is exiting due to MaxScale shutdown");
avro_close_binlog(router->binlog_fd);
return;
}
/** We reached end of file, flush unwritten records to disk */
if (router->task_delay == 1)
{
if (router->service->svc_do_shutdown)
{
MXS_INFO("AVRO converter task is not indexing due to MaxScale shutdown");
return;
}
avro_flush_all_tables(router);
avro_save_conversion_state(router);
}
@ -1058,10 +1059,12 @@ void converter_func(void* data)
if (binlog_end == AVRO_LAST_FILE)
{
router->task_delay = MXS_MIN(router->task_delay + 1, AVRO_TASK_DELAY_MAX);
add_conversion_task(router);
MXS_INFO("Stopped processing file %s at position %lu. Waiting until"
" more data is written before continuing. Next check in %d seconds.",
router->binlog_name, router->current_pos, router->task_delay);
if (add_conversion_task(router))
{
MXS_INFO("Stopped processing file %s at position %lu. Waiting until"
" more data is written before continuing. Next check in %d seconds.",
router->binlog_name, router->current_pos, router->task_delay);
}
}
}