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Improved efficiency of enumerating print queue's under a particular

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extreme condition...
Jeremy.
(This used to be commit 425bb0f40526b4eb17a3033892ca907b1d5293a4)
This commit is contained in:
Jeremy Allison 2001-12-05 00:54:33 +00:00
parent 38d10d2ac1
commit 5472638730
2 changed files with 20 additions and 18 deletions
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27
source3/printing/printing.c
View File

@ -804,7 +804,9 @@ static BOOL print_cache_expired(int snum)
slprintf(key, sizeof(key)-1, "CACHE/%s", lp_servicename(snum));
t2 = tdb_fetch_int(tdb, key);
if (t2 == ((time_t)-1) || (t - t2) >= lp_lpqcachetime()) {
DEBUG(3, ("print cache expired\n"));
DEBUG(3, ("print cache expired for queue %s \
(last_cache = %d, time now = %d, qcachetime = %d)\n", lp_servicename(snum),
(int)t2, (int)t, (int)lp_lpqcachetime() ));
return True;
}
return False;
@ -835,15 +837,21 @@ static int get_queue_status(int snum, print_status_struct *status)
/****************************************************************************
Determine the number of jobs in a queue.
****************************************************************************/
static int print_queue_length(int snum)
int print_queue_length(int snum, print_status_struct *pstatus)
{
print_status_struct status;
int len;
/* make sure the database is up to date */
if (print_cache_expired(snum)) print_queue_update(snum);
if (print_cache_expired(snum))
print_queue_update(snum);
/* also fetch the queue status */
return get_queue_status(snum, &status);
len = get_queue_status(snum, &status);
if (pstatus)
*pstatus = status;
return len;
}
/****************************************************************************
@ -873,6 +881,7 @@ int print_job_start(struct current_user *user, int snum, char *jobname)
struct printjob pjob;
int next_jobid;
user_struct *vuser;
int njobs;
errno = 0;
@ -907,9 +916,9 @@ int print_job_start(struct current_user *user, int snum, char *jobname)
}
/* Insure the maximum queue size is not violated */
if (lp_maxprintjobs(snum) && print_queue_length(snum) > lp_maxprintjobs(snum)) {
if (lp_maxprintjobs(snum) && (njobs = print_queue_length(snum,NULL)) > lp_maxprintjobs(snum)) {
DEBUG(3, ("print_job_start: number of jobs (%d) larger than max printjobs per queue (%d).\n",
print_queue_length(snum), lp_maxprintjobs(snum) ));
njobs, lp_maxprintjobs(snum) ));
errno = ENOSPC;
return -1;
}
@ -917,7 +926,7 @@ int print_job_start(struct current_user *user, int snum, char *jobname)
/* Insure the maximum print jobs in the system is not violated */
if (lp_totalprintjobs() && get_total_jobs(snum) > lp_totalprintjobs()) {
DEBUG(3, ("print_job_start: number of jobs (%d) larger than max printjobs per system (%d).\n",
print_queue_length(snum), lp_totalprintjobs() ));
njobs, lp_totalprintjobs() ));
errno = ENOSPC;
return -1;
}

11
source3/rpc_server/srv_spoolss_nt.c
View File

@ -1835,14 +1835,12 @@ static void spoolss_notify_status(int snum,
NT_PRINTER_INFO_LEVEL *printer,
TALLOC_CTX *mem_ctx)
{
print_queue_struct *q=NULL;
print_status_struct status;
memset(&status, 0, sizeof(status));
print_queue_status(snum, &q, &status);
print_queue_length(snum, &status);
data->notify_data.value[0]=(uint32) status.status;
data->notify_data.value[1] = 0;
SAFE_FREE(q);
}
/*******************************************************************
@ -1854,13 +1852,8 @@ static void spoolss_notify_cjobs(int snum,
NT_PRINTER_INFO_LEVEL *printer,
TALLOC_CTX *mem_ctx)
{
print_queue_struct *q=NULL;
print_status_struct status;
memset(&status, 0, sizeof(status));
data->notify_data.value[0] = print_queue_status(snum, &q, &status);
data->notify_data.value[0] = print_queue_length(snum, NULL);
data->notify_data.value[1] = 0;
SAFE_FREE(q);
}
/*******************************************************************