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Added logging and som checks.

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This commit is contained in:
vraatikka
2013-09-24 15:13:25 +03:00
parent a7c3cd5f30
commit 3e1322034d
3 changed files with 39 additions and 52 deletions
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43
server/modules/routing/readconnroute.c
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@ -304,9 +304,10 @@ int i;
if(inst->servers[i]) {
skygw_log_write(
LOGFILE_TRACE,
"Examine server in port %d with %d connections. "
"Status is %d, "
"%lu [newSession] Examine server in port %d with "
"%d connections. Status is %d, "
"inst->bitvalue is %d",
pthread_self(),
inst->servers[i]->server->port,
inst->servers[i]->current_connection_count,
inst->servers[i]->server->status,
@ -348,8 +349,9 @@ int i;
if (!candidate) {
skygw_log_write_flush(
LOGFILE_ERROR,
"%lu [newSession] Couldn't find eligible candidate "
"server. Exiting.",
"%lu [newSession] Failed to create new routing session. "
"Couldn't find eligible candidate server. Freeing "
"allocated resources.",
pthread_self());
free(client_ses);
return NULL;
@ -380,8 +382,9 @@ int i;
atomic_add(&candidate->current_connection_count, -1);
skygw_log_write(
LOGFILE_ERROR,
"%lu [newSession] Failed to establish connection to "
"server in port %d. Exiting.",
"%lu [newSession] Failed to create new routing session. "
"Couldn't establish connection to candidate server "
"listening to port %d. Freeing allocated resources.",
pthread_self(),
candidate->server->port);
free(client_ses);
@ -493,38 +496,38 @@ bool succp = false;
static int
routeQuery(ROUTER *instance, void *router_session, GWBUF *queue)
{
ROUTER_INSTANCE *inst = (ROUTER_INSTANCE *)instance;
ROUTER_CLIENT_SES *session = (ROUTER_CLIENT_SES *)router_session;
uint8_t *payload = GWBUF_DATA(queue);
int mysql_command;
int rc;
ROUTER_INSTANCE *inst = (ROUTER_INSTANCE *)instance;
ROUTER_CLIENT_SES *rsession = (ROUTER_CLIENT_SES *)router_session;
uint8_t *payload = GWBUF_DATA(queue);
int mysql_command;
int rc;
inst->stats.n_queries++;
mysql_command = MYSQL_GET_COMMAND(payload);
switch(mysql_command) {
case MYSQL_COM_CHANGE_USER:
rc = session->backend_dcb->func.auth(
session->backend_dcb,
rc = rsession->backend_dcb->func.auth(
rsession->backend_dcb,
NULL,
session->backend_dcb->session,
rsession->backend_dcb->session,
queue);
break;
default:
rc = session->backend_dcb->func.write(
session->backend_dcb,
rc = rsession->backend_dcb->func.write(
rsession->backend_dcb,
queue);
}
CHK_PROTOCOL(((MySQLProtocol*)session->backend_dcb->protocol));
}
CHK_PROTOCOL(((MySQLProtocol*)rsession->backend_dcb->protocol));
skygw_log_write(
LOGFILE_DEBUG,
"%lu [readconnroute:routeQuery] Routed command %d to dcb %p "
"with return value %d.",
pthread_self(),
mysql_command,
session->backend_dcb,
rsession->backend_dcb,
rc);
return rc;