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/*
Unix SMB/CIFS implementation.
printing command routines
Copyright (C) Andrew Tridgell 1992-2000
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "printing.h"
/*
* Generic printing interface definitions...
*/
static int generic_job_delete(int snum, struct printjob *pjob);
static int generic_job_pause(int snum, struct printjob *pjob);
static int generic_job_resume(int snum, struct printjob *pjob);
static int generic_job_submit(int snum, struct printjob *pjob);
static int generic_queue_get(int snum, print_queue_struct **q,
print_status_struct *status);
static int generic_queue_pause(int snum);
static int generic_queue_resume(int snum);
struct printif generic_printif =
{
generic_queue_get,
generic_queue_pause,
generic_queue_resume,
generic_job_delete,
generic_job_pause,
generic_job_resume,
generic_job_submit,
};
/****************************************************************************
run a given print command
a null terminated list of value/substitute pairs is provided
for local substitution strings
****************************************************************************/
static int print_run_command(int snum,char *command, int *outfd, ...)
{
pstring syscmd;
char *arg;
int ret;
va_list ap;
va_start(ap, outfd);
if (!command || !*command) return -1;
if (!VALID_SNUM(snum)) {
DEBUG(0,("Invalid snum %d for command %s\n", snum, command));
return -1;
}
pstrcpy(syscmd, command);
while ((arg = va_arg(ap, char *))) {
char *value = va_arg(ap,char *);
pstring_sub(syscmd, arg, value);
}
va_end(ap);
pstring_sub(syscmd, "%p", PRINTERNAME(snum));
standard_sub_snum(snum,syscmd,sizeof(syscmd));
ret = smbrun(syscmd,outfd);
DEBUG(3,("Running the command `%s' gave %d\n",syscmd,ret));
return ret;
}
/****************************************************************************
delete a print job
****************************************************************************/
static int generic_job_delete(int snum, struct printjob *pjob)
{
fstring jobstr;
/* need to delete the spooled entry */
slprintf(jobstr, sizeof(jobstr)-1, "%d", pjob->sysjob);
return print_run_command(
snum,
lp_lprmcommand(snum), NULL,
"%j", jobstr,
"%T", http_timestring(pjob->starttime),
NULL);
}
/****************************************************************************
pause a job
****************************************************************************/
static int generic_job_pause(int snum, struct printjob *pjob)
{
fstring jobstr;
/* need to pause the spooled entry */
slprintf(jobstr, sizeof(jobstr)-1, "%d", pjob->sysjob);
return print_run_command(snum,
lp_lppausecommand(snum), NULL,
"%j", jobstr,
NULL);
}
/****************************************************************************
resume a job
****************************************************************************/
static int generic_job_resume(int snum, struct printjob *pjob)
{
fstring jobstr;
/* need to pause the spooled entry */
slprintf(jobstr, sizeof(jobstr)-1, "%d", pjob->sysjob);
return print_run_command(snum,
lp_lpresumecommand(snum), NULL,
"%j", jobstr,
NULL);
}
/****************************************************************************
Submit a file for printing - called from print_job_end()
****************************************************************************/
static int generic_job_submit(int snum, struct printjob *pjob)
{
int ret;
pstring current_directory;
pstring print_directory;
char *wd, *p;
pstring jobname;
fstring job_page_count, job_size;
/* we print from the directory path to give the best chance of
parsing the lpq output */
wd = sys_getwd(current_directory);
if (!wd)
return 0;
pstrcpy(print_directory, pjob->filename);
p = strrchr_m(print_directory,'/');
if (!p)
return 0;
*p++ = 0;
if (chdir(print_directory) != 0)
return 0;
pstrcpy(jobname, pjob->jobname);
pstring_sub(jobname, "'", "_");
slprintf(job_page_count, sizeof(job_page_count)-1, "%d", pjob->page_count);
slprintf(job_size, sizeof(job_size)-1, "%d", pjob->size);
/* send it to the system spooler */
ret = print_run_command(snum,
lp_printcommand(snum), NULL,
"%s", p,
"%J", jobname,
"%f", p,
"%z", job_size,
"%c", job_page_count,
NULL);
chdir(wd);
return ret;
}
/****************************************************************************
get the current list of queued jobs
****************************************************************************/
static int generic_queue_get(int snum, print_queue_struct **q, print_status_struct *status)
{
char **qlines;
int fd;
int numlines, i, qcount;
print_queue_struct *queue = NULL;
fstring printer_name;
fstrcpy(printer_name, lp_servicename(snum));
print_run_command(snum, lp_lpqcommand(snum), &fd, NULL);
if (fd == -1) {
DEBUG(5,("generic_queue_get: Can't read print queue status for printer %s\n",
printer_name ));
return 0;
}
numlines = 0;
qlines = fd_lines_load(fd, &numlines);
close(fd);
/* turn the lpq output into a series of job structures */
qcount = 0;
ZERO_STRUCTP(status);
if (numlines)
queue = (print_queue_struct *)malloc(sizeof(print_queue_struct)*(numlines+1));
if (queue) {
for (i=0; i<numlines; i++) {
/* parse the line */
if (parse_lpq_entry(snum,qlines[i],
&queue[qcount],status,qcount==0)) {
qcount++;
}
}
}
file_lines_free(qlines);
*q = queue;
return qcount;
}
/****************************************************************************
pause a queue
****************************************************************************/
static int generic_queue_pause(int snum)
{
return print_run_command(snum, lp_queuepausecommand(snum), NULL, NULL);
}
/****************************************************************************
resume a queue
****************************************************************************/
static int generic_queue_resume(int snum)
{
return print_run_command(snum, lp_queueresumecommand(snum), NULL, NULL);
}
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