/*
* Disable queuing.
*/
void
disable_q(struct printer *pp)
{
int setres;
char lf[MAXPATHLEN];
lock_file_name(pp, lf, sizeof lf);
printf("%s:\n", pp->printer);
setres = set_qstate(SQS_DISABLEQ, lf);
}
void
down_q(struct printer *pp)
{
int setres;
char lf[MAXPATHLEN];
lock_file_name(pp, lf, sizeof lf);
printf("%s:\n", pp->printer);
setres = set_qstate(SQS_DISABLEQ+SQS_STOPP, lf);
if (setres >= 0)
upstat(pp, generic_msg, 1);
}
/*
* kill an existing daemon and disable printing.
*/
void
abort_q(struct printer *pp)
{
int killres, setres;
char lf[MAXPATHLEN];
lock_file_name(pp, lf, sizeof lf);
printf("%s:\n", pp->printer);
/*
* Turn on the owner execute bit of the lock file to disable printing.
*/
setres = set_qstate(SQS_STOPP, lf);
/*
* If set_qstate found that there already was a lock file, then
* call a routine which will read that lock file and kill the
* lpd-process which is listed in that lock file. If the lock
* file did not exist, then either there is no daemon running
* for this queue, or there is one running but *it* could not
* write a lock file (which means we can not determine the
* process id of that lpd-process).
*/
switch (setres) {
case SQS_CHGOK:
case SQS_CHGFAIL:
/* Kill the process */
killres = kill_qtask(lf);
break;
case SQS_CREOK:
case SQS_CREFAIL:
printf("\tno daemon to abort\n");
break;
case SQS_STATFAIL:
printf("\tassuming no daemon to abort\n");
break;
default:
printf("\t<unexpected result (%d) from set_qstate>\n",
setres);
break;
}
if (setres >= 0)
upstat(pp, "printing disabled\n", 0);
}
/*
* Processing in common between topq and bottomq commands.
*/
void
tqbq_common(int argc, char *argv[], int origcmd)
{
struct printer myprinter, *pp;
struct touchjqe_info touch_info;
int i, movecnt, setres;
pp = setup_myprinter(*argv, &myprinter, SUMP_CHDIR_SD);
if (pp == NULL)
return;
--argc; /* Second argv was the printer name */
++argv;
nitems = getq(pp, &queue);
if (nitems == 0) {
printf("\tthere are no jobs in the queue\n");
free_printer(pp);
return;
}
/*
* The only real difference between topq and bottomq is the
* initial value used for newtime.
*/
switch (origcmd) {
case IS_BOTQ:
/*
* When moving jobs to the bottom of the queue, pick a
* starting value which is one second after the last job
* in the queue.
*/
touch_info.newtime = queue[nitems - 1]->job_time + 1;
break;
case IS_TOPQ:
/*
* When moving jobs to the top of the queue, the greatest
* number of jobs which could be moved is all the jobs
* that are in the queue. Pick a starting value which
* leaves plenty of room for all existing jobs.
*/
touch_info.newtime = queue[0]->job_time - nitems - 5;
break;
default:
printf("\ninternal error in topq/bottomq processing.\n");
return;
}
movecnt = process_jobs(argc, argv, touch_jqe, &touch_info);
/*
* If any jobs were moved, then chmod the lock file to notify any
* active process for this queue that the queue has changed, so
* it will rescan the queue to find out the new job order.
*/
if (movecnt == 0)
printf("\tqueue order unchanged\n");
else {
setres = set_qstate(SQS_QCHANGED, pp->lock_file);
if (setres < 0)
printf("\t* queue order changed for %s, but the\n"
"\t* attempt to set_qstate() failed [%d]!\n",
pp->printer, setres);
}
for (i = 0; i < nitems; i++)
free(queue[i]);
free(queue);
free_printer(pp);
}
