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/>.
23 #include "system/passwd.h"
24 #include "system/filesys.h"
31 #define PRINT_FIRSTJOB "100"
33 static TDB_CONTEXT *tdb;
47 static void usage(void)
49 printf("Usage: vlp tdbfile=/tmp/vlp.tdb lpq|lprm|print|queuepause|queueresume|"
50 "lppause|lpresume [args]\n");
53 /* Return an array of vlp jobs that is the printer queue */
55 static void get_job_list(char *printer, struct vlp_job **job_list,
61 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
62 data = tdb_fetch_bystring(tdb, keystr);
64 *job_list = (struct vlp_job *)data.dptr;
65 *num_jobs = data.dsize / sizeof(struct vlp_job);
68 /* Store an array of vl jobs for the queue */
70 static void set_job_list(char *printer, struct vlp_job *job_list,
76 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
78 data.dptr = (unsigned char *)job_list;
79 data.dsize = num_jobs * sizeof(struct vlp_job);
80 tdb_store_bystring(tdb, keystr, data, TDB_REPLACE);
83 /* Return the next job number for a printer */
85 static int next_jobnum(char *printer)
90 slprintf(keystr, sizeof(keystr) - 1, "JOBNUM/%s", printer);
92 tdb_lock_bystring(tdb, keystr);
94 jobnum = tdb_fetch_int32(tdb, keystr);
96 /* Create next job index if none exists */
99 jobnum = atoi(PRINT_FIRSTJOB);
103 tdb_store_int32(tdb, keystr, jobnum);
105 tdb_unlock_bystring(tdb, keystr);
110 static void set_printer_status(char *printer, int status)
115 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
116 result = tdb_store_int32(tdb, keystr, status);
119 static int get_printer_status(char *printer)
124 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
126 data.dptr = (unsigned char *)keystr;
127 data.dsize = strlen(keystr) + 1;
129 if (!tdb_exists(tdb, data)) {
130 set_printer_status(printer, LPSTAT_OK);
134 return tdb_fetch_int32(tdb, keystr);
137 /* Display printer queue */
139 static int lpq_command(int argc, char **argv)
142 struct vlp_job *job_list = NULL;
143 int i, num_jobs, job_count = 0;
146 printf("Usage: lpq <printername>\n");
152 /* Display printer status */
154 switch (get_printer_status(printer)) {
159 printf("disabled\n");
167 /* Print queued documents */
169 get_job_list(printer, &job_list, &num_jobs);
171 for (i = 0; i < num_jobs; i++) {
172 if (job_list[i].deleted) continue;
173 printf("%d\t%d\t%d\t%ld\t%s\t%s\n", job_list[i].jobid,
175 (i == 0 && job_list[i].status == LPQ_QUEUED) ?
176 LPQ_SPOOLING : job_list[i].status,
177 (long int)job_list[i].submit_time, job_list[i].owner,
178 job_list[i].jobname);
189 static int lprm_command(int argc, char **argv)
192 int jobid, num_jobs, i;
193 struct vlp_job *job_list;
196 printf("Usage: lprm <printername> <jobid>\n");
201 jobid = atoi(argv[2]);
203 get_job_list(printer, &job_list, &num_jobs);
205 for (i = 0; i < num_jobs; i++) {
206 if (job_list[i].jobid == jobid) {
207 job_list[i].deleted = 1;
208 set_job_list(printer, job_list, num_jobs);
216 /* print command = print-test %p %s */
218 static int print_command(int argc, char **argv)
223 TDB_DATA value, queue;
227 printf("Usage: print <printername> <jobname>\n");
235 /* Create a job record */
237 slprintf(job.jobname, sizeof(job.jobname) - 1, "%s", argv[2]);
239 if (!(pw = getpwuid(getuid()))) {
243 slprintf(job.owner, sizeof(job.owner) - 1, "%s", pw->pw_name);
245 job.jobid = next_jobnum(printer);
247 job.submit_time = time(NULL);
249 /* Store job entry in queue */
251 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
253 value = tdb_fetch_bystring(tdb, keystr);
257 /* Add job to end of queue */
259 queue.dptr = (unsigned char *)malloc(value.dsize + 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 const char *printdb_path = NULL;
385 if (strncmp(argv[1], "tdbfile", strlen("tdbfile")) != 0) {
390 printdb_path = get_string_param(argv[1]);
395 if (!(tdb = tdb_open(printdb_path, 0, 0, O_RDWR | O_CREAT,
397 printf("%s: unable to open %s\n", argv[0], printdb_path);
401 /* Ensure we are modes 666 */
403 chmod(printdb_path, 0666);
407 if (strcmp(argv[2], "lpq") == 0) {
408 return lpq_command(argc - 2, &argv[2]);
411 if (strcmp(argv[2], "lprm") == 0) {
412 return lprm_command(argc - 2, &argv[2]);
415 if (strcmp(argv[2], "print") == 0) {
416 return print_command(argc - 2, &argv[2]);
419 if (strcmp(argv[2], "queuepause") == 0) {
420 return queuepause_command(argc - 2, &argv[2]);
423 if (strcmp(argv[2], "queueresume") == 0) {
424 return queueresume_command(argc - 2, &argv[2]);
427 if (strcmp(argv[2], "lppause") == 0) {
428 return lppause_command(argc - 2, &argv[2]);
431 if (strcmp(argv[2], "lpresume") == 0) {
432 return lpresume_command(argc - 2, &argv[2]);
435 /* Unknown command */
437 printf("%s: invalid command %s\n", argv[0], argv[1]);