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MXS-1585: Add preliminary test case

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The test case attempts to simulate the environment where the crash appears
to have happened. Local testing does not point out any problems.
This commit is contained in:
Markus Mäkelä
2017-12-27 11:37:24 +02:00
parent 3ca32457db
commit c6bc1f7327
4 changed files with 182 additions and 0 deletions
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3
server/modules/routing/readwritesplit/rwsplit_route_stmt.c
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@ -1090,6 +1090,8 @@ bool handle_slave_is_target(ROUTER_INSTANCE *inst, ROUTER_CLIENT_SES *rses,
static void log_master_routing_failure(ROUTER_CLIENT_SES *rses, bool found,
DCB *master_dcb, DCB *curr_master_dcb)
{
ss_dassert(!master_dcb || master_dcb->dcb_role == DCB_ROLE_BACKEND_HANDLER);
ss_dassert(!curr_master_dcb || curr_master_dcb->dcb_role == DCB_ROLE_BACKEND_HANDLER);
char errmsg[MAX_SERVER_NAME_LEN * 2 + 100]; // Extra space for error message
if (!found)
@ -1100,6 +1102,7 @@ static void log_master_routing_failure(ROUTER_CLIENT_SES *rses, bool found,
{
/** We found a master but it's not the same connection */
ss_dassert(master_dcb != curr_master_dcb);
ss_dassert(master_dcb->server && curr_master_dcb->server);
if (master_dcb->server != curr_master_dcb->server)
{
sprintf(errmsg, "Master server changed from '%s' to '%s'",