Asterisk - The Open Source Telephony Project  GIT-master-b7027de
res_calendar_icalendar.c
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1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 2008 - 2009, Digium, Inc.
5  *
6  * Terry Wilson <twilson@digium.com>
7  *
8  * See http://www.asterisk.org for more information about
9  * the Asterisk project. Please do not directly contact
10  * any of the maintainers of this project for assistance;
11  * the project provides a web site, mailing lists and IRC
12  * channels for your use.
13  *
14  * This program is free software, distributed under the terms of
15  * the GNU General Public License Version 2. See the LICENSE file
16  * at the top of the source tree.
17  */
18 
19 /*! \file
20  * \brief Resource for handling iCalendar calendars
21  */
22 
23 /*** MODULEINFO
24  <depend>res_calendar</depend>
25  <depend>neon</depend>
26  <depend>ical</depend>
27  <support_level>extended</support_level>
28 ***/
29 
30 #include "asterisk.h"
31 
32 #include <libical/ical.h>
33 #include <ne_session.h>
34 #include <ne_uri.h>
35 #include <ne_request.h>
36 #include <ne_auth.h>
37 #include <ne_redirect.h>
38 
39 #include "asterisk/module.h"
40 #include "asterisk/channel.h"
41 #include "asterisk/calendar.h"
42 #include "asterisk/lock.h"
43 #include "asterisk/config.h"
44 #include "asterisk/astobj2.h"
45 
46 static void *ical_load_calendar(void *data);
47 static void *unref_icalendar(void *obj);
48 
49 static struct ast_calendar_tech ical_tech = {
50  .type = "ical",
51  .module = AST_MODULE,
52  .description = "iCalendar .ics calendars",
53  .load_calendar = ical_load_calendar,
54  .unref_calendar = unref_icalendar,
55 };
56 
57 struct icalendar_pvt {
62  );
64  ne_uri uri;
65  ne_session *session;
66  icalcomponent *data;
68 };
69 
70 static void icalendar_destructor(void *obj)
71 {
72  struct icalendar_pvt *pvt = obj;
73 
74  ast_debug(1, "Destroying pvt for iCalendar %s\n", pvt->owner->name);
75  if (pvt->session) {
76  ne_session_destroy(pvt->session);
77  }
78  if (pvt->data) {
79  icalcomponent_free(pvt->data);
80  }
81  ne_uri_free(&pvt->uri);
83 
85 
86  ao2_ref(pvt->events, -1);
87 }
88 
89 static void *unref_icalendar(void *obj)
90 {
91  struct icalendar_pvt *pvt = obj;
92 
93  ao2_ref(pvt, -1);
94  return NULL;
95 }
96 
97 static int fetch_response_reader(void *data, const char *block, size_t len)
98 {
99  struct ast_str **response = data;
100  unsigned char *tmp;
101 
102  if (!(tmp = ast_malloc(len + 1))) {
103  return -1;
104  }
105  memcpy(tmp, block, len);
106  tmp[len] = '\0';
107  ast_str_append(response, 0, "%s", tmp);
108  ast_free(tmp);
109 
110  return 0;
111 }
112 
113 static int auth_credentials(void *userdata, const char *realm, int attempts, char *username, char *secret)
114 {
115  struct icalendar_pvt *pvt = userdata;
116 
117  if (attempts > 1) {
118  ast_log(LOG_WARNING, "Invalid username or password for iCalendar '%s'\n", pvt->owner->name);
119  return -1;
120  }
121 
122  ne_strnzcpy(username, pvt->user, NE_ABUFSIZ);
123  ne_strnzcpy(secret, pvt->secret, NE_ABUFSIZ);
124 
125  return 0;
126 }
127 
128 static icalcomponent *fetch_icalendar(struct icalendar_pvt *pvt)
129 {
130  int ret;
131  struct ast_str *response;
132  ne_request *req;
133  icalcomponent *comp = NULL;
134 
135  if (!pvt) {
136  ast_log(LOG_ERROR, "There is no private!\n");
137  return NULL;
138  }
139 
140  if (!(response = ast_str_create(512))) {
141  ast_log(LOG_ERROR, "Could not allocate memory for response.\n");
142  return NULL;
143  }
144 
145  req = ne_request_create(pvt->session, "GET", pvt->uri.path);
146  ne_add_response_body_reader(req, ne_accept_2xx, fetch_response_reader, &response);
147 
148  ret = ne_request_dispatch(req);
149  ne_request_destroy(req);
150  if (ret != NE_OK || !ast_str_strlen(response)) {
151  ast_log(LOG_WARNING, "Unable to retrieve iCalendar '%s' from '%s': %s\n", pvt->owner->name, pvt->url, ne_get_error(pvt->session));
152  ast_free(response);
153  return NULL;
154  }
155 
156  if (!ast_strlen_zero(ast_str_buffer(response))) {
157  comp = icalparser_parse_string(ast_str_buffer(response));
158  }
159  ast_free(response);
160 
161  return comp;
162 }
163 
164 static time_t icalfloat_to_timet(icaltimetype time)
165 {
166  struct ast_tm tm = {0,};
167  struct timeval tv;
168 
169  tm.tm_mday = time.day;
170  tm.tm_mon = time.month - 1;
171  tm.tm_year = time.year - 1900;
172  tm.tm_hour = time.hour;
173  tm.tm_min = time.minute;
174  tm.tm_sec = time.second;
175  tm.tm_isdst = -1;
176  tv = ast_mktime(&tm, NULL);
177 
178  return tv.tv_sec;
179 }
180 
181 /* span->start & span->end may be dates or floating times which have no timezone,
182  * which would mean that they should apply to the local timezone for all recipients.
183  * For example, if a meeting was set for 1PM-2PM floating time, people in different time
184  * zones would not be scheduled at the same local times. Dates are often treated as
185  * floating times, so all day events will need to be converted--so we can trust the
186  * span here, and instead will grab the start and end from the component, which will
187  * allow us to test for floating times or dates.
188  */
189 
190 static void icalendar_add_event(icalcomponent *comp, struct icaltime_span *span, void *data)
191 {
192  struct icalendar_pvt *pvt = data;
193  struct ast_calendar_event *event;
194  icaltimezone *utc = icaltimezone_get_utc_timezone();
195  icaltimetype start, end, tmp;
196  icalcomponent *valarm;
197  icalproperty *prop;
198  struct icaltriggertype trigger;
199 
200  if (!(pvt && pvt->owner)) {
201  ast_log(LOG_ERROR, "Require a private structure with an ownenr\n");
202  return;
203  }
204 
205  if (!(event = ast_calendar_event_alloc(pvt->owner))) {
206  ast_log(LOG_ERROR, "Could not allocate an event!\n");
207  return;
208  }
209 
210  start = icalcomponent_get_dtstart(comp);
211  end = icalcomponent_get_dtend(comp);
212 
213  event->start = icaltime_get_tzid(start) ? span->start : icalfloat_to_timet(start);
214  event->end = icaltime_get_tzid(end) ? span->end : icalfloat_to_timet(end);
215  event->busy_state = span->is_busy ? AST_CALENDAR_BS_BUSY : AST_CALENDAR_BS_FREE;
216 
217  if ((prop = icalcomponent_get_first_property(comp, ICAL_SUMMARY_PROPERTY))) {
218  ast_string_field_set(event, summary, icalproperty_get_value_as_string(prop));
219  }
220 
221  if ((prop = icalcomponent_get_first_property(comp, ICAL_DESCRIPTION_PROPERTY))) {
222  ast_string_field_set(event, description, icalproperty_get_value_as_string(prop));
223  }
224 
225  if ((prop = icalcomponent_get_first_property(comp, ICAL_ORGANIZER_PROPERTY))) {
226  ast_string_field_set(event, organizer, icalproperty_get_value_as_string(prop));
227  }
228 
229  if ((prop = icalcomponent_get_first_property(comp, ICAL_LOCATION_PROPERTY))) {
230  ast_string_field_set(event, location, icalproperty_get_value_as_string(prop));
231  }
232 
233  if ((prop = icalcomponent_get_first_property(comp, ICAL_CATEGORIES_PROPERTY))) {
234  ast_string_field_set(event, categories, icalproperty_get_value_as_string(prop));
235  }
236 
237  if ((prop = icalcomponent_get_first_property(comp, ICAL_PRIORITY_PROPERTY))) {
238  event->priority = icalvalue_get_integer(icalproperty_get_value(prop));
239  }
240 
241  if ((prop = icalcomponent_get_first_property(comp, ICAL_UID_PROPERTY))) {
242  ast_string_field_set(event, uid, icalproperty_get_value_as_string(prop));
243  } else {
244  ast_log(LOG_WARNING, "No UID found, but one is required. Generating, but updates may not be acurate\n");
245  if (!ast_strlen_zero(event->summary)) {
246  ast_string_field_set(event, uid, event->summary);
247  } else {
248  char tmp[100];
249  snprintf(tmp, sizeof(tmp), "%ld", event->start);
250  ast_string_field_set(event, uid, tmp);
251  }
252  }
253 
254  /*
255  * If comp has an RRULE and/or RDATE property, we need to check whether
256  * another vevent component supercedes this span. Such a component would
257  * have two characteristics:
258  * - its UID is the same as comp
259  * - its RECURRENCE-ID property is the same time as span->start
260  */
261  if (icalcomponent_get_first_property(comp, ICAL_RRULE_PROPERTY)
262  || icalcomponent_get_first_property(comp, ICAL_RDATE_PROPERTY)) {
263  icalcompiter comp_iter;
264  icaltimetype span_start = icaltime_from_timet_with_zone(
265  event->start, icaltime_is_date(start), icaltime_get_timezone(start));
266 
267  icaltime_set_timezone(&span_start, icaltime_get_timezone(start));
268  for (comp_iter = icalcomponent_begin_component(pvt->data, ICAL_VEVENT_COMPONENT);
269  icalcompiter_deref(&comp_iter);
270  icalcompiter_next(&comp_iter)) {
271  icalcomponent *vevent = icalcompiter_deref(&comp_iter);
272  icalproperty *uid = icalcomponent_get_first_property(vevent, ICAL_UID_PROPERTY);
273 
274  if (uid && !strcmp(icalproperty_get_value_as_string(uid), event->uid)) {
275  icaltimetype recurrence_id = icalcomponent_get_recurrenceid(vevent);
276 
277  /* Set the same timezone that we want to compare against */
278  icaltime_set_timezone(&recurrence_id, icaltime_get_timezone(start));
279 
280  if (!icaltime_compare(recurrence_id, span_start)
281  && icaltime_is_date(span_start) == icaltime_is_date(recurrence_id)) {
282  event = ast_calendar_unref_event(event);
283  return;
284  }
285  }
286  }
287  }
288 
289  /* Get the attendees */
290  for (prop = icalcomponent_get_first_property(comp, ICAL_ATTENDEE_PROPERTY);
291  prop; prop = icalcomponent_get_next_property(comp, ICAL_ATTENDEE_PROPERTY)) {
292  struct ast_calendar_attendee *attendee;
293  const char *data;
294 
295  if (!(attendee = ast_calloc(1, sizeof(*attendee)))) {
296  event = ast_calendar_unref_event(event);
297  return;
298  }
299  data = icalproperty_get_attendee(prop);
300  if (ast_strlen_zero(data)) {
301  ast_free(attendee);
302  continue;
303  }
304  attendee->data = ast_strdup(data);;
305  AST_LIST_INSERT_TAIL(&event->attendees, attendee, next);
306  }
307 
308 
309  /* Only set values for alarm based on VALARM. Can be overriden in main/calendar.c by autoreminder
310  * therefore, go ahead and add events even if their is no VALARM or it is malformed
311  * Currently we are only getting the first VALARM and are handling repitition in main/calendar.c from calendar.conf */
312  if (!(valarm = icalcomponent_get_first_component(comp, ICAL_VALARM_COMPONENT))) {
313  ao2_link(pvt->events, event);
314  event = ast_calendar_unref_event(event);
315  return;
316  }
317 
318  if (!(prop = icalcomponent_get_first_property(valarm, ICAL_TRIGGER_PROPERTY))) {
319  ast_log(LOG_WARNING, "VALARM has no TRIGGER, skipping!\n");
320  ao2_link(pvt->events, event);
321  event = ast_calendar_unref_event(event);
322  return;
323  }
324 
325  trigger = icalproperty_get_trigger(prop);
326 
327  if (icaltriggertype_is_null_trigger(trigger)) {
328  ast_log(LOG_WARNING, "Bad TRIGGER for VALARM, skipping!\n");
329  ao2_link(pvt->events, event);
330  event = ast_calendar_unref_event(event);
331  return;
332  }
333 
334  if (!icaltime_is_null_time(trigger.time)) { /* This is an absolute time */
335  tmp = icaltime_convert_to_zone(trigger.time, utc);
336  event->alarm = icaltime_as_timet_with_zone(tmp, utc);
337  } else { /* Offset from either dtstart or dtend */
338  /* XXX Technically you can check RELATED to see if the event fires from the END of the event
339  * But, I'm not sure I've ever seen anyone implement it in calendaring software, so I'm ignoring for now */
340  tmp = icaltime_add(start, trigger.duration);
341  event->alarm = icaltime_as_timet_with_zone(tmp, icaltime_get_timezone(start));
342  }
343 
344  ao2_link(pvt->events, event);
345  event = ast_calendar_unref_event(event);
346 
347  return;
348 }
349 
350  static void icalendar_update_events(struct icalendar_pvt *pvt)
351 {
352  struct icaltimetype start_time, end_time;
353  icalcomponent *iter;
354 
355  if (!pvt) {
356  ast_log(LOG_ERROR, "iCalendar is NULL\n");
357  return;
358  }
359 
360  if (!pvt->owner) {
361  ast_log(LOG_ERROR, "iCalendar is an orphan!\n");
362  return;
363  }
364 
365  if (!pvt->data) {
366  ast_log(LOG_ERROR, "The iCalendar has not been parsed!\n");
367  return;
368  }
369 
370  start_time = icaltime_current_time_with_zone(icaltimezone_get_utc_timezone());
371  end_time = icaltime_current_time_with_zone(icaltimezone_get_utc_timezone());
372  end_time.second += pvt->owner->timeframe * 60;
373  end_time = icaltime_normalize(end_time);
374 
375  for (iter = icalcomponent_get_first_component(pvt->data, ICAL_VEVENT_COMPONENT);
376  iter;
377  iter = icalcomponent_get_next_component(pvt->data, ICAL_VEVENT_COMPONENT))
378  {
379  icalcomponent_foreach_recurrence(iter, start_time, end_time, icalendar_add_event, pvt);
380  }
381 
383 }
384 
385 static void *ical_load_calendar(void *void_data)
386 {
387  struct icalendar_pvt *pvt;
388  const struct ast_config *cfg;
389  struct ast_variable *v;
390  struct ast_calendar *cal = void_data;
392 
393  if (!(cal && (cfg = ast_calendar_config_acquire()))) {
394  ast_log(LOG_ERROR, "You must enable calendar support for res_icalendar to load\n");
395  return NULL;
396  }
397  if (ao2_trylock(cal)) {
398  if (cal->unloading) {
399  ast_log(LOG_WARNING, "Unloading module, load_calendar cancelled.\n");
400  } else {
401  ast_log(LOG_WARNING, "Could not lock calendar, aborting!\n");
402  }
404  return NULL;
405  }
406 
407  if (!(pvt = ao2_alloc(sizeof(*pvt), icalendar_destructor))) {
408  ast_log(LOG_ERROR, "Could not allocate icalendar_pvt structure for calendar: %s\n", cal->name);
410  return NULL;
411  }
412 
413  pvt->owner = cal;
414 
415  if (!(pvt->events = ast_calendar_event_container_alloc())) {
416  ast_log(LOG_ERROR, "Could not allocate space for fetching events for calendar: %s\n", cal->name);
417  pvt = unref_icalendar(pvt);
418  ao2_unlock(cal);
420  return NULL;
421  }
422 
423  if (ast_string_field_init(pvt, 32)) {
424  ast_log(LOG_ERROR, "Couldn't allocate string field space for calendar: %s\n", cal->name);
425  pvt = unref_icalendar(pvt);
426  ao2_unlock(cal);
428  return NULL;
429  }
430 
431  for (v = ast_variable_browse(cfg, cal->name); v; v = v->next) {
432  if (!strcasecmp(v->name, "url")) {
433  ast_string_field_set(pvt, url, v->value);
434  } else if (!strcasecmp(v->name, "user")) {
435  ast_string_field_set(pvt, user, v->value);
436  } else if (!strcasecmp(v->name, "secret")) {
438  }
439  }
440 
442 
443  if (ast_strlen_zero(pvt->url)) {
444  ast_log(LOG_WARNING, "No URL was specified for iCalendar '%s' - skipping.\n", cal->name);
445  pvt = unref_icalendar(pvt);
446  ao2_unlock(cal);
447  return NULL;
448  }
449 
450  if (ne_uri_parse(pvt->url, &pvt->uri) || pvt->uri.host == NULL || pvt->uri.path == NULL) {
451  ast_log(LOG_WARNING, "Could not parse url '%s' for iCalendar '%s' - skipping.\n", pvt->url, cal->name);
452  pvt = unref_icalendar(pvt);
453  ao2_unlock(cal);
454  return NULL;
455  }
456 
457  if (pvt->uri.scheme == NULL) {
458  pvt->uri.scheme = "http";
459  }
460 
461  if (pvt->uri.port == 0) {
462  pvt->uri.port = ne_uri_defaultport(pvt->uri.scheme);
463  }
464 
465  pvt->session = ne_session_create(pvt->uri.scheme, pvt->uri.host, pvt->uri.port);
466  ne_redirect_register(pvt->session);
467  ne_set_server_auth(pvt->session, auth_credentials, pvt);
468  if (!strcasecmp(pvt->uri.scheme, "https")) {
469  ne_ssl_trust_default_ca(pvt->session);
470  }
471 
472  cal->tech_pvt = pvt;
473 
474  ast_mutex_init(&refreshlock);
475 
476  /* Load it the first time */
477  if (!(pvt->data = fetch_icalendar(pvt))) {
478  ast_log(LOG_WARNING, "Unable to parse iCalendar '%s'\n", cal->name);
479  }
480 
482 
483  ao2_unlock(cal);
484 
485  /* The only writing from another thread will be if unload is true */
486  for(;;) {
487  struct timeval tv = ast_tvnow();
488  struct timespec ts = {0,};
489 
490  ts.tv_sec = tv.tv_sec + (60 * pvt->owner->refresh);
491 
492  ast_mutex_lock(&refreshlock);
493  while (!pvt->owner->unloading) {
494  if (ast_cond_timedwait(&pvt->owner->unload, &refreshlock, &ts) == ETIMEDOUT) {
495  break;
496  }
497  }
498  ast_mutex_unlock(&refreshlock);
499 
500  if (pvt->owner->unloading) {
501  ast_debug(10, "Skipping refresh since we got a shutdown signal\n");
502  return NULL;
503  }
504 
505  ast_debug(10, "Refreshing after %d minute timeout\n", pvt->owner->refresh);
506 
507  /* Free the old calendar data */
508  if (pvt->data) {
509  icalcomponent_free(pvt->data);
510  pvt->data = NULL;
511  }
512  if (!(pvt->data = fetch_icalendar(pvt))) {
513  ast_log(LOG_WARNING, "Unable to parse iCalendar '%s'\n", pvt->owner->name);
514  continue;
515  }
516 
518  }
519 
520  return NULL;
521 }
522 
523 static int load_module(void)
524 {
525  ne_sock_init();
526  if (ast_calendar_register(&ical_tech)) {
527  ne_sock_exit();
529  }
530 
532 }
533 
534 static int unload_module(void)
535 {
536  ast_calendar_unregister(&ical_tech);
537  ne_sock_exit();
538  return 0;
539 }
540 
541 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "Asterisk iCalendar .ics file integration",
542  .support_level = AST_MODULE_SUPPORT_EXTENDED,
543  .load = load_module,
544  .unload = unload_module,
545  .load_pri = AST_MODPRI_DEVSTATE_PLUGIN,
546  .requires = "res_calendar",
547 );
struct ast_variable * next
static void * unref_icalendar(void *obj)
struct ast_calendar * owner
ast_cond_t unload
Definition: calendar.h:135
unsigned int unloading
Definition: calendar.h:136
Asterisk locking-related definitions:
int ast_calendar_register(struct ast_calendar_tech *tech)
Register a new calendar technology.
Definition: res_calendar.c:549
Asterisk main include file. File version handling, generic pbx functions.
static icalcomponent * fetch_icalendar(struct icalendar_pvt *pvt)
const ast_string_field user
const ast_string_field secret
struct ast_variable * ast_variable_browse(const struct ast_config *config, const char *category_name)
Definition: extconf.c:1216
#define LOG_WARNING
Definition: logger.h:274
char * ast_str_buffer(const struct ast_str *buf)
Returns the string buffer within the ast_str buf.
Definition: strings.h:714
static void * ical_load_calendar(void *data)
#define ao2_callback(c, flags, cb_fn, arg)
Definition: astobj2.h:1716
static int tmp()
Definition: bt_open.c:389
struct ast_calendar_attendee * next
Definition: calendar.h:89
static time_t icalfloat_to_timet(icaltimetype time)
Structure for variables, used for configurations and for channel variables.
static void icalendar_add_event(icalcomponent *comp, struct icaltime_span *span, void *data)
struct ao2_container * events
Definition: astman.c:222
int ast_str_append(struct ast_str **buf, ssize_t max_len, const char *fmt,...)
Append to a thread local dynamic string.
Definition: strings.h:1091
const ast_string_field uid
Definition: calendar.h:101
struct timeval ast_tvnow(void)
Returns current timeval. Meant to replace calls to gettimeofday().
Definition: time.h:150
#define AST_DECLARE_STRING_FIELDS(field_list)
Declare the fields needed in a structure.
Definition: stringfields.h:337
#define ast_mutex_lock(a)
Definition: lock.h:187
#define ao2_unlock(a)
Definition: astobj2.h:730
#define ast_strdup(str)
A wrapper for strdup()
Definition: astmm.h:243
int timeframe
Definition: calendar.h:133
#define NULL
Definition: resample.c:96
char * end
Definition: eagi_proxy.c:73
static struct ast_calendar_tech ical_tech
int tm_year
Definition: localtime.h:41
static void icalendar_update_events(struct icalendar_pvt *pvt)
void ast_calendar_merge_events(struct ast_calendar *cal, struct ao2_container *new_events)
Add an event to the list of events for a calendar.
Configuration File Parser.
void * tech_pvt
Definition: calendar.h:119
const char * type
Definition: calendar.h:70
#define ast_debug(level,...)
Log a DEBUG message.
Definition: logger.h:444
#define ast_log
Definition: astobj2.c:42
static int fetch_response_reader(void *data, const char *block, size_t len)
static int auth_credentials(void *userdata, const char *realm, int attempts, char *username, char *secret)
static int load_module(void)
General Asterisk PBX channel definitions.
#define ast_string_field_init(x, size)
Initialize a field pool and fields.
Definition: stringfields.h:353
struct ao2_container * ast_calendar_event_container_alloc(void)
Allocate an astobj2 container for ast_calendar_event objects.
Definition: res_calendar.c:689
#define AST_STRING_FIELD(name)
Declare a string field.
Definition: stringfields.h:299
int tm_mon
Definition: localtime.h:40
#define ao2_ref(o, delta)
Definition: astobj2.h:464
A general API for managing calendar events with Asterisk.
#define ast_malloc(len)
A wrapper for malloc()
Definition: astmm.h:193
int tm_mday
Definition: localtime.h:39
const ast_string_field name
Definition: calendar.h:127
struct ast_calendar_event * ast_calendar_event_alloc(struct ast_calendar *cal)
Allocate an astobj2 ast_calendar_event object.
Definition: res_calendar.c:667
#define LOG_ERROR
Definition: logger.h:285
#define AST_LIST_INSERT_TAIL(head, elm, field)
Appends a list entry to the tail of a list.
Definition: linkedlists.h:730
#define ao2_trylock(a)
Definition: astobj2.h:740
The descriptor of a dynamic string XXX storage will be optimized later if needed We use the ts field ...
Definition: strings.h:584
struct association categories[]
static ast_mutex_t refreshlock
Definition: res_calendar.c:225
static int len(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t buflen)
const ast_string_field url
#define ao2_alloc(data_size, destructor_fn)
Definition: astobj2.h:411
static void icalendar_destructor(void *obj)
#define ast_strlen_zero(a)
Definition: muted.c:73
#define ast_free(a)
Definition: astmm.h:182
#define ast_calloc(num, len)
A wrapper for calloc()
Definition: astmm.h:204
const struct ast_config * ast_calendar_config_acquire(void)
Grab and lock pointer to the calendar config (read only)
Definition: res_calendar.c:258
Module has failed to load, may be in an inconsistent state.
Definition: module.h:78
struct ast_calendar_event * ast_calendar_unref_event(struct ast_calendar_event *event)
Unreference an ast_calendar_event.
Definition: res_calendar.c:321
int tm_hour
Definition: localtime.h:38
structure to hold users read from users.conf
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS|AST_MODFLAG_LOAD_ORDER, "HTTP Phone Provisioning",.support_level=AST_MODULE_SUPPORT_EXTENDED,.load=load_module,.unload=unload_module,.reload=reload,.load_pri=AST_MODPRI_CHANNEL_DEPEND,.requires="http",)
struct ast_calendar_event::attendees attendees
int tm_sec
Definition: localtime.h:36
void ast_calendar_unregister(struct ast_calendar_tech *tech)
Unregister a new calendar technology.
Definition: res_calendar.c:587
size_t ast_str_strlen(const struct ast_str *buf)
Returns the current length of the string stored within buf.
Definition: strings.h:688
struct timeval ast_mktime(struct ast_tm *const tmp, const char *zone)
Timezone-independent version of mktime(3).
Definition: localtime.c:2357
icalcomponent * data
#define AST_MODULE
Individual calendaring technology data.
Definition: calendar.h:69
int tm_isdst
Definition: localtime.h:44
#define ast_mutex_init(pmutex)
Definition: lock.h:184
Generic container type.
Asterisk calendar structure.
Definition: calendar.h:117
void ast_calendar_config_release(void)
Release the calendar config.
Definition: res_calendar.c:270
#define ASTERISK_GPL_KEY
The text the key() function should return.
Definition: module.h:46
Asterisk module definitions.
const ast_string_field summary
Definition: calendar.h:101
#define ast_string_field_free_memory(x)
free all memory - to be called before destroying the object
Definition: stringfields.h:368
#define ast_cond_timedwait(cond, mutex, time)
Definition: lock.h:204
int tm_min
Definition: localtime.h:37
Structure for mutex and tracking information.
Definition: lock.h:135
static int unload_module(void)
#define ast_str_create(init_len)
Create a malloc&#39;ed dynamic length string.
Definition: strings.h:620
#define ast_mutex_unlock(a)
Definition: lock.h:188
#define ast_string_field_set(x, field, data)
Set a field to a simple string value.
Definition: stringfields.h:514
#define ao2_link(container, obj)
Definition: astobj2.h:1549