hcq/MaxScale
hcq/MaxScale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fixes for maintainability of dcb.c; error in persistent connections.

Browse Source
This commit is contained in:
Martin Brampton 2015-07-19 16:48:24 +01:00
parent 4a0925f33d
commit bb1f26eda5
2 changed files with 17 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
server/core/dcb.c
View File

@ -1152,8 +1152,12 @@ int below_water;
if (w < 0)
{
dcb_log_write_failure(dcb, queue, errno);
/*<
* What wasn't successfully written is stored to write queue
* for suspended write.
*/
atomic_add(&dcb->writeqlen, gwbuf_length(queue));
dcb->writeq = queue;
dcb->writeq = queue;
dcb->stats.n_buffered++;
spinlock_release(&dcb->writeqlock);
return 0;
@ -1173,11 +1177,6 @@ int below_water;
STRDCBSTATE(dcb->state),
dcb->fd)));
} /*< while (queue != NULL) */
/*<
* What wasn't successfully written is stored to write queue
* for suspended write.
*/
dcb->writeq = queue;
} /* if (dcb->writeq) */
@ -1188,11 +1187,10 @@ int below_water;
#if defined(FAKE_CODE)
/**
* Check the parameters for dcb_write
* Fake code for dcb_write
* (Should have fuller description)
*
* @param dcb The DCB of the client
* @param queue Queue of buffers to write
* @return true if parameters acceptable, false otherwise
*/
static inline void
dcb_write_fake_code(DCB *dcb)
@ -1227,17 +1225,18 @@ dcb_write_fake_code(DCB *dcb)
static inline bool
dcb_write_parameter_check(DCB *dcb, GWBUF *queue)
{
if (queue == NULL) return false;
if (dcb->fd <= 0)
{
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Error : Write failed, dcb is %s.",
dcb->fd == DCBFD_CLOSED ? "closed" : "cloned, not writable")));
return false;
gwbuf_free(queue);
return false;
}
if (queue == NULL) return false;
if (dcb->session == NULL || dcb->session->state != SESSION_STATE_STOPPING)
{
/**
@ -1265,7 +1264,7 @@ dcb_write_parameter_check(DCB *dcb, GWBUF *queue)
dcb,
STRDCBSTATE(dcb->state),
dcb->fd)));
//ss_dassert(false);
gwbuf_free(queue);
return false;
}
}
@ -1309,7 +1308,7 @@ dcb_write_when_already_queued(DCB *dcb, GWBUF *queue)
*
* @param dcb The DCB of the client
* @param queue Queue of buffers to write
* @return 0 on failure, 1 on success
* @param eno Error number for logging
*/
static void
dcb_log_write_failure(DCB *dcb, GWBUF *queue, int eno)
@ -1385,7 +1384,7 @@ dcb_log_write_failure(DCB *dcb, GWBUF *queue, int eno)
}
/**
* Handle writing when there is already queued data
* Last few things to do at end of a write
*
* @param dcb The DCB of the client
* @param below_water A boolean

4
server/modules/protocol/mysql_client.c
View File

@ -1115,7 +1115,9 @@ int gw_read_client_event(
* send redundant COM_QUIT.
*/
/* Temporarily suppressed: SESSION_ROUTE_QUERY(session, read_buffer); */
/**
/* Replaced with freeing the read buffer. */
gwbuf_free(read_buffer);
/**
* Close router session which causes closing of backends.
*/
dcb_close(dcb);