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Improved logging and diagnostics

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This commit is contained in:
Mark Riddoch
2014-11-19 10:49:40 +00:00
parent 67a0f65b74
commit 6cbbf7260f
2 changed files with 53 additions and 4 deletions
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19
server/core/dcb.c
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@ -185,7 +185,7 @@ dcb_free(DCB *dcb)
{
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"Error : Attempt to free a DCB via dcb_fee "
"Error : Attempt to free a DCB via dcb_free "
"that has been associated with a descriptor.")));
}
}
@ -287,6 +287,15 @@ DCB_CALLBACK *cb;
dcb->state == DCB_STATE_ALLOC,
"dcb not in DCB_STATE_DISCONNECTED not in DCB_STATE_ALLOC state.");
if (DCB_POLL_BUSY(dcb))
{
/* Check if DCB has outstanding poll events */
LOGIF(LE, (skygw_log_write_flush(
LOGFILE_ERROR,
"dcb_final_free: DCB %p has outstanding events",
dcb)));
}
/*< First remove this DCB from the chain */
spinlock_acquire(&dcbspin);
if (allDCBs == dcb)
@ -358,6 +367,7 @@ DCB_CALLBACK *cb;
}
spinlock_release(&dcb->cb_lock);
bitmask_free(&dcb->memdata.bitmask);
free(dcb);
}
@ -1140,7 +1150,8 @@ dcb_close(DCB *dcb)
/*<
* Stop dcb's listening and modify state accordingly.
*/
rc = poll_remove_dcb(dcb);
if (dcb->fd != -1)
rc = poll_remove_dcb(dcb);
ss_dassert(dcb->state == DCB_STATE_NOPOLLING ||
dcb->state == DCB_STATE_ZOMBIE);
@ -1203,9 +1214,9 @@ printDCB(DCB *dcb)
dcb->stats.n_buffered);
printf("\t\tNo. of Accepts: %d\n",
dcb->stats.n_accepts);
printf("\t\tNo. of High Water Events: %d\n",
printf("\t\tNo. of High Water Events: %d\n",
dcb->stats.n_high_water);
printf("\t\tNo. of Low Water Events: %d\n",
printf("\t\tNo. of Low Water Events: %d\n",
dcb->stats.n_low_water);
}
/**