2 Unix SMB/Netbios implementation.
4 Virtual lp system for printer testing
6 Copyright (C) Tim Potter 2000
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #define PRINT_TDB "/tmp/vlp.tdb"
25 #define PRINT_FIRSTJOB "100"
27 static TDB_CONTEXT *tdb;
41 static void usage(void)
43 printf("Usage: print-test lpq|lprm|print|queuepause|queueresume|"
44 "lppause|lpresume [args]\n");
47 /* Return an array of vlp jobs that is the printer queue */
49 static void get_job_list(char *printer, struct vlp_job **job_list,
55 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
56 data = tdb_fetch_by_string(tdb, keystr);
58 *job_list = (struct vlp_job *)data.dptr;
59 *num_jobs = data.dsize / sizeof(struct vlp_job);
62 /* Store an array of vl jobs for the queue */
64 static void set_job_list(char *printer, struct vlp_job *job_list,
69 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
71 tdb_store_by_string(tdb, keystr, job_list,
72 num_jobs * sizeof(struct vlp_job));
75 /* Return the next job number for a printer */
77 static int next_jobnum(char *printer)
82 slprintf(keystr, sizeof(keystr) - 1, "JOBNUM/%s", printer);
84 tdb_lock_bystring(tdb, keystr);
86 jobnum = tdb_fetch_int(tdb, keystr);
88 /* Create next job index if none exists */
91 jobnum = atoi(PRINT_FIRSTJOB);
95 tdb_store_int(tdb, keystr, jobnum);
97 tdb_unlock_bystring(tdb, keystr);
102 static void set_printer_status(char *printer, int status)
107 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
108 result = tdb_store_int(tdb, keystr, status);
111 static int get_printer_status(char *printer)
116 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
119 data.dsize = strlen(keystr) + 1;
121 if (!tdb_exists(tdb, data)) {
122 set_printer_status(printer, LPSTAT_OK);
126 return tdb_fetch_int(tdb, keystr);
129 /* Display printer queue */
131 static int lpq_command(int argc, char **argv)
134 struct vlp_job *job_list = NULL;
135 int i, num_jobs, job_count = 0;
138 printf("Usage: lpq <printername>\n");
144 /* Display printer status */
146 switch (get_printer_status(printer)) {
151 printf("disabled\n");
159 /* Print queued documents */
161 get_job_list(printer, &job_list, &num_jobs);
163 for (i = 0; i < num_jobs; i++) {
164 if (job_list[i].deleted) continue;
165 printf("%d\t%d\t%d\t%ld\t%s\t%s\n", job_list[i].jobid,
167 (i == 0 && job_list[i].status == LPQ_QUEUED) ?
168 LPQ_SPOOLING : job_list[i].status,
169 job_list[i].submit_time, job_list[i].owner,
170 job_list[i].jobname);
181 static int lprm_command(int argc, char **argv)
184 int jobid, num_jobs, i;
185 struct vlp_job *job_list;
188 printf("Usage: lprm <printername> <jobid>\n");
193 jobid = atoi(argv[2]);
195 get_job_list(printer, &job_list, &num_jobs);
197 for (i = 0; i < num_jobs; i++) {
198 if (job_list[i].jobid == jobid) {
199 job_list[i].deleted = 1;
200 set_job_list(printer, job_list, num_jobs);
208 /* print command = print-test %p %s */
210 static int print_command(int argc, char **argv)
220 printf("Usage: print <printername> <jobname>\n");
228 /* Create a job record */
230 for (i = 2; i < argc; i++) {
231 fstrcat(job.jobname, argv[i]);
233 fstrcat(job.jobname, " ");
237 if (!(pw = getpwuid(getuid()))) {
241 fstrcpy(job.owner, pw->pw_name);
243 job.jobid = next_jobnum(printer);
245 job.submit_time = time(NULL);
247 /* Store job entry in queue */
249 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
251 value = tdb_fetch_by_string(tdb, keystr);
255 /* Add job to end of queue */
257 value.dptr = realloc(value.dptr, value.dsize +
258 sizeof(struct vlp_job));
259 if (!value.dptr) return 1;
261 memcpy(value.dptr + value.dsize, &job, sizeof(struct vlp_job));
263 tdb_store_by_string(tdb, keystr, value.dptr, value.dsize +
264 sizeof(struct vlp_job));
270 /* Create new queue */
272 tdb_store_by_string(tdb, keystr, &job, sizeof(struct vlp_job));
278 /* Pause the queue */
280 static int queuepause_command(int argc, char **argv)
285 printf("Usage: queuepause <printername>\n");
290 set_printer_status(printer, LPSTAT_STOPPED);
295 /* Resume the queue */
297 static int queueresume_command(int argc, char **argv)
302 printf("Usage: queueresume <printername>\n");
307 set_printer_status(printer, LPSTAT_OK);
314 static int lppause_command(int argc, char **argv)
316 struct vlp_job *job_list;
318 int jobid, num_jobs, i;
321 printf("Usage: lppause <printername> <jobid>\n");
326 jobid = atoi(argv[2]);
328 get_job_list(printer, &job_list, &num_jobs);
330 for (i = 0; i < num_jobs; i++) {
331 if (job_list[i].jobid == jobid) {
332 job_list[i].status = LPQ_PAUSED;
333 set_job_list(printer, job_list, num_jobs);
343 static int lpresume_command(int argc, char **argv)
345 struct vlp_job *job_list;
347 int jobid, num_jobs, i;
350 printf("Usage: lpresume <printername> <jobid>\n");
355 jobid = atoi(argv[2]);
357 get_job_list(printer, &job_list, &num_jobs);
359 for (i = 0; i < num_jobs; i++) {
360 if (job_list[i].jobid == jobid) {
361 job_list[i].status = LPQ_QUEUED;
362 set_job_list(printer, job_list, num_jobs);
370 int main(int argc, char **argv)
372 /* Parameter check */
381 if (!(tdb = tdb_open(PRINT_TDB, 0, 0, O_RDWR | O_CREAT,
383 printf("%s: unable to open %s\n", argv[0], PRINT_TDB);
387 /* Ensure we are modes 666 */
389 chmod(PRINT_TDB, 0666);
393 if (strcmp(argv[1], "lpq") == 0) {
394 return lpq_command(argc - 1, &argv[1]);
397 if (strcmp(argv[1], "lprm") == 0) {
398 return lprm_command(argc - 1, &argv[1]);
401 if (strcmp(argv[1], "print") == 0) {
402 return print_command(argc - 1, &argv[1]);
405 if (strcmp(argv[1], "queuepause") == 0) {
406 return queuepause_command(argc - 1, &argv[1]);
409 if (strcmp(argv[1], "queueresume") == 0) {
410 return queueresume_command(argc - 1, &argv[1]);
413 if (strcmp(argv[1], "lppause") == 0) {
414 return lppause_command(argc - 1, &argv[1]);
417 if (strcmp(argv[1], "lpresume") == 0) {
418 return lpresume_command(argc - 1, &argv[1]);
421 /* Unknown command */
423 printf("%s: invalid command %s\n", argv[0], argv[1]);