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MXS-2721: Check that LocalClient creation succeeds

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The creation can fail if a network socket cannot be opened and connected
to the host in question.
This commit is contained in:
Markus Mäkelä
2019-10-10 08:45:14 +03:00
committed by Johan Wikman
parent cf8ff493bc
commit 64cae223f0
1 changed files with 8 additions and 6 deletions
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14
server/modules/protocol/MySQL/mysql_common.cc
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@ -1438,13 +1438,15 @@ static void worker_func(int thread_id, void* data)
for (TargetList::iterator it = info->targets.begin(); for (TargetList::iterator it = info->targets.begin();
it != info->targets.end(); it++) it != info->targets.end(); it++)
{ {
LocalClient* client = LocalClient::create(&info->session, &info->protocol, it->first); if (LocalClient* client = LocalClient::create(&info->session, &info->protocol, it->first))
GWBUF* buffer = modutil_create_query(it->second.c_str()); {
client->queue_query(buffer); GWBUF* buffer = modutil_create_query(it->second.c_str());
gwbuf_free(buffer); client->queue_query(buffer);
gwbuf_free(buffer);
// The LocalClient needs to delete itself once the queries are done // The LocalClient needs to delete itself once the queries are done
client->self_destruct(); client->self_destruct();
}
} }
delete info; delete info;