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_FIRSTJOB "100"
26 static TDB_CONTEXT *tdb;
40 static void usage(void)
42 printf("Usage: print-test lpq|lprm|print|queuepause|queueresume|"
43 "lppause|lpresume [args]\n");
46 /* Return an array of vlp jobs that is the printer queue */
48 static void get_job_list(char *printer, struct vlp_job **job_list,
54 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
55 data = tdb_fetch_bystring(tdb, keystr);
57 *job_list = (struct vlp_job *)data.dptr;
58 *num_jobs = data.dsize / sizeof(struct vlp_job);
61 /* Store an array of vl jobs for the queue */
63 static void set_job_list(char *printer, struct vlp_job *job_list,
69 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
71 data.dptr = (unsigned char *)job_list;
72 data.dsize = num_jobs * sizeof(struct vlp_job);
73 tdb_store_bystring(tdb, keystr, data, TDB_REPLACE);
76 /* Return the next job number for a printer */
78 static int next_jobnum(char *printer)
83 slprintf(keystr, sizeof(keystr) - 1, "JOBNUM/%s", printer);
85 tdb_lock_bystring(tdb, keystr);
87 jobnum = tdb_fetch_int32(tdb, keystr);
89 /* Create next job index if none exists */
92 jobnum = atoi(PRINT_FIRSTJOB);
96 tdb_store_int32(tdb, keystr, jobnum);
98 tdb_unlock_bystring(tdb, keystr);
103 static void set_printer_status(char *printer, int status)
108 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
109 result = tdb_store_int32(tdb, keystr, status);
112 static int get_printer_status(char *printer)
117 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
119 data.dptr = (unsigned char *)keystr;
120 data.dsize = strlen(keystr) + 1;
122 if (!tdb_exists(tdb, data)) {
123 set_printer_status(printer, LPSTAT_OK);
127 return tdb_fetch_int32(tdb, keystr);
130 /* Display printer queue */
132 static int lpq_command(int argc, char **argv)
135 struct vlp_job *job_list = NULL;
136 int i, num_jobs, job_count = 0;
139 printf("Usage: lpq <printername>\n");
145 /* Display printer status */
147 switch (get_printer_status(printer)) {
152 printf("disabled\n");
160 /* Print queued documents */
162 get_job_list(printer, &job_list, &num_jobs);
164 for (i = 0; i < num_jobs; i++) {
165 if (job_list[i].deleted) continue;
166 printf("%d\t%d\t%d\t%ld\t%s\t%s\n", job_list[i].jobid,
168 (i == 0 && job_list[i].status == LPQ_QUEUED) ?
169 LPQ_SPOOLING : job_list[i].status,
170 (long int)job_list[i].submit_time, job_list[i].owner,
171 job_list[i].jobname);
182 static int lprm_command(int argc, char **argv)
185 int jobid, num_jobs, i;
186 struct vlp_job *job_list;
189 printf("Usage: lprm <printername> <jobid>\n");
194 jobid = atoi(argv[2]);
196 get_job_list(printer, &job_list, &num_jobs);
198 for (i = 0; i < num_jobs; i++) {
199 if (job_list[i].jobid == jobid) {
200 job_list[i].deleted = 1;
201 set_job_list(printer, job_list, num_jobs);
209 /* print command = print-test %p %s */
211 static int print_command(int argc, char **argv)
216 TDB_DATA value, queue;
221 printf("Usage: print <printername> <jobname>\n");
229 /* Create a job record */
231 for (i = 2; i < argc; i++) {
232 fstrcat(job.jobname, argv[i]);
234 fstrcat(job.jobname, " ");
238 if (!(pw = getpwuid(getuid()))) {
242 fstrcpy(job.owner, pw->pw_name);
244 job.jobid = next_jobnum(printer);
246 job.submit_time = time(NULL);
248 /* Store job entry in queue */
250 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
252 value = tdb_fetch_bystring(tdb, keystr);
256 /* Add job to end of queue */
258 queue.dptr = (unsigned char *)SMB_MALLOC(value.dsize +
259 sizeof(struct vlp_job));
260 if (!queue.dptr) return 1;
262 memcpy(queue.dptr, value.dptr, value.dsize);
263 memcpy(queue.dptr + value.dsize, &job, sizeof(struct vlp_job));
265 queue.dsize = value.dsize + sizeof(struct vlp_job);
267 tdb_store_bystring(tdb, keystr, queue, TDB_REPLACE);
273 /* Create new queue */
274 queue.dptr = (unsigned char *)&job;
275 queue.dsize = sizeof(struct vlp_job);
277 tdb_store_bystring(tdb, keystr, queue, TDB_REPLACE);
283 /* Pause the queue */
285 static int queuepause_command(int argc, char **argv)
290 printf("Usage: queuepause <printername>\n");
295 set_printer_status(printer, LPSTAT_STOPPED);
300 /* Resume the queue */
302 static int queueresume_command(int argc, char **argv)
307 printf("Usage: queueresume <printername>\n");
312 set_printer_status(printer, LPSTAT_OK);
319 static int lppause_command(int argc, char **argv)
321 struct vlp_job *job_list;
323 int jobid, num_jobs, i;
326 printf("Usage: lppause <printername> <jobid>\n");
331 jobid = atoi(argv[2]);
333 get_job_list(printer, &job_list, &num_jobs);
335 for (i = 0; i < num_jobs; i++) {
336 if (job_list[i].jobid == jobid) {
337 job_list[i].status = LPQ_PAUSED;
338 set_job_list(printer, job_list, num_jobs);
348 static int lpresume_command(int argc, char **argv)
350 struct vlp_job *job_list;
352 int jobid, num_jobs, i;
355 printf("Usage: lpresume <printername> <jobid>\n");
360 jobid = atoi(argv[2]);
362 get_job_list(printer, &job_list, &num_jobs);
364 for (i = 0; i < num_jobs; i++) {
365 if (job_list[i].jobid == jobid) {
366 job_list[i].status = LPQ_QUEUED;
367 set_job_list(printer, job_list, num_jobs);
375 int main(int argc, char **argv)
377 /* Parameter check */
378 char *printdb_path = NULL;
388 printdb_path = "/tmp/vlp.tdb";
390 if (asprintf(&printdb_path, "%svlp.tdb",
391 cache_path("printing/"))) {
396 if (!(tdb = tdb_open(printdb_path, 0, 0, O_RDWR | O_CREAT,
398 printf("%s: unable to open %s\n", argv[0], printdb_path);
402 /* Ensure we are modes 666 */
404 chmod(printdb_path, 0666);
408 if (strcmp(argv[1], "lpq") == 0) {
409 return lpq_command(argc - 1, &argv[1]);
412 if (strcmp(argv[1], "lprm") == 0) {
413 return lprm_command(argc - 1, &argv[1]);
416 if (strcmp(argv[1], "print") == 0) {
417 return print_command(argc - 1, &argv[1]);
420 if (strcmp(argv[1], "queuepause") == 0) {
421 return queuepause_command(argc - 1, &argv[1]);
424 if (strcmp(argv[1], "queueresume") == 0) {
425 return queueresume_command(argc - 1, &argv[1]);
428 if (strcmp(argv[1], "lppause") == 0) {
429 return lppause_command(argc - 1, &argv[1]);
432 if (strcmp(argv[1], "lpresume") == 0) {
433 return lpresume_command(argc - 1, &argv[1]);
436 /* Unknown command */
438 printf("%s: invalid command %s\n", argv[0], argv[1]);