source: branches/samba-3.0/testsuite/printing/vlp.c@ 440

Last change on this file since 440 was 1, checked in by Paul Smedley, 19 years ago

Initial code import
File size: 8.0 KB
Line 
1/*
2 Unix SMB/Netbios implementation.
3
4 Virtual lp system for printer testing
5
6 Copyright (C) Tim Potter 2000
7
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 2 of the License, or
11 (at your option) any later version.
12
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.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21*/
22
23#include "includes.h"
24
25#define PRINT_TDB "/tmp/vlp.tdb"
26#define PRINT_FIRSTJOB "100"
27
28static TDB_CONTEXT *tdb;
29
30struct vlp_job {
31 fstring owner;
32 int jobid;
33 fstring jobname;
34 int size;
35 int status;
36 time_t submit_time;
37 int deleted;
38};
39
40/* Print usage */
41
42static void usage(void)
43{
44 printf("Usage: print-test lpq|lprm|print|queuepause|queueresume|"
45 "lppause|lpresume [args]\n");
46}
47
48/* Return an array of vlp jobs that is the printer queue */
49
50static void get_job_list(char *printer, struct vlp_job **job_list,
51 int *num_jobs)
52{
53 fstring keystr;
54 TDB_DATA data;
55
56 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
57 data = tdb_fetch_by_string(tdb, keystr);
58
59 *job_list = (struct vlp_job *)data.dptr;
60 *num_jobs = data.dsize / sizeof(struct vlp_job);
61}
62
63/* Store an array of vl jobs for the queue */
64
65static void set_job_list(char *printer, struct vlp_job *job_list,
66 int num_jobs)
67{
68 fstring keystr;
69
70 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
71
72 tdb_store_by_string(tdb, keystr, job_list,
73 num_jobs * sizeof(struct vlp_job));
74}
75
76/* Return the next job number for a printer */
77
78static int next_jobnum(char *printer)
79{
80 fstring keystr;
81 int jobnum;
82
83 slprintf(keystr, sizeof(keystr) - 1, "JOBNUM/%s", printer);
84
85 tdb_lock_bystring(tdb, keystr);
86
87 jobnum = tdb_fetch_int(tdb, keystr);
88
89 /* Create next job index if none exists */
90
91 if (jobnum == -1) {
92 jobnum = atoi(PRINT_FIRSTJOB);
93 }
94
95 jobnum++;
96 tdb_store_int(tdb, keystr, jobnum);
97
98 tdb_unlock_bystring(tdb, keystr);
99
100 return jobnum;
101}
102
103static void set_printer_status(char *printer, int status)
104{
105 fstring keystr;
106 int result;
107
108 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
109 result = tdb_store_int(tdb, keystr, status);
110}
111
112static int get_printer_status(char *printer)
113{
114 fstring keystr;
115 TDB_DATA data;
116
117 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
118
119 data.dptr = keystr;
120 data.dsize = strlen(keystr) + 1;
121
122 if (!tdb_exists(tdb, data)) {
123 set_printer_status(printer, LPSTAT_OK);
124 return LPSTAT_OK;
125 }
126
127 return tdb_fetch_int(tdb, keystr);
128}
129
130/* Display printer queue */
131
132static int lpq_command(int argc, char **argv)
133{
134 char *printer;
135 struct vlp_job *job_list = NULL;
136 int i, num_jobs, job_count = 0;
137
138 if (argc != 2) {
139 printf("Usage: lpq <printername>\n");
140 return 1;
141 }
142
143 printer = argv[1];
144
145 /* Display printer status */
146
147 switch (get_printer_status(printer)) {
148 case LPSTAT_OK:
149 printf("enabled\n");
150 break;
151 case LPSTAT_STOPPED:
152 printf("disabled\n");
153 break;
154 case LPSTAT_ERROR:
155 default:
156 printf("error\n");
157 break;
158 }
159
160 /* Print queued documents */
161
162 get_job_list(printer, &job_list, &num_jobs);
163
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,
167 job_list[i].size,
168 (i == 0 && job_list[i].status == LPQ_QUEUED) ?
169 LPQ_SPOOLING : job_list[i].status,
170 job_list[i].submit_time, job_list[i].owner,
171 job_list[i].jobname);
172 job_count++;
173 }
174
175 free(job_list);
176
177 return 0;
178}
179
180/* Remove a job */
181
182static int lprm_command(int argc, char **argv)
183{
184 char *printer;
185 int jobid, num_jobs, i;
186 struct vlp_job *job_list;
187
188 if (argc < 3) {
189 printf("Usage: lprm <printername> <jobid>\n");
190 return 1;
191 }
192
193 printer = argv[1];
194 jobid = atoi(argv[2]);
195
196 get_job_list(printer, &job_list, &num_jobs);
197
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);
202 break;
203 }
204 }
205
206 return 0;
207}
208
209/* print command = print-test %p %s */
210
211static int print_command(int argc, char **argv)
212{
213 char *printer;
214 fstring keystr;
215 struct passwd *pw;
216 TDB_DATA value;
217 struct vlp_job job;
218 int i;
219
220 if (argc < 3) {
221 printf("Usage: print <printername> <jobname>\n");
222 return 1;
223 }
224
225 printer = argv[1];
226
227 ZERO_STRUCT(job);
228
229 /* Create a job record */
230
231 for (i = 2; i < argc; i++) {
232 fstrcat(job.jobname, argv[i]);
233 if (i < argc - 1) {
234 fstrcat(job.jobname, " ");
235 }
236 }
237
238 if (!(pw = getpwuid(getuid()))) {
239 return 1;
240 }
241
242 fstrcpy(job.owner, pw->pw_name);
243
244 job.jobid = next_jobnum(printer);
245 job.size = 666;
246 job.submit_time = time(NULL);
247
248 /* Store job entry in queue */
249
250 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
251
252 value = tdb_fetch_by_string(tdb, keystr);
253
254 if (value.dptr) {
255
256 /* Add job to end of queue */
257
258 value.dptr = realloc(value.dptr, value.dsize +
259 sizeof(struct vlp_job));
260 if (!value.dptr) return 1;
261
262 memcpy(value.dptr + value.dsize, &job, sizeof(struct vlp_job));
263
264 tdb_store_by_string(tdb, keystr, value.dptr, value.dsize +
265 sizeof(struct vlp_job));
266
267 free(value.dptr);
268
269 } else {
270
271 /* Create new queue */
272
273 tdb_store_by_string(tdb, keystr, &job, sizeof(struct vlp_job));
274 }
275
276 return 0;
277}
278
279/* Pause the queue */
280
281static int queuepause_command(int argc, char **argv)
282{
283 char *printer;
284
285 if (argc != 2) {
286 printf("Usage: queuepause <printername>\n");
287 return 1;
288 }
289
290 printer = argv[1];
291 set_printer_status(printer, LPSTAT_STOPPED);
292
293 return 0;
294}
295
296/* Resume the queue */
297
298static int queueresume_command(int argc, char **argv)
299{
300 char *printer;
301
302 if (argc != 2) {
303 printf("Usage: queueresume <printername>\n");
304 return 1;
305 }
306
307 printer = argv[1];
308 set_printer_status(printer, LPSTAT_OK);
309
310 return 0;
311}
312
313/* Pause a job */
314
315static int lppause_command(int argc, char **argv)
316{
317 struct vlp_job *job_list;
318 char *printer;
319 int jobid, num_jobs, i;
320
321 if (argc != 3) {
322 printf("Usage: lppause <printername> <jobid>\n");
323 return 1;
324 }
325
326 printer = argv[1];
327 jobid = atoi(argv[2]);
328
329 get_job_list(printer, &job_list, &num_jobs);
330
331 for (i = 0; i < num_jobs; i++) {
332 if (job_list[i].jobid == jobid) {
333 job_list[i].status = LPQ_PAUSED;
334 set_job_list(printer, job_list, num_jobs);
335 return 0;
336 }
337 }
338
339 return 1;
340}
341
342/* Resume a job */
343
344static int lpresume_command(int argc, char **argv)
345{
346 struct vlp_job *job_list;
347 char *printer;
348 int jobid, num_jobs, i;
349
350 if (argc != 3) {
351 printf("Usage: lpresume <printername> <jobid>\n");
352 return 1;
353 }
354
355 printer = argv[1];
356 jobid = atoi(argv[2]);
357
358 get_job_list(printer, &job_list, &num_jobs);
359
360 for (i = 0; i < num_jobs; i++) {
361 if (job_list[i].jobid == jobid) {
362 job_list[i].status = LPQ_QUEUED;
363 set_job_list(printer, job_list, num_jobs);
364 return 0;
365 }
366 }
367
368 return 1;
369}
370
371int main(int argc, char **argv)
372{
373 /* Parameter check */
374
375 if (argc == 1) {
376 usage();
377 return 1;
378 }
379
380 /* Initialise */
381
382 if (!(tdb = tdb_open(PRINT_TDB, 0, 0, O_RDWR | O_CREAT,
383 0666))) {
384 printf("%s: unable to open %s\n", argv[0], PRINT_TDB);
385 return 1;
386 }
387
388 /* Ensure we are modes 666 */
389
390 chmod(PRINT_TDB, 0666);
391
392 /* Do commands */
393
394 if (strcmp(argv[1], "lpq") == 0) {
395 return lpq_command(argc - 1, &argv[1]);
396 }
397
398 if (strcmp(argv[1], "lprm") == 0) {
399 return lprm_command(argc - 1, &argv[1]);
400 }
401
402 if (strcmp(argv[1], "print") == 0) {
403 return print_command(argc - 1, &argv[1]);
404 }
405
406 if (strcmp(argv[1], "queuepause") == 0) {
407 return queuepause_command(argc - 1, &argv[1]);
408 }
409
410 if (strcmp(argv[1], "queueresume") == 0) {
411 return queueresume_command(argc - 1, &argv[1]);
412 }
413
414 if (strcmp(argv[1], "lppause") == 0) {
415 return lppause_command(argc - 1, &argv[1]);
416 }
417
418 if (strcmp(argv[1], "lpresume") == 0) {
419 return lpresume_command(argc - 1, &argv[1]);
420 }
421
422 /* Unknown command */
423
424 printf("%s: invalid command %s\n", argv[0], argv[1]);
425 return 1;
426}
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