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bf6409d1 | 1 | /* |
2 | * "$Id$" | |
3 | * | |
4 | * Subscription routines for the Common UNIX Printing System (CUPS) scheduler. | |
5 | * | |
6 | * Copyright 1997-2005 by Easy Software Products, all rights reserved. | |
7 | * | |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * Contents: | |
25 | * | |
26 | * cupsdAddEvent() - Add an event to the global event cache. | |
27 | * cupsdAddSubscription() - Add a new subscription object. | |
28 | * cupsdDeleteAllEvents() - Delete all cached events. | |
29 | * cupsdDeleteAllSubscriptions() - Delete all subscriptions. | |
30 | * cupsdDeleteSubscription() - Delete a subscription object. | |
31 | * cupsdFindSubscription() - Find a subscription by ID. | |
32 | * cupsdExpireSubscriptions() - Expire old subscription objects. | |
33 | * cupsdLoadAllSubscriptions() - Load all subscriptions from the .conf file. | |
34 | * cupsdSaveAllSubscriptions() - Save all subscriptions to the .conf file. | |
35 | * cupsdSendNotification() - Send a notification for the specified event. | |
ddd3933d | 36 | * cupsdStopAllNotifiers() - Stop all notifier processes. |
fd0624de | 37 | * cupsdUpdateNotifierStatus() - Read messages from notifiers. |
38 | * cupsd_delete_event() - Delete a single event... | |
bf6409d1 | 39 | */ |
40 | ||
41 | /* | |
42 | * Include necessary headers... | |
43 | */ | |
44 | ||
45 | #include "cupsd.h" | |
46 | ||
47 | ||
48 | /* | |
49 | * Local functions... | |
50 | */ | |
51 | ||
52 | static void cupsd_delete_event(cupsd_event_t *event); | |
53 | ||
54 | ||
55 | /* | |
56 | * 'cupsdAddEvent()' - Add an event to the global event cache. | |
57 | */ | |
58 | ||
59 | void | |
60 | cupsdAddEvent( | |
61 | cupsd_eventmask_t event, /* I - Event */ | |
62 | printer_t *dest, /* I - Printer associated with event */ | |
63 | job_t *job, /* I - Job associated with event */ | |
64 | const char *text, /* I - Notification text */ | |
65 | ...) /* I - Additional arguments as needed */ | |
66 | { | |
67 | va_list ap; /* Pointer to additional arguments */ | |
68 | char ftext[1024]; /* Formatted text buffer */ | |
69 | cupsd_event_t *temp; /* New event pointer */ | |
70 | int i; /* Looping var */ | |
71 | cupsd_subscription_t *sub; /* Current subscription */ | |
72 | ||
73 | ||
74 | /* | |
75 | * Return if we aren't keeping events... | |
76 | */ | |
77 | ||
78 | if (MaxEvents <= 0) | |
79 | { | |
80 | LogMessage(L_WARN, "cupsdAddEvent: Discarding %s event since MaxEvents is %d!", | |
81 | cupsdEventName(event), MaxEvents); | |
82 | return; | |
83 | } | |
84 | ||
85 | /* | |
86 | * Allocate memory for the event cache as needed... | |
87 | */ | |
88 | ||
89 | if (!Events) | |
90 | { | |
91 | Events = calloc(MaxEvents, sizeof(cupsd_event_t *)); | |
92 | NumEvents = 0; | |
93 | ||
94 | if (!Events) | |
95 | { | |
96 | LogMessage(L_CRIT, "Unable to allocate memory for event cache - %s", | |
97 | strerror(errno)); | |
98 | return; | |
99 | } | |
100 | } | |
101 | ||
102 | /* | |
103 | * Then loop through the subscriptions and add the event to the corresponding | |
104 | * caches... | |
105 | */ | |
106 | ||
107 | for (i = 0, temp = NULL; i < NumSubscriptions; i ++) | |
108 | { | |
109 | /* | |
110 | * Check if this subscription requires this event... | |
111 | */ | |
112 | ||
113 | sub = Subscriptions[i]; | |
114 | ||
115 | if ((sub->mask & event) != 0 && | |
116 | (sub->dest == dest || !sub->dest) && | |
117 | (sub->job == job || !sub->job)) | |
118 | { | |
119 | /* | |
120 | * Need this event... | |
121 | */ | |
122 | ||
123 | if (!temp) | |
124 | { | |
125 | /* | |
126 | * Create the new event record... | |
127 | */ | |
128 | ||
129 | if ((temp = (cupsd_event_t *)calloc(1, sizeof(cupsd_event_t))) == NULL) | |
130 | { | |
131 | LogMessage(L_CRIT, "Unable to allocate memory for event - %s", | |
132 | strerror(errno)); | |
133 | return; | |
134 | } | |
135 | ||
136 | temp->event = event; | |
137 | temp->time = time(NULL); | |
138 | temp->attrs = ippNew(); | |
139 | temp->job = job; | |
140 | temp->dest = dest; | |
141 | ||
556f5ea5 | 142 | /* |
143 | * Add common event notification attributes... | |
144 | */ | |
145 | ||
bf6409d1 | 146 | ippAddInteger(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_INTEGER, |
147 | "notify-subscription-id", sub->id); | |
148 | ||
149 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_KEYWORD, | |
150 | "notify-subscribed-event", NULL, cupsdEventName(event)); | |
151 | ||
152 | ippAddInteger(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_INTEGER, | |
153 | "printer-up-time", time(NULL)); | |
154 | ||
155 | va_start(ap, text); | |
156 | vsnprintf(ftext, sizeof(ftext), text, ap); | |
157 | va_end(ap); | |
158 | ||
159 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_KEYWORD, | |
160 | "notify-text", NULL, ftext); | |
161 | ||
162 | if (dest) | |
163 | { | |
556f5ea5 | 164 | /* |
165 | * Add printer attributes... | |
166 | */ | |
167 | ||
bf6409d1 | 168 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_URI, |
169 | "notify-printer-uri", NULL, dest->uri); | |
170 | ||
171 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_NAME, | |
172 | "printer-name", NULL, dest->name); | |
173 | ||
174 | ippAddInteger(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_ENUM, | |
175 | "printer-state", dest->state); | |
176 | ||
177 | if (dest->num_reasons == 0) | |
178 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
179 | IPP_TAG_KEYWORD, "printer-state-reasons", NULL, | |
180 | dest->state == IPP_PRINTER_STOPPED ? "paused" : "none"); | |
181 | else | |
182 | ippAddStrings(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
183 | IPP_TAG_KEYWORD, "printer-state-reasons", | |
184 | dest->num_reasons, NULL, | |
185 | (const char * const *)dest->reasons); | |
186 | ||
187 | ippAddBoolean(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
188 | "printer-is-accepting-jobs", dest->accepting); | |
189 | } | |
190 | ||
191 | if (job) | |
192 | { | |
556f5ea5 | 193 | /* |
194 | * Add job attributes... | |
195 | */ | |
196 | ||
bf6409d1 | 197 | ippAddInteger(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_INTEGER, |
198 | "job-id", job->id); | |
199 | ippAddInteger(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_ENUM, | |
200 | "job-state", (int)job->state); | |
201 | ||
202 | switch (job->state->values[0].integer) | |
203 | { | |
204 | case IPP_JOB_PENDING : | |
205 | if (dest && dest->state == IPP_PRINTER_STOPPED) | |
206 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
207 | IPP_TAG_KEYWORD, "job-state-reasons", NULL, | |
208 | "printer-stopped"); | |
209 | else | |
210 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
211 | IPP_TAG_KEYWORD, "job-state-reasons", NULL, | |
212 | "none"); | |
213 | break; | |
214 | ||
215 | case IPP_JOB_HELD : | |
216 | if (ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_KEYWORD) != NULL || | |
217 | ippFindAttribute(job->attrs, "job-hold-until", IPP_TAG_NAME) != NULL) | |
218 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
219 | IPP_TAG_KEYWORD, "job-state-reasons", NULL, | |
220 | "job-hold-until-specified"); | |
221 | else | |
222 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
223 | IPP_TAG_KEYWORD, "job-state-reasons", NULL, | |
224 | "job-incoming"); | |
225 | break; | |
226 | ||
227 | case IPP_JOB_PROCESSING : | |
228 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
229 | IPP_TAG_KEYWORD, "job-state-reasons", NULL, | |
230 | "job-printing"); | |
231 | break; | |
232 | ||
233 | case IPP_JOB_STOPPED : | |
234 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
235 | IPP_TAG_KEYWORD, "job-state-reasons", NULL, | |
236 | "job-stopped"); | |
237 | break; | |
238 | ||
239 | case IPP_JOB_CANCELLED : | |
240 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
241 | IPP_TAG_KEYWORD, "job-state-reasons", NULL, | |
242 | "job-canceled-by-user"); | |
243 | break; | |
244 | ||
245 | case IPP_JOB_ABORTED : | |
246 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
247 | IPP_TAG_KEYWORD, "job-state-reasons", NULL, | |
248 | "aborted-by-system"); | |
249 | break; | |
250 | ||
251 | case IPP_JOB_COMPLETED : | |
252 | ippAddString(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, | |
253 | IPP_TAG_KEYWORD, "job-state-reasons", NULL, | |
254 | "job-completed-successfully"); | |
255 | break; | |
256 | } | |
257 | ||
258 | ippAddInteger(temp->attrs, IPP_TAG_EVENT_NOTIFICATION, IPP_TAG_INTEGER, | |
259 | "job-impressions-completed", | |
260 | job->sheets ? job->sheets->values[0].integer : 0); | |
261 | } | |
262 | ||
263 | /* | |
264 | * Purge an old event as needed... | |
265 | */ | |
266 | ||
267 | if (NumEvents >= MaxEvents) | |
268 | { | |
269 | /* | |
270 | * Purge the oldest event in the cache... | |
271 | */ | |
272 | ||
273 | cupsd_delete_event(Events[0]); | |
274 | ||
275 | NumEvents --; | |
276 | ||
277 | memmove(Events, Events + 1, NumEvents * sizeof(cupsd_event_t *)); | |
278 | } | |
279 | ||
280 | /* | |
281 | * Add the new event to the main cache... | |
282 | */ | |
283 | ||
284 | Events[NumEvents] = temp; | |
285 | NumEvents ++; | |
286 | } | |
287 | ||
288 | /* | |
289 | * Send the notification for this subscription... | |
290 | */ | |
291 | ||
292 | cupsdSendNotification(sub, temp); | |
293 | } | |
294 | } | |
295 | ||
296 | if (temp) | |
297 | cupsdSaveAllSubscriptions(); | |
298 | else | |
556f5ea5 | 299 | LogMessage(L_DEBUG, "Discarding unused %s event...", |
bf6409d1 | 300 | cupsdEventName(event)); |
301 | } | |
302 | ||
303 | ||
304 | /* | |
305 | * 'cupsdAddSubscription()' - Add a new subscription object. | |
306 | */ | |
307 | ||
308 | cupsd_subscription_t * /* O - New subscription object */ | |
309 | cupsdAddSubscription( | |
310 | unsigned mask, /* I - Event mask */ | |
311 | printer_t *dest, /* I - Printer, if any */ | |
312 | job_t *job, /* I - Job, if any */ | |
313 | const char *uri) /* I - notify-recipient-uri, if any */ | |
314 | { | |
315 | cupsd_subscription_t *temp; /* New subscription object */ | |
316 | ||
317 | ||
277a6a9b | 318 | LogMessage(L_DEBUG, "cupsdAddSubscription(mask=%x(%s), dest=%p(%s), job=%p(%d), uri=\"%s\")", |
319 | mask, cupsdEventName(mask), dest, dest ? dest->name : "", | |
320 | job, job ? job->id : 0, uri); | |
321 | ||
bf6409d1 | 322 | if (!Subscriptions) |
323 | { | |
324 | /* | |
325 | * Allocate memory for the subscription array... | |
326 | */ | |
327 | ||
328 | Subscriptions = calloc(MaxSubscriptions, sizeof(cupsd_subscription_t *)); | |
329 | NumSubscriptions = 0; | |
330 | ||
331 | if (!Subscriptions) | |
332 | { | |
333 | LogMessage(L_CRIT, "Unable to allocate memory for subscriptions - %s", | |
334 | strerror(errno)); | |
335 | return (NULL); | |
336 | } | |
337 | } | |
338 | ||
339 | /* | |
340 | * Limit the number of subscriptions... | |
341 | */ | |
342 | ||
343 | if (NumSubscriptions >= MaxSubscriptions) | |
344 | return (NULL); | |
345 | ||
346 | /* | |
347 | * Allocate memory for this subscription... | |
348 | */ | |
349 | ||
350 | if ((temp = calloc(1, sizeof(cupsd_subscription_t))) == NULL) | |
351 | { | |
352 | LogMessage(L_CRIT, "Unable to allocate memory for subscription object - %s", | |
353 | strerror(errno)); | |
354 | return (NULL); | |
355 | } | |
356 | ||
357 | /* | |
358 | * Fill in common data... | |
359 | */ | |
360 | ||
361 | temp->id = NextSubscriptionId; | |
362 | temp->mask = mask; | |
363 | temp->job = job; | |
364 | temp->dest = dest; | |
365 | temp->first_event_id = 1; | |
366 | temp->next_event_id = 1; | |
367 | ||
368 | SetString(&(temp->recipient), uri); | |
369 | ||
370 | /* | |
371 | * Add the subscription to the array... | |
372 | */ | |
373 | ||
374 | Subscriptions[NumSubscriptions] = temp; | |
375 | NumSubscriptions ++; | |
376 | NextSubscriptionId ++; | |
377 | ||
378 | return (temp); | |
379 | } | |
380 | ||
381 | ||
382 | /* | |
383 | * 'cupsdDeleteAllEvents()' - Delete all cached events. | |
384 | */ | |
385 | ||
386 | void | |
387 | cupsdDeleteAllEvents(void) | |
388 | { | |
389 | int i; /* Looping var */ | |
390 | ||
391 | ||
392 | if (MaxEvents <= 0 || !Events) | |
393 | return; | |
394 | ||
395 | for (i = 0; i < NumEvents; i ++) | |
396 | cupsd_delete_event(Events[i]); | |
397 | ||
398 | free(Events); | |
399 | Events = NULL; | |
400 | } | |
401 | ||
402 | ||
403 | /* | |
404 | * 'cupsdDeleteAllSubscriptions()' - Delete all subscriptions. | |
405 | */ | |
406 | ||
407 | void | |
408 | cupsdDeleteAllSubscriptions(void) | |
409 | { | |
410 | int i; /* Looping var */ | |
411 | ||
412 | ||
413 | if (!Subscriptions) | |
414 | return; | |
415 | ||
416 | for (i = 0; i < NumSubscriptions; i ++) | |
417 | cupsdDeleteSubscription(Subscriptions[i], 0); | |
418 | ||
419 | free(Subscriptions); | |
420 | Subscriptions = NULL; | |
421 | } | |
422 | ||
423 | ||
424 | /* | |
425 | * 'cupsdDeleteSubscription()' - Delete a subscription object. | |
426 | */ | |
427 | ||
428 | void | |
429 | cupsdDeleteSubscription( | |
430 | cupsd_subscription_t *sub, /* I - Subscription object */ | |
431 | int update) /* I - 1 = update subscriptions.conf */ | |
432 | { | |
433 | int i; /* Looping var */ | |
434 | ||
435 | ||
436 | /* | |
437 | * Free memory... | |
438 | */ | |
439 | ||
fd0624de | 440 | ClearString(&(sub->owner)); |
441 | ClearString(&(sub->recipient)); | |
bf6409d1 | 442 | |
443 | if (sub->events) | |
444 | free(sub->events); | |
445 | ||
446 | free(sub); | |
447 | ||
448 | /* | |
449 | * Remove subscription from array... | |
450 | */ | |
451 | ||
452 | for (i = 0; i < NumSubscriptions; i ++) | |
453 | if (Subscriptions[i] == sub) | |
454 | { | |
455 | /* | |
456 | * Remove from array and stop... | |
457 | */ | |
458 | ||
459 | NumSubscriptions --; | |
460 | ||
461 | if (i < NumSubscriptions) | |
462 | memmove(Subscriptions + i, Subscriptions + i + 1, | |
463 | (NumSubscriptions - i) * sizeof(cupsd_subscription_t *)); | |
464 | break; | |
465 | } | |
466 | ||
467 | /* | |
468 | * Update the subscriptions as needed... | |
469 | */ | |
470 | ||
471 | if (update) | |
472 | cupsdSaveAllSubscriptions(); | |
473 | } | |
474 | ||
475 | ||
476 | /* | |
477 | * 'cupsdEventName()' - Return a single event name. | |
478 | */ | |
479 | ||
480 | const char * /* O - Event name */ | |
481 | cupsdEventName( | |
482 | cupsd_eventmask_t event) /* I - Event value */ | |
483 | { | |
484 | switch (event) | |
485 | { | |
486 | default : | |
487 | return (NULL); | |
488 | ||
489 | case CUPSD_EVENT_PRINTER_RESTARTED : | |
490 | return ("printer-restarted"); | |
491 | ||
492 | case CUPSD_EVENT_PRINTER_SHUTDOWN : | |
493 | return ("printer-shutdown"); | |
494 | ||
495 | case CUPSD_EVENT_PRINTER_STOPPED : | |
496 | return ("printer-stopped"); | |
497 | ||
498 | case CUPSD_EVENT_PRINTER_FINISHINGS_CHANGED : | |
499 | return ("printer-finishings-changed"); | |
500 | ||
501 | case CUPSD_EVENT_PRINTER_MEDIA_CHANGED : | |
502 | return ("printer-media-changed"); | |
503 | ||
504 | case CUPSD_EVENT_PRINTER_ADDED : | |
505 | return ("printer-added"); | |
506 | ||
507 | case CUPSD_EVENT_PRINTER_DELETED : | |
508 | return ("printer-deleted"); | |
509 | ||
510 | case CUPSD_EVENT_PRINTER_MODIFIED : | |
511 | return ("printer-modified"); | |
512 | ||
513 | case CUPSD_EVENT_PRINTER_STATE_CHANGED : | |
514 | return ("printer-state-changed"); | |
515 | ||
516 | case CUPSD_EVENT_PRINTER_CONFIG_CHANGED : | |
517 | return ("printer-config-changed"); | |
518 | ||
519 | case CUPSD_EVENT_PRINTER_CHANGED : | |
520 | return ("printer-changed"); | |
521 | ||
522 | case CUPSD_EVENT_JOB_CREATED : | |
523 | return ("job-created"); | |
524 | ||
525 | case CUPSD_EVENT_JOB_COMPLETED : | |
526 | return ("job-completed"); | |
527 | ||
528 | case CUPSD_EVENT_JOB_STOPPED : | |
529 | return ("job-stopped"); | |
530 | ||
531 | case CUPSD_EVENT_JOB_CONFIG_CHANGED : | |
532 | return ("job-config-changed"); | |
533 | ||
534 | case CUPSD_EVENT_JOB_PROGRESS : | |
535 | return ("job-progress"); | |
536 | ||
537 | case CUPSD_EVENT_JOB_STATE_CHANGED : | |
538 | return ("job-state-changed"); | |
539 | ||
540 | case CUPSD_EVENT_SERVER_RESTARTED : | |
541 | return ("server-restarted"); | |
542 | ||
543 | case CUPSD_EVENT_SERVER_STARTED : | |
544 | return ("server-started"); | |
545 | ||
546 | case CUPSD_EVENT_SERVER_STOPPED : | |
547 | return ("server-stopped"); | |
548 | ||
549 | case CUPSD_EVENT_SERVER_AUDIT : | |
550 | return ("server-audit"); | |
551 | ||
552 | case CUPSD_EVENT_ALL : | |
553 | return ("all"); | |
554 | } | |
555 | } | |
556 | ||
557 | ||
558 | /* | |
559 | * 'cupsdEventValue()' - Return the event mask value for a name. | |
560 | */ | |
561 | ||
562 | cupsd_eventmask_t /* O - Event mask value */ | |
563 | cupsdEventValue(const char *name) /* I - Name of event */ | |
564 | { | |
565 | if (!strcmp(name, "all")) | |
566 | return (CUPSD_EVENT_ALL); | |
567 | else if (!strcmp(name, "printer-restarted")) | |
568 | return (CUPSD_EVENT_PRINTER_RESTARTED); | |
569 | else if (!strcmp(name, "printer-shutdown")) | |
570 | return (CUPSD_EVENT_PRINTER_SHUTDOWN); | |
571 | else if (!strcmp(name, "printer-stopped")) | |
572 | return (CUPSD_EVENT_PRINTER_STOPPED); | |
573 | else if (!strcmp(name, "printer-finishings-changed")) | |
574 | return (CUPSD_EVENT_PRINTER_FINISHINGS_CHANGED); | |
575 | else if (!strcmp(name, "printer-media-changed")) | |
576 | return (CUPSD_EVENT_PRINTER_MEDIA_CHANGED); | |
577 | else if (!strcmp(name, "printer-added")) | |
578 | return (CUPSD_EVENT_PRINTER_ADDED); | |
579 | else if (!strcmp(name, "printer-deleted")) | |
580 | return (CUPSD_EVENT_PRINTER_DELETED); | |
581 | else if (!strcmp(name, "printer-modified")) | |
582 | return (CUPSD_EVENT_PRINTER_MODIFIED); | |
583 | else if (!strcmp(name, "printer-state-changed")) | |
584 | return (CUPSD_EVENT_PRINTER_STATE_CHANGED); | |
585 | else if (!strcmp(name, "printer-config-changed")) | |
586 | return (CUPSD_EVENT_PRINTER_CONFIG_CHANGED); | |
587 | else if (!strcmp(name, "printer-changed")) | |
588 | return (CUPSD_EVENT_PRINTER_CHANGED); | |
589 | else if (!strcmp(name, "job-created")) | |
590 | return (CUPSD_EVENT_JOB_CREATED); | |
591 | else if (!strcmp(name, "job-completed")) | |
592 | return (CUPSD_EVENT_JOB_COMPLETED); | |
593 | else if (!strcmp(name, "job-stopped")) | |
594 | return (CUPSD_EVENT_JOB_STOPPED); | |
595 | else if (!strcmp(name, "job-config-changed")) | |
596 | return (CUPSD_EVENT_JOB_CONFIG_CHANGED); | |
597 | else if (!strcmp(name, "job-progress")) | |
598 | return (CUPSD_EVENT_JOB_PROGRESS); | |
599 | else if (!strcmp(name, "job-state-changed")) | |
600 | return (CUPSD_EVENT_JOB_STATE_CHANGED); | |
601 | else if (!strcmp(name, "server-restarted")) | |
602 | return (CUPSD_EVENT_SERVER_RESTARTED); | |
603 | else if (!strcmp(name, "server-started")) | |
604 | return (CUPSD_EVENT_SERVER_STARTED); | |
605 | else if (!strcmp(name, "server-stopped")) | |
606 | return (CUPSD_EVENT_SERVER_STOPPED); | |
607 | else if (!strcmp(name, "server-audit")) | |
608 | return (CUPSD_EVENT_SERVER_AUDIT); | |
609 | else | |
610 | return (CUPSD_EVENT_NONE); | |
611 | } | |
612 | ||
613 | ||
614 | /* | |
615 | * 'cupsdExpireSubscriptions()' - Expire old subscription objects. | |
616 | */ | |
617 | ||
618 | void | |
619 | cupsdExpireSubscriptions( | |
620 | printer_t *dest, /* I - Printer, if any */ | |
621 | job_t *job) /* I - Job, if any */ | |
622 | { | |
623 | int i; /* Looping var */ | |
624 | cupsd_subscription_t *sub; /* Current subscription */ | |
625 | int update; /* Update subscriptions.conf? */ | |
626 | time_t curtime; /* Current time */ | |
627 | ||
628 | ||
629 | curtime = time(NULL); | |
630 | ||
631 | for (i = 0, update = 0; i < NumSubscriptions; i ++) | |
632 | { | |
633 | sub = Subscriptions[i]; | |
634 | ||
635 | if (sub->expire <= curtime || | |
636 | (dest && sub->dest == dest) || | |
637 | (job && sub->job == job)) | |
638 | { | |
639 | LogMessage(L_INFO, "Subscription %d has expired...", sub->id); | |
640 | ||
641 | cupsdDeleteSubscription(sub, 0); | |
642 | ||
643 | update = 1; | |
644 | } | |
645 | } | |
646 | ||
647 | if (update) | |
648 | cupsdSaveAllSubscriptions(); | |
649 | } | |
650 | ||
651 | ||
652 | /* | |
653 | * 'cupsdFindSubscription()' - Find a subscription by ID. | |
654 | */ | |
655 | ||
656 | cupsd_subscription_t * /* O - Subscription object */ | |
657 | cupsdFindSubscription(int id) /* I - Subscription ID */ | |
658 | { | |
659 | int left, /* Left side of binary search */ | |
660 | center, /* Center of binary search */ | |
661 | right; /* Right side of binary search */ | |
662 | cupsd_subscription_t *sub; /* Current subscription */ | |
663 | ||
664 | ||
665 | /* | |
666 | * Return early if we have no subscriptions... | |
667 | */ | |
668 | ||
669 | if (NumSubscriptions == 0) | |
670 | return (NULL); | |
671 | ||
672 | /* | |
673 | * Otherwise do a binary search for the subscription ID... | |
674 | */ | |
675 | ||
676 | for (left = 0, right = NumSubscriptions - 1; (right - left) > 1;) | |
677 | { | |
678 | center = (left + right) / 2; | |
679 | sub = Subscriptions[center]; | |
680 | ||
681 | if (sub->id == id) | |
682 | return (sub); | |
683 | else if (sub->id < id) | |
684 | left = center; | |
685 | else | |
686 | right = center; | |
687 | } | |
688 | ||
689 | if (Subscriptions[left]->id == id) | |
690 | return (Subscriptions[left]); | |
691 | else if (Subscriptions[right]->id == id) | |
692 | return (Subscriptions[right]); | |
693 | else | |
694 | return (NULL); | |
695 | } | |
696 | ||
697 | ||
698 | /* | |
699 | * 'cupsdLoadAllSubscriptions()' - Load all subscriptions from the .conf file. | |
700 | */ | |
701 | ||
702 | void | |
703 | cupsdLoadAllSubscriptions(void) | |
704 | { | |
a4b3db80 | 705 | int i; /* Looping var */ |
4a1c4581 | 706 | cups_file_t *fp; /* subscriptions.conf file */ |
707 | int linenum; /* Current line number */ | |
4a1c4581 | 708 | char line[1024], /* Line from file */ |
709 | name[256], /* Parameter name */ | |
4a1c4581 | 710 | *value, /* Pointer to value */ |
711 | *valueptr; /* Pointer into value */ | |
712 | cupsd_subscription_t *sub; /* Current subscription */ | |
713 | int hex; /* Non-zero if reading hex data */ | |
a4b3db80 | 714 | int delete_sub; /* Delete subscription? */ |
4a1c4581 | 715 | |
716 | ||
717 | /* | |
718 | * Open the subscriptions.conf file... | |
719 | */ | |
720 | ||
721 | snprintf(line, sizeof(line), "%s/subscriptions.conf", ServerRoot); | |
722 | if ((fp = cupsFileOpen(line, "r")) == NULL) | |
723 | { | |
724 | LogMessage(L_ERROR, "LoadAllSubscriptions: Unable to open %s - %s", line, | |
725 | strerror(errno)); | |
726 | return; | |
727 | } | |
728 | ||
729 | /* | |
730 | * Read all of the lines from the file... | |
731 | */ | |
732 | ||
a4b3db80 | 733 | linenum = 0; |
734 | sub = NULL; | |
735 | delete_sub = 0; | |
4a1c4581 | 736 | |
737 | while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum)) | |
738 | { | |
a4b3db80 | 739 | if (!strcasecmp(name, "<Subscription")) |
740 | { | |
741 | /* | |
742 | * <Subscription #> | |
743 | */ | |
744 | ||
745 | if (!sub && value && isdigit(value[0] & 255)) | |
746 | { | |
747 | sub = cupsdAddSubscription(CUPSD_EVENT_NONE, NULL, NULL, NULL); | |
748 | sub->id = atoi(value); | |
749 | } | |
750 | else | |
751 | { | |
752 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
753 | linenum); | |
754 | return; | |
755 | } | |
756 | } | |
757 | else if (!strcasecmp(name, "</Subscription>")) | |
758 | { | |
759 | if (!sub) | |
760 | { | |
761 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
762 | linenum); | |
763 | return; | |
764 | } | |
765 | ||
766 | if (delete_sub) | |
767 | cupsdDeleteSubscription(sub, 0); | |
768 | ||
769 | sub = NULL; | |
770 | delete_sub = 0; | |
771 | } | |
772 | else if (!sub) | |
773 | { | |
774 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
775 | linenum); | |
776 | return; | |
777 | } | |
778 | else if (!strcasecmp(name, "Events")) | |
779 | { | |
780 | /* | |
781 | * Events name | |
782 | * Events name name name ... | |
783 | */ | |
784 | ||
785 | if (!value) | |
786 | { | |
787 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
788 | linenum); | |
789 | return; | |
790 | } | |
791 | ||
792 | while (*value) | |
793 | { | |
794 | /* | |
795 | * Separate event names... | |
796 | */ | |
797 | ||
798 | for (valueptr = value; !isspace(*valueptr) && *valueptr; valueptr ++); | |
799 | ||
800 | while (isspace(*valueptr & 255)) | |
801 | *valueptr++ = '\0'; | |
802 | ||
803 | /* | |
804 | * See if the name exists... | |
805 | */ | |
806 | ||
807 | if ((sub->mask |= cupsdEventValue(value)) == CUPSD_EVENT_NONE) | |
808 | { | |
809 | LogMessage(L_ERROR, "Unknown event name \'%s\' on line %d of subscriptions.conf.", | |
810 | value, linenum); | |
811 | return; | |
812 | } | |
813 | ||
814 | value = valueptr; | |
815 | } | |
816 | } | |
fd0624de | 817 | else if (!strcasecmp(name, "Owner")) |
818 | { | |
819 | /* | |
820 | * Owner | |
821 | */ | |
822 | ||
823 | if (value) | |
824 | SetString(&sub->owner, value); | |
825 | else | |
826 | { | |
827 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
828 | linenum); | |
829 | return; | |
830 | } | |
831 | } | |
a4b3db80 | 832 | else if (!strcasecmp(name, "Recipient")) |
833 | { | |
834 | /* | |
835 | * Recipient uri | |
836 | */ | |
837 | ||
838 | if (value) | |
839 | SetString(&sub->recipient, value); | |
840 | else | |
841 | { | |
842 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
843 | linenum); | |
844 | return; | |
845 | } | |
846 | } | |
847 | else if (!strcasecmp(name, "JobId")) | |
848 | { | |
849 | /* | |
850 | * JobId # | |
851 | */ | |
852 | ||
853 | if (value && isdigit(*value & 255)) | |
854 | { | |
855 | if ((sub->job = FindJob(atoi(value))) == NULL) | |
856 | { | |
857 | LogMessage(L_ERROR, "Job %s not found on line %d of subscriptions.conf.", | |
858 | value, linenum); | |
859 | delete_sub = 1; | |
860 | } | |
861 | } | |
862 | else | |
863 | { | |
864 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
865 | linenum); | |
866 | return; | |
867 | } | |
868 | } | |
869 | else if (!strcasecmp(name, "PrinterName")) | |
870 | { | |
871 | /* | |
872 | * PrinterName name | |
873 | */ | |
874 | ||
875 | if (value) | |
876 | { | |
877 | if ((sub->dest = FindDest(value)) == NULL) | |
878 | { | |
879 | LogMessage(L_ERROR, "Printer \'%s\' not found on line %d of subscriptions.conf.", | |
880 | value, linenum); | |
881 | delete_sub = 1; | |
882 | } | |
883 | } | |
884 | else | |
885 | { | |
886 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
887 | linenum); | |
888 | return; | |
889 | } | |
890 | } | |
891 | else if (!strcasecmp(name, "UserData")) | |
892 | { | |
893 | /* | |
894 | * UserData encoded-string | |
895 | */ | |
896 | ||
897 | if (value) | |
898 | { | |
899 | for (i = 0, valueptr = value, hex = 0; i < 63 && *valueptr; i ++) | |
900 | { | |
901 | if (*valueptr == '<' && !hex) | |
902 | { | |
903 | hex = 1; | |
904 | valueptr ++; | |
905 | } | |
906 | ||
907 | if (hex) | |
908 | { | |
909 | if (isxdigit(valueptr[0]) && isxdigit(valueptr[1])) | |
910 | { | |
911 | if (isdigit(valueptr[0])) | |
912 | sub->user_data[i] = (valueptr[0] - '0') << 4; | |
913 | else | |
914 | sub->user_data[i] = (tolower(valueptr[0]) - 'a' + 10) << 4; | |
915 | ||
916 | if (isdigit(valueptr[1])) | |
917 | sub->user_data[i] |= valueptr[1] - '0'; | |
918 | else | |
919 | sub->user_data[i] |= tolower(valueptr[1]) - 'a' + 10; | |
920 | ||
921 | valueptr += 2; | |
922 | ||
923 | if (*valueptr == '>') | |
924 | { | |
925 | hex = 0; | |
926 | valueptr ++; | |
927 | } | |
928 | } | |
929 | else | |
930 | break; | |
931 | } | |
932 | else | |
933 | sub->user_data[i] = *valueptr++; | |
934 | } | |
935 | ||
936 | if (*valueptr) | |
937 | { | |
938 | LogMessage(L_ERROR, "Bad UserData \'%s\' on line %d of subscriptions.conf.", | |
939 | value, linenum); | |
940 | } | |
941 | else | |
942 | sub->user_data_len = i; | |
943 | } | |
944 | else | |
945 | { | |
946 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
947 | linenum); | |
948 | return; | |
949 | } | |
950 | } | |
951 | else if (!strcasecmp(name, "LeaseTime")) | |
952 | { | |
953 | /* | |
954 | * LeaseTime # | |
955 | */ | |
956 | ||
957 | if (value && isdigit(*value & 255)) | |
958 | sub->lease = atoi(value); | |
959 | else | |
960 | { | |
961 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
962 | linenum); | |
963 | return; | |
964 | } | |
965 | } | |
966 | else if (!strcasecmp(name, "Interval")) | |
967 | { | |
968 | /* | |
969 | * Interval # | |
970 | */ | |
971 | ||
972 | if (value && isdigit(*value & 255)) | |
973 | sub->interval = atoi(value); | |
974 | else | |
975 | { | |
976 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
977 | linenum); | |
978 | return; | |
979 | } | |
980 | } | |
981 | else if (!strcasecmp(name, "ExpirationTime")) | |
982 | { | |
983 | /* | |
984 | * ExpirationTime # | |
985 | */ | |
986 | ||
987 | if (value && isdigit(*value & 255)) | |
988 | sub->expire = atoi(value); | |
989 | else | |
990 | { | |
991 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
992 | linenum); | |
993 | return; | |
994 | } | |
995 | } | |
996 | else if (!strcasecmp(name, "NextEventId")) | |
997 | { | |
998 | /* | |
999 | * NextEventId # | |
1000 | */ | |
1001 | ||
1002 | if (value && isdigit(*value & 255)) | |
1003 | sub->next_event_id = sub->first_event_id = atoi(value); | |
1004 | else | |
1005 | { | |
1006 | LogMessage(L_ERROR, "Syntax error on line %d of subscriptions.conf.", | |
1007 | linenum); | |
1008 | return; | |
1009 | } | |
1010 | } | |
1011 | else | |
1012 | { | |
1013 | /* | |
1014 | * Something else we don't understand... | |
1015 | */ | |
1016 | ||
1017 | LogMessage(L_ERROR, "Unknown configuration directive %s on line %d of subscriptions.conf.", | |
1018 | name, linenum); | |
1019 | } | |
4a1c4581 | 1020 | } |
1021 | ||
1022 | cupsFileClose(fp); | |
bf6409d1 | 1023 | } |
1024 | ||
1025 | ||
1026 | /* | |
1027 | * 'cupsdSaveAllSubscriptions()' - Save all subscriptions to the .conf file. | |
1028 | */ | |
1029 | ||
1030 | void | |
1031 | cupsdSaveAllSubscriptions(void) | |
1032 | { | |
4a1c4581 | 1033 | int i, j; /* Looping vars */ |
bf6409d1 | 1034 | cups_file_t *fp; /* subscriptions.conf file */ |
1035 | char temp[1024]; /* Temporary string */ | |
1036 | char backup[1024]; /* subscriptions.conf.O file */ | |
1037 | cupsd_subscription_t *sub; /* Current subscription */ | |
1038 | time_t curtime; /* Current time */ | |
1039 | struct tm *curdate; /* Current date */ | |
1040 | unsigned mask; /* Current event mask */ | |
1041 | const char *name; /* Current event name */ | |
4a1c4581 | 1042 | int hex; /* Non-zero if we are writing hex data */ |
bf6409d1 | 1043 | |
1044 | ||
1045 | /* | |
1046 | * Create the subscriptions.conf file... | |
1047 | */ | |
1048 | ||
1049 | snprintf(temp, sizeof(temp), "%s/subscriptions.conf", ServerRoot); | |
1050 | snprintf(backup, sizeof(backup), "%s/subscriptions.conf.O", ServerRoot); | |
1051 | ||
1052 | if (rename(temp, backup)) | |
1053 | LogMessage(L_ERROR, "Unable to backup subscriptions.conf - %s", | |
1054 | strerror(errno)); | |
1055 | ||
1056 | if ((fp = cupsFileOpen(temp, "w")) == NULL) | |
1057 | { | |
1058 | LogMessage(L_ERROR, "Unable to save subscriptions.conf - %s", | |
1059 | strerror(errno)); | |
1060 | ||
1061 | if (rename(backup, temp)) | |
1062 | LogMessage(L_ERROR, "Unable to restore subscriptions.conf - %s", | |
1063 | strerror(errno)); | |
1064 | return; | |
1065 | } | |
1066 | else | |
1067 | LogMessage(L_INFO, "Saving subscriptions.conf..."); | |
1068 | ||
1069 | /* | |
1070 | * Restrict access to the file... | |
1071 | */ | |
1072 | ||
1073 | fchown(cupsFileNumber(fp), getuid(), Group); | |
1074 | fchmod(cupsFileNumber(fp), ConfigFilePerm); | |
1075 | ||
1076 | /* | |
1077 | * Write a small header to the file... | |
1078 | */ | |
1079 | ||
1080 | curtime = time(NULL); | |
1081 | curdate = localtime(&curtime); | |
03f61bf3 | 1082 | strftime(temp, sizeof(temp) - 1, "%c", curdate); |
bf6409d1 | 1083 | |
1084 | cupsFilePuts(fp, "# Subscription configuration file for " CUPS_SVERSION "\n"); | |
1085 | cupsFilePrintf(fp, "# Written by cupsd on %s\n", temp); | |
1086 | ||
1087 | /* | |
1088 | * Write every subscription known to the system... | |
1089 | */ | |
1090 | ||
1091 | for (i = 0; i < NumSubscriptions; i ++) | |
1092 | { | |
1093 | sub = Subscriptions[i]; | |
1094 | ||
1095 | cupsFilePrintf(fp, "<Subscription %d>\n", sub->id); | |
1096 | ||
1097 | if ((name = cupsdEventName((cupsd_eventmask_t)sub->mask)) != NULL) | |
1098 | { | |
1099 | /* | |
1100 | * Simple event list... | |
1101 | */ | |
1102 | ||
1103 | cupsFilePrintf(fp, "Events %s\n", name); | |
1104 | } | |
1105 | else | |
1106 | { | |
1107 | /* | |
1108 | * Complex event list... | |
1109 | */ | |
1110 | ||
1111 | cupsFilePuts(fp, "Events"); | |
1112 | ||
1113 | for (mask = 1; mask < CUPSD_EVENT_ALL; mask <<= 1) | |
1114 | if (sub->mask & mask) | |
1115 | cupsFilePrintf(fp, " %s", cupsdEventName((cupsd_eventmask_t)mask)); | |
1116 | ||
1117 | cupsFilePuts(fp, "\n"); | |
1118 | } | |
1119 | ||
fd0624de | 1120 | if (sub->owner) |
1121 | cupsFilePrintf(fp, "Owner %s\n", sub->owner); | |
bf6409d1 | 1122 | if (sub->recipient) |
1123 | cupsFilePrintf(fp, "Recipient %s\n", sub->recipient); | |
1124 | if (sub->job) | |
1125 | cupsFilePrintf(fp, "JobId %d\n", sub->job->id); | |
1126 | if (sub->dest) | |
1127 | cupsFilePrintf(fp, "PrinterName %s\n", sub->dest->name); | |
1128 | ||
4a1c4581 | 1129 | if (sub->user_data_len > 0) |
1130 | { | |
1131 | cupsFilePuts(fp, "UserData "); | |
1132 | ||
1133 | for (j = 0, hex = 0; j < sub->user_data_len; j ++) | |
1134 | { | |
1135 | if (sub->user_data[j] < ' ' || | |
1136 | sub->user_data[j] > 0x7f || | |
1137 | sub->user_data[j] == '<') | |
1138 | { | |
1139 | if (!hex) | |
1140 | { | |
1141 | cupsFilePrintf(fp, "<%02X", sub->user_data[j]); | |
1142 | hex = 1; | |
1143 | } | |
1144 | else | |
1145 | cupsFilePrintf(fp, "%02X", sub->user_data[j]); | |
1146 | } | |
1147 | else | |
1148 | { | |
1149 | if (hex) | |
1150 | { | |
1151 | cupsFilePrintf(fp, ">%c", sub->user_data[j]); | |
1152 | hex = 0; | |
1153 | } | |
1154 | else | |
1155 | cupsFilePutChar(fp, sub->user_data[j]); | |
1156 | } | |
1157 | } | |
1158 | ||
1159 | if (hex) | |
1160 | cupsFilePuts(fp, ">\n"); | |
1161 | else | |
1162 | cupsFilePutChar(fp, '\n'); | |
1163 | } | |
1164 | ||
bf6409d1 | 1165 | cupsFilePrintf(fp, "LeaseTime %d\n", sub->lease); |
1166 | cupsFilePrintf(fp, "Interval %d\n", sub->interval); | |
1167 | cupsFilePrintf(fp, "ExpirationTime %ld\n", (long)sub->expire); | |
1168 | cupsFilePrintf(fp, "NextEventId %d\n", sub->next_event_id); | |
1169 | ||
1170 | cupsFilePuts(fp, "</Subscription>\n"); | |
1171 | } | |
1172 | ||
1173 | cupsFileClose(fp); | |
1174 | } | |
1175 | ||
1176 | ||
1177 | /* | |
1178 | * 'cupsdSendNotification()' - Send a notification for the specified event. | |
1179 | */ | |
1180 | ||
1181 | void | |
1182 | cupsdSendNotification( | |
1183 | cupsd_subscription_t *sub, /* I - Subscription object */ | |
1184 | cupsd_event_t *event) /* I - Event to send */ | |
1185 | { | |
1186 | LogMessage(L_DEBUG, "cupsdSendNotification(sub=%p(%d), event=%p(%s))\n", | |
1187 | sub, sub->id, event, cupsdEventName(event->event)); | |
1188 | ||
277a6a9b | 1189 | /* |
1190 | * Allocate the events array as needed... | |
1191 | */ | |
1192 | ||
1193 | if (!sub->events) | |
1194 | { | |
1195 | sub->events = calloc(MaxEvents, sizeof(cupsd_event_t *)); | |
1196 | ||
1197 | if (!sub->events) | |
1198 | { | |
1199 | LogMessage(L_CRIT, "Unable to allocate memory for subscription #%d!", | |
1200 | sub->id); | |
1201 | return; | |
1202 | } | |
1203 | } | |
1204 | ||
bf6409d1 | 1205 | /* |
1206 | * Add the event to the subscription. Since the events array is | |
1207 | * always MaxEvents in length, and since we will have already | |
1208 | * removed an event from the subscription cache if we hit the | |
1209 | * event cache limit, we don't need to check for overflow here... | |
1210 | */ | |
1211 | ||
1212 | sub->events[sub->num_events] = event; | |
1213 | sub->num_events ++; | |
1214 | ||
1215 | /* | |
1216 | * Deliver the event... | |
1217 | */ | |
1218 | ||
1219 | /**** TODO ****/ | |
1220 | ||
1221 | /* | |
1222 | * Bump the event sequence number... | |
1223 | */ | |
1224 | ||
1225 | sub->next_event_id ++; | |
1226 | } | |
1227 | ||
1228 | ||
ddd3933d | 1229 | /* |
1230 | * 'cupsdStopAllNotifiers()' - Stop all notifier processes. | |
1231 | */ | |
1232 | ||
1233 | void | |
1234 | cupsdStopAllNotifiers(void) | |
1235 | { | |
1236 | int i; /* Looping var */ | |
1237 | cupsd_subscription_t *sub; /* Current subscription */ | |
1238 | ||
1239 | ||
1240 | /* | |
1241 | * See if we have started any notifiers... | |
1242 | */ | |
1243 | ||
1244 | if (!NotifierStatusBuffer) | |
1245 | return; | |
1246 | ||
1247 | /* | |
1248 | * Yes, kill and processes that are left... | |
1249 | */ | |
1250 | ||
1251 | for (i = 0; i < NumSubscriptions; i ++) | |
1252 | { | |
1253 | sub = Subscriptions[i]; | |
1254 | ||
1255 | if (sub->pid) | |
1256 | { | |
1257 | cupsdEndProcess(sub->pid, 0); | |
1258 | ||
1259 | close(sub->pipe); | |
1260 | sub->pipe = -1; | |
1261 | } | |
1262 | } | |
1263 | ||
1264 | /* | |
1265 | * Close the status pipes... | |
1266 | */ | |
1267 | ||
1268 | LogMessage(L_DEBUG2, "cupsdStopAllNotifiers: Removing fd %d from InputSet...", | |
1269 | NotifierPipes[0]); | |
1270 | FD_CLR(NotifierPipes[0], InputSet); | |
1271 | ||
1272 | cupsdStatBufDelete(NotifierStatusBuffer); | |
1273 | ||
1274 | close(NotifierPipes[0]); | |
1275 | close(NotifierPipes[1]); | |
1276 | ||
1277 | NotifierPipes[0] = -1; | |
1278 | NotifierPipes[1] = -1; | |
1279 | NotifierStatusBuffer = NULL; | |
1280 | } | |
1281 | ||
1282 | ||
fd0624de | 1283 | /* |
1284 | * 'cupsdUpdateNotifierStatus()' - Read messages from notifiers. | |
1285 | */ | |
1286 | ||
1287 | void | |
1288 | cupsdUpdateNotiferStatus(void) | |
1289 | { | |
ddd3933d | 1290 | char *ptr, /* Pointer to end of line in buffer */ |
1291 | message[1024]; /* Pointer to message text */ | |
1292 | int loglevel; /* Log level for message */ | |
1293 | ||
1294 | ||
1295 | while ((ptr = cupsdStatBufUpdate(NotifierStatusBuffer, &loglevel, | |
1296 | message, sizeof(message))) != NULL) | |
1297 | if (!strchr(NotifierStatusBuffer->buffer, '\n')) | |
1298 | break; | |
1299 | ||
1300 | if (ptr == NULL) | |
1301 | { | |
1302 | /* | |
1303 | * Fatal error on pipe - should never happen! | |
1304 | */ | |
1305 | ||
1306 | LogMessage(L_CRIT, "cupsdUpdateNotifierStatus: error reading from notifier error pipe - %s", | |
1307 | strerror(errno)); | |
1308 | } | |
fd0624de | 1309 | } |
1310 | ||
1311 | ||
bf6409d1 | 1312 | /* |
1313 | * 'cupsd_delete_event()' - Delete a single event... | |
1314 | * | |
1315 | * Oldest events must be deleted first, otherwise the subscription cache | |
1316 | * flushing code will not work properly. | |
1317 | */ | |
1318 | ||
1319 | static void | |
1320 | cupsd_delete_event(cupsd_event_t *event)/* I - Event to delete */ | |
1321 | { | |
1322 | int i; /* Looping var */ | |
1323 | cupsd_subscription_t *sub; /* Current subscription */ | |
1324 | ||
1325 | ||
1326 | /* | |
1327 | * Loop through the subscriptions and look for the event in the cache... | |
1328 | */ | |
1329 | ||
1330 | for (i = 0; i < NumSubscriptions; i ++) | |
1331 | { | |
1332 | /* | |
1333 | * Only check the first event in the subscription cache, since the | |
1334 | * caller will only delete the oldest event in the cache... | |
1335 | */ | |
1336 | ||
1337 | sub = Subscriptions[i]; | |
1338 | ||
1339 | if (sub->num_events > 0 && sub->events[0] == event) | |
1340 | { | |
1341 | /* | |
1342 | * Remove this event... | |
1343 | */ | |
1344 | ||
1345 | sub->num_events --; | |
1346 | sub->first_event_id ++; | |
1347 | ||
1348 | if (sub->num_events > 0) | |
1349 | { | |
1350 | /* | |
1351 | * Shift other events upward in cache... | |
1352 | */ | |
1353 | ||
1354 | memmove(sub->events, sub->events + 1, | |
1355 | sub->num_events * sizeof(cupsd_event_t *)); | |
1356 | } | |
1357 | } | |
1358 | } | |
1359 | ||
1360 | /* | |
1361 | * Free memory... | |
1362 | */ | |
1363 | ||
1364 | ippDelete(event->attrs); | |
1365 | free(event); | |
1366 | } | |
1367 | ||
1368 | ||
1369 | /* | |
1370 | * End of "$Id$". | |
1371 | */ |