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poll.c:dcb_close Don't call poll_remove_dcb anymore if DCB has already been removed from poll set.

Browse Source 
mysql_backend.c, mysql_client.c free error message GWBUF after calling handleError
readconnroute.c:handleError send error message to client before returning.
readwritesplit.c:handleError don't free error message buffer anymore since the caller of handleError frees it.
This commit is contained in:
VilhoRaatikka
2014-11-01 20:00:59 +02:00
parent b6fe4e620a
commit 9ccbab1899
5 changed files with 148 additions and 139 deletions
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15
server/modules/protocol/mysql_backend.c
View File

@ -377,7 +377,7 @@ static int gw_read_backend_event(DCB *dcb) {
dcb,
ERRACT_REPLY_CLIENT,
&succp);
gwbuf_free(errbuf);
ss_dassert(!succp);
LOGIF(LD, (skygw_log_write(
LOGFILE_DEBUG,
@ -459,7 +459,8 @@ static int gw_read_backend_event(DCB *dcb) {
dcb,
ERRACT_NEW_CONNECTION,
&succp);
gwbuf_free(errbuf);
if (!succp)
{
spinlock_acquire(&session->ses_lock);
@ -848,7 +849,8 @@ static int gw_error_backend_event(DCB *dcb)
dcb,
ERRACT_NEW_CONNECTION,
&succp);
gwbuf_free(errbuf);
/** There are not required backends available, close session. */
if (!succp) {
spinlock_acquire(&session->ses_lock);
@ -1031,7 +1033,8 @@ gw_backend_hangup(DCB *dcb)
ERRACT_NEW_CONNECTION,
&succp);
/** There are not required backends available, close session. */
gwbuf_free(errbuf);
/** There are no required backends available, close session. */
if (!succp)
{
#if defined(SS_DEBUG)
@ -1039,7 +1042,6 @@ gw_backend_hangup(DCB *dcb)
LOGFILE_ERROR,
"Backend hangup -> closing session.")));
#endif
spinlock_acquire(&session->ses_lock);
session->state = SESSION_STATE_STOPPING;
spinlock_release(&session->ses_lock);
@ -1176,7 +1178,8 @@ static int backend_write_delayqueue(DCB *dcb)
dcb,
ERRACT_NEW_CONNECTION,
&succp);
gwbuf_free(errbuf);
if (!succp)
{
if (session != NULL)