?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
when building a version string for a developer branch, include the base branch in...
[asterisk-bristuff.git] / channels / chan_skinny.c
blobc1ecfa6a8c12daa07408be303575b4bd6eeed371
1 /*
2 * Asterisk -- An open source telephony toolkit.
3 *
4 * Copyright (C) 1999 - 2005, Digium, Inc.
5 *
6 * chan_skinny was developed by Jeremy McNamara & Florian Overkamp
7 * chan_skinny was heavily modified/fixed by North Antara
8 *
9 * See http://www.asterisk.org for more information about
10 * the Asterisk project. Please do not directly contact
11 * any of the maintainers of this project for assistance;
12 * the project provides a web site, mailing lists and IRC
13 * channels for your use.
14 *
15 * This program is free software, distributed under the terms of
16 * the GNU General Public License Version 2. See the LICENSE file
17 * at the top of the source tree.
18 */
19
20 /*! \file
21 *
22 * \brief Implementation of the Skinny protocol
23 *
24 * \author Jeremy McNamara & Florian Overkamp & North Antara
25 * \ingroup channel_drivers
26 */
27
28
29 #include "asterisk.h"
30
31 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <unistd.h>
37 #include <sys/socket.h>
38 #include <netinet/in.h>
39 #include <netinet/tcp.h>
40 #include <sys/ioctl.h>
41 #include <net/if.h>
42 #include <errno.h>
43 #include <fcntl.h>
44 #include <netdb.h>
45 #include <arpa/inet.h>
46 #include <sys/signal.h>
47 #include <signal.h>
48 #include <ctype.h>
49
50 #include "asterisk/lock.h"
51 #include "asterisk/channel.h"
52 #include "asterisk/config.h"
53 #include "asterisk/logger.h"
54 #include "asterisk/module.h"
55 #include "asterisk/pbx.h"
56 #include "asterisk/options.h"
57 #include "asterisk/lock.h"
58 #include "asterisk/sched.h"
59 #include "asterisk/io.h"
60 #include "asterisk/rtp.h"
61 #include "asterisk/acl.h"
62 #include "asterisk/callerid.h"
63 #include "asterisk/cli.h"
64 #include "asterisk/say.h"
65 #include "asterisk/cdr.h"
66 #include "asterisk/astdb.h"
67 #include "asterisk/features.h"
68 #include "asterisk/app.h"
69 #include "asterisk/musiconhold.h"
70 #include "asterisk/utils.h"
71 #include "asterisk/dsp.h"
72 #include "asterisk/stringfields.h"
73 #include "asterisk/astobj.h"
74 #include "asterisk/abstract_jb.h"
75 #include "asterisk/threadstorage.h"
76
77 /*************************************
78 * Skinny/Asterisk Protocol Settings *
79 *************************************/
80 static const char tdesc[] = "Skinny Client Control Protocol (Skinny)";
81 static const char config[] = "skinny.conf";
82
83 static int default_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW;
84 static struct ast_codec_pref default_prefs;
85
86 enum skinny_codecs {
87 SKINNY_CODEC_ALAW = 2,
88 SKINNY_CODEC_ULAW = 4,
89 SKINNY_CODEC_G723_1 = 9,
90 SKINNY_CODEC_G729A = 12,
91 SKINNY_CODEC_G726_32 = 82, /* XXX Which packing order does this translate to? */
92 SKINNY_CODEC_H261 = 100,
93 SKINNY_CODEC_H263 = 101
94 };
95
96 #define DEFAULT_SKINNY_PORT 2000
97 #define DEFAULT_SKINNY_BACKLOG 2
98 #define SKINNY_MAX_PACKET 1000
99
100 static int keep_alive = 120;
101 static char date_format[6] = "D-M-Y";
102 static char version_id[16] = "P002F202";
103
104 #if __BYTE_ORDER == __LITTLE_ENDIAN
105 #define letohl(x) (x)
106 #define letohs(x) (x)
107 #define htolel(x) (x)
108 #define htoles(x) (x)
109 #else
110 #if defined(SOLARIS) || defined(__Darwin__) || defined(__NetBSD__)
111 #define __bswap_16(x) \
112 ((((x) & 0xff00) >> 8) | \
113 (((x) & 0x00ff) << 8))
114 #define __bswap_32(x) \
115 ((((x) & 0xff000000) >> 24) | \
116 (((x) & 0x00ff0000) >> 8) | \
117 (((x) & 0x0000ff00) << 8) | \
118 (((x) & 0x000000ff) << 24))
119 #else
120 #include <bits/byteswap.h>
121 #endif
122 #define letohl(x) __bswap_32(x)
123 #define letohs(x) __bswap_16(x)
124 #define htolel(x) __bswap_32(x)
125 #define htoles(x) __bswap_16(x)
126 #endif
127
128 /*! Global jitterbuffer configuration - by default, jb is disabled */
129 static struct ast_jb_conf default_jbconf =
130 {
131 .flags = 0,
132 .max_size = -1,
133 .resync_threshold = -1,
134 .impl = ""
135 };
136 static struct ast_jb_conf global_jbconf;
137
138 AST_THREADSTORAGE(device2str_threadbuf, device2str_threadbuf_init);
139 #define DEVICE2STR_BUFSIZE 15
140
141 AST_THREADSTORAGE(control2str_threadbuf, control2str_threadbuf_init);
142 #define CONTROL2STR_BUFSIZE 100
143
144 /*********************
145 * Protocol Messages *
146 *********************/
147 /* message types */
148 #define KEEP_ALIVE_MESSAGE 0x0000
149 /* no additional struct */
150
151 #define REGISTER_MESSAGE 0x0001
152 struct register_message {
153 char name[16];
154 uint32_t userId;
155 uint32_t instance;
156 uint32_t ip;
157 uint32_t type;
158 uint32_t maxStreams;
159 };
160
161 #define IP_PORT_MESSAGE 0x0002
162
163 #define KEYPAD_BUTTON_MESSAGE 0x0003
164 struct keypad_button_message {
165 uint32_t button;
166 uint32_t lineInstance;
167 uint32_t callReference;
168 };
169
170 #define STIMULUS_MESSAGE 0x0005
171 struct stimulus_message {
172 uint32_t stimulus;
173 uint32_t stimulusInstance;
174 uint32_t unknown1;
175 };
176
177 #define OFFHOOK_MESSAGE 0x0006
178 struct offhook_message {
179 uint32_t unknown1;
180 uint32_t unknown2;
181 };
182
183 #define ONHOOK_MESSAGE 0x0007
184 struct onhook_message {
185 uint32_t unknown1;
186 uint32_t unknown2;
187 };
188
189 #define CAPABILITIES_RES_MESSAGE 0x0010
190 struct station_capabilities {
191 uint32_t codec;
192 uint32_t frames;
193 union {
194 char res[8];
195 uint32_t rate;
196 } payloads;
197 };
198
199 struct capabilities_res_message {
200 uint32_t count;
201 struct station_capabilities caps[18];
202 };
203
204 #define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
205 struct speed_dial_stat_req_message {
206 uint32_t speedDialNumber;
207 };
208
209 #define LINE_STATE_REQ_MESSAGE 0x000B
210 struct line_state_req_message {
211 uint32_t lineNumber;
212 };
213
214 #define TIME_DATE_REQ_MESSAGE 0x000D
215 #define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
216 #define VERSION_REQ_MESSAGE 0x000F
217 #define SERVER_REQUEST_MESSAGE 0x0012
218
219 #define ALARM_MESSAGE 0x0020
220 struct alarm_message {
221 uint32_t alarmSeverity;
222 char displayMessage[80];
223 uint32_t alarmParam1;
224 uint32_t alarmParam2;
225 };
226
227 #define OPEN_RECEIVE_CHANNEL_ACK_MESSAGE 0x0022
228 struct open_receive_channel_ack_message {
229 uint32_t status;
230 uint32_t ipAddr;
231 uint32_t port;
232 uint32_t passThruId;
233 };
234
235 #define SOFT_KEY_SET_REQ_MESSAGE 0x0025
236
237 #define SOFT_KEY_EVENT_MESSAGE 0x0026
238 struct soft_key_event_message {
239 uint32_t softKeyEvent;
240 uint32_t instance;
241 uint32_t reference;
242 };
243
244 #define UNREGISTER_MESSAGE 0x0027
245 #define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
246 #define HEADSET_STATUS_MESSAGE 0x002B
247 #define REGISTER_AVAILABLE_LINES_MESSAGE 0x002D
248
249 #define REGISTER_ACK_MESSAGE 0x0081
250 struct register_ack_message {
251 uint32_t keepAlive;
252 char dateTemplate[6];
253 char res[2];
254 uint32_t secondaryKeepAlive;
255 char res2[4];
256 };
257
258 #define START_TONE_MESSAGE 0x0082
259 struct start_tone_message {
260 uint32_t tone;
261 };
262
263 #define STOP_TONE_MESSAGE 0x0083
264
265 #define SET_RINGER_MESSAGE 0x0085
266 struct set_ringer_message {
267 uint32_t ringerMode;
268 uint32_t unknown1; /* See notes in transmit_ringer_mode */
269 uint32_t unknown2;
270 };
271
272 #define SET_LAMP_MESSAGE 0x0086
273 struct set_lamp_message {
274 uint32_t stimulus;
275 uint32_t stimulusInstance;
276 uint32_t deviceStimulus;
277 };
278
279 #define SET_SPEAKER_MESSAGE 0x0088
280 struct set_speaker_message {
281 uint32_t mode;
282 };
283
284 /* XXX When do we need to use this? */
285 #define SET_MICROPHONE_MESSAGE 0x0089
286 struct set_microphone_message {
287 uint32_t mode;
288 };
289
290 #define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
291 struct media_qualifier {
292 uint32_t precedence;
293 uint32_t vad;
294 uint32_t packets;
295 uint32_t bitRate;
296 };
297
298 struct start_media_transmission_message {
299 uint32_t conferenceId;
300 uint32_t passThruPartyId;
301 uint32_t remoteIp;
302 uint32_t remotePort;
303 uint32_t packetSize;
304 uint32_t payloadType;
305 struct media_qualifier qualifier;
306 };
307
308 #define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
309 struct stop_media_transmission_message {
310 uint32_t conferenceId;
311 uint32_t passThruPartyId;
312 };
313
314 #define CALL_INFO_MESSAGE 0x008F
315 struct call_info_message {
316 char callingPartyName[40];
317 char callingParty[24];
318 char calledPartyName[40];
319 char calledParty[24];
320 uint32_t instance;
321 uint32_t reference;
322 uint32_t type;
323 char originalCalledPartyName[40];
324 char originalCalledParty[24];
325 char lastRedirectingPartyName[40];
326 char lastRedirectingParty[24];
327 uint32_t originalCalledPartyRedirectReason;
328 uint32_t lastRedirectingReason;
329 char callingPartyVoiceMailbox[24];
330 char calledPartyVoiceMailbox[24];
331 char originalCalledPartyVoiceMailbox[24];
332 char lastRedirectingVoiceMailbox[24];
333 };
334
335 #define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
336 struct speed_dial_stat_res_message {
337 uint32_t speedDialNumber;
338 char speedDialDirNumber[24];
339 char speedDialDisplayName[40];
340 };
341
342 #define LINE_STAT_RES_MESSAGE 0x0092
343 struct line_stat_res_message {
344 uint32_t lineNumber;
345 char lineDirNumber[24];
346 char lineDisplayName[42];
347 uint32_t space;
348 };
349
350 #define DEFINETIMEDATE_MESSAGE 0x0094
351 struct definetimedate_message {
352 uint32_t year; /* since 1900 */
353 uint32_t month;
354 uint32_t dayofweek; /* monday = 1 */
355 uint32_t day;
356 uint32_t hour;
357 uint32_t minute;
358 uint32_t seconds;
359 uint32_t milliseconds;
360 uint32_t timestamp;
361 };
362
363 #define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
364 struct button_definition {
365 uint8_t instanceNumber;
366 uint8_t buttonDefinition;
367 };
368
369 struct button_definition_template {
370 uint8_t buttonDefinition;
371 /* for now, anything between 0xB0 and 0xCF is custom */
372 /*int custom;*/
373 };
374
375 #define STIMULUS_REDIAL 0x01
376 #define STIMULUS_SPEEDDIAL 0x02
377 #define STIMULUS_HOLD 0x03
378 #define STIMULUS_TRANSFER 0x04
379 #define STIMULUS_FORWARDALL 0x05
380 #define STIMULUS_FORWARDBUSY 0x06
381 #define STIMULUS_FORWARDNOANSWER 0x07
382 #define STIMULUS_DISPLAY 0x08
383 #define STIMULUS_LINE 0x09
384 #define STIMULUS_VOICEMAIL 0x0F
385 #define STIMULUS_AUTOANSWER 0x11
386 #define STIMULUS_CONFERENCE 0x7D
387 #define STIMULUS_CALLPARK 0x7E
388 #define STIMULUS_CALLPICKUP 0x7F
389 #define STIMULUS_NONE 0xFF
390
391 /* Button types */
392 #define BT_REDIAL STIMULUS_REDIAL
393 #define BT_SPEEDDIAL STIMULUS_SPEEDDIAL
394 #define BT_HOLD STIMULUS_HOLD
395 #define BT_TRANSFER STIMULUS_TRANSFER
396 #define BT_FORWARDALL STIMULUS_FORWARDALL
397 #define BT_FORWARDBUSY STIMULUS_FORWARDBUSY
398 #define BT_FORWARDNOANSWER STIMULUS_FORWARDNOANSWER
399 #define BT_DISPLAY STIMULUS_DISPLAY
400 #define BT_LINE STIMULUS_LINE
401 #define BT_VOICEMAIL STIMULUS_VOICEMAIL
402 #define BT_AUTOANSWER STIMULUS_AUTOANSWER
403 #define BT_CONFERENCE STIMULUS_CONFERENCE
404 #define BT_CALLPARK STIMULUS_CALLPARK
405 #define BT_CALLPICKUP STIMULUS_CALLPICKUP
406 #define BT_NONE 0x00
407
408 /* Custom button types - add our own between 0xB0 and 0xCF.
409 This may need to be revised in the future,
410 if stimuluses are ever added in this range. */
411 #define BT_CUST_LINESPEEDDIAL 0xB0 /* line or speeddial */
412 #define BT_CUST_HINT 0xB1 /* pipe dream */
413
414 struct button_template_res_message {
415 uint32_t buttonOffset;
416 uint32_t buttonCount;
417 uint32_t totalButtonCount;
418 struct button_definition definition[42];
419 };
420
421 #define VERSION_RES_MESSAGE 0x0098
422 struct version_res_message {
423 char version[16];
424 };
425
426 #define DISPLAYTEXT_MESSAGE 0x0099
427 struct displaytext_message {
428 char text[40];
429 };
430
431 #define CLEAR_NOTIFY_MESSAGE 0x0115
432 #define CLEAR_PROMPT_MESSAGE 0x0113
433 #define CLEAR_DISPLAY_MESSAGE 0x009A
434
435 #define CAPABILITIES_REQ_MESSAGE 0x009B
436
437 #define REGISTER_REJ_MESSAGE 0x009D
438 struct register_rej_message {
439 char errMsg[33];
440 };
441
442 #define SERVER_RES_MESSAGE 0x009E
443 struct server_identifier {
444 char serverName[48];
445 };
446
447 struct server_res_message {
448 struct server_identifier server[5];
449 uint32_t serverListenPort[5];
450 uint32_t serverIpAddr[5];
451 };
452
453 #define RESET_MESSAGE 0x009F
454 struct reset_message {
455 uint32_t resetType;
456 };
457
458 #define KEEP_ALIVE_ACK_MESSAGE 0x0100
459
460 #define OPEN_RECEIVE_CHANNEL_MESSAGE 0x0105
461 struct open_receive_channel_message {
462 uint32_t conferenceId;
463 uint32_t partyId;
464 uint32_t packets;
465 uint32_t capability;
466 uint32_t echo;
467 uint32_t bitrate;
468 };
469
470 #define CLOSE_RECEIVE_CHANNEL_MESSAGE 0x0106
471 struct close_receive_channel_message {
472 uint32_t conferenceId;
473 uint32_t partyId;
474 };
475
476 #define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
477
478 struct soft_key_template_definition {
479 char softKeyLabel[16];
480 uint32_t softKeyEvent;
481 };
482
483 #define KEYDEF_ONHOOK 0
484 #define KEYDEF_CONNECTED 1
485 #define KEYDEF_ONHOLD 2
486 #define KEYDEF_RINGIN 3
487 #define KEYDEF_OFFHOOK 4
488 #define KEYDEF_CONNWITHTRANS 5
489 #define KEYDEF_DADFD 6 /* Digits After Dialing First Digit */
490 #define KEYDEF_CONNWITHCONF 7
491 #define KEYDEF_RINGOUT 8
492 #define KEYDEF_OFFHOOKWITHFEAT 9
493 #define KEYDEF_UNKNOWN 10
494
495 #define SOFTKEY_NONE 0x00
496 #define SOFTKEY_REDIAL 0x01
497 #define SOFTKEY_NEWCALL 0x02
498 #define SOFTKEY_HOLD 0x03
499 #define SOFTKEY_TRNSFER 0x04
500 #define SOFTKEY_CFWDALL 0x05
501 #define SOFTKEY_CFWDBUSY 0x06
502 #define SOFTKEY_CFWDNOANSWER 0x07
503 #define SOFTKEY_BKSPC 0x08
504 #define SOFTKEY_ENDCALL 0x09
505 #define SOFTKEY_RESUME 0x0A
506 #define SOFTKEY_ANSWER 0x0B
507 #define SOFTKEY_INFO 0x0C
508 #define SOFTKEY_CONFRN 0x0D
509 #define SOFTKEY_PARK 0x0E
510 #define SOFTKEY_JOIN 0x0F
511 #define SOFTKEY_MEETME 0x10
512 #define SOFTKEY_PICKUP 0x11
513 #define SOFTKEY_GPICKUP 0x12
514
515 struct soft_key_template_definition soft_key_template_default[] = {
516 { "Redial", 0x01 },
517 { "NewCall", 0x02 },
518 { "Hold", 0x03 },
519 { "Trnsfer", 0x04 },
520 { "CFwdAll", 0x05 },
521 { "CFwdBusy", 0x06 },
522 { "CFwdNoAnswer", 0x07 },
523 { "<<", 0x08 },
524 { "EndCall", 0x09 },
525 { "Resume", 0x0A },
526 { "Answer", 0x0B },
527 { "Info", 0x0C },
528 { "Confrn", 0x0D },
529 { "Park", 0x0E },
530 { "Join", 0x0F },
531 { "MeetMe", 0x10 },
532 { "PickUp", 0x11 },
533 { "GPickUp", 0x12 },
534 };
535
536 struct soft_key_definitions {
537 const uint8_t mode;
538 const uint8_t *defaults;
539 const int count;
540 };
541
542 static const uint8_t soft_key_default_onhook[] = {
543 SOFTKEY_REDIAL,
544 SOFTKEY_CFWDALL,
545 SOFTKEY_CFWDBUSY,
546 SOFTKEY_GPICKUP,
547 SOFTKEY_CONFRN,
548 };
549
550 static const uint8_t soft_key_default_connected[] = {
551 SOFTKEY_HOLD,
552 SOFTKEY_ENDCALL,
553 SOFTKEY_TRNSFER,
554 SOFTKEY_PARK,
555 SOFTKEY_CFWDALL,
556 SOFTKEY_CFWDBUSY,
557 };
558
559 static const uint8_t soft_key_default_onhold[] = {
560 SOFTKEY_RESUME,
561 SOFTKEY_NEWCALL,
562 SOFTKEY_ENDCALL,
563 SOFTKEY_TRNSFER,
564 };
565
566 static const uint8_t soft_key_default_ringin[] = {
567 SOFTKEY_ANSWER,
568 SOFTKEY_ENDCALL,
569 SOFTKEY_TRNSFER,
570 };
571
572 static const uint8_t soft_key_default_offhook[] = {
573 SOFTKEY_REDIAL,
574 SOFTKEY_ENDCALL,
575 SOFTKEY_CFWDALL,
576 SOFTKEY_CFWDBUSY,
577 SOFTKEY_GPICKUP,
578 };
579
580 static const uint8_t soft_key_default_connwithtrans[] = {
581 SOFTKEY_HOLD,
582 SOFTKEY_ENDCALL,
583 SOFTKEY_TRNSFER,
584 SOFTKEY_PARK,
585 SOFTKEY_CFWDALL,
586 SOFTKEY_CFWDBUSY,
587 };
588
589 static const uint8_t soft_key_default_dadfd[] = {
590 SOFTKEY_BKSPC,
591 SOFTKEY_ENDCALL,
592 };
593
594 static const uint8_t soft_key_default_connwithconf[] = {
595 SOFTKEY_NONE,
596 };
597
598 static const uint8_t soft_key_default_ringout[] = {
599 SOFTKEY_ENDCALL,
600 SOFTKEY_TRNSFER,
601 SOFTKEY_CFWDALL,
602 SOFTKEY_CFWDBUSY,
603 };
604
605 static const uint8_t soft_key_default_offhookwithfeat[] = {
606 SOFTKEY_REDIAL,
607 SOFTKEY_ENDCALL,
608 };
609
610 static const uint8_t soft_key_default_unknown[] = {
611 SOFTKEY_NONE,
612 };
613
614 static const struct soft_key_definitions soft_key_default_definitions[] = {
615 {KEYDEF_ONHOOK, soft_key_default_onhook, sizeof(soft_key_default_onhook) / sizeof(uint8_t)},
616 {KEYDEF_CONNECTED, soft_key_default_connected, sizeof(soft_key_default_connected) / sizeof(uint8_t)},
617 {KEYDEF_ONHOLD, soft_key_default_onhold, sizeof(soft_key_default_onhold) / sizeof(uint8_t)},
618 {KEYDEF_RINGIN, soft_key_default_ringin, sizeof(soft_key_default_ringin) / sizeof(uint8_t)},
619 {KEYDEF_OFFHOOK, soft_key_default_offhook, sizeof(soft_key_default_offhook) / sizeof(uint8_t)},
620 {KEYDEF_CONNWITHTRANS, soft_key_default_connwithtrans, sizeof(soft_key_default_connwithtrans) / sizeof(uint8_t)},
621 {KEYDEF_DADFD, soft_key_default_dadfd, sizeof(soft_key_default_dadfd) / sizeof(uint8_t)},
622 {KEYDEF_CONNWITHCONF, soft_key_default_connwithconf, sizeof(soft_key_default_connwithconf) / sizeof(uint8_t)},
623 {KEYDEF_RINGOUT, soft_key_default_ringout, sizeof(soft_key_default_ringout) / sizeof(uint8_t)},
624 {KEYDEF_OFFHOOKWITHFEAT, soft_key_default_offhookwithfeat, sizeof(soft_key_default_offhookwithfeat) / sizeof(uint8_t)},
625 {KEYDEF_UNKNOWN, soft_key_default_unknown, sizeof(soft_key_default_unknown) / sizeof(uint8_t)}
626 };
627
628 struct soft_key_template_res_message {
629 uint32_t softKeyOffset;
630 uint32_t softKeyCount;
631 uint32_t totalSoftKeyCount;
632 struct soft_key_template_definition softKeyTemplateDefinition[32];
633 };
634
635 #define SOFT_KEY_SET_RES_MESSAGE 0x0109
636
637 struct soft_key_set_definition {
638 uint8_t softKeyTemplateIndex[16];
639 uint16_t softKeyInfoIndex[16];
640 };
641
642 struct soft_key_set_res_message {
643 uint32_t softKeySetOffset;
644 uint32_t softKeySetCount;
645 uint32_t totalSoftKeySetCount;
646 struct soft_key_set_definition softKeySetDefinition[16];
647 uint32_t res;
648 };
649
650 #define SELECT_SOFT_KEYS_MESSAGE 0x0110
651 struct select_soft_keys_message {
652 uint32_t instance;
653 uint32_t reference;
654 uint32_t softKeySetIndex;
655 uint32_t validKeyMask;
656 };
657
658 #define CALL_STATE_MESSAGE 0x0111
659 struct call_state_message {
660 uint32_t callState;
661 uint32_t lineInstance;
662 uint32_t callReference;
663 };
664
665 #define DISPLAY_PROMPT_STATUS_MESSAGE 0x0112
666 struct display_prompt_status_message {
667 uint32_t messageTimeout;
668 char promptMessage[32];
669 uint32_t lineInstance;
670 uint32_t callReference;
671 };
672
673 #define DISPLAY_NOTIFY_MESSAGE 0x0114
674 struct display_notify_message {
675 uint32_t displayTimeout;
676 char displayMessage[100];
677 };
678
679 #define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
680 struct activate_call_plane_message {
681 uint32_t lineInstance;
682 };
683
684 #define DIALED_NUMBER_MESSAGE 0x011D
685 struct dialed_number_message {
686 char dialedNumber[24];
687 uint32_t lineInstance;
688 uint32_t callReference;
689 };
690
691 union skinny_data {
692 struct alarm_message alarm;
693 struct speed_dial_stat_req_message speeddialreq;
694 struct register_message reg;
695 struct register_ack_message regack;
696 struct register_rej_message regrej;
697 struct capabilities_res_message caps;
698 struct version_res_message version;
699 struct button_template_res_message buttontemplate;
700 struct displaytext_message displaytext;
701 struct display_prompt_status_message displaypromptstatus;
702 struct definetimedate_message definetimedate;
703 struct start_tone_message starttone;
704 struct speed_dial_stat_res_message speeddial;
705 struct line_state_req_message line;
706 struct line_stat_res_message linestat;
707 struct soft_key_set_res_message softkeysets;
708 struct soft_key_template_res_message softkeytemplate;
709 struct server_res_message serverres;
710 struct reset_message reset;
711 struct set_lamp_message setlamp;
712 struct set_ringer_message setringer;
713 struct call_state_message callstate;
714 struct keypad_button_message keypad;
715 struct select_soft_keys_message selectsoftkey;
716 struct activate_call_plane_message activatecallplane;
717 struct stimulus_message stimulus;
718 struct offhook_message offhook;
719 struct onhook_message onhook;
720 struct set_speaker_message setspeaker;
721 struct set_microphone_message setmicrophone;
722 struct call_info_message callinfo;
723 struct start_media_transmission_message startmedia;
724 struct stop_media_transmission_message stopmedia;
725 struct open_receive_channel_message openreceivechannel;
726 struct open_receive_channel_ack_message openreceivechannelack;
727 struct close_receive_channel_message closereceivechannel;
728 struct display_notify_message displaynotify;
729 struct dialed_number_message dialednumber;
730 struct soft_key_event_message softkeyeventmessage;
731 };
732
733 /* packet composition */
734 struct skinny_req {
735 int len;
736 int res;
737 int e;
738 union skinny_data data;
739 };
740
741 /* XXX This is the combined size of the variables above. (len, res, e)
742 If more are added, this MUST change.
743 (sizeof(skinny_req) - sizeof(skinny_data)) DOES NOT WORK on all systems (amd64?). */
744 int skinny_header_size = 12;
745
746 /*****************************
747 * Asterisk specific globals *
748 *****************************/
749
750 static int skinnydebug = 0;
751
752 /* a hostname, portnumber, socket and such is usefull for VoIP protocols */
753 static struct sockaddr_in bindaddr;
754 static char ourhost[256];
755 static int ourport;
756 static struct in_addr __ourip;
757 struct ast_hostent ahp;
758 struct hostent *hp;
759 static int skinnysock = -1;
760 static pthread_t accept_t;
761 static char context[AST_MAX_CONTEXT] = "default";
762 static char language[MAX_LANGUAGE] = "";
763 static char mohinterpret[MAX_MUSICCLASS] = "default";
764 static char mohsuggest[MAX_MUSICCLASS] = "";
765 static char cid_num[AST_MAX_EXTENSION] = "";
766 static char cid_name[AST_MAX_EXTENSION] = "";
767 static char linelabel[AST_MAX_EXTENSION] ="";
768 static int nat = 0;
769 static ast_group_t cur_callergroup = 0;
770 static ast_group_t cur_pickupgroup = 0;
771 static int immediate = 0;
772 static int callwaiting = 0;
773 static int callreturn = 0;
774 static int threewaycalling = 0;
775 static int mwiblink = 0;
776 /* This is for flashhook transfers */
777 static int transfer = 0;
778 static int cancallforward = 0;
779 /* static int busycount = 3;*/
780 static char accountcode[AST_MAX_ACCOUNT_CODE] = "";
781 static char mailbox[AST_MAX_EXTENSION];
782 static int amaflags = 0;
783 static int callnums = 1;
784
785 #define SKINNY_DEVICE_UNKNOWN -1
786 #define SKINNY_DEVICE_NONE 0
787 #define SKINNY_DEVICE_30SPPLUS 1
788 #define SKINNY_DEVICE_12SPPLUS 2
789 #define SKINNY_DEVICE_12SP 3
790 #define SKINNY_DEVICE_12 4
791 #define SKINNY_DEVICE_30VIP 5
792 #define SKINNY_DEVICE_7910 6
793 #define SKINNY_DEVICE_7960 7
794 #define SKINNY_DEVICE_7940 8
795 #define SKINNY_DEVICE_7935 9
796 #define SKINNY_DEVICE_ATA186 12 /* Cisco ATA-186 */
797 #define SKINNY_DEVICE_7941 115
798 #define SKINNY_DEVICE_7971 119
799 #define SKINNY_DEVICE_7985 302
800 #define SKINNY_DEVICE_7911 307
801 #define SKINNY_DEVICE_7961GE 308
802 #define SKINNY_DEVICE_7941GE 309
803 #define SKINNY_DEVICE_7905 20000
804 #define SKINNY_DEVICE_7920 30002
805 #define SKINNY_DEVICE_7970 30006
806 #define SKINNY_DEVICE_7912 30007
807 #define SKINNY_DEVICE_7902 30008
808 #define SKINNY_DEVICE_CIPC 30016 /* Cisco IP Communicator */
809 #define SKINNY_DEVICE_7961 30018
810 #define SKINNY_DEVICE_7936 30019
811 #define SKINNY_DEVICE_SCCPGATEWAY_AN 30027 /* ??? */
812 #define SKINNY_DEVICE_SCCPGATEWAY_BRI 30028 /* ??? */
813
814 #define SKINNY_SPEAKERON 1
815 #define SKINNY_SPEAKEROFF 2
816
817 #define SKINNY_MICON 1
818 #define SKINNY_MICOFF 2
819
820 #define SKINNY_OFFHOOK 1
821 #define SKINNY_ONHOOK 2
822 #define SKINNY_RINGOUT 3
823 #define SKINNY_RINGIN 4
824 #define SKINNY_CONNECTED 5
825 #define SKINNY_BUSY 6
826 #define SKINNY_CONGESTION 7
827 #define SKINNY_HOLD 8
828 #define SKINNY_CALLWAIT 9
829 #define SKINNY_TRANSFER 10
830 #define SKINNY_PARK 11
831 #define SKINNY_PROGRESS 12
832 #define SKINNY_INVALID 14
833
834 #define SKINNY_SILENCE 0x00
835 #define SKINNY_DIALTONE 0x21
836 #define SKINNY_BUSYTONE 0x23
837 #define SKINNY_ALERT 0x24
838 #define SKINNY_REORDER 0x25
839 #define SKINNY_CALLWAITTONE 0x2D
840 #define SKINNY_NOTONE 0x7F
841
842 #define SKINNY_LAMP_OFF 1
843 #define SKINNY_LAMP_ON 2
844 #define SKINNY_LAMP_WINK 3
845 #define SKINNY_LAMP_FLASH 4
846 #define SKINNY_LAMP_BLINK 5
847
848 #define SKINNY_RING_OFF 1
849 #define SKINNY_RING_INSIDE 2
850 #define SKINNY_RING_OUTSIDE 3
851 #define SKINNY_RING_FEATURE 4
852
853 #define TYPE_TRUNK 1
854 #define TYPE_LINE 2
855
856 /* Skinny rtp stream modes. Do we really need this? */
857 #define SKINNY_CX_SENDONLY 0
858 #define SKINNY_CX_RECVONLY 1
859 #define SKINNY_CX_SENDRECV 2
860 #define SKINNY_CX_CONF 3
861 #define SKINNY_CX_CONFERENCE 3
862 #define SKINNY_CX_MUTE 4
863 #define SKINNY_CX_INACTIVE 4
864
865 #if 0
866 static char *skinny_cxmodes[] = {
867 "sendonly",
868 "recvonly",
869 "sendrecv",
870 "confrnce",
871 "inactive"
872 };
873 #endif
874
875 /* driver scheduler */
876 static struct sched_context *sched;
877 static struct io_context *io;
878
879 /* Protect the monitoring thread, so only one process can kill or start it, and not
880 when it's doing something critical. */
881 AST_MUTEX_DEFINE_STATIC(monlock);
882 /* Protect the network socket */
883 AST_MUTEX_DEFINE_STATIC(netlock);
884 /* Protect the session list */
885 AST_MUTEX_DEFINE_STATIC(sessionlock);
886 /* Protect the device list */
887 AST_MUTEX_DEFINE_STATIC(devicelock);
888 #if 0
889 /* Protect the paging device list */
890 AST_MUTEX_DEFINE_STATIC(pagingdevicelock);
891 #endif
892
893 /* This is the thread for the monitor which checks for input on the channels
894 which are not currently in use. */
895 static pthread_t monitor_thread = AST_PTHREADT_NULL;
896
897 /* Wait up to 16 seconds for first digit */
898 static int firstdigittimeout = 16000;
899
900 /* How long to wait for following digits */
901 static int gendigittimeout = 8000;
902
903 /* How long to wait for an extra digit, if there is an ambiguous match */
904 static int matchdigittimeout = 3000;
905
906 struct skinny_subchannel {
907 ast_mutex_t lock;
908 struct ast_channel *owner;
909 struct ast_rtp *rtp;
910 struct ast_rtp *vrtp;
911 unsigned int callid;
912 /* time_t lastouttime; */ /* Unused */
913 int progress;
914 int ringing;
915 int onhold;
916 /* int lastout; */ /* Unused */
917 int cxmode;
918 int nat;
919 int outgoing;
920 int alreadygone;
921
922 struct skinny_subchannel *next;
923 struct skinny_line *parent;
924 };
925
926 struct skinny_line {
927 ast_mutex_t lock;
928 char name[80];
929 char label[42]; /* Label that shows next to the line buttons */
930 char accountcode[AST_MAX_ACCOUNT_CODE];
931 char exten[AST_MAX_EXTENSION]; /* Extension where to start */
932 char context[AST_MAX_CONTEXT];
933 char language[MAX_LANGUAGE];
934 char cid_num[AST_MAX_EXTENSION]; /* Caller*ID */
935 char cid_name[AST_MAX_EXTENSION]; /* Caller*ID */
936 char lastcallerid[AST_MAX_EXTENSION]; /* Last Caller*ID */
937 char call_forward[AST_MAX_EXTENSION];
938 char mailbox[AST_MAX_EXTENSION];
939 char mohinterpret[MAX_MUSICCLASS];
940 char mohsuggest[MAX_MUSICCLASS];
941 char lastnumberdialed[AST_MAX_EXTENSION]; /* Last number that was dialed - used for redial */
942 int curtone; /* Current tone being played */
943 ast_group_t callgroup;
944 ast_group_t pickupgroup;
945 int callwaiting;
946 int transfer;
947 int threewaycalling;
948 int mwiblink;
949 int cancallforward;
950 int callreturn;
951 int dnd; /* How does this affect callwait? Do we just deny a skinny_request if we're dnd? */
952 int hascallerid;
953 int hidecallerid;
954 int amaflags;
955 int type;
956 int instance;
957 int group;
958 int needdestroy;
959 int capability;
960 int nonCodecCapability;
961 int onhooktime;
962 int msgstate; /* voicemail message state */
963 int immediate;
964 int hookstate;
965 int nat;
966
967 struct ast_codec_pref prefs;
968 struct skinny_subchannel *sub;
969 struct skinny_line *next;
970 struct skinny_device *parent;
971 };
972
973 struct skinny_speeddial {
974 ast_mutex_t lock;
975 char label[42];
976 char exten[AST_MAX_EXTENSION];
977 int instance;
978
979 struct skinny_speeddial *next;
980 struct skinny_device *parent;
981 };
982
983 struct skinny_addon {
984 ast_mutex_t lock;
985 char type[10];
986
987 struct skinny_addon *next;
988 struct skinny_device *parent;
989 };
990
991 static struct skinny_device {
992 /* A device containing one or more lines */
993 char name[80];
994 char id[16];
995 char version_id[16];
996 int type;
997 int registered;
998 int lastlineinstance;
999 int lastcallreference;
1000 int capability;
1001 struct sockaddr_in addr;
1002 struct in_addr ourip;
1003 struct skinny_line *lines;
1004 struct skinny_speeddial *speeddials;
1005 struct skinny_addon *addons;
1006 struct ast_codec_pref prefs;
1007 struct ast_ha *ha;
1008 struct skinnysession *session;
1009 struct skinny_device *next;
1010 } *devices = NULL;
1011
1012 struct skinny_paging_device {
1013 char name[80];
1014 char id[16];
1015 struct skinny_device ** devices;
1016 struct skinny_paging_device *next;
1017 };
1018
1019 static struct skinnysession {
1020 pthread_t t;
1021 ast_mutex_t lock;
1022 struct sockaddr_in sin;
1023 int fd;
1024 char inbuf[SKINNY_MAX_PACKET];
1025 char outbuf[SKINNY_MAX_PACKET];
1026 struct skinny_device *device;
1027 struct skinnysession *next;
1028 } *sessions = NULL;
1029
1030 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
1031 static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
1032 static int skinny_hangup(struct ast_channel *ast);
1033 static int skinny_answer(struct ast_channel *ast);
1034 static struct ast_frame *skinny_read(struct ast_channel *ast);
1035 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
1036 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
1037 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
1038 static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
1039 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
1040
1041 static const struct ast_channel_tech skinny_tech = {
1042 .type = "Skinny",
1043 .description = tdesc,
1044 .capabilities = ((AST_FORMAT_MAX_AUDIO << 1) - 1),
1045 .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
1046 .requester = skinny_request,
1047 .call = skinny_call,
1048 .hangup = skinny_hangup,
1049 .answer = skinny_answer,
1050 .read = skinny_read,
1051 .write = skinny_write,
1052 .indicate = skinny_indicate,
1053 .fixup = skinny_fixup,
1054 .send_digit_begin = skinny_senddigit_begin,
1055 .send_digit_end = skinny_senddigit_end,
1056 /* .bridge = ast_rtp_bridge, */
1057 };
1058
1059 static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
1060 {
1061 struct skinny_device *d = s->device;
1062 struct skinny_addon *a = d->addons;
1063 int i;
1064
1065 switch (d->type) {
1066 case SKINNY_DEVICE_30SPPLUS:
1067 case SKINNY_DEVICE_30VIP:
1068 /* 13 rows, 2 columns */
1069 for (i = 0; i < 4; i++)
1070 (btn++)->buttonDefinition = BT_LINE;
1071 (btn++)->buttonDefinition = BT_REDIAL;
1072 (btn++)->buttonDefinition = BT_VOICEMAIL;
1073 (btn++)->buttonDefinition = BT_CALLPARK;
1074 (btn++)->buttonDefinition = BT_FORWARDALL;
1075 (btn++)->buttonDefinition = BT_CONFERENCE;
1076 for (i = 0; i < 4; i++)
1077 (btn++)->buttonDefinition = BT_NONE;
1078 for (i = 0; i < 13; i++)
1079 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1080
1081 break;
1082 case SKINNY_DEVICE_12SPPLUS:
1083 case SKINNY_DEVICE_12SP:
1084 case SKINNY_DEVICE_12:
1085 /* 6 rows, 2 columns */
1086 for (i = 0; i < 2; i++)
1087 (btn++)->buttonDefinition = BT_LINE;
1088 (btn++)->buttonDefinition = BT_REDIAL;
1089 for (i = 0; i < 3; i++)
1090 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1091 (btn++)->buttonDefinition = BT_HOLD;
1092 (btn++)->buttonDefinition = BT_TRANSFER;
1093 (btn++)->buttonDefinition = BT_FORWARDALL;
1094 (btn++)->buttonDefinition = BT_CALLPARK;
1095 (btn++)->buttonDefinition = BT_VOICEMAIL;
1096 (btn++)->buttonDefinition = BT_CONFERENCE;
1097 break;
1098 case SKINNY_DEVICE_7910:
1099 (btn++)->buttonDefinition = BT_LINE;
1100 (btn++)->buttonDefinition = BT_HOLD;
1101 (btn++)->buttonDefinition = BT_TRANSFER;
1102 (btn++)->buttonDefinition = BT_DISPLAY;
1103 (btn++)->buttonDefinition = BT_VOICEMAIL;
1104 (btn++)->buttonDefinition = BT_CONFERENCE;
1105 (btn++)->buttonDefinition = BT_FORWARDALL;
1106 for (i = 0; i < 2; i++)
1107 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1108 (btn++)->buttonDefinition = BT_REDIAL;
1109 break;
1110 case SKINNY_DEVICE_7960:
1111 case SKINNY_DEVICE_7961:
1112 case SKINNY_DEVICE_7961GE:
1113 for (i = 0; i < 6; i++)
1114 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1115 break;
1116 case SKINNY_DEVICE_7940:
1117 case SKINNY_DEVICE_7941:
1118 case SKINNY_DEVICE_7941GE:
1119 for (i = 0; i < 2; i++)
1120 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1121 break;
1122 case SKINNY_DEVICE_7935:
1123 case SKINNY_DEVICE_7936:
1124 for (i = 0; i < 2; i++)
1125 (btn++)->buttonDefinition = BT_LINE;
1126 break;
1127 case SKINNY_DEVICE_ATA186:
1128 (btn++)->buttonDefinition = BT_LINE;
1129 break;
1130 case SKINNY_DEVICE_7970:
1131 case SKINNY_DEVICE_7971:
1132 case SKINNY_DEVICE_CIPC:
1133 for (i = 0; i < 8; i++)
1134 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1135 break;
1136 case SKINNY_DEVICE_7985:
1137 /* XXX I have no idea what the buttons look like on these. */
1138 ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
1139 break;
1140 case SKINNY_DEVICE_7912:
1141 case SKINNY_DEVICE_7911:
1142 case SKINNY_DEVICE_7905:
1143 (btn++)->buttonDefinition = BT_LINE;
1144 (btn++)->buttonDefinition = BT_HOLD;
1145 break;
1146 case SKINNY_DEVICE_7920:
1147 /* XXX I don't know if this is right. */
1148 for (i = 0; i < 4; i++)
1149 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1150 break;
1151 case SKINNY_DEVICE_7902:
1152 ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
1153 break;
1154 case SKINNY_DEVICE_SCCPGATEWAY_AN:
1155 case SKINNY_DEVICE_SCCPGATEWAY_BRI:
1156 ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
1157 break;
1158 default:
1159 ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
1160 break;
1161 }
1162
1163 for (a = d->addons; a; a = a->next) {
1164 if (!strcasecmp(a->type, "7914")) {
1165 for (i = 0; i < 14; i++)
1166 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1167 } else {
1168 ast_log(LOG_WARNING, "Unknown addon type '%s' found. Skipping.\n", a->type);
1169 }
1170 }
1171
1172 return btn;
1173 }
1174
1175 static struct skinny_req *req_alloc(size_t size, int response_message)
1176 {
1177 struct skinny_req *req;
1178
1179 if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
1180 return NULL;
1181
1182 req->len = htolel(size+4);
1183 req->e = htolel(response_message);
1184
1185 return req;
1186 }
1187
1188 static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
1189 {
1190 struct skinny_line *l;
1191
1192 for (l = d->lines; l; l = l->next) {
1193 if (l->instance == instance)
1194 break;
1195 }
1196
1197 if (!l) {
1198 ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
1199 }
1200 return l;
1201 }
1202
1203 static struct skinny_line *find_line_by_name(const char *dest)
1204 {
1205 struct skinny_line *l;
1206 struct skinny_device *d;
1207 char line[256];
1208 char *at;
1209 char *device;
1210
1211 ast_copy_string(line, dest, sizeof(line));
1212 at = strchr(line, '@');
1213 if (!at) {
1214 ast_log(LOG_NOTICE, "Device '%s' has no @ (at) sign!\n", dest);
1215 return NULL;
1216 }
1217 *at++ = '\0';
1218 device = at;
1219 ast_mutex_lock(&devicelock);
1220 for (d = devices; d; d = d->next) {
1221 if (!strcasecmp(d->name, device)) {
1222 if (skinnydebug)
1223 ast_verbose("Found device: %s\n", d->name);
1224 /* Found the device */
1225 for (l = d->lines; l; l = l->next) {
1226 /* Search for the right line */
1227 if (!strcasecmp(l->name, line)) {
1228 ast_mutex_unlock(&devicelock);
1229 return l;
1230 }
1231 }
1232 }
1233 }
1234 /* Device not found */
1235 ast_mutex_unlock(&devicelock);
1236 return NULL;
1237 }
1238
1239 /* It's quicker/easier to find the subchannel when we know the instance number too */
1240 static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
1241 {
1242 struct skinny_line *l = find_line_by_instance(d, instance);
1243 struct skinny_subchannel *sub;
1244
1245 if (!l) {
1246 return NULL;
1247 }
1248
1249 for (sub = l->sub; sub; sub = sub->next) {
1250 if (sub->callid == reference)
1251 break;
1252 }
1253
1254 if (!sub) {
1255 ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
1256 }
1257 return sub;
1258 }
1259
1260 /* Find the subchannel when we only have the callid - this shouldn't happen often */
1261 static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
1262 {
1263 struct skinny_line *l;
1264 struct skinny_subchannel *sub = NULL;
1265
1266 for (l = d->lines; l; l = l->next) {
1267 for (sub = l->sub; sub; sub = sub->next) {
1268 if (sub->callid == reference)
1269 break;
1270 }
1271 if (sub)
1272 break;
1273 }
1274
1275 if (!l) {
1276 ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
1277 } else {
1278 if (!sub) {
1279 ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
1280 }
1281 }
1282 return sub;
1283 }
1284
1285 static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance)
1286 {
1287 struct skinny_speeddial *sd;
1288
1289 for (sd = d->speeddials; sd; sd = sd->next) {
1290 if (sd->instance == instance)
1291 break;
1292 }
1293
1294 if (!sd) {
1295 ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
1296 }
1297 return sd;
1298 }
1299
1300 static int codec_skinny2ast(enum skinny_codecs skinnycodec)
1301 {
1302 switch (skinnycodec) {
1303 case SKINNY_CODEC_ALAW:
1304 return AST_FORMAT_ALAW;
1305 case SKINNY_CODEC_ULAW:
1306 return AST_FORMAT_ULAW;
1307 case SKINNY_CODEC_G723_1:
1308 return AST_FORMAT_G723_1;
1309 case SKINNY_CODEC_G729A:
1310 return AST_FORMAT_G729A;
1311 case SKINNY_CODEC_G726_32:
1312 return AST_FORMAT_G726_AAL2; /* XXX Is this right? */
1313 case SKINNY_CODEC_H261:
1314 return AST_FORMAT_H261;
1315 case SKINNY_CODEC_H263:
1316 return AST_FORMAT_H263;
1317 default:
1318 return 0;
1319 }
1320 }
1321
1322 static int codec_ast2skinny(int astcodec)
1323 {
1324 switch (astcodec) {
1325 case AST_FORMAT_ALAW:
1326 return SKINNY_CODEC_ALAW;
1327 case AST_FORMAT_ULAW:
1328 return SKINNY_CODEC_ULAW;
1329 case AST_FORMAT_G723_1:
1330 return SKINNY_CODEC_G723_1;
1331 case AST_FORMAT_G729A:
1332 return SKINNY_CODEC_G729A;
1333 case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
1334 return SKINNY_CODEC_G726_32;
1335 case AST_FORMAT_H261:
1336 return SKINNY_CODEC_H261;
1337 case AST_FORMAT_H263:
1338 return SKINNY_CODEC_H263;
1339 default:
1340 return 0;
1341 }
1342 }
1343
1344
1345 static int skinny_register(struct skinny_req *req, struct skinnysession *s)
1346 {
1347 struct skinny_device *d;
1348 struct sockaddr_in sin;
1349 socklen_t slen;
1350
1351 ast_mutex_lock(&devicelock);
1352 for (d = devices; d; d = d->next) {
1353 if (!strcasecmp(req->data.reg.name, d->id)
1354 && ast_apply_ha(d->ha, &(s->sin))) {
1355 s->device = d;
1356 d->type = letohl(req->data.reg.type);
1357 if (ast_strlen_zero(d->version_id)) {
1358 ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
1359 }
1360 d->registered = 1;
1361 d->session = s;
1362
1363 slen = sizeof(sin);
1364 if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
1365 ast_log(LOG_WARNING, "Cannot get socket name\n");
1366 sin.sin_addr = __ourip;
1367 }
1368 d->ourip = sin.sin_addr;
1369 break;
1370 }
1371 }
1372 ast_mutex_unlock(&devicelock);
1373 if (!d) {
1374 return 0;
1375 }
1376 return 1;
1377 }
1378
1379 static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
1380 {
1381 struct skinny_device *d;
1382
1383 d = s->device;
1384
1385 if (d) {
1386 d->session = NULL;
1387 d->registered = 0;
1388 }
1389
1390 return -1; /* main loop will destroy the session */
1391 }
1392
1393 static int transmit_response(struct skinnysession *s, struct skinny_req *req)
1394 {
1395 int res = 0;
1396
1397 if (!s) {
1398 ast_log(LOG_WARNING, "Asked to transmit to a non-existant session!\n");
1399 return -1;
1400 }
1401
1402 ast_mutex_lock(&s->lock);
1403
1404 if (skinnydebug)
1405 ast_log(LOG_VERBOSE, "writing packet type %04X (%d bytes) to socket %d\n", letohl(req->e), letohl(req->len)+8, s->fd);
1406
1407 if (letohl(req->len > SKINNY_MAX_PACKET) || letohl(req->len < 0)) {
1408 ast_log(LOG_WARNING, "transmit_response: the length of the request is out of bounds\n");
1409 return -1;
1410 }
1411
1412 memset(s->outbuf,0,sizeof(s->outbuf));
1413 memcpy(s->outbuf, req, skinny_header_size);
1414 memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
1415
1416 res = write(s->fd, s->outbuf, letohl(req->len)+8);
1417
1418 if (res != letohl(req->len)+8) {
1419 ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
1420 if (res == -1) {
1421 if (skinnydebug)
1422 ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
1423 skinny_unregister(NULL, s);
1424 }
1425
1426 }
1427
1428 ast_mutex_unlock(&s->lock);
1429 return 1;
1430 }
1431
1432 static void transmit_speaker_mode(struct skinnysession *s, int mode)
1433 {
1434 struct skinny_req *req;
1435
1436 if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
1437 return;
1438
1439 req->data.setspeaker.mode = htolel(mode);
1440 transmit_response(s, req);
1441 }
1442 /*
1443 static void transmit_microphone_mode(struct skinnysession *s, int mode)
1444 {
1445 struct skinny_req *req;
1446
1447 if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
1448 return;
1449
1450 req->data.setmicrophone.mode = htolel(mode);
1451 transmit_response(s, req);
1452 }
1453 */
1454 static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
1455 {
1456 struct skinny_req *req;
1457
1458 if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
1459 return;
1460
1461 if (state == SKINNY_ONHOOK) {
1462 transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
1463 }
1464 req->data.callstate.callState = htolel(state);
1465 req->data.callstate.lineInstance = htolel(instance);
1466 req->data.callstate.callReference = htolel(callid);
1467 transmit_response(s, req);
1468 if (state == SKINNY_OFFHOOK) {
1469 if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
1470 return;
1471
1472 req->data.activatecallplane.lineInstance = htolel(instance);
1473 transmit_response(s, req);
1474 } else if (state == SKINNY_ONHOOK) {
1475 if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
1476 return;
1477
1478 req->data.activatecallplane.lineInstance = htolel(instance);
1479 transmit_response(s, req);
1480
1481 if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
1482 return;
1483
1484 req->data.closereceivechannel.conferenceId = 0;
1485 req->data.closereceivechannel.partyId = htolel(callid);
1486 transmit_response(s, req);
1487
1488 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
1489 return;
1490
1491 req->data.stopmedia.conferenceId = 0;
1492 req->data.stopmedia.passThruPartyId = htolel(callid);
1493 transmit_response(s, req);
1494 }
1495 }
1496
1497 static void transmit_callinfo(struct skinnysession *s, const char *fromname, const char *fromnum, const char *toname, const char *tonum, int instance, int callid, int calltype)
1498 {
1499 struct skinny_req *req;
1500
1501 if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
1502 return;
1503
1504 if (skinnydebug)
1505 ast_verbose("Setting Callinfo to %s(%s) from %s(%s) on %s(%d)\n", fromname, fromnum, toname, tonum, s->device->name, instance);
1506
1507 if (fromname) {
1508 ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
1509 }
1510 if (fromnum) {
1511 ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
1512 }
1513 if (toname) {
1514 ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
1515 }
1516 if (tonum) {
1517 ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
1518 }
1519 req->data.callinfo.instance = htolel(instance);
1520 req->data.callinfo.reference = htolel(callid);
1521 req->data.callinfo.type = htolel(calltype);
1522 transmit_response(s, req);
1523 }
1524
1525 static void transmit_connect(struct skinnysession *s, struct skinny_subchannel *sub)
1526 {
1527 struct skinny_req *req;
1528 struct skinny_line *l = sub->parent;
1529 struct ast_format_list fmt;
1530
1531 if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
1532 return;
1533
1534 fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
1535
1536 req->data.openreceivechannel.conferenceId = htolel(0);
1537 req->data.openreceivechannel.partyId = htolel(sub->callid);
1538 req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
1539 req->data.openreceivechannel.capability = htolel(codec_ast2skinny(fmt.bits));
1540 req->data.openreceivechannel.echo = htolel(0);
1541 req->data.openreceivechannel.bitrate = htolel(0);
1542 transmit_response(s, req);
1543 }
1544
1545 static void transmit_tone(struct skinnysession *s, int tone)
1546 {
1547 struct skinny_req *req;
1548
1549 if (tone == SKINNY_NOTONE) {
1550 /* This is bad, mmm'kay? */
1551 return;
1552 }
1553
1554 if (tone > 0) {
1555 if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
1556 return;
1557 } else {
1558 if (!(req = req_alloc(0, STOP_TONE_MESSAGE)))
1559 return;
1560 }
1561
1562 if (tone > 0) {
1563 req->data.starttone.tone = htolel(tone);
1564 }
1565 transmit_response(s, req);
1566 }
1567
1568 static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
1569 {
1570 struct skinny_req *req;
1571
1572 if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
1573 return;
1574
1575 req->data.selectsoftkey.instance = htolel(instance);
1576 req->data.selectsoftkey.reference = htolel(callid);
1577 req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
1578 req->data.selectsoftkey.validKeyMask = htolel(0xFFFFFFFF);
1579 transmit_response(s, req);
1580 }
1581
1582 static void transmit_lamp_indication(struct skinnysession *s, int stimulus, int instance, int indication)
1583 {
1584 struct skinny_req *req;
1585
1586 if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
1587 return;
1588
1589 req->data.setlamp.stimulus = htolel(stimulus);
1590 req->data.setlamp.stimulusInstance = htolel(instance);
1591 req->data.setlamp.deviceStimulus = htolel(indication);
1592 transmit_response(s, req);
1593 }
1594
1595 static void transmit_ringer_mode(struct skinnysession *s, int mode)
1596 {
1597 struct skinny_req *req;
1598
1599 if (skinnydebug)
1600 ast_verbose("Setting ringer mode to '%d'.\n", mode);
1601
1602 if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
1603 return;
1604
1605 req->data.setringer.ringerMode = htolel(mode);
1606 /* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
1607 Note: The phone will always show as ringing on the display.
1608
1609 1: phone will audibly ring over and over
1610 2: phone will audibly ring only once
1611 any other value, will NOT cause the phone to audibly ring
1612 */
1613 req->data.setringer.unknown1 = htolel(1);
1614 /* XXX the value here doesn't seem to change anything. Must be higher than 0.
1615 Perhaps a packet capture can shed some light on this. */
1616 req->data.setringer.unknown2 = htolel(1);
1617 transmit_response(s, req);
1618 }
1619
1620 static void transmit_displaymessage(struct skinnysession *s, const char *text)
1621 {
1622 struct skinny_req *req;
1623
1624 if (text == 0) {
1625 if (!(req = req_alloc(0, CLEAR_DISPLAY_MESSAGE)))
1626 return;
1627
1628 if (skinnydebug)
1629 ast_verbose("Clearing Display\n");
1630 } else {
1631 if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
1632 return;
1633
1634 ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
1635 if (skinnydebug)
1636 ast_verbose("Displaying message '%s'\n", req->data.displaytext.text);
1637 }
1638
1639 transmit_response(s, req);
1640 }
1641
1642 static void transmit_displaynotify(struct skinnysession *s, const char *text, int t)
1643 {
1644 struct skinny_req *req;
1645
1646 if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
1647 return;
1648
1649 ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
1650 req->data.displaynotify.displayTimeout = htolel(t);
1651
1652 if (skinnydebug)
1653 ast_verbose("Displaying notify '%s'\n", text);
1654
1655 transmit_response(s, req);
1656 }
1657
1658 static void transmit_displaypromptstatus(struct skinnysession *s, const char *text, int t, int instance, int callid)
1659 {
1660 struct skinny_req *req;
1661
1662 if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
1663 return;
1664
1665 ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
1666 req->data.displaypromptstatus.messageTimeout = htolel(t);
1667 req->data.displaypromptstatus.lineInstance = htolel(instance);
1668 req->data.displaypromptstatus.callReference = htolel(callid);
1669
1670 if (skinnydebug)
1671 ast_verbose("Displaying Prompt Status '%s'\n", text);
1672
1673 transmit_response(s, req);
1674 }
1675
1676 static void transmit_dialednumber(struct skinnysession *s, const char *text, int instance, int callid)
1677 {
1678 struct skinny_req *req;
1679
1680 if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
1681 return;
1682
1683 ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
1684 req->data.dialednumber.lineInstance = htolel(instance);
1685 req->data.dialednumber.callReference = htolel(callid);
1686
1687 transmit_response(s, req);
1688 }
1689
1690 /*
1691 static int has_voicemail(struct skinny_line *l)
1692 {
1693 return ast_app_has_voicemail(l->mailbox, NULL);
1694 }
1695 */
1696
1697 static void do_housekeeping(struct skinnysession *s)
1698 {
1699 /*
1700 int new;
1701 int old;
1702 struct skinny_device *d = s->device;
1703 struct skinny_line *l;
1704 */
1705
1706 transmit_displaymessage(s, NULL);
1707
1708 /*
1709 for (l = d->lines; l; l = l->next) {
1710 if (has_voicemail(l)) {
1711 if (skinnydebug)
1712 ast_verbose("Checking for voicemail Skinny %s@%s\n", l->name, d->name);
1713 ast_app_inboxcount(l->mailbox, &new, &old);
1714 if (skinnydebug)
1715 ast_verbose("Skinny %s@%s has voicemail!\n", l->name, d->name);
1716 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, l->mwiblink?SKINNY_LAMP_BLINK:SKINNY_LAMP_ON);
1717 } else {
1718 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, SKINNY_LAMP_OFF);
1719 }
1720 }
1721 */
1722 }
1723
1724 /* I do not believe skinny can deal with video.
1725 Anyone know differently? */
1726 /* Yes, it can. Currently 7985 and Cisco VT Advantage do video. */
1727 static enum ast_rtp_get_result skinny_get_vrtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
1728 {
1729 struct skinny_subchannel *sub = NULL;
1730
1731 if (!(sub = c->tech_pvt) || !(sub->vrtp))
1732 return AST_RTP_GET_FAILED;
1733
1734 *rtp = sub->vrtp;
1735
1736 return AST_RTP_TRY_NATIVE;
1737 }
1738
1739 static enum ast_rtp_get_result skinny_get_rtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
1740 {
1741 struct skinny_subchannel *sub = NULL;
1742
1743 if (!(sub = c->tech_pvt) || !(sub->rtp))
1744 return AST_RTP_GET_FAILED;
1745
1746 *rtp = sub->rtp;
1747
1748 return AST_RTP_TRY_NATIVE;
1749 }
1750
1751 static int skinny_set_rtp_peer(struct ast_channel *c, struct ast_rtp *rtp, struct ast_rtp *vrtp, int codecs, int nat_active)
1752 {
1753 struct skinny_subchannel *sub;
1754 sub = c->tech_pvt;
1755 if (sub) {
1756 /* transmit_modify_with_sdp(sub, rtp); @@FIXME@@ if needed */
1757 return 0;
1758 }
1759 return -1;
1760 }
1761
1762 static struct ast_rtp_protocol skinny_rtp = {
1763 .type = "Skinny",
1764 .get_rtp_info = skinny_get_rtp_peer,
1765 .get_vrtp_info = skinny_get_vrtp_peer,
1766 .set_rtp_peer = skinny_set_rtp_peer,
1767 };
1768
1769 static int skinny_do_debug(int fd, int argc, char *argv[])
1770 {
1771 if (argc != 3) {
1772 return RESULT_SHOWUSAGE;
1773 }
1774 skinnydebug = 1;
1775 ast_cli(fd, "Skinny Debugging Enabled\n");
1776 return RESULT_SUCCESS;
1777 }
1778
1779 static int skinny_no_debug(int fd, int argc, char *argv[])
1780 {
1781 if (argc != 4) {
1782 return RESULT_SHOWUSAGE;
1783 }
1784 skinnydebug = 0;
1785 ast_cli(fd, "Skinny Debugging Disabled\n");
1786 return RESULT_SUCCESS;
1787 }
1788
1789 static char *complete_skinny_reset(const char *line, const char *word, int pos, int state)
1790 {
1791 struct skinny_device *d;
1792
1793 char *result = NULL;
1794 int wordlen = strlen(word);
1795 int which = 0;
1796
1797 if (pos == 2) {
1798 for (d = devices; d && !result; d = d->next) {
1799 if (!strncasecmp(word, d->id, wordlen) && ++which > state)
1800 result = ast_strdup(d->id);
1801 }
1802 }
1803
1804 return result;
1805 }
1806
1807 static int skinny_reset_device(int fd, int argc, char *argv[])
1808 {
1809 struct skinny_device *d;
1810 struct skinny_req *req;
1811
1812 if (argc < 3 || argc > 4) {
1813 return RESULT_SHOWUSAGE;
1814 }
1815 ast_mutex_lock(&devicelock);
1816
1817 for (d = devices; d; d = d->next) {
1818 int fullrestart = 0;
1819 if (!strcasecmp(argv[2], d->id) || !strcasecmp(argv[2], "all")) {
1820 if (!(d->session))
1821 continue;
1822
1823 if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
1824 continue;
1825
1826 if (argc == 4 && !strcasecmp(argv[3], "restart"))
1827 fullrestart = 1;
1828
1829 if (fullrestart)
1830 req->data.reset.resetType = 2;
1831 else
1832 req->data.reset.resetType = 1;
1833
1834 if (option_verbose > 2)
1835 ast_verbose(VERBOSE_PREFIX_3 "%s device %s.\n", (fullrestart) ? "Restarting" : "Resetting", d->id);
1836 transmit_response(d->session, req);
1837 }
1838 }
1839 ast_mutex_unlock(&devicelock);
1840 return RESULT_SUCCESS;
1841 }
1842
1843 static char *device2str(int type)
1844 {
1845 char *tmp;
1846
1847 switch (type) {
1848 case SKINNY_DEVICE_NONE:
1849 return "No Device";
1850 case SKINNY_DEVICE_30SPPLUS:
1851 return "30SP Plus";
1852 case SKINNY_DEVICE_12SPPLUS:
1853 return "12SP Plus";
1854 case SKINNY_DEVICE_12SP:
1855 return "12SP";
1856 case SKINNY_DEVICE_12:
1857 return "12";
1858 case SKINNY_DEVICE_30VIP:
1859 return "30VIP";
1860 case SKINNY_DEVICE_7910:
1861 return "7910";
1862 case SKINNY_DEVICE_7960:
1863 return "7960";
1864 case SKINNY_DEVICE_7940:
1865 return "7940";
1866 case SKINNY_DEVICE_7935:
1867 return "7935";
1868 case SKINNY_DEVICE_ATA186:
1869 return "ATA186";
1870 case SKINNY_DEVICE_7941:
1871 return "7941";
1872 case SKINNY_DEVICE_7971:
1873 return "7971";
1874 case SKINNY_DEVICE_7985:
1875 return "7985";
1876 case SKINNY_DEVICE_7911:
1877 return "7911";
1878 case SKINNY_DEVICE_7961GE:
1879 return "7961GE";
1880 case SKINNY_DEVICE_7941GE:
1881 return "7941GE";
1882 case SKINNY_DEVICE_7905:
1883 return "7905";
1884 case SKINNY_DEVICE_7920:
1885 return "7920";
1886 case SKINNY_DEVICE_7970:
1887 return "7970";
1888 case SKINNY_DEVICE_7912:
1889 return "7912";
1890 case SKINNY_DEVICE_7902:
1891 return "7902";
1892 case SKINNY_DEVICE_CIPC:
1893 return "IP Communicator";
1894 case SKINNY_DEVICE_7961:
1895 return "7961";
1896 case SKINNY_DEVICE_7936:
1897 return "7936";
1898 case SKINNY_DEVICE_SCCPGATEWAY_AN:
1899 return "SCCPGATEWAY_AN";
1900 case SKINNY_DEVICE_SCCPGATEWAY_BRI:
1901 return "SCCPGATEWAY_BRI";
1902 case SKINNY_DEVICE_UNKNOWN:
1903 return "Unknown";
1904 default:
1905 if (!(tmp = ast_threadstorage_get(&device2str_threadbuf, DEVICE2STR_BUFSIZE)))
1906 return "Unknown";
1907 snprintf(tmp, DEVICE2STR_BUFSIZE, "UNKNOWN-%d", type);
1908 return tmp;
1909 }
1910 }
1911
1912 static int skinny_show_devices(int fd, int argc, char *argv[])
1913 {
1914 struct skinny_device *d;
1915 struct skinny_line *l;
1916 int numlines = 0;
1917
1918 if (argc != 3) {
1919 return RESULT_SHOWUSAGE;
1920 }
1921 ast_mutex_lock(&devicelock);
1922
1923 ast_cli(fd, "Name DeviceId IP Type R NL\n");
1924 ast_cli(fd, "-------------------- ---------------- --------------- --------------- - --\n");
1925 for (d = devices; d; d = d->next) {
1926 numlines = 0;
1927 for (l = d->lines; l; l = l->next) {
1928 numlines++;
1929 }
1930
1931 ast_cli(fd, "%-20s %-16s %-15s %-15s %c %2d\n",
1932 d->name,
1933 d->id,
1934 d->session?ast_inet_ntoa(d->session->sin.sin_addr):"",
1935 device2str(d->type),
1936 d->registered?'Y':'N',
1937 numlines);
1938 }
1939 ast_mutex_unlock(&devicelock);
1940 return RESULT_SUCCESS;
1941 }
1942
1943 static int skinny_show_lines(int fd, int argc, char *argv[])
1944 {
1945 struct skinny_device *d;
1946 struct skinny_line *l;
1947
1948 if (argc != 3) {
1949 return RESULT_SHOWUSAGE;
1950 }
1951 ast_mutex_lock(&devicelock);
1952
1953 ast_cli(fd, "Device Name Instance Name Label \n");
1954 ast_cli(fd, "-------------------- -------- -------------------- --------------------\n");
1955 for (d = devices; d; d = d->next) {
1956 for (l = d->lines; l; l = l->next) {
1957 ast_cli(fd, "%-20s %8d %-20s %-20s\n",
1958 d->name,
1959 l->instance,
1960 l->name,
1961 l->label);
1962 }
1963 }
1964
1965 ast_mutex_unlock(&devicelock);
1966 return RESULT_SUCCESS;
1967 }
1968
1969 static char show_devices_usage[] =
1970 "Usage: skinny show devices\n"
1971 " Lists all devices known to the Skinny subsystem.\n";
1972
1973 static char show_lines_usage[] =
1974 "Usage: skinny show lines\n"
1975 " Lists all lines known to the Skinny subsystem.\n";
1976
1977 static char debug_usage[] =
1978 "Usage: skinny set debug\n"
1979 " Enables dumping of Skinny packets for debugging purposes\n";
1980
1981 static char no_debug_usage[] =
1982 "Usage: skinny set debug off\n"
1983 " Disables dumping of Skinny packets for debugging purposes\n";
1984
1985 static char reset_usage[] =
1986 "Usage: skinny reset <DeviceId|all> [restart]\n"
1987 " Causes a Skinny device to reset itself, optionally with a full restart\n";
1988
1989 static struct ast_cli_entry cli_skinny[] = {
1990 { { "skinny", "show", "devices", NULL },
1991 skinny_show_devices, "List defined Skinny devices",
1992 show_devices_usage },
1993
1994 { { "skinny", "show", "lines", NULL },
1995 skinny_show_lines, "List defined Skinny lines per device",
1996 show_lines_usage },
1997
1998 { { "skinny", "set", "debug", NULL },
1999 skinny_do_debug, "Enable Skinny debugging",
2000 debug_usage },
2001
2002 { { "skinny", "set", "debug", "off", NULL },
2003 skinny_no_debug, "Disable Skinny debugging",
2004 no_debug_usage },
2005
2006 { { "skinny", "reset", NULL },
2007 skinny_reset_device, "Reset Skinny device(s)",
2008 reset_usage, complete_skinny_reset },
2009 };
2010
2011 #if 0
2012 static struct skinny_paging_device *build_paging_device(const char *cat, struct ast_variable *v)
2013 {
2014 return NULL;
2015 }
2016 #endif
2017
2018 static struct skinny_device *build_device(const char *cat, struct ast_variable *v)
2019 {
2020 struct skinny_device *d;
2021 struct skinny_line *l;
2022 struct skinny_speeddial *sd;
2023 struct skinny_addon *a;
2024 int lineInstance = 1;
2025 int speeddialInstance = 1;
2026 int y = 0;
2027
2028 if (!(d = ast_calloc(1, sizeof(struct skinny_device)))) {
2029 return NULL;
2030 } else {
2031 ast_copy_string(d->name, cat, sizeof(d->name));
2032 d->lastlineinstance = 1;
2033 d->capability = default_capability;
2034 d->prefs = default_prefs;
2035 while(v) {
2036 if (!strcasecmp(v->name, "host")) {
2037 if (ast_get_ip(&d->addr, v->value)) {
2038 free(d);
2039 return NULL;
2040 }
2041 } else if (!strcasecmp(v->name, "port")) {
2042 d->addr.sin_port = htons(atoi(v->value));
2043 } else if (!strcasecmp(v->name, "device")) {
2044 ast_copy_string(d->id, v->value, sizeof(d->id));
2045 } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
2046 d->ha = ast_append_ha(v->name, v->value, d->ha);
2047 } else if (!strcasecmp(v->name, "context")) {
2048 ast_copy_string(context, v->value, sizeof(context));
2049 } else if (!strcasecmp(v->name, "allow")) {
2050 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 1);
2051 } else if (!strcasecmp(v->name, "disallow")) {
2052 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 0);
2053 } else if (!strcasecmp(v->name, "version")) {
2054 ast_copy_string(d->version_id, v->value, sizeof(d->version_id));
2055 } else if (!strcasecmp(v->name, "nat")) {
2056 nat = ast_true(v->value);
2057 } else if (!strcasecmp(v->name, "callerid")) {
2058 if (!strcasecmp(v->value, "asreceived")) {
2059 cid_num[0] = '\0';
2060 cid_name[0] = '\0';
2061 } else {
2062 ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
2063 }
2064 } else if (!strcasecmp(v->name, "language")) {
2065 ast_copy_string(language, v->value, sizeof(language));
2066 } else if (!strcasecmp(v->name, "accountcode")) {
2067 ast_copy_string(accountcode, v->value, sizeof(accountcode));
2068 } else if (!strcasecmp(v->name, "amaflags")) {
2069 y = ast_cdr_amaflags2int(v->value);
2070 if (y < 0) {
2071 ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
2072 } else {
2073 amaflags = y;
2074 }
2075 } else if (!strcasecmp(v->name, "mohinterpret") || !strcasecmp(v->name, "musiconhold")) {
2076 ast_copy_string(mohinterpret, v->value, sizeof(mohinterpret));
2077 } else if (!strcasecmp(v->name, "mohsuggest")) {
2078 ast_copy_string(mohsuggest, v->value, sizeof(mohsuggest));
2079 } else if (!strcasecmp(v->name, "callgroup")) {
2080 cur_callergroup = ast_get_group(v->value);
2081 } else if (!strcasecmp(v->name, "pickupgroup")) {
2082 cur_pickupgroup = ast_get_group(v->value);
2083 } else if (!strcasecmp(v->name, "immediate")) {
2084 immediate = ast_true(v->value);
2085 } else if (!strcasecmp(v->name, "cancallforward")) {
2086 cancallforward = ast_true(v->value);
2087 } else if (!strcasecmp(v->name, "mailbox")) {
2088 ast_copy_string(mailbox, v->value, sizeof(mailbox));
2089 } else if (!strcasecmp(v->name, "callreturn")) {
2090 callreturn = ast_true(v->value);
2091 } else if (!strcasecmp(v->name, "callwaiting")) {
2092 callwaiting = ast_true(v->value);
2093 } else if (!strcasecmp(v->name, "transfer")) {
2094 transfer = ast_true(v->value);
2095 } else if (!strcasecmp(v->name, "threewaycalling")) {
2096 threewaycalling = ast_true(v->value);
2097 } else if (!strcasecmp(v->name, "mwiblink")) {
2098 mwiblink = ast_true(v->value);
2099 } else if (!strcasecmp(v->name, "linelabel")) {
2100 ast_copy_string(linelabel, v->value, sizeof(linelabel));
2101 } else if (!strcasecmp(v->name, "speeddial")) {
2102 if (!(sd = ast_calloc(1, sizeof(struct skinny_speeddial)))) {
2103 return NULL;
2104 } else {
2105 char *stringp, *exten, *label;
2106 stringp = v->value;
2107 exten = strsep(&stringp, ",");
2108 label = strsep(&stringp, ",");
2109 ast_mutex_init(&sd->lock);
2110 ast_copy_string(sd->exten, exten, sizeof(sd->exten));
2111 if (label)
2112 ast_copy_string(sd->label, label, sizeof(sd->label));
2113 else
2114 ast_copy_string(sd->label, exten, sizeof(sd->label));
2115 sd->instance = speeddialInstance++;
2116
2117 sd->parent = d;
2118
2119 sd->next = d->speeddials;
2120 d->speeddials = sd;
2121 }
2122 } else if (!strcasecmp(v->name, "addon")) {
2123 if (!(a = ast_calloc(1, sizeof(struct skinny_addon)))) {
2124 return NULL;
2125 } else {
2126 ast_mutex_init(&a->lock);
2127 ast_copy_string(a->type, v->value, sizeof(a->type));
2128
2129 a->next = d->addons;
2130 d->addons = a;
2131 }
2132 } else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
2133 if (!(l = ast_calloc(1, sizeof(struct skinny_line)))) {
2134 return NULL;
2135 } else {
2136 ast_mutex_init(&l->lock);
2137 ast_copy_string(l->name, v->value, sizeof(l->name));
2138
2139 /* XXX Should we check for uniqueness?? XXX */
2140 ast_copy_string(l->context, context, sizeof(l->context));
2141 ast_copy_string(l->cid_num, cid_num, sizeof(l->cid_num));
2142 ast_copy_string(l->cid_name, cid_name, sizeof(l->cid_name));
2143 ast_copy_string(l->label, linelabel, sizeof(l->label));
2144 ast_copy_string(l->language, language, sizeof(l->language));
2145 ast_copy_string(l->mohinterpret, mohinterpret, sizeof(l->mohinterpret));
2146 ast_copy_string(l->mohsuggest, mohsuggest, sizeof(l->mohsuggest));
2147 ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
2148 ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
2149 if (!ast_strlen_zero(mailbox)) {
2150 if (option_verbose > 2)
2151 ast_verbose(VERBOSE_PREFIX_3 "Setting mailbox '%s' on %s@%s\n", mailbox, d->name, l->name);
2152 }
2153 l->msgstate = -1;
2154 l->capability = d->capability;
2155 l->prefs = d->prefs;
2156 l->parent = d;
2157 if (!strcasecmp(v->name, "trunk")) {
2158 l->type = TYPE_TRUNK;
2159 } else {
2160 l->type = TYPE_LINE;
2161 }
2162 l->immediate = immediate;
2163 l->callgroup = cur_callergroup;
2164 l->pickupgroup = cur_pickupgroup;
2165 l->callreturn = callreturn;
2166 l->cancallforward = cancallforward;
2167 l->callwaiting = callwaiting;
2168 l->transfer = transfer;
2169 l->threewaycalling = threewaycalling;
2170 l->mwiblink = mwiblink;
2171 l->onhooktime = time(NULL);
2172 l->instance = lineInstance++;
2173 /* ASSUME we're onhook at this point */
2174 l->hookstate = SKINNY_ONHOOK;
2175 l->nat = nat;
2176
2177 l->next = d->lines;
2178 d->lines = l;
2179 }
2180 } else {
2181 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
2182 }
2183 v = v->next;
2184 }
2185
2186 if (!d->lines) {
2187 ast_log(LOG_ERROR, "A Skinny device must have at least one line!\n");
2188 return NULL;
2189 }
2190 if (/*d->addr.sin_addr.s_addr && */!ntohs(d->addr.sin_port)) {
2191 d->addr.sin_port = htons(DEFAULT_SKINNY_PORT);
2192 }
2193 #if 0
2194 /* I don't think we need this anymore at all, since d->ourip is set in skinny_register now */
2195 if (d->addr.sin_addr.s_addr) {
2196 /* XXX See note above, in 'host' option. */
2197 if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
2198 d->ourip = __ourip;
2199 }
2200 } else {
2201 d->ourip = __ourip;
2202 }
2203 #endif
2204 }
2205 return d;
2206 }
2207
2208 static void start_rtp(struct skinny_subchannel *sub)
2209 {
2210 struct skinny_line *l = sub->parent;
2211 struct skinny_device *d = l->parent;
2212 int hasvideo = 0;
2213
2214 ast_mutex_lock(&sub->lock);
2215 /* Allocate the RTP */
2216 sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
2217 if (hasvideo)
2218 sub->vrtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
2219
2220 if (sub->rtp && sub->owner) {
2221 sub->owner->fds[0] = ast_rtp_fd(sub->rtp);
2222 sub->owner->fds[1] = ast_rtcp_fd(sub->rtp);
2223 }
2224 if (hasvideo && sub->vrtp && sub->owner) {
2225 sub->owner->fds[2] = ast_rtp_fd(sub->vrtp);
2226 sub->owner->fds[3] = ast_rtcp_fd(sub->vrtp);
2227 }
2228 if (sub->rtp) {
2229 ast_rtp_setnat(sub->rtp, l->nat);
2230 }
2231 if (sub->vrtp) {
2232 ast_rtp_setnat(sub->vrtp, l->nat);
2233 }
2234 /* Set Frame packetization */
2235 if (sub->rtp)
2236 ast_rtp_codec_setpref(sub->rtp, &l->prefs);
2237
2238 /* Create the RTP connection */
2239 transmit_connect(d->session, sub);
2240 ast_mutex_unlock(&sub->lock);
2241 }
2242
2243 static void *skinny_newcall(void *data)
2244 {
2245 struct ast_channel *c = data;
2246 struct skinny_subchannel *sub = c->tech_pvt;
2247 struct skinny_line *l = sub->parent;
2248 struct skinny_device *d = l->parent;
2249 struct skinnysession *s = d->session;
2250 int res = 0;
2251
2252 ast_copy_string(l->lastnumberdialed, c->exten, sizeof(l->lastnumberdialed));
2253 ast_set_callerid(c,
2254 l->hidecallerid ? "" : l->cid_num,
2255 l->hidecallerid ? "" : l->cid_name,
2256 c->cid.cid_ani ? NULL : l->cid_num);
2257 ast_setstate(c, AST_STATE_RING);
2258 res = ast_pbx_run(c);
2259 if (res) {
2260 ast_log(LOG_WARNING, "PBX exited non-zero\n");
2261 transmit_tone(s, SKINNY_REORDER);
2262 }
2263 return NULL;
2264 }
2265
2266 static void *skinny_ss(void *data)
2267 {
2268 struct ast_channel *c = data;
2269 struct skinny_subchannel *sub = c->tech_pvt;
2270 struct skinny_line *l = sub->parent;
2271 struct skinny_device *d = l->parent;
2272 struct skinnysession *s = d->session;
2273 char exten[AST_MAX_EXTENSION] = "";
2274 int len = 0;
2275 int timeout = firstdigittimeout;
2276 int res;
2277 int getforward=0;
2278
2279 if (option_verbose > 2)
2280 ast_verbose( VERBOSE_PREFIX_3 "Starting simple switch on '%s@%s'\n", l->name, d->name);
2281
2282 while (len < AST_MAX_EXTENSION-1) {
2283 res = ast_waitfordigit(c, timeout);
2284 timeout = 0;
2285 if (res < 0) {
2286 if (skinnydebug)
2287 ast_verbose("Skinny(%s@%s): waitfordigit returned < 0\n", l->name, d->name);
2288 ast_indicate(c, -1);
2289 ast_hangup(c);
2290 return NULL;
2291 } else if (res) {
2292 exten[len++]=res;
2293 exten[len] = '\0';
2294 }
2295 if (!ast_ignore_pattern(c->context, exten)) {
2296 transmit_tone(s, SKINNY_SILENCE);
2297 }
2298 if (ast_exists_extension(c, c->context, exten, 1, l->cid_num)) {
2299 if (!res || !ast_matchmore_extension(c, c->context, exten, 1, l->cid_num)) {
2300 if (getforward) {
2301 /* Record this as the forwarding extension */
2302 ast_copy_string(l->call_forward, exten, sizeof(l->call_forward));
2303 if (option_verbose > 2)
2304 ast_verbose(VERBOSE_PREFIX_3 "Setting call forward to '%s' on channel %s\n",
2305 l->call_forward, c->name);
2306 transmit_tone(s, SKINNY_DIALTONE);
2307 if (res) {
2308 break;
2309 }
2310 ast_safe_sleep(c, 500);
2311 ast_indicate(c, -1);
2312 ast_safe_sleep(c, 1000);
2313 memset(exten, 0, sizeof(exten));
2314 transmit_tone(s, SKINNY_DIALTONE);
2315 len = 0;
2316 getforward = 0;
2317 } else {
2318 ast_copy_string(c->exten, exten, sizeof(c->exten));
2319 ast_copy_string(l->lastnumberdialed, exten, sizeof(l->lastnumberdialed));
2320 skinny_newcall(c);
2321 return NULL;
2322 }
2323 } else {
2324 /* It's a match, but they just typed a digit, and there is an ambiguous match,
2325 so just set the timeout to matchdigittimeout and wait some more */
2326 timeout = matchdigittimeout;
2327 }
2328 } else if (res == 0) {
2329 ast_log(LOG_DEBUG, "Not enough digits (and no ambiguous match)...\n");
2330 transmit_tone(s, SKINNY_REORDER);
2331 ast_hangup(c);
2332 return NULL;
2333 } else if (!ast_canmatch_extension(c, c->context, exten, 1, c->cid.cid_num) &&
2334 ((exten[0] != '*') || (!ast_strlen_zero(exten) > 2))) {
2335 ast_log(LOG_WARNING, "Can't match [%s] from '%s' in context %s\n", exten, c->cid.cid_num ? c->cid.cid_num : "<Unknown Caller>", c->context);
2336 transmit_tone(s, SKINNY_REORDER);
2337 /* hang out for 3 seconds to let congestion play */
2338 ast_safe_sleep(c, 3000);
2339 break;
2340 }
2341 if (!timeout) {
2342 timeout = gendigittimeout;
2343 }
2344 if (len && !ast_ignore_pattern(c->context, exten)) {
2345 ast_indicate(c, -1);
2346 }
2347 }
2348 ast_hangup(c);
2349 return NULL;
2350 }
2351
2352
2353
2354 static int skinny_call(struct ast_channel *ast, char *dest, int timeout)
2355 {
2356 int res = 0;
2357 int tone = 0;
2358 struct skinny_subchannel *sub = ast->tech_pvt;
2359 struct skinny_line *l = sub->parent;
2360 struct skinny_device *d = l->parent;
2361 struct skinnysession *s = d->session;
2362
2363 if (!d->registered) {
2364 ast_log(LOG_ERROR, "Device not registered, cannot call %s\n", dest);
2365 return -1;
2366 }
2367
2368 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
2369 ast_log(LOG_WARNING, "skinny_call called on %s, neither down nor reserved\n", ast->name);
2370 return -1;
2371 }
2372
2373 if (skinnydebug)
2374 ast_verbose(VERBOSE_PREFIX_3 "skinny_call(%s)\n", ast->name);
2375
2376 if (l->dnd) {
2377 ast_queue_control(ast, AST_CONTROL_BUSY);
2378 return -1;
2379 }
2380
2381 switch (l->hookstate) {
2382 case SKINNY_OFFHOOK:
2383 tone = SKINNY_CALLWAITTONE;
2384 break;
2385 case SKINNY_ONHOOK:
2386 tone = SKINNY_ALERT;
2387 break;
2388 default:
2389 ast_log(LOG_ERROR, "Don't know how to deal with hookstate %d\n", l->hookstate);
2390 break;
2391 }
2392
2393 transmit_callstate(s, l->instance, SKINNY_RINGIN, sub->callid);
2394 transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGIN);
2395 transmit_displaypromptstatus(s, "Ring-In", 0, l->instance, sub->callid);
2396 transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, l->cid_name, l->cid_num, l->instance, sub->callid, 1);
2397 transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
2398 transmit_ringer_mode(s, SKINNY_RING_INSIDE);
2399
2400 ast_setstate(ast, AST_STATE_RINGING);
2401 ast_queue_control(ast, AST_CONTROL_RINGING);
2402 sub->outgoing = 1;
2403 return res;
2404 }
2405
2406 static int skinny_hangup(struct ast_channel *ast)
2407 {
2408 struct skinny_subchannel *sub = ast->tech_pvt;
2409 struct skinny_line *l;
2410 struct skinny_device *d;
2411 struct skinnysession *s;
2412
2413 if (!sub) {
2414 ast_log(LOG_DEBUG, "Asked to hangup channel not connected\n");
2415 return 0;
2416 }
2417 l = sub->parent;
2418 d = l->parent;
2419 s = d->session;
2420 if (skinnydebug)
2421 ast_verbose("skinny_hangup(%s) on %s@%s\n", ast->name, l->name, d->name);
2422
2423 if (d->registered) {
2424 if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_OFFHOOK)) {
2425 l->hookstate = SKINNY_ONHOOK;
2426 transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
2427 transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
2428 transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
2429 } else if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_ONHOOK)) {
2430 transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
2431 transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
2432 transmit_ringer_mode(s, SKINNY_RING_OFF);
2433 transmit_tone(s, SKINNY_SILENCE);
2434 transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
2435 do_housekeeping(s);
2436 }
2437 }
2438 ast_mutex_lock(&sub->lock);
2439 sub->owner = NULL;
2440 ast->tech_pvt = NULL;
2441 sub->alreadygone = 0;
2442 sub->outgoing = 0;
2443 if (sub->rtp) {
2444 ast_rtp_destroy(sub->rtp);
2445 sub->rtp = NULL;
2446 }
2447 ast_mutex_unlock(&sub->lock);
2448 return 0;
2449 }
2450
2451 static int skinny_answer(struct ast_channel *ast)
2452 {
2453 int res = 0;
2454 struct skinny_subchannel *sub = ast->tech_pvt;
2455 struct skinny_line *l = sub->parent;
2456 struct skinny_device *d = l->parent;
2457 struct skinnysession *s = d->session;
2458
2459 sub->cxmode = SKINNY_CX_SENDRECV;
2460 if (!sub->rtp) {
2461 start_rtp(sub);
2462 }
2463 if (skinnydebug)
2464 ast_verbose("skinny_answer(%s) on %s@%s-%d\n", ast->name, l->name, d->name, sub->callid);
2465 if (ast->_state != AST_STATE_UP) {
2466 ast_setstate(ast, AST_STATE_UP);
2467 }
2468
2469 transmit_tone(s, SKINNY_SILENCE);
2470 /* order matters here...
2471 for some reason, transmit_callinfo must be before transmit_callstate,
2472 or you won't get keypad messages in some situations. */
2473 transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, ast->exten, ast->exten, l->instance, sub->callid, 2);
2474 transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
2475 transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
2476 transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
2477 return res;
2478 }
2479
2480 /* Retrieve audio/etc from channel. Assumes sub->lock is already held. */
2481 static struct ast_frame *skinny_rtp_read(struct skinny_subchannel *sub)
2482 {
2483 struct ast_channel *ast = sub->owner;
2484 struct ast_frame *f;
2485
2486 if (!sub->rtp) {
2487 /* We have no RTP allocated for this channel */
2488 return &ast_null_frame;
2489 }
2490
2491 switch(ast->fdno) {
2492 case 0:
2493 f = ast_rtp_read(sub->rtp); /* RTP Audio */
2494 break;
2495 case 1:
2496 f = ast_rtcp_read(sub->rtp); /* RTCP Control Channel */
2497 break;
2498 case 2:
2499 f = ast_rtp_read(sub->vrtp); /* RTP Video */
2500 break;
2501 case 3:
2502 f = ast_rtcp_read(sub->vrtp); /* RTCP Control Channel for video */
2503 break;
2504 #if 0
2505 case 5:
2506 /* Not yet supported */
2507 f = ast_udptl_read(sub->udptl); /* UDPTL for T.38 */
2508 break;
2509 #endif
2510 default:
2511 f = &ast_null_frame;
2512 }
2513
2514 if (ast) {
2515 /* We already hold the channel lock */
2516 if (f->frametype == AST_FRAME_VOICE) {
2517 if (f->subclass != ast->nativeformats) {
2518 ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass);
2519 ast->nativeformats = f->subclass;
2520 ast_set_read_format(ast, ast->readformat);
2521 ast_set_write_format(ast, ast->writeformat);
2522 }
2523 }
2524 }
2525 return f;
2526 }
2527
2528 static struct ast_frame *skinny_read(struct ast_channel *ast)
2529 {
2530 struct ast_frame *fr;
2531 struct skinny_subchannel *sub = ast->tech_pvt;
2532 ast_mutex_lock(&sub->lock);
2533 fr = skinny_rtp_read(sub);
2534 ast_mutex_unlock(&sub->lock);
2535 return fr;
2536 }
2537
2538 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame)
2539 {
2540 struct skinny_subchannel *sub = ast->tech_pvt;
2541 int res = 0;
2542 if (frame->frametype != AST_FRAME_VOICE) {
2543 if (frame->frametype == AST_FRAME_IMAGE) {
2544 return 0;
2545 } else {
2546 ast_log(LOG_WARNING, "Can't send %d type frames with skinny_write\n", frame->frametype);
2547 return 0;
2548 }
2549 } else {
2550 if (!(frame->subclass & ast->nativeformats)) {
2551 ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
2552 frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat);
2553 return -1;
2554 }
2555 }
2556 if (sub) {
2557 ast_mutex_lock(&sub->lock);
2558 if (sub->rtp) {
2559 res = ast_rtp_write(sub->rtp, frame);
2560 }
2561 ast_mutex_unlock(&sub->lock);
2562 }
2563 return res;
2564 }
2565
2566 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
2567 {
2568 struct skinny_subchannel *sub = newchan->tech_pvt;
2569 ast_log(LOG_NOTICE, "skinny_fixup(%s, %s)\n", oldchan->name, newchan->name);
2570 if (sub->owner != oldchan) {
2571 ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner);
2572 return -1;
2573 }
2574 sub->owner = newchan;
2575 return 0;
2576 }
2577
2578 static int skinny_senddigit_begin(struct ast_channel *ast, char digit)
2579 {
2580 return -1; /* Start inband indications */
2581 }
2582
2583 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
2584 {
2585 #if 0
2586 struct skinny_subchannel *sub = ast->tech_pvt;
2587 struct skinny_line *l = sub->parent;
2588 struct skinny_device *d = l->parent;
2589 int tmp;
2590 /* not right */
2591 sprintf(tmp, "%d", digit);
2592 transmit_tone(d->session, digit);
2593 #endif
2594 return -1; /* Stop inband indications */
2595 }
2596
2597 static char *control2str(int ind) {
2598 char *tmp;
2599
2600 switch (ind) {
2601 case AST_CONTROL_HANGUP:
2602 return "Other end has hungup";
2603 case AST_CONTROL_RING:
2604 return "Local ring";
2605 case AST_CONTROL_RINGING:
2606 return "Remote end is ringing";
2607 case AST_CONTROL_ANSWER:
2608 return "Remote end has answered";
2609 case AST_CONTROL_BUSY:
2610 return "Remote end is busy";
2611 case AST_CONTROL_TAKEOFFHOOK:
2612 return "Make it go off hook";
2613 case AST_CONTROL_OFFHOOK:
2614 return "Line is off hook";
2615 case AST_CONTROL_CONGESTION:
2616 return "Congestion (circuits busy)";
2617 case AST_CONTROL_FLASH:
2618 return "Flash hook";
2619 case AST_CONTROL_WINK:
2620 return "Wink";
2621 case AST_CONTROL_OPTION:
2622 return "Set a low-level option";
2623 case AST_CONTROL_RADIO_KEY:
2624 return "Key Radio";
2625 case AST_CONTROL_RADIO_UNKEY:
2626 return "Un-Key Radio";
2627 case AST_CONTROL_PROGRESS:
2628 return "Remote end is making Progress";
2629 case AST_CONTROL_PROCEEDING:
2630 return "Remote end is proceeding";
2631 case AST_CONTROL_HOLD:
2632 return "Hold";
2633 case AST_CONTROL_UNHOLD:
2634 return "Unhold";
2635 case -1:
2636 return "Stop tone";
2637 default:
2638 if (!(tmp = ast_threadstorage_get(&control2str_threadbuf, CONTROL2STR_BUFSIZE)))
2639 return "Unknown";
2640 snprintf(tmp, CONTROL2STR_BUFSIZE, "UNKNOWN-%d", ind);
2641 return tmp;
2642 }
2643 }
2644
2645
2646 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen)
2647 {
2648 struct skinny_subchannel *sub = ast->tech_pvt;
2649 struct skinny_line *l = sub->parent;
2650 struct skinny_device *d = l->parent;
2651 struct skinnysession *s = d->session;
2652
2653 if (skinnydebug)
2654 ast_verbose(VERBOSE_PREFIX_3 "Asked to indicate '%s' condition on channel %s\n", control2str(ind), ast->name);
2655 switch(ind) {
2656 case AST_CONTROL_RINGING:
2657 if (ast->_state != AST_STATE_UP) {
2658 if (!sub->progress) {
2659 transmit_tone(s, SKINNY_ALERT);
2660 transmit_callstate(s, l->instance, SKINNY_RINGOUT, sub->callid);
2661 transmit_dialednumber(s, ast->exten, l->instance, sub->callid);
2662 transmit_displaypromptstatus(s, "Ring Out", 0, l->instance, sub->callid);
2663 transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, ast->exten, ast->exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
2664 sub->ringing = 1;
2665 break;
2666 }
2667 }
2668 return -1;
2669 case AST_CONTROL_BUSY:
2670 if (ast->_state != AST_STATE_UP) {
2671 transmit_tone(s, SKINNY_BUSYTONE);
2672 transmit_callstate(s, l->instance, SKINNY_BUSY, sub->callid);
2673 sub->alreadygone = 1;
2674 ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
2675 break;
2676 }
2677 return -1;
2678 case AST_CONTROL_CONGESTION:
2679 if (ast->_state != AST_STATE_UP) {
2680 transmit_tone(s, SKINNY_REORDER);
2681 transmit_callstate(s, l->instance, SKINNY_CONGESTION, sub->callid);
2682 sub->alreadygone = 1;
2683 ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
2684 break;
2685 }
2686 return -1;
2687 case AST_CONTROL_PROGRESS:
2688 if ((ast->_state != AST_STATE_UP) && !sub->progress && !sub->outgoing) {
2689 transmit_tone(s, SKINNY_ALERT);
2690 transmit_callstate(s, l->instance, SKINNY_PROGRESS, sub->callid);
2691 transmit_displaypromptstatus(s, "Call Progress", 0, l->instance, sub->callid);
2692 transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, ast->exten, ast->exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
2693 sub->progress = 1;
2694 break;
2695 }
2696 return -1;
2697 case -1:
2698 transmit_tone(s, SKINNY_SILENCE);
2699 break;
2700 case AST_CONTROL_HOLD:
2701 ast_moh_start(ast, data, l->mohinterpret);
2702 break;
2703 case AST_CONTROL_UNHOLD:
2704 ast_moh_stop(ast);
2705 break;
2706 case AST_CONTROL_PROCEEDING:
2707 break;
2708 default:
2709 ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind);
2710 return -1;
2711 }
2712 return 0;
2713 }
2714
2715 static struct ast_channel *skinny_new(struct skinny_line *l, int state)
2716 {
2717 struct ast_channel *tmp;
2718 struct skinny_subchannel *sub;
2719 struct skinny_device *d = l->parent;
2720 int fmt;
2721
2722 tmp = ast_channel_alloc(1, state, l->cid_num, l->cid_name, l->accountcode, l->exten, l->context, l->amaflags, "Skinny/%s@%s-%d", l->name, d->name, callnums);
2723 if (!tmp) {
2724 ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
2725 return NULL;
2726 } else {
2727 sub = ast_calloc(1, sizeof(struct skinny_subchannel));
2728 if (!sub) {
2729 ast_log(LOG_WARNING, "Unable to allocate Skinny subchannel\n");
2730 return NULL;
2731 } else {
2732 ast_mutex_init(&sub->lock);
2733
2734 sub->owner = tmp;
2735 sub->callid = callnums++;
2736 d->lastlineinstance = l->instance;
2737 d->lastcallreference = sub->callid;
2738 sub->cxmode = SKINNY_CX_INACTIVE;
2739 sub->nat = l->nat;
2740 sub->parent = l;
2741 sub->onhold = 0;
2742
2743 sub->next = l->sub;
2744 l->sub = sub;
2745 }
2746 tmp->tech = &skinny_tech;
2747 tmp->tech_pvt = sub;
2748 tmp->nativeformats = l->capability;
2749 if (!tmp->nativeformats)
2750 tmp->nativeformats = default_capability;
2751 fmt = ast_best_codec(tmp->nativeformats);
2752 if (skinnydebug)
2753 ast_verbose("skinny_new: tmp->nativeformats=%d fmt=%d\n", tmp->nativeformats, fmt);
2754 if (sub->rtp) {
2755 tmp->fds[0] = ast_rtp_fd(sub->rtp);
2756 }
2757 if (state == AST_STATE_RING) {
2758 tmp->rings = 1;
2759 }
2760 tmp->writeformat = fmt;
2761 tmp->rawwriteformat = fmt;
2762 tmp->readformat = fmt;
2763 tmp->rawreadformat = fmt;
2764 if (!ast_strlen_zero(l->language))
2765 ast_string_field_set(tmp, language, l->language);
2766 if (!ast_strlen_zero(l->accountcode))
2767 ast_string_field_set(tmp, accountcode, l->accountcode);
2768 if (l->amaflags)
2769 tmp->amaflags = l->amaflags;
2770
2771 ast_module_ref(ast_module_info->self);
2772 tmp->callgroup = l->callgroup;
2773 tmp->pickupgroup = l->pickupgroup;
2774 ast_string_field_set(tmp, call_forward, l->call_forward);
2775 ast_copy_string(tmp->context, l->context, sizeof(tmp->context));
2776 ast_copy_string(tmp->exten, l->exten, sizeof(tmp->exten));
2777
2778 /* Don't use ast_set_callerid() here because it will
2779 * generate a needless NewCallerID event */
2780 tmp->cid.cid_num = ast_strdup(l->cid_num);
2781 tmp->cid.cid_ani = ast_strdup(l->cid_num);
2782 tmp->cid.cid_name = ast_strdup(l->cid_name);
2783
2784 tmp->priority = 1;
2785 tmp->adsicpe = AST_ADSI_UNAVAILABLE;
2786
2787 if (sub->rtp)
2788 ast_jb_configure(tmp, &global_jbconf);
2789
2790 if (state != AST_STATE_DOWN) {
2791 if (ast_pbx_start(tmp)) {
2792 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
2793 ast_hangup(tmp);
2794 tmp = NULL;
2795 }
2796 }
2797 }
2798 return tmp;
2799 }
2800
2801 static int skinny_hold(struct skinny_subchannel *sub)
2802 {
2803 struct skinny_line *l = sub->parent;
2804 struct skinny_device *d = l->parent;
2805 struct skinnysession *s = d->session;
2806 struct skinny_req *req;
2807
2808 /* Channel needs to be put on hold */
2809 if (skinnydebug)
2810 ast_verbose("Putting on Hold(%d)\n", l->instance);
2811
2812 ast_queue_control_data(sub->owner, AST_CONTROL_HOLD,
2813 S_OR(l->mohsuggest, NULL),
2814 !ast_strlen_zero(l->mohsuggest) ? strlen(l->mohsuggest) + 1 : 0);
2815
2816 if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
2817 return 0;
2818
2819 req->data.activatecallplane.lineInstance = htolel(l->instance);
2820 transmit_response(s, req);
2821
2822 if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
2823 return 0;
2824
2825 req->data.closereceivechannel.conferenceId = htolel(0);
2826 req->data.closereceivechannel.partyId = htolel(sub->callid);
2827 transmit_response(s, req);
2828
2829 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2830 return 0;
2831
2832 req->data.stopmedia.conferenceId = htolel(0);
2833 req->data.stopmedia.passThruPartyId = htolel(sub->callid);
2834 transmit_response(s, req);
2835
2836 transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
2837 sub->onhold = 1;
2838 return 1;
2839 }
2840
2841 static int skinny_unhold(struct skinny_subchannel *sub)
2842 {
2843 struct skinny_line *l = sub->parent;
2844 struct skinny_device *d = l->parent;
2845 struct skinnysession *s = d->session;
2846 struct skinny_req *req;
2847
2848 /* Channel is on hold, so we will unhold */
2849 if (skinnydebug)
2850 ast_verbose("Taking off Hold(%d)\n", l->instance);
2851
2852 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD);
2853
2854 if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
2855 return 0;
2856
2857 req->data.activatecallplane.lineInstance = htolel(l->instance);
2858 transmit_response(s, req);
2859
2860 transmit_connect(s, sub);
2861 transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
2862 sub->onhold = 0;
2863 return 1;
2864 }
2865
2866 static int handle_keep_alive_message(struct skinny_req *req, struct skinnysession *s)
2867 {
2868 if (!(req = req_alloc(0, KEEP_ALIVE_ACK_MESSAGE)))
2869 return -1;
2870
2871 transmit_response(s, req);
2872 do_housekeeping(s);
2873 return 1;
2874 }
2875
2876 static int handle_register_message(struct skinny_req *req, struct skinnysession *s)
2877 {
2878 char name[16];
2879 int res;
2880
2881 memcpy(&name, req->data.reg.name, sizeof(name));
2882
2883 res = skinny_register(req, s);
2884 if (!res) {
2885 ast_log(LOG_ERROR, "Rejecting Device %s: Device not found\n", name);
2886 if (!(req = req_alloc(sizeof(struct register_rej_message), REGISTER_REJ_MESSAGE)))
2887 return -1;
2888
2889 snprintf(req->data.regrej.errMsg, sizeof(req->data.regrej.errMsg), "No Authority: %s", name);
2890 transmit_response(s, req);
2891 return 0;
2892 }
2893 if (option_verbose > 2)
2894 ast_verbose(VERBOSE_PREFIX_3 "Device '%s' successfully registered\n", name);
2895
2896 if (!(req = req_alloc(sizeof(struct register_ack_message), REGISTER_ACK_MESSAGE)))
2897 return -1;
2898
2899 req->data.regack.res[0] = '0';
2900 req->data.regack.res[1] = '\0';
2901 req->data.regack.keepAlive = htolel(keep_alive);
2902 ast_copy_string(req->data.regack.dateTemplate, date_format, sizeof(req->data.regack.dateTemplate));
2903 req->data.regack.res2[0] = '0';
2904 req->data.regack.res2[1] = '\0';
2905 req->data.regack.secondaryKeepAlive = htolel(keep_alive);
2906 transmit_response(s, req);
2907 if (skinnydebug)
2908 ast_verbose("Requesting capabilities\n");
2909
2910 if (!(req = req_alloc(0, CAPABILITIES_REQ_MESSAGE)))
2911 return -1;
2912
2913 transmit_response(s, req);
2914
2915 return res;
2916 }
2917
2918 static int handle_ip_port_message(struct skinny_req *req, struct skinnysession *s)
2919 {
2920 /* no response necessary */
2921 return 1;
2922 }
2923
2924 static int handle_keypad_button_message(struct skinny_req *req, struct skinnysession *s)
2925 {
2926 struct skinny_subchannel *sub = NULL;
2927 struct skinny_line *l;
2928 struct skinny_device *d = s->device;
2929 struct ast_frame f = { 0, };
2930 char dgt;
2931 int digit;
2932 int lineInstance;
2933 int callReference;
2934
2935 digit = letohl(req->data.keypad.button);
2936 lineInstance = letohl(req->data.keypad.lineInstance);
2937 callReference = letohl(req->data.keypad.callReference);
2938
2939 if (digit == 14) {
2940 dgt = '*';
2941 } else if (digit == 15) {
2942 dgt = '#';
2943 } else if (digit >= 0 && digit <= 9) {
2944 dgt = '0' + digit;
2945 } else {
2946 /* digit=10-13 (A,B,C,D ?), or
2947 * digit is bad value
2948 *
2949 * probably should not end up here, but set
2950 * value for backward compatibility, and log
2951 * a warning.
2952 */
2953 dgt = '0' + digit;
2954 ast_log(LOG_WARNING, "Unsupported digit %d\n", digit);
2955 }
2956
2957 f.subclass = dgt;
2958
2959 f.src = "skinny";
2960
2961 if (lineInstance && callReference)
2962 sub = find_subchannel_by_instance_reference(d, lineInstance, callReference);
2963 else
2964 sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
2965
2966 if (!sub)
2967 return 0;
2968
2969 l = sub->parent;
2970 if (sub->owner) {
2971 if (sub->owner->_state == 0) {
2972 f.frametype = AST_FRAME_DTMF_BEGIN;
2973 ast_queue_frame(sub->owner, &f);
2974 }
2975 /* XXX MUST queue this frame to all lines in threeway call if threeway call is active */
2976 f.frametype = AST_FRAME_DTMF_END;
2977 ast_queue_frame(sub->owner, &f);
2978 /* XXX This seriously needs to be fixed */
2979 if (sub->next && sub->next->owner) {
2980 if (sub->owner->_state == 0) {
2981 f.frametype = AST_FRAME_DTMF_BEGIN;
2982 ast_queue_frame(sub->next->owner, &f);
2983 }
2984 f.frametype = AST_FRAME_DTMF_END;
2985 ast_queue_frame(sub->next->owner, &f);
2986 }
2987 } else {
2988 if (skinnydebug)
2989 ast_verbose("No owner: %s\n", l->name);
2990 }
2991 return 1;
2992 }
2993
2994 static int handle_stimulus_message(struct skinny_req *req, struct skinnysession *s)
2995 {
2996 struct skinny_device *d = s->device;
2997 struct skinny_line *l;
2998 struct skinny_subchannel *sub;
2999 /*struct skinny_speeddial *sd;*/
3000 struct ast_channel *c;
3001 pthread_t t;
3002 int event;
3003 int instance;
3004 int unknown1;
3005 /*int res = 0;*/
3006
3007 event = letohl(req->data.stimulus.stimulus);
3008 instance = letohl(req->data.stimulus.stimulusInstance);
3009 unknown1 = letohl(req->data.stimulus.unknown1); /* No clue.. */
3010 if (skinnydebug)
3011 ast_verbose("unknown1 in handle_stimulus_message is '%d'\n", unknown1);
3012
3013 sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
3014
3015 if (!sub) {
3016 l = find_line_by_instance(d, d->lastlineinstance);
3017 if (!l) {
3018 return 0;
3019 }
3020 } else {
3021 l = sub->parent;
3022 }
3023
3024 switch(event) {
3025 case STIMULUS_REDIAL:
3026 if (skinnydebug)
3027 ast_verbose("Received Stimulus: Redial(%d)\n", instance);
3028
3029 #if 0
3030 c = skinny_new(l, AST_STATE_DOWN);
3031 if(!c) {
3032 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
3033 } else {
3034 sub = c->tech_pvt;
3035 transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
3036 if (skinnydebug)
3037 ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
3038 transmit_displaymessage(s, NULL); /* clear display */
3039 transmit_tone(s, SKINNY_DIALTONE);
3040
3041 if (ast_strlen_zero(l->lastnumberdialed)) {
3042 ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
3043 return 0;
3044 }
3045 if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
3046 transmit_tone(s, SKINNY_SILENCE);
3047 }
3048 ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
3049 if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
3050 ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
3051 ast_hangup(c);
3052 }
3053 }
3054 #endif
3055 break;
3056 case STIMULUS_SPEEDDIAL:
3057 if (skinnydebug)
3058 ast_verbose("Received Stimulus: SpeedDial(%d)\n", instance);
3059
3060 #if 0
3061 if (!(sd = find_speeddial_by_instance(d, instance))) {
3062 return 0;
3063 }
3064
3065 c = skinny_new(l, AST_STATE_DOWN);
3066 if(c) {
3067 sub = c->tech_pvt;
3068 l = sub->parent;
3069 transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
3070 if (skinnydebug)
3071 ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
3072 transmit_displaymessage(s, NULL); /* clear display */
3073 transmit_tone(s, SKINNY_DIALTONE);
3074
3075 if (!ast_ignore_pattern(c->context, sd->exten)) {
3076 transmit_tone(s, SKINNY_SILENCE);
3077 }
3078 if (ast_exists_extension(c, c->context, sd->exten, 1, l->cid_num)) {
3079 if (!ast_matchmore_extension(c, c->context, sd->exten, 1, l->cid_num)) {
3080 ast_copy_string(c->exten, sd->exten, sizeof(c->exten));
3081 ast_copy_string(l->lastnumberdialed, sd->exten, sizeof(l->lastnumberdialed));
3082 skinny_newcall(c);
3083 break;
3084 }
3085 }
3086 } else {
3087 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
3088 }
3089 #endif
3090 break;
3091 case STIMULUS_HOLD:
3092 if (skinnydebug)
3093 ast_verbose("Received Stimulus: Hold(%d)\n", instance);
3094
3095 if (!sub)
3096 break;
3097
3098 if (sub->onhold) {
3099 skinny_unhold(sub);
3100 } else {
3101 skinny_hold(sub);
3102 }
3103 break;
3104 case STIMULUS_TRANSFER:
3105 if (skinnydebug)
3106 ast_verbose("Received Stimulus: Transfer(%d)\n", instance);
3107 transmit_tone(s, SKINNY_DIALTONE);
3108 /* XXX figure out how to transfer */
3109 break;
3110 case STIMULUS_CONFERENCE:
3111 if (skinnydebug)
3112 ast_verbose("Received Stimulus: Conference(%d)\n", instance);
3113 transmit_tone(s, SKINNY_DIALTONE);
3114 /* XXX determine the best way to pull off a conference. Meetme? */
3115 break;
3116 case STIMULUS_VOICEMAIL:
3117 if (skinnydebug)
3118 ast_verbose("Received Stimulus: Voicemail(%d)\n", instance);
3119 /* XXX Find and dial voicemail extension */
3120 break;
3121 case STIMULUS_CALLPARK:
3122 if (skinnydebug)
3123 ast_verbose("Received Stimulus: Park Call(%d)\n", instance);
3124 /* XXX Park the call */
3125 break;
3126 case STIMULUS_FORWARDALL:
3127 if (skinnydebug)
3128 ast_verbose("Received Stimulus: Forward All(%d)\n", instance);
3129 /* Why is DND under FORWARDALL? */
3130 /* Because it's the same thing. */
3131
3132 /* Do not disturb */
3133 transmit_tone(s, SKINNY_DIALTONE);
3134 if (l->dnd != 0){
3135 if (option_verbose > 2)
3136 ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
3137 l->dnd = 0;
3138 transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
3139 transmit_displaynotify(s, "DnD disabled", 10);
3140 } else {
3141 if (option_verbose > 2)
3142 ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
3143 l->dnd = 1;
3144 transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
3145 transmit_displaynotify(s, "DnD enabled", 10);
3146 }
3147 break;
3148 case STIMULUS_FORWARDBUSY:
3149 if (skinnydebug)
3150 ast_verbose("Received Stimulus: Forward Busy (%d)\n", instance);
3151 break;
3152 case STIMULUS_FORWARDNOANSWER:
3153 if (skinnydebug)
3154 ast_verbose("Received Stimulus: Forward No Answer (%d)\n", instance);
3155 break;
3156 case STIMULUS_DISPLAY:
3157 /* Not sure what this is */
3158 if (skinnydebug)
3159 ast_verbose("Received Stimulus: Display(%d)\n", instance);
3160 break;
3161 case STIMULUS_LINE:
3162 if (skinnydebug)
3163 ast_verbose("Received Stimulus: Line(%d)\n", instance);
3164
3165 l = find_line_by_instance(s->device, instance);
3166
3167 if (!l) {
3168 return 0;
3169 }
3170
3171 /* turn the speaker on */
3172 transmit_speaker_mode(s, SKINNY_SPEAKERON);
3173 transmit_ringer_mode(s, SKINNY_RING_OFF);
3174 transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
3175
3176 l->hookstate = SKINNY_OFFHOOK;
3177
3178 if (sub && sub->outgoing) {
3179 /* We're answering a ringing call */
3180 ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
3181 transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
3182 transmit_tone(s, SKINNY_SILENCE);
3183 transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
3184 transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
3185 transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
3186 start_rtp(sub);
3187 ast_setstate(sub->owner, AST_STATE_UP);
3188 } else {
3189 if (sub && sub->owner) {
3190 ast_log(LOG_DEBUG, "Current subchannel [%s] already has owner\n", sub->owner->name);
3191 } else {
3192 c = skinny_new(l, AST_STATE_DOWN);
3193 if(c) {
3194 sub = c->tech_pvt;
3195 transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
3196 if (skinnydebug)
3197 ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
3198 transmit_displaymessage(s, NULL); /* clear display */
3199 transmit_tone(s, SKINNY_DIALTONE);
3200 transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
3201
3202 /* start the switch thread */
3203 if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
3204 ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
3205 ast_hangup(c);
3206 }
3207 } else {
3208 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
3209 }
3210 }
3211 }
3212 break;
3213 default:
3214 if (skinnydebug)
3215 ast_verbose("RECEIVED UNKNOWN STIMULUS: %d(%d)\n", event, instance);
3216 break;
3217 }
3218 return 1;
3219 }
3220
3221 static int handle_offhook_message(struct skinny_req *req, struct skinnysession *s)
3222 {
3223 struct skinny_device *d = s->device;
3224 struct skinny_line *l;
3225 struct skinny_subchannel *sub;
3226 struct ast_channel *c;
3227 pthread_t t;
3228 int unknown1;
3229 int unknown2;
3230
3231 unknown1 = letohl(req->data.offhook.unknown1);
3232 unknown2 = letohl(req->data.offhook.unknown2);
3233
3234 sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
3235
3236 if (!sub) {
3237 l = find_line_by_instance(d, d->lastlineinstance);
3238 if (!l) {
3239 return 0;
3240 }
3241 } else {
3242 l = sub->parent;
3243 }
3244
3245 if (sub && sub->onhold) {
3246 transmit_ringer_mode(s, SKINNY_RING_OFF);
3247 l->hookstate = SKINNY_OFFHOOK;
3248 return 1;
3249 }
3250
3251 transmit_ringer_mode(s, SKINNY_RING_OFF);
3252 transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
3253 l->hookstate = SKINNY_OFFHOOK;
3254
3255 if (sub && sub->outgoing) {
3256 /* We're answering a ringing call */
3257 ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
3258 transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
3259 transmit_tone(s, SKINNY_SILENCE);
3260 transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
3261 transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
3262 start_rtp(sub);
3263 ast_setstate(sub->owner, AST_STATE_UP);
3264 } else {
3265 if (sub && sub->owner) {
3266 ast_log(LOG_DEBUG, "Current sub [%s] already has owner\n", sub->owner->name);
3267 } else {
3268 c = skinny_new(l, AST_STATE_DOWN);
3269 if(c) {
3270 sub = c->tech_pvt;
3271 transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
3272 if (skinnydebug)
3273 ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
3274 transmit_displaymessage(s, NULL); /* clear display */
3275 transmit_tone(s, SKINNY_DIALTONE);
3276 transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
3277
3278 /* start the switch thread */
3279 if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
3280 ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
3281 ast_hangup(c);
3282 }
3283 } else {
3284 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
3285 }
3286 }
3287 }
3288 return 1;
3289 }
3290
3291 static int handle_onhook_message(struct skinny_req *req, struct skinnysession *s)
3292 {
3293 struct skinny_device *d = s->device;
3294 struct skinny_line *l;
3295 struct skinny_subchannel *sub;
3296 int unknown1;
3297 int unknown2;
3298
3299 unknown1 = letohl(req->data.onhook.unknown1);
3300 unknown2 = letohl(req->data.onhook.unknown2);
3301
3302 sub = find_subchannel_by_instance_reference(d, d->lastlineinstance, d->lastcallreference);
3303
3304 if (!sub) {
3305 return 0;
3306 }
3307 l = sub->parent;
3308
3309 if (sub->onhold) {
3310 l->hookstate = SKINNY_ONHOOK;
3311 return 0;
3312 }
3313
3314 if (l->hookstate == SKINNY_ONHOOK) {
3315 /* Something else already put us back on hook */
3316 return 0;
3317 }
3318 sub->cxmode = SKINNY_CX_RECVONLY;
3319 l->hookstate = SKINNY_ONHOOK;
3320 transmit_callstate(s, l->instance, l->hookstate, sub->callid);
3321 if (skinnydebug)
3322 ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
3323 if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
3324 /* We're allowed to transfer, we have two active calls and
3325 we made at least one of the calls. Let's try and transfer */
3326
3327 #if 0
3328 if ((res = attempt_transfer(p)) < 0) {
3329 if (sub->next && sub->next->owner) {
3330 sub->next->alreadygone = 1;
3331 ast_queue_hangup(sub->next->owner,1);
3332 }
3333 } else if (res) {
3334 ast_log(LOG_WARNING, "Transfer attempt failed\n");
3335 return 0;
3336 }
3337 #endif
3338 } else {
3339 /* Hangup the current call */
3340 /* If there is another active call, skinny_hangup will ring the phone with the other call */
3341 if (sub->owner) {
3342 sub->alreadygone = 1;
3343 ast_queue_hangup(sub->owner);
3344 } else {
3345 ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
3346 l->name, d->name, sub->callid);
3347 }
3348 }
3349 if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
3350 do_housekeeping(s);
3351 }
3352 return 1;
3353 }
3354
3355 static int handle_capabilities_res_message(struct skinny_req *req, struct skinnysession *s)
3356 {
3357 struct skinny_device *d = s->device;
3358 struct skinny_line *l;
3359 int count = 0;
3360 int codecs = 0;
3361 int i;
3362
3363 count = letohl(req->data.caps.count);
3364
3365 for (i = 0; i < count; i++) {
3366 int acodec = 0;
3367 int scodec = 0;
3368 scodec = letohl(req->data.caps.caps[i].codec);
3369 acodec = codec_skinny2ast(scodec);
3370 if (skinnydebug)
3371 ast_verbose("Adding codec capability '%d (%d)'\n", acodec, scodec);
3372 codecs |= acodec;
3373 }
3374
3375 d->capability &= codecs;
3376 ast_verbose("Device capability set to '%d'\n", d->capability);
3377 for (l = d->lines; l; l = l->next) {
3378 ast_mutex_lock(&l->lock);
3379 l->capability = d->capability;
3380 ast_mutex_unlock(&l->lock);
3381 }
3382
3383 return 1;
3384 }
3385
3386 static int handle_speed_dial_stat_req_message(struct skinny_req *req, struct skinnysession *s)
3387 {
3388 struct skinny_device *d = s->device;
3389 struct skinny_speeddial *sd;
3390 int instance;
3391
3392 instance = letohl(req->data.speeddialreq.speedDialNumber);
3393
3394 sd = find_speeddial_by_instance(d, instance);
3395
3396 if (!sd) {
3397 return 0;
3398 }
3399
3400 if (!(req = req_alloc(sizeof(struct speed_dial_stat_res_message), SPEED_DIAL_STAT_RES_MESSAGE)))
3401 return -1;
3402
3403 req->data.speeddialreq.speedDialNumber = htolel(instance);
3404 snprintf(req->data.speeddial.speedDialDirNumber, sizeof(req->data.speeddial.speedDialDirNumber), sd->exten);
3405 snprintf(req->data.speeddial.speedDialDisplayName, sizeof(req->data.speeddial.speedDialDisplayName), sd->label);
3406
3407 transmit_response(s, req);
3408 return 1;
3409 }
3410
3411 static int handle_line_state_req_message(struct skinny_req *req, struct skinnysession *s)
3412 {
3413 struct skinny_device *d = s->device;
3414 struct skinny_line *l;
3415 int instance;
3416
3417 instance = letohl(req->data.line.lineNumber);
3418
3419 ast_mutex_lock(&devicelock);
3420
3421 l = find_line_by_instance(d, instance);
3422
3423 if (!l) {
3424 return 0;
3425 }
3426
3427 ast_mutex_unlock(&devicelock);
3428
3429 if (!(req = req_alloc(sizeof(struct line_stat_res_message), LINE_STAT_RES_MESSAGE)))
3430 return -1;
3431
3432 req->data.linestat.lineNumber = letohl(instance);
3433 memcpy(req->data.linestat.lineDirNumber, l->name,
3434 sizeof(req->data.linestat.lineDirNumber));
3435 memcpy(req->data.linestat.lineDisplayName, l->label,
3436 sizeof(req->data.linestat.lineDisplayName));
3437 transmit_response(s,req);
3438 return 1;
3439 }
3440
3441 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s)
3442 {
3443 time_t timer;
3444 struct tm *cmtime;
3445
3446 if (!(req = req_alloc(sizeof(struct definetimedate_message), DEFINETIMEDATE_MESSAGE)))
3447 return -1;
3448
3449 timer = time(NULL);
3450 cmtime = localtime(&timer);
3451 req->data.definetimedate.year = htolel(cmtime->tm_year+1900);
3452 req->data.definetimedate.month = htolel(cmtime->tm_mon+1);
3453 req->data.definetimedate.dayofweek = htolel(cmtime->tm_wday);
3454 req->data.definetimedate.day = htolel(cmtime->tm_mday);
3455 req->data.definetimedate.hour = htolel(cmtime->tm_hour);
3456 req->data.definetimedate.minute = htolel(cmtime->tm_min);
3457 req->data.definetimedate.seconds = htolel(cmtime->tm_sec);
3458 transmit_response(s, req);
3459 return 1;
3460 }
3461
3462 static int handle_button_template_req_message(struct skinny_req *req, struct skinnysession *s)
3463 {
3464 struct skinny_device *d = s->device;
3465 struct skinny_line *l;
3466 int i;
3467
3468 struct skinny_speeddial *sd;
3469 struct button_definition_template btn[42];
3470 int lineInstance = 1;
3471 int speeddialInstance = 1;
3472 int buttonCount = 0;
3473
3474 if (!(req = req_alloc(sizeof(struct button_template_res_message), BUTTON_TEMPLATE_RES_MESSAGE)))
3475 return -1;
3476
3477 memset(&btn, 0, sizeof(btn));
3478
3479 get_button_template(s, btn);
3480
3481 for (i=0; i<42; i++) {
3482 int btnSet = 0;
3483 switch (btn[i].buttonDefinition) {
3484 case BT_CUST_LINESPEEDDIAL:
3485 /* assume failure */
3486 req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
3487 req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
3488
3489 for (l = d->lines; l; l = l->next) {
3490 if (l->instance == lineInstance) {
3491 ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
3492 req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
3493 req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
3494 lineInstance++;
3495 buttonCount++;
3496 btnSet = 1;
3497 break;
3498 }
3499 }
3500
3501 if (!btnSet) {
3502 for (sd = d->speeddials; sd; sd = sd->next) {
3503 if (sd->instance == speeddialInstance) {
3504 ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
3505 req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
3506 req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
3507 speeddialInstance++;
3508 buttonCount++;
3509 btnSet = 1;
3510 break;
3511 }
3512 }
3513 }
3514 break;
3515 case BT_LINE:
3516 req->data.buttontemplate.definition[i].buttonDefinition = htolel(BT_NONE);
3517 req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
3518
3519 for (l = d->lines; l; l = l->next) {
3520 if (l->instance == lineInstance) {
3521 ast_verbose("Adding button: %d, %d\n", BT_LINE, lineInstance);
3522 req->data.buttontemplate.definition[i].buttonDefinition = BT_LINE;
3523 req->data.buttontemplate.definition[i].instanceNumber = htolel(lineInstance);
3524 lineInstance++;
3525 buttonCount++;
3526 btnSet = 1;
3527 break;
3528 }
3529 }
3530 break;
3531 case BT_SPEEDDIAL:
3532 req->data.buttontemplate.definition[i].buttonDefinition = BT_NONE;
3533 req->data.buttontemplate.definition[i].instanceNumber = 0;
3534
3535 for (sd = d->speeddials; sd; sd = sd->next) {
3536 if (sd->instance == speeddialInstance) {
3537 ast_verbose("Adding button: %d, %d\n", BT_SPEEDDIAL, speeddialInstance);
3538 req->data.buttontemplate.definition[i].buttonDefinition = BT_SPEEDDIAL;
3539 req->data.buttontemplate.definition[i].instanceNumber = htolel(speeddialInstance);
3540 speeddialInstance++;
3541 buttonCount++;
3542 btnSet = 1;
3543 break;
3544 }
3545 }
3546 break;
3547 case BT_CUST_HINT:
3548 break;
3549 case BT_NONE:
3550 break;
3551 default:
3552 ast_verbose("Adding button: %d, %d\n", btn[i].buttonDefinition, 0);
3553 req->data.buttontemplate.definition[i].buttonDefinition = htolel(btn[i].buttonDefinition);
3554 req->data.buttontemplate.definition[i].instanceNumber = htolel(0);
3555 buttonCount++;
3556 btnSet = 1;
3557 break;
3558 }
3559 }
3560
3561 req->data.buttontemplate.buttonOffset = htolel(0);
3562 req->data.buttontemplate.buttonCount = htolel(buttonCount);
3563 req->data.buttontemplate.totalButtonCount = htolel(buttonCount);
3564
3565 if (skinnydebug)
3566 ast_verbose("Sending %d template to %s\n",
3567 d->type,
3568 d->name);
3569 transmit_response(s, req);
3570 return 1;
3571 }
3572
3573 static int handle_version_req_message(struct skinny_req *req, struct skinnysession *s)
3574 {
3575 struct skinny_device *d = s->device;
3576 if (!(req = req_alloc(sizeof(struct version_res_message), VERSION_RES_MESSAGE)))
3577 return -1;
3578
3579 snprintf(req->data.version.version, sizeof(req->data.version.version), d->version_id);
3580 transmit_response(s, req);
3581 return 1;
3582 }
3583
3584 static int handle_server_request_message(struct skinny_req *req, struct skinnysession *s)
3585 {
3586 struct skinny_device *d = s->device;
3587 if (!(req = req_alloc(sizeof(struct server_res_message), SERVER_RES_MESSAGE)))
3588 return -1;
3589
3590 memcpy(req->data.serverres.server[0].serverName, ourhost,
3591 sizeof(req->data.serverres.server[0].serverName));
3592 req->data.serverres.serverListenPort[0] = htolel(ourport);
3593 req->data.serverres.serverIpAddr[0] = htolel(d->ourip.s_addr);
3594 transmit_response(s, req);
3595 return 1;
3596 }
3597
3598 static int handle_alarm_message(struct skinny_req *req, struct skinnysession *s)
3599 {
3600 /* no response necessary */
3601 if (skinnydebug)
3602 ast_verbose("Received Alarm Message: %s\n", req->data.alarm.displayMessage);
3603
3604 return 1;
3605 }
3606
3607 static int handle_open_receive_channel_ack_message(struct skinny_req *req, struct skinnysession *s)
3608 {
3609 struct skinny_device *d = s->device;
3610 struct skinny_line *l;
3611 struct skinny_subchannel *sub;
3612 struct ast_format_list fmt;
3613 struct sockaddr_in sin;
3614 struct sockaddr_in us;
3615 uint32_t addr;
3616 int port;
3617 int status;
3618 int passthruid;
3619
3620 status = letohl(req->data.openreceivechannelack.status);
3621 if (status) {
3622 ast_log(LOG_ERROR, "Open Receive Channel Failure\n");
3623 return 0;
3624 }
3625 addr = letohl(req->data.openreceivechannelack.ipAddr);
3626 port = letohl(req->data.openreceivechannelack.port);
3627 passthruid = letohl(req->data.openreceivechannelack.passThruId);
3628
3629 sin.sin_family = AF_INET;
3630 sin.sin_addr.s_addr = addr;
3631 sin.sin_port = htons(port);
3632
3633 sub = find_subchannel_by_reference(d, passthruid);
3634
3635 if (!sub)
3636 return 0;
3637
3638 l = sub->parent;
3639
3640 if (sub->rtp) {
3641 ast_rtp_set_peer(sub->rtp, &sin);
3642 ast_rtp_get_us(sub->rtp, &us);
3643 } else {
3644 ast_log(LOG_ERROR, "No RTP structure, this is very bad\n");
3645 return 0;
3646 }
3647
3648 if (skinnydebug) {
3649 ast_verbose("ipaddr = %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
3650 ast_verbose("ourip = %s:%d\n", ast_inet_ntoa(d->ourip), ntohs(us.sin_port));
3651 }
3652
3653 if (!(req = req_alloc(sizeof(struct start_media_transmission_message), START_MEDIA_TRANSMISSION_MESSAGE)))
3654 return -1;
3655
3656 fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
3657
3658 if (skinnydebug)
3659 ast_verbose("Setting payloadType to '%d' (%d ms)\n", fmt.bits, fmt.cur_ms);
3660
3661 req->data.startmedia.conferenceId = htolel(0);
3662 req->data.startmedia.passThruPartyId = htolel(sub->callid);
3663 req->data.startmedia.remoteIp = htolel(d->ourip.s_addr);
3664 req->data.startmedia.remotePort = htolel(ntohs(us.sin_port));
3665 req->data.startmedia.packetSize = htolel(fmt.cur_ms);
3666 req->data.startmedia.payloadType = htolel(codec_ast2skinny(fmt.bits));
3667 req->data.startmedia.qualifier.precedence = htolel(127);
3668 req->data.startmedia.qualifier.vad = htolel(0);
3669 req->data.startmedia.qualifier.packets = htolel(0);
3670 req->data.startmedia.qualifier.bitRate = htolel(0);
3671 transmit_response(s, req);
3672
3673 return 1;
3674 }
3675
3676 static int handle_soft_key_set_req_message(struct skinny_req *req, struct skinnysession *s)
3677 {
3678 int i;
3679 int x;
3680 int y;
3681 const struct soft_key_definitions *softkeymode = soft_key_default_definitions;
3682
3683 if (!(req = req_alloc(sizeof(struct soft_key_set_res_message), SOFT_KEY_SET_RES_MESSAGE)))
3684 return -1;
3685
3686 req->data.softkeysets.softKeySetOffset = htolel(0);
3687 req->data.softkeysets.softKeySetCount = htolel(11);
3688 req->data.softkeysets.totalSoftKeySetCount = htolel(11);
3689 for (x = 0; x < sizeof(soft_key_default_definitions) / sizeof(struct soft_key_definitions); x++) {
3690 const uint8_t *defaults = softkeymode->defaults;
3691 /* XXX I wanted to get the size of the array dynamically, but that wasn't wanting to work.
3692 This will have to do for now. */
3693 for (y = 0; y < softkeymode->count; y++) {
3694 for (i = 0; i < (sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition)); i++) {
3695 if (defaults[y] == i+1) {
3696 req->data.softkeysets.softKeySetDefinition[softkeymode->mode].softKeyTemplateIndex[y] = htolel(i+1);
3697 }
3698 }
3699 }
3700 softkeymode++;
3701 }
3702 transmit_response(s,req);
3703 transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
3704 return 1;
3705 }
3706
3707 static int handle_soft_key_event_message(struct skinny_req *req, struct skinnysession *s)
3708 {
3709 struct skinny_device *d = s->device;
3710 struct skinny_line *l;
3711 struct skinny_subchannel *sub = NULL;
3712 struct ast_channel *c;
3713 pthread_t t;
3714 int event;
3715 int instance;
3716 int reference;
3717
3718 event = letohl(req->data.softkeyeventmessage.softKeyEvent);
3719 instance = letohl(req->data.softkeyeventmessage.instance);
3720 reference = letohl(req->data.softkeyeventmessage.reference);
3721
3722 if (instance) {
3723 l = find_line_by_instance(d, instance);
3724 if (reference) {
3725 sub = find_subchannel_by_instance_reference(d, instance, reference);
3726 } else {
3727 sub = find_subchannel_by_instance_reference(d, instance, d->lastcallreference);
3728 }
3729 } else {
3730 l = find_line_by_instance(d, d->lastlineinstance);
3731 }
3732
3733 if (!l) {
3734 if (skinnydebug)
3735 ast_verbose("Received Softkey Event: %d(%d)\n", event, instance);
3736 return 0;
3737 }
3738
3739 switch(event) {
3740 case SOFTKEY_NONE:
3741 if (skinnydebug)
3742 ast_verbose("Received Softkey Event: None(%d)\n", instance);
3743 break;
3744 case SOFTKEY_REDIAL:
3745 if (skinnydebug)
3746 ast_verbose("Received Softkey Event: Redial(%d)\n", instance);
3747
3748 #if 0
3749 if (!sub || !sub->owner) {
3750 c = skinny_new(l, AST_STATE_DOWN);
3751 } else {
3752 c = sub->owner;
3753 }
3754
3755 if(!c) {
3756 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
3757 } else {
3758 sub = c->tech_pvt;
3759 transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
3760 if (skinnydebug)
3761 ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
3762 transmit_displaymessage(s, NULL); /* clear display */
3763 transmit_tone(s, SKINNY_DIALTONE);
3764
3765 if (ast_strlen_zero(l->lastnumberdialed)) {
3766 ast_log(LOG_WARNING, "Attempted redial, but no previously dialed number found.\n");
3767 break;
3768 }
3769 if (!ast_ignore_pattern(c->context, l->lastnumberdialed)) {
3770 transmit_tone(s, SKINNY_SILENCE);
3771 }
3772 ast_copy_string(c->exten, l->lastnumberdialed, sizeof(c->exten));
3773 if (ast_pthread_create(&t, NULL, skinny_newcall, c)) {
3774 ast_log(LOG_WARNING, "Unable to create new call thread: %s\n", strerror(errno));
3775 ast_hangup(c);
3776 }
3777 }
3778 #endif
3779 break;
3780 case SOFTKEY_NEWCALL:
3781 /* XXX Untested */
3782 if (skinnydebug)
3783 ast_verbose("Received Softkey Event: New Call(%d)\n", instance);
3784
3785 transmit_ringer_mode(s,SKINNY_RING_OFF);
3786 transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
3787
3788 l->hookstate = SKINNY_OFFHOOK;
3789
3790 if (sub) {
3791 transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
3792 if (skinnydebug)
3793 ast_verbose("Attempting to Clear display on Skinny %s@%s\n", l->name, d->name);
3794 transmit_displaymessage(s, NULL); /* clear display */
3795 transmit_tone(s, SKINNY_DIALTONE);
3796 transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_OFFHOOK);
3797 c = skinny_new(l, AST_STATE_DOWN);
3798 if(c) {
3799 /* start the switch thread */
3800 if (ast_pthread_create(&t, NULL, skinny_ss, c)) {
3801 ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
3802 ast_hangup(c);
3803 }
3804 } else {
3805 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", l->name, d->name);
3806 }
3807 }
3808 break;
3809 case SOFTKEY_HOLD:
3810 if (skinnydebug)
3811 ast_verbose("Received Softkey Event: Hold(%d)\n", instance);
3812
3813 if (sub) {
3814 if (sub->onhold) {
3815 skinny_unhold(sub);
3816 } else {
3817 skinny_hold(sub);
3818 }
3819 }
3820
3821 break;
3822 case SOFTKEY_TRNSFER:
3823 if (skinnydebug)
3824 ast_verbose("Received Softkey Event: Transfer(%d)\n", instance);
3825 transmit_tone(s, SKINNY_DIALTONE);
3826 /* XXX figure out how to transfer */
3827 break;
3828 case SOFTKEY_CFWDALL:
3829 if (skinnydebug)
3830 ast_verbose("Received Softkey Event: Forward All(%d)\n", instance);
3831
3832 /* Do not disturb */
3833 transmit_tone(s, SKINNY_DIALTONE);
3834 if (l->dnd != 0){
3835 if (option_verbose > 2)
3836 ast_verbose(VERBOSE_PREFIX_3 "Disabling DND on %s@%s\n", l->name, d->name);
3837 l->dnd = 0;
3838 transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
3839 transmit_displaynotify(s, "DnD disabled", 10);
3840 } else {
3841 if (option_verbose > 2)
3842 ast_verbose(VERBOSE_PREFIX_3 "Enabling DND on %s@%s\n", l->name, d->name);
3843 l->dnd = 1;
3844 transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_OFF);
3845 transmit_displaynotify(s, "DnD enabled", 10);
3846 }
3847 break;
3848 case SOFTKEY_CFWDBUSY:
3849 if (skinnydebug)
3850 ast_verbose("Received Softkey Event: Forward Busy (%d)\n", instance);
3851 break;
3852 case SOFTKEY_CFWDNOANSWER:
3853 if (skinnydebug)
3854 ast_verbose("Received Softkey Event: Forward No Answer (%d)\n", instance);
3855 break;
3856 case SOFTKEY_BKSPC:
3857 if (skinnydebug)
3858 ast_verbose("Received Softkey Event: Backspace(%d)\n", instance);
3859 break;
3860 case SOFTKEY_ENDCALL:
3861 if (skinnydebug)
3862 ast_verbose("Received Softkey Event: End Call(%d)\n", instance);
3863
3864 if (l->hookstate == SKINNY_ONHOOK) {
3865 /* Something else already put us back on hook */
3866 break;
3867 }
3868 if (sub) {
3869 sub->cxmode = SKINNY_CX_RECVONLY;
3870 l->hookstate = SKINNY_ONHOOK;
3871 transmit_callstate(s, l->instance, l->hookstate, sub->callid);
3872 if (skinnydebug)
3873 ast_verbose("Skinny %s@%s went on hook\n", l->name, d->name);
3874 if (l->transfer && (sub->owner && sub->next && sub->next->owner) && ((!sub->outgoing) || (sub->next && !sub->next->outgoing))) {
3875 /* We're allowed to transfer, we have two active calls and
3876 we made at least one of the calls. Let's try and transfer */
3877
3878 #if 0
3879 if ((res = attempt_transfer(p)) < 0) {
3880 if (sub->next && sub->next->owner) {
3881 sub->next->alreadygone = 1;
3882 ast_queue_hangup(sub->next->owner, 1);
3883 }
3884 } else if (res) {
3885 ast_log(LOG_WARNING, "Transfer attempt failed\n");
3886 break;
3887 }
3888 #endif
3889 } else {
3890 /* Hangup the current call */
3891 /* If there is another active call, skinny_hangup will ring the phone with the other call */
3892 if (sub->owner) {
3893 sub->alreadygone = 1;
3894 ast_queue_hangup(sub->owner);
3895 } else {
3896 ast_log(LOG_WARNING, "Skinny(%s@%s-%d) channel already destroyed\n",
3897 l->name, d->name, sub->callid);
3898 }
3899 }
3900 if ((l->hookstate == SKINNY_ONHOOK) && (sub->next && !sub->next->rtp)) {
3901 do_housekeeping(s);
3902 }
3903 }
3904 break;
3905 case SOFTKEY_RESUME:
3906 if (skinnydebug)
3907 ast_verbose("Received Softkey Event: Resume(%d)\n", instance);
3908 break;
3909 case SOFTKEY_ANSWER:
3910 if (skinnydebug)
3911 ast_verbose("Received Softkey Event: Answer(%d)\n", instance);
3912
3913 transmit_ringer_mode(s,SKINNY_RING_OFF);
3914 transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_ON);
3915
3916 l->hookstate = SKINNY_OFFHOOK;
3917
3918 if (sub && sub->outgoing) {
3919 /* We're answering a ringing call */
3920 ast_queue_control(sub->owner, AST_CONTROL_ANSWER);
3921 transmit_callstate(s, l->instance, SKINNY_OFFHOOK, sub->callid);
3922 transmit_tone(s, SKINNY_SILENCE);
3923 transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
3924 transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
3925 start_rtp(sub);
3926 ast_setstate(sub->owner, AST_STATE_UP);
3927 }
3928 break;
3929 case SOFTKEY_INFO:
3930 if (skinnydebug)
3931 ast_verbose("Received Softkey Event: Info(%d)\n", instance);
3932 break;
3933 case SOFTKEY_CONFRN:
3934 if (skinnydebug)
3935 ast_verbose("Received Softkey Event: Transfer(%d)\n", instance);
3936 transmit_tone(s, SKINNY_DIALTONE);
3937 /* XXX determine the best way to pull off a conference. Meetme? */
3938 break;
3939 case SOFTKEY_PARK:
3940 if (skinnydebug)
3941 ast_verbose("Received Softkey Event: Park Call(%d)\n", instance);
3942 /* XXX Park the call */
3943 break;
3944 case SOFTKEY_JOIN:
3945 if (skinnydebug)
3946 ast_verbose("Received Softkey Event: Join(%d)\n", instance);
3947 break;
3948 case SOFTKEY_MEETME:
3949 /* XXX How is this different from CONFRN? */
3950 if (skinnydebug)
3951 ast_verbose("Received Softkey Event: Meetme(%d)\n", instance);
3952 break;
3953 case SOFTKEY_PICKUP:
3954 if (skinnydebug)
3955 ast_verbose("Received Softkey Event: None(%d)\n", instance);
3956 break;
3957 case SOFTKEY_GPICKUP:
3958 if (skinnydebug)
3959 ast_verbose("Received Softkey Event: Group Pickup (%d)\n", instance);
3960 break;
3961 default:
3962 if (skinnydebug)
3963 ast_verbose("Received unknown Softkey Event: %d(%d)\n", event, instance);
3964 break;
3965 }
3966 return 1;
3967 }
3968
3969 static int handle_unregister_message(struct skinny_req *req, struct skinnysession *s)
3970 {
3971 return skinny_unregister(req, s);
3972 }
3973
3974 static int handle_soft_key_template_req_message(struct skinny_req *req, struct skinnysession *s)
3975 {
3976 if (!(req = req_alloc(sizeof(struct soft_key_template_res_message), SOFT_KEY_TEMPLATE_RES_MESSAGE)))
3977 return -1;
3978
3979 req->data.softkeytemplate.softKeyOffset = htolel(0);
3980 req->data.softkeytemplate.softKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
3981 req->data.softkeytemplate.totalSoftKeyCount = htolel(sizeof(soft_key_template_default) / sizeof(struct soft_key_template_definition));
3982 memcpy(req->data.softkeytemplate.softKeyTemplateDefinition,
3983 soft_key_template_default,
3984 sizeof(soft_key_template_default));
3985 transmit_response(s,req);
3986 return 1;
3987 }
3988
3989 static int handle_headset_status_message(struct skinny_req *req, struct skinnysession *s)
3990 {
3991 /* XXX umm...okay? Why do I care? */
3992 return 1;
3993 }
3994
3995 static int handle_register_available_lines_message(struct skinny_req *req, struct skinnysession *s)
3996 {
3997 /* XXX I have no clue what this is for, but my phone was sending it, so... */
3998 return 1;
3999 }
4000
4001 static int handle_message(struct skinny_req *req, struct skinnysession *s)
4002 {
4003 int res = 0;
4004
4005 if ((!s->device) && (letohl(req->e) != REGISTER_MESSAGE && letohl(req->e) != ALARM_MESSAGE)) {
4006 ast_log(LOG_WARNING, "Client sent message #%d without first registering.\n", req->e);
4007 free(req);
4008 return 0;
4009 }
4010
4011 switch(letohl(req->e)) {
4012 case KEEP_ALIVE_MESSAGE:
4013 res = handle_keep_alive_message(req, s);
4014 break;
4015 case REGISTER_MESSAGE:
4016 if (skinnydebug)
4017 ast_verbose("Device %s is attempting to register\n", req->data.reg.name);
4018
4019 res = handle_register_message(req, s);
4020 break;
4021 case IP_PORT_MESSAGE:
4022 res = handle_ip_port_message(req, s);
4023 break;
4024 case KEYPAD_BUTTON_MESSAGE:
4025 if (skinnydebug)
4026 ast_verbose("Collected digit: [%d]\n", letohl(req->data.keypad.button));
4027
4028 res = handle_keypad_button_message(req, s);
4029 break;
4030 case STIMULUS_MESSAGE:
4031 res = handle_stimulus_message(req, s);
4032 break;
4033 case OFFHOOK_MESSAGE:
4034 res = handle_offhook_message(req, s);
4035 break;
4036 case ONHOOK_MESSAGE:
4037 res = handle_onhook_message(req, s);
4038 break;
4039 case CAPABILITIES_RES_MESSAGE:
4040 if (skinnydebug)
4041 ast_verbose("Received CapabilitiesRes\n");
4042
4043 res = handle_capabilities_res_message(req, s);
4044 break;
4045 case SPEED_DIAL_STAT_REQ_MESSAGE:
4046 if (skinnydebug)
4047 ast_verbose("Received SpeedDialStatRequest\n");
4048
4049 res = handle_speed_dial_stat_req_message(req, s);
4050 break;
4051 case LINE_STATE_REQ_MESSAGE:
4052 res = handle_line_state_req_message(req, s);
4053 break;
4054 case TIME_DATE_REQ_MESSAGE:
4055 if (skinnydebug)
4056 ast_verbose("Received Time/Date Request\n");
4057
4058 res = handle_time_date_req_message(req, s);
4059 break;
4060 case BUTTON_TEMPLATE_REQ_MESSAGE:
4061 if (skinnydebug)
4062 ast_verbose("Buttontemplate requested\n");
4063
4064 res = handle_button_template_req_message(req, s);
4065 break;
4066 case VERSION_REQ_MESSAGE:
4067 if (skinnydebug)
4068 ast_verbose("Version Request\n");
4069
4070 res = handle_version_req_message(req, s);
4071 break;
4072 case SERVER_REQUEST_MESSAGE:
4073 if (skinnydebug)
4074 ast_verbose("Received Server Request\n");
4075
4076 res = handle_server_request_message(req, s);
4077 break;
4078 case ALARM_MESSAGE:
4079 res = handle_alarm_message(req, s);
4080 break;
4081 case OPEN_RECEIVE_CHANNEL_ACK_MESSAGE:
4082 if (skinnydebug)
4083 ast_verbose("Received Open Receive Channel Ack\n");
4084
4085 res = handle_open_receive_channel_ack_message(req, s);
4086 break;
4087 case SOFT_KEY_SET_REQ_MESSAGE:
4088 if (skinnydebug)
4089 ast_verbose("Received SoftKeySetReq\n");
4090
4091 res = handle_soft_key_set_req_message(req, s);
4092 break;
4093 case SOFT_KEY_EVENT_MESSAGE:
4094 res = handle_soft_key_event_message(req, s);
4095 break;
4096 case UNREGISTER_MESSAGE:
4097 if (skinnydebug)
4098 ast_verbose("Received Unregister Request\n");
4099
4100 res = handle_unregister_message(req, s);
4101 break;
4102 case SOFT_KEY_TEMPLATE_REQ_MESSAGE:
4103 if (skinnydebug)
4104 ast_verbose("Received SoftKey Template Request\n");
4105
4106 res = handle_soft_key_template_req_message(req, s);
4107 break;
4108 case HEADSET_STATUS_MESSAGE:
4109 res = handle_headset_status_message(req, s);
4110 break;
4111 case REGISTER_AVAILABLE_LINES_MESSAGE:
4112 res = handle_register_available_lines_message(req, s);
4113 break;
4114 default:
4115 if (skinnydebug)
4116 ast_verbose("RECEIVED UNKNOWN MESSAGE TYPE: %x\n", letohl(req->e));
4117 break;
4118 }
4119 if (res >= 0 && req)
4120 free(req);
4121 return res;
4122 }
4123
4124 static void destroy_session(struct skinnysession *s)
4125 {
4126 struct skinnysession *cur, *prev = NULL;
4127 ast_mutex_lock(&sessionlock);
4128 cur = sessions;
4129 while(cur) {
4130 if (cur == s) {
4131 break;
4132 }
4133 prev = cur;
4134 cur = cur->next;
4135 }
4136 if (cur) {
4137 if (prev) {
4138 prev->next = cur->next;
4139 } else {
4140 sessions = cur->next;
4141 }
4142 if (s->fd > -1) {
4143 close(s->fd);
4144 }
4145 ast_mutex_destroy(&s->lock);
4146 free(s);
4147 } else {
4148 ast_log(LOG_WARNING, "Trying to delete nonexistent session %p?\n", s);
4149 }
4150 ast_mutex_unlock(&sessionlock);
4151 }
4152
4153 static int get_input(struct skinnysession *s)
4154 {
4155 int res;
4156 int dlen = 0;
4157 struct pollfd fds[1];
4158
4159 fds[0].fd = s->fd;
4160 fds[0].events = POLLIN;
4161 fds[0].revents = 0;
4162 res = poll(fds, 1, -1);
4163
4164 if (res < 0) {
4165 if (errno != EINTR)
4166 {
4167 ast_log(LOG_WARNING, "Select returned error: %s\n", strerror(errno));
4168 return res;
4169 }
4170 }
4171 if (fds[0].revents) {
4172 ast_mutex_lock(&s->lock);
4173 memset(s->inbuf,0,sizeof(s->inbuf));
4174 res = read(s->fd, s->inbuf, 4);
4175 if (res < 0) {
4176 ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
4177
4178 if (skinnydebug)
4179 ast_verbose("Skinny Client was lost, unregistering\n");
4180
4181 skinny_unregister(NULL,s);
4182 ast_mutex_unlock(&s->lock);
4183 return res;
4184 } else if (res != 4) {
4185 ast_log(LOG_WARNING, "Skinny Client sent less data than expected. Expected 4 but got %d.\n", res);
4186 ast_mutex_unlock(&s->lock);
4187
4188 if (res == 0) {
4189 if (skinnydebug)
4190 ast_verbose("Skinny Client was lost, unregistering\n");
4191 skinny_unregister(NULL, s);
4192 }
4193
4194 return -1;
4195 }
4196
4197 dlen = letohl(*(int *)s->inbuf);
4198 if (dlen < 0) {
4199 ast_log(LOG_WARNING, "Skinny Client sent invalid data.\n");
4200 ast_mutex_unlock(&s->lock);
4201 return -1;
4202 }
4203 if (dlen+8 > sizeof(s->inbuf)) {
4204 dlen = sizeof(s->inbuf) - 8;
4205 }
4206 *(int *)s->inbuf = htolel(dlen);
4207
4208 res = read(s->fd, s->inbuf+4, dlen+4);
4209 ast_mutex_unlock(&s->lock);
4210 if (res < 0) {
4211 ast_log(LOG_WARNING, "read() returned error: %s\n", strerror(errno));
4212 return res;
4213 } else if (res != (dlen+4)) {
4214 ast_log(LOG_WARNING, "Skinny Client sent less data than expected.\n");
4215 return -1;
4216 }
4217 return res;
4218 }
4219 return 0;
4220 }
4221
4222 static struct skinny_req *skinny_req_parse(struct skinnysession *s)
4223 {
4224 struct skinny_req *req;
4225
4226 if (!(req = ast_calloc(1, SKINNY_MAX_PACKET)))
4227 return NULL;
4228
4229 ast_mutex_lock(&s->lock);
4230 memcpy(req, s->inbuf, skinny_header_size);
4231 memcpy(&req->data, s->inbuf+skinny_header_size, letohl(*(int*)(s->inbuf))-4);
4232
4233 ast_mutex_unlock(&s->lock);
4234
4235 if (letohl(req->e) < 0) {
4236 ast_log(LOG_ERROR, "Event Message is NULL from socket %d, This is bad\n", s->fd);
4237 free(req);
4238 return NULL;
4239 }
4240
4241 return req;
4242 }
4243
4244 static void *skinny_session(void *data)
4245 {
4246 int res;
4247 struct skinny_req *req;
4248 struct skinnysession *s = data;
4249
4250 if (option_verbose > 2)
4251 ast_verbose(VERBOSE_PREFIX_3 "Starting Skinny session from %s\n", ast_inet_ntoa(s->sin.sin_addr));
4252
4253 for (;;) {
4254 res = get_input(s);
4255 if (res < 0) {
4256 break;
4257 }
4258
4259 if (res > 0)
4260 {
4261 if (!(req = skinny_req_parse(s))) {
4262 destroy_session(s);
4263 return NULL;
4264 }
4265
4266 res = handle_message(req, s);
4267 if (res < 0) {
4268 destroy_session(s);
4269 return NULL;
4270 }
4271 }
4272 }
4273 ast_log(LOG_NOTICE, "Skinny Session returned: %s\n", strerror(errno));
4274
4275 if (s)
4276 destroy_session(s);
4277
4278 return 0;
4279 }
4280
4281 static void *accept_thread(void *ignore)
4282 {
4283 int as;
4284 struct sockaddr_in sin;
4285 socklen_t sinlen;
4286 struct skinnysession *s;
4287 struct protoent *p;
4288 int arg = 1;
4289 pthread_attr_t attr;
4290 pthread_t tcp_thread;
4291
4292 pthread_attr_init(&attr);
4293 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
4294
4295 for (;;) {
4296 sinlen = sizeof(sin);
4297 as = accept(skinnysock, (struct sockaddr *)&sin, &sinlen);
4298 if (as < 0) {
4299 ast_log(LOG_NOTICE, "Accept returned -1: %s\n", strerror(errno));
4300 continue;
4301 }
4302 p = getprotobyname("tcp");
4303 if(p) {
4304 if( setsockopt(as, p->p_proto, TCP_NODELAY, (char *)&arg, sizeof(arg) ) < 0 ) {
4305 ast_log(LOG_WARNING, "Failed to set Skinny tcp connection to TCP_NODELAY mode: %s\n", strerror(errno));
4306 }
4307 }
4308 if (!(s = ast_calloc(1, sizeof(struct skinnysession))))
4309 continue;
4310
4311 memcpy(&s->sin, &sin, sizeof(sin));
4312 ast_mutex_init(&s->lock);
4313 s->fd = as;
4314 ast_mutex_lock(&sessionlock);
4315 s->next = sessions;
4316 sessions = s;
4317 ast_mutex_unlock(&sessionlock);
4318
4319 if (ast_pthread_create(&tcp_thread, &attr, skinny_session, s)) {
4320 destroy_session(s);
4321 }
4322 }
4323 if (skinnydebug)
4324 ast_verbose("killing accept thread\n");
4325 close(as);
4326 pthread_attr_destroy(&attr);
4327 return 0;
4328 }
4329
4330 static void *do_monitor(void *data)
4331 {
4332 int res;
4333
4334 /* This thread monitors all the interfaces which are not yet in use
4335 (and thus do not have a separate thread) indefinitely */
4336 /* From here on out, we die whenever asked */
4337 for(;;) {
4338 pthread_testcancel();
4339 /* Wait for sched or io */
4340 res = ast_sched_wait(sched);
4341 if ((res < 0) || (res > 1000)) {
4342 res = 1000;
4343 }
4344 res = ast_io_wait(io, res);
4345 ast_mutex_lock(&monlock);
4346 if (res >= 0) {
4347 ast_sched_runq(sched);
4348 }
4349 ast_mutex_unlock(&monlock);
4350 }
4351 /* Never reached */
4352 return NULL;
4353
4354 }
4355
4356 static int restart_monitor(void)
4357 {
4358 /* If we're supposed to be stopped -- stay stopped */
4359 if (monitor_thread == AST_PTHREADT_STOP)
4360 return 0;
4361
4362 ast_mutex_lock(&monlock);
4363 if (monitor_thread == pthread_self()) {
4364 ast_mutex_unlock(&monlock);
4365 ast_log(LOG_WARNING, "Cannot kill myself\n");
4366 return -1;
4367 }
4368 if (monitor_thread != AST_PTHREADT_NULL) {
4369 /* Wake up the thread */
4370 pthread_kill(monitor_thread, SIGURG);
4371 } else {
4372 /* Start a new monitor */
4373 if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) {
4374 ast_mutex_unlock(&monlock);
4375 ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
4376 return -1;
4377 }
4378 }
4379 ast_mutex_unlock(&monlock);
4380 return 0;
4381 }
4382
4383 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause)
4384 {
4385 int oldformat;
4386
4387 struct skinny_line *l;
4388 struct ast_channel *tmpc = NULL;
4389 char tmp[256];
4390 char *dest = data;
4391
4392 oldformat = format;
4393
4394 if (!(format &= ((AST_FORMAT_MAX_AUDIO << 1) - 1))) {
4395 ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format);
4396 return NULL;
4397 }
4398
4399 ast_copy_string(tmp, dest, sizeof(tmp));
4400 if (ast_strlen_zero(tmp)) {
4401 ast_log(LOG_NOTICE, "Skinny channels require a device\n");
4402 return NULL;
4403 }
4404 l = find_line_by_name(tmp);
4405 if (!l) {
4406 ast_log(LOG_NOTICE, "No available lines on: %s\n", dest);
4407 return NULL;
4408 }
4409 if (option_verbose > 2) {
4410 ast_verbose(VERBOSE_PREFIX_3 "skinny_request(%s)\n", tmp);
4411 }
4412 tmpc = skinny_new(l, AST_STATE_DOWN);
4413 if (!tmpc) {
4414 ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp);
4415 }
4416 restart_monitor();
4417 return tmpc;
4418 }
4419
4420 static int reload_config(void)
4421 {
4422 int on = 1;
4423 struct ast_config *cfg;
4424 struct ast_variable *v;
4425 char *cat;
4426 struct skinny_device *d;
4427 int oldport = ntohs(bindaddr.sin_port);
4428
4429 if (gethostname(ourhost, sizeof(ourhost))) {
4430 ast_log(LOG_WARNING, "Unable to get hostname, Skinny disabled\n");
4431 return 0;
4432 }
4433 cfg = ast_config_load(config);
4434
4435 /* We *must* have a config file otherwise stop immediately */
4436 if (!cfg) {
4437 ast_log(LOG_NOTICE, "Unable to load config %s, Skinny disabled\n", config);
4438 return -1;
4439 }
4440 memset(&bindaddr, 0, sizeof(bindaddr));
4441 memset(&default_prefs, 0, sizeof(default_prefs));
4442
4443 /* Copy the default jb config over global_jbconf */
4444 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf));
4445
4446 /* load the general section */
4447 v = ast_variable_browse(cfg, "general");
4448 while (v) {
4449 /* handle jb conf */
4450 if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) {
4451 v = v->next;
4452 continue;
4453 }
4454
4455 /* Create the interface list */
4456 if (!strcasecmp(v->name, "bindaddr")) {
4457 if (!(hp = ast_gethostbyname(v->value, &ahp))) {
4458 ast_log(LOG_WARNING, "Invalid address: %s\n", v->value);
4459 } else {
4460 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr));
4461 }
4462 } else if (!strcasecmp(v->name, "keepalive")) {
4463 keep_alive = atoi(v->value);
4464 } else if (!strcasecmp(v->name, "dateformat")) {
4465 ast_copy_string(date_format, v->value, sizeof(date_format));
4466 } else if (!strcasecmp(v->name, "allow")) {
4467 ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 1);
4468 } else if (!strcasecmp(v->name, "disallow")) {
4469 ast_parse_allow_disallow(&default_prefs, &default_capability, v->value, 0);
4470 } else if (!strcasecmp(v->name, "bindport") || !strcasecmp(v->name, "port")) {
4471 if (sscanf(v->value, "%d", &ourport) == 1) {
4472 bindaddr.sin_port = htons(ourport);
4473 } else {
4474 ast_log(LOG_WARNING, "Invalid bindport '%s' at line %d of %s\n", v->value, v->lineno, config);
4475 }
4476 if (!strcasecmp(v->name, "port")) { /*! \todo Remove 'port' option after 1.4 */
4477 ast_log(LOG_WARNING, "Option 'port' at line %d of %s has been deprecated. Please use 'bindport' instead.\n", v->lineno, config);
4478 }
4479 }
4480 v = v->next;
4481 }
4482
4483 if (ntohl(bindaddr.sin_addr.s_addr)) {
4484 __ourip = bindaddr.sin_addr;
4485 } else {
4486 hp = ast_gethostbyname(ourhost, &ahp);
4487 if (!hp) {
4488 ast_log(LOG_WARNING, "Unable to get our IP address, Skinny disabled\n");
4489 ast_config_destroy(cfg);
4490 return 0;
4491 }
4492 memcpy(&__ourip, hp->h_addr, sizeof(__ourip));
4493 }
4494 if (!ntohs(bindaddr.sin_port)) {
4495 bindaddr.sin_port = ntohs(DEFAULT_SKINNY_PORT);
4496 }
4497 bindaddr.sin_family = AF_INET;
4498
4499 /* load the device sections */
4500 cat = ast_category_browse(cfg, NULL);
4501 while(cat) {
4502 if (!strcasecmp(cat, "general")) {
4503 /* Nothing to do */
4504 #if 0
4505 } else if (!strncasecmp(cat, "paging-", 7)) {
4506 p = build_paging_device(cat, ast_variable_browse(cfg, cat));
4507 if (p) {
4508 }
4509 #endif
4510 } else {
4511 d = build_device(cat, ast_variable_browse(cfg, cat));
4512 if (d) {
4513 if (option_verbose > 2)
4514 ast_verbose(VERBOSE_PREFIX_3 "Added device '%s'\n", d->name);
4515 ast_mutex_lock(&devicelock);
4516 d->next = devices;
4517 devices = d;
4518 ast_mutex_unlock(&devicelock);
4519 }
4520 }
4521 cat = ast_category_browse(cfg, cat);
4522 }
4523 ast_mutex_lock(&netlock);
4524 if ((skinnysock > -1) && (ntohs(bindaddr.sin_port) != oldport)) {
4525 close(skinnysock);
4526 skinnysock = -1;
4527 }
4528 if (skinnysock < 0) {
4529 skinnysock = socket(AF_INET, SOCK_STREAM, 0);
4530 if(setsockopt(skinnysock, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) == -1) {
4531 ast_log(LOG_ERROR, "Set Socket Options failed: errno %d, %s\n", errno, strerror(errno));
4532 ast_config_destroy(cfg);
4533 return 0;
4534 }
4535 if (skinnysock < 0) {
4536 ast_log(LOG_WARNING, "Unable to create Skinny socket: %s\n", strerror(errno));
4537 } else {
4538 if (bind(skinnysock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) {
4539 ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n",
4540 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
4541 strerror(errno));
4542 close(skinnysock);
4543 skinnysock = -1;
4544 ast_config_destroy(cfg);
4545 return 0;
4546 }
4547 if (listen(skinnysock,DEFAULT_SKINNY_BACKLOG)) {
4548 ast_log(LOG_WARNING, "Failed to start listening to %s:%d: %s\n",
4549 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port),
4550 strerror(errno));
4551 close(skinnysock);
4552 skinnysock = -1;
4553 ast_config_destroy(cfg);
4554 return 0;
4555 }
4556 if (option_verbose > 1)
4557 ast_verbose(VERBOSE_PREFIX_2 "Skinny listening on %s:%d\n",
4558 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port));
4559 ast_pthread_create_background(&accept_t,NULL, accept_thread, NULL);
4560 }
4561 }
4562 ast_mutex_unlock(&netlock);
4563 ast_config_destroy(cfg);
4564 return 1;
4565 }
4566
4567 static void delete_devices(void)
4568 {
4569 struct skinny_device *d, *dlast;
4570 struct skinny_line *l, *llast;
4571 struct skinny_speeddial *sd, *sdlast;
4572 struct skinny_addon *a, *alast;
4573
4574 ast_mutex_lock(&devicelock);
4575
4576 /* Delete all devices */
4577 for (d=devices;d;) {
4578 /* Delete all lines for this device */
4579 for (l=d->lines;l;) {
4580 llast = l;
4581 l = l->next;
4582 ast_mutex_destroy(&llast->lock);
4583 free(llast);
4584 }
4585 /* Delete all speeddials for this device */
4586 for (sd=d->speeddials;sd;) {
4587 sdlast = sd;
4588 sd = sd->next;
4589 ast_mutex_destroy(&sdlast->lock);
4590 free(sdlast);
4591 }
4592 /* Delete all addons for this device */
4593 for (a=d->addons;a;) {
4594 alast = a;
4595 a = a->next;
4596 ast_mutex_destroy(&alast->lock);
4597 free(alast);
4598 }
4599 dlast = d;
4600 d = d->next;
4601 free(dlast);
4602 }
4603 devices=NULL;
4604 ast_mutex_unlock(&devicelock);
4605 }
4606
4607 #if 0
4608 /*
4609 * XXX This never worked properly anyways.
4610 * Let's get rid of it, until we can fix it.
4611 */
4612 static int reload(void)
4613 {
4614 delete_devices();
4615 reload_config();
4616 restart_monitor();
4617 return 0;
4618 }
4619 #endif
4620
4621 static int load_module(void)
4622 {
4623 int res = 0;
4624
4625 for (; res < (sizeof(soft_key_template_default) / sizeof(soft_key_template_default[0])); res++) {
4626 soft_key_template_default[res].softKeyEvent = htolel(soft_key_template_default[res].softKeyEvent);
4627 }
4628 /* load and parse config */
4629 res = reload_config();
4630 if (res == -1) {
4631 return AST_MODULE_LOAD_DECLINE;
4632 }
4633
4634 /* Make sure we can register our skinny channel type */
4635 if (ast_channel_register(&skinny_tech)) {
4636 ast_log(LOG_ERROR, "Unable to register channel class 'Skinny'\n");
4637 return -1;
4638 }
4639
4640 ast_rtp_proto_register(&skinny_rtp);
4641 ast_cli_register_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
4642 sched = sched_context_create();
4643 if (!sched) {
4644 ast_log(LOG_WARNING, "Unable to create schedule context\n");
4645 }
4646 io = io_context_create();
4647 if (!io) {
4648 ast_log(LOG_WARNING, "Unable to create I/O context\n");
4649 }
4650 /* And start the monitor for the first time */
4651 restart_monitor();
4652
4653 return res;
4654 }
4655
4656 static int unload_module(void)
4657 {
4658 struct skinnysession *s, *slast;
4659 struct skinny_device *d;
4660 struct skinny_line *l;
4661 struct skinny_subchannel *sub;
4662
4663 ast_mutex_lock(&sessionlock);
4664 /* Destroy all the interfaces and free their memory */
4665 s = sessions;
4666 while(s) {
4667 slast = s;
4668 s = s->next;
4669 for (d = slast->device; d; d = d->next) {
4670 for (l = d->lines; l; l = l->next) {
4671 ast_mutex_lock(&l->lock);
4672 for (sub = l->sub; sub; sub = sub->next) {
4673 ast_mutex_lock(&sub->lock);
4674 if (sub->owner) {
4675 sub->alreadygone = 1;
4676 ast_softhangup(sub->owner, AST_SOFTHANGUP_APPUNLOAD);
4677 }
4678 ast_mutex_unlock(&sub->lock);
4679 }
4680 ast_mutex_unlock(&l->lock);
4681 }
4682 }
4683 if (slast->fd > -1)
4684 close(slast->fd);
4685 ast_mutex_destroy(&slast->lock);
4686 free(slast);
4687 }
4688 sessions = NULL;
4689 ast_mutex_unlock(&sessionlock);
4690
4691 delete_devices();
4692
4693 ast_mutex_lock(&monlock);
4694 if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP)) {
4695 pthread_cancel(monitor_thread);
4696 pthread_kill(monitor_thread, SIGURG);
4697 pthread_join(monitor_thread, NULL);
4698 }
4699 monitor_thread = AST_PTHREADT_STOP;
4700 ast_mutex_unlock(&monlock);
4701
4702 ast_mutex_lock(&netlock);
4703 if (accept_t && (accept_t != AST_PTHREADT_STOP)) {
4704 pthread_cancel(accept_t);
4705 pthread_kill(accept_t, SIGURG);
4706 pthread_join(accept_t, NULL);
4707 }
4708 accept_t = AST_PTHREADT_STOP;
4709 ast_mutex_unlock(&netlock);
4710
4711 ast_rtp_proto_unregister(&skinny_rtp);
4712 ast_channel_unregister(&skinny_tech);
4713 ast_cli_unregister_multiple(cli_skinny, sizeof(cli_skinny) / sizeof(struct ast_cli_entry));
4714
4715 close(skinnysock);
4716 sched_context_destroy(sched);
4717
4718 return 0;
4719 }
4720
4721 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Skinny Client Control Protocol (Skinny)",
4722 .load = load_module,
4723 .unload = unload_module,
4724 );
Open Source Private Branch Exchange (PBX)