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pass the right variable to get an error string... oops
[asterisk-bristuff.git] / channels / chan_vpb.cc
blobc12af7ccf0d59b055e669d28ac93d76e85b3902d
1 /*
2 * Asterisk -- An open source telephony toolkit.
3 *
4 * Copyright (C) 2003, Paul Bagyenda
5 * Paul Bagyenda <bagyenda@dsmagic.com>
6 * Copyright (C) 2004 - 2005, Ben Kramer
7 * Ben Kramer <ben@voicetronix.com.au>
8 *
9 * Daniel Bichara <daniel@bichara.com.br> - Brazilian CallerID detection (c)2004
10 *
11 * Welber Silveira - welberms@magiclink.com.br - (c)2004
12 * Copying CLID string to propper structure after detection
13 *
14 * See http://www.asterisk.org for more information about
15 * the Asterisk project. Please do not directly contact
16 * any of the maintainers of this project for assistance;
17 * the project provides a web site, mailing lists and IRC
18 * channels for your use.
19 *
20 * This program is free software, distributed under the terms of
21 * the GNU General Public License Version 2. See the LICENSE file
22 * at the top of the source tree.
23 */
24
25 /*! \file
26 *
27 * \brief VoiceTronix Interface driver
28 *
29 * \ingroup channel_drivers
30 */
31
32 /*** MODULEINFO
33 <depend>vpbapi</depend>
34 ***/
35
36 extern "C" {
37
38 #include "asterisk.h"
39
40 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
41
42 #include <stdio.h>
43 #include <string.h>
44
45 #include "asterisk/lock.h"
46 #include "asterisk/utils.h"
47 #include "asterisk/channel.h"
48 #include "asterisk/config.h"
49 #include "asterisk/logger.h"
50 #include "asterisk/module.h"
51 #include "asterisk/pbx.h"
52 #include "asterisk/options.h"
53 #include "asterisk/callerid.h"
54 #include "asterisk/dsp.h"
55 #include "asterisk/features.h"
56 #include "asterisk/musiconhold.h"
57 }
58
59 #include <sys/socket.h>
60 #include <sys/time.h>
61 #include <errno.h>
62 #include <unistd.h>
63 #include <stdlib.h>
64 #include <arpa/inet.h>
65 #include <fcntl.h>
66 #include <sys/ioctl.h>
67 #include <ctype.h>
68
69 #include <vpbapi.h>
70 #include <assert.h>
71
72 #ifdef pthread_create
73 #undef pthread_create
74 #endif
75
76 #define DEFAULT_GAIN 0
77 #define DEFAULT_ECHO_CANCEL 1
78
79 #define VPB_SAMPLES 160
80 #define VPB_MAX_BUF VPB_SAMPLES*4 + AST_FRIENDLY_OFFSET
81
82 #define VPB_NULL_EVENT 200
83
84 #define VPB_WAIT_TIMEOUT 4000
85
86 #define MAX_VPB_GAIN 12.0
87 #define MIN_VPB_GAIN -12.0
88
89 #define DTMF_CALLERID
90 #define DTMF_CID_START 'D'
91 #define DTMF_CID_STOP 'C'
92
93 /**/
94 #if defined(__cplusplus) || defined(c_plusplus)
95 extern "C" {
96 #endif
97 /**/
98
99 static const char desc[] = "VoiceTronix V6PCI/V12PCI/V4PCI API Support";
100 static const char tdesc[] = "Standard VoiceTronix API Driver";
101 static const char config[] = "vpb.conf";
102
103 /* Default context for dialtone mode */
104 static char context[AST_MAX_EXTENSION] = "default";
105
106 /* Default language */
107 static char language[MAX_LANGUAGE] = "";
108 static int usecnt =0;
109
110 static int gruntdetect_timeout = 3600000; /* Grunt detect timeout is 1hr. */
111
112 static const int prefformat = AST_FORMAT_SLINEAR;
113
114 AST_MUTEX_DEFINE_STATIC(usecnt_lock);
115
116 /* Protect the interface list (of vpb_pvt's) */
117 AST_MUTEX_DEFINE_STATIC(iflock);
118
119 /* Protect the monitoring thread, so only one process can kill or start it, and not
120 when it's doing something critical. */
121 AST_MUTEX_DEFINE_STATIC(monlock);
122
123 /* This is the thread for the monitor which checks for input on the channels
124 which are not currently in use. */
125 static pthread_t monitor_thread;
126
127 static int mthreadactive = -1; /* Flag for monitoring monitorthread.*/
128
129
130 static int restart_monitor(void);
131
132 /* The private structures of the VPB channels are
133 linked for selecting outgoing channels */
134
135 #define MODE_DIALTONE 1
136 #define MODE_IMMEDIATE 2
137 #define MODE_FXO 3
138
139 /* Pick a country or add your own! */
140 /* These are the tones that are played to the user */
141 #define TONES_AU
142 /* #define TONES_USA */
143
144 #ifdef TONES_AU
145 static VPB_TONE Dialtone = {440, 440, 440, -10, -10, -10, 5000, 0 };
146 static VPB_TONE Busytone = {470, 0, 0, -10, -100, -100, 5000, 0 };
147 static VPB_TONE Ringbacktone = {400, 50, 440, -10, -10, -10, 1400, 800 };
148 #endif
149 #ifdef TONES_USA
150 static VPB_TONE Dialtone = {350, 440, 0, -16, -16, -100, 10000, 0};
151 static VPB_TONE Busytone = {480, 620, 0, -10, -10, -100, 500, 500};
152 static VPB_TONE Ringbacktone = {440, 480, 0, -20, -20, -100, 2000, 4000};
153 #endif
154
155 /* grunt tone defn's */
156 #if 0
157 static VPB_DETECT toned_grunt = { 3, VPB_GRUNT, 1, 2000, 3000, 0, 0, -40, 0, 0, 0, 40, { { VPB_DELAY, 1000, 0, 0 }, { VPB_RISING, 0, 40, 0 }, { 0, 100, 0, 0 } } };
158 #endif
159 static VPB_DETECT toned_ungrunt = { 2, VPB_GRUNT, 1, 2000, 1, 0, 0, -40, 0, 0, 30, 40, { { 0, 0, 0, 0 } } };
160
161 /* Use loop polarity detection for CID */
162 static int UsePolarityCID=0;
163
164 /* Use loop drop detection */
165 static int UseLoopDrop=1;
166
167 /* To use or not to use Native bridging */
168 static int UseNativeBridge=1;
169
170 /* Use Asterisk Indication or VPB */
171 static int use_ast_ind=0;
172
173 /* Use Asterisk DTMF detection or VPB */
174 static int use_ast_dtmfdet=0;
175
176 static int relaxdtmf=0;
177
178 /* Use Asterisk DTMF play back or VPB */
179 static int use_ast_dtmf=0;
180
181 /* Break for DTMF on native bridge ? */
182 static int break_for_dtmf=1;
183
184 /* Set EC suppression threshold */
185 static int ec_supp_threshold=-1;
186
187 /* Inter Digit Delay for collecting DTMF's */
188 static int dtmf_idd = 3000;
189
190 #define TIMER_PERIOD_RINGBACK 2000
191 #define TIMER_PERIOD_BUSY 700
192 #define TIMER_PERIOD_RING 4000
193 static int timer_period_ring = TIMER_PERIOD_RING;
194
195 #define VPB_EVENTS_ALL (VPB_MRING|VPB_MDIGIT|VPB_MDTMF|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \
196 |VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \
197 |VPB_MRING_OFF|VPB_MDROP|VPB_MSTATION_FLASH)
198 #define VPB_EVENTS_NODROP (VPB_MRING|VPB_MDIGIT|VPB_MDTMF|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \
199 |VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \
200 |VPB_MRING_OFF|VPB_MSTATION_FLASH)
201 #define VPB_EVENTS_NODTMF (VPB_MRING|VPB_MDIGIT|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \
202 |VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \
203 |VPB_MRING_OFF|VPB_MDROP|VPB_MSTATION_FLASH)
204 #define VPB_EVENTS_STAT (VPB_MRING|VPB_MDIGIT|VPB_MDTMF|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \
205 |VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \
206 |VPB_MRING_OFF|VPB_MSTATION_FLASH)
207
208
209 /* Dialing parameters for Australia */
210 /* #define DIAL_WITH_CALL_PROGRESS */
211 VPB_TONE_MAP DialToneMap[] = { { VPB_BUSY_AUST, VPB_CALL_DISCONNECT, 0 },
212 { VPB_DIAL, VPB_CALL_DIALTONE, 0 },
213 { VPB_RINGBACK_308, VPB_CALL_RINGBACK, 0 },
214 { VPB_BUSY_AUST, VPB_CALL_BUSY, 0 },
215 { VPB_GRUNT, VPB_CALL_GRUNT, 0 },
216 { 0, 0, 1 } };
217 #define VPB_DIALTONE_WAIT 2000 /* Wait up to 2s for a dialtone */
218 #define VPB_RINGWAIT 4000 /* Wait up to 4s for ring tone after dialing */
219 #define VPB_CONNECTED_WAIT 4000 /* If no ring tone detected for 4s then consider call connected */
220 #define TIMER_PERIOD_NOANSWER 120000 /* Let it ring for 120s before deciding theres noone there */
221
222 #define MAX_BRIDGES_V4PCI 2
223 #define MAX_BRIDGES_V12PCI 128
224
225 /* port states */
226 #define VPB_STATE_ONHOOK 0
227 #define VPB_STATE_OFFHOOK 1
228 #define VPB_STATE_DIALLING 2
229 #define VPB_STATE_JOINED 3
230 #define VPB_STATE_GETDTMF 4
231 #define VPB_STATE_PLAYDIAL 5
232 #define VPB_STATE_PLAYBUSY 6
233 #define VPB_STATE_PLAYRING 7
234
235 #define VPB_GOT_RXHWG 1
236 #define VPB_GOT_TXHWG 2
237 #define VPB_GOT_RXSWG 4
238 #define VPB_GOT_TXSWG 8
239
240 typedef struct {
241 int inuse;
242 struct ast_channel *c0, *c1, **rc;
243 struct ast_frame **fo;
244 int flags;
245 ast_mutex_t lock;
246 ast_cond_t cond;
247 int endbridge;
248 } vpb_bridge_t;
249
250 static vpb_bridge_t * bridges;
251 static int max_bridges = MAX_BRIDGES_V4PCI;
252
253 AST_MUTEX_DEFINE_STATIC(bridge_lock);
254
255 typedef enum {
256 vpb_model_unknown = 0,
257 vpb_model_v4pci,
258 vpb_model_v12pci
259 } vpb_model_t;
260
261 static struct vpb_pvt {
262
263 ast_mutex_t owner_lock; /* Protect blocks that expect ownership to remain the same */
264 struct ast_channel *owner; /* Channel who owns us, possibly NULL */
265
266 int golock; /* Got owner lock ? */
267
268 int mode; /* fxo/imediate/dialtone*/
269 int handle; /* Handle for vpb interface */
270
271 int state; /* used to keep port state (internal to driver) */
272
273 int group; /* Which group this port belongs to */
274 ast_group_t callgroup; /* Call group */
275 ast_group_t pickupgroup; /* Pickup group */
276
277
278 char dev[256]; /* Device name, eg vpb/1-1 */
279 vpb_model_t vpb_model; /* card model */
280
281 struct ast_frame f, fr; /* Asterisk frame interface */
282 char buf[VPB_MAX_BUF]; /* Static buffer for reading frames */
283
284 int dialtone; /* NOT USED */
285 float txgain, rxgain; /* Hardware gain control */
286 float txswgain, rxswgain; /* Software gain control */
287
288 int wantdtmf; /* Waiting for DTMF. */
289 char context[AST_MAX_EXTENSION]; /* The context for this channel */
290
291 char ext[AST_MAX_EXTENSION]; /* DTMF buffer for the ext[ens] */
292 char language[MAX_LANGUAGE]; /* language being used */
293 char callerid[AST_MAX_EXTENSION]; /* CallerId used for directly connected phone */
294 int callerid_type; /* Caller ID type: 0=>none 1=>vpb 2=>AstV23 3=>AstBell */
295 char cid_num[AST_MAX_EXTENSION];
296 char cid_name[AST_MAX_EXTENSION];
297
298 int dtmf_caller_pos; /* DTMF CallerID detection (Brazil)*/
299
300 int lastoutput; /* Holds the last Audio format output'ed */
301 int lastinput; /* Holds the last Audio format input'ed */
302 int last_ignore_dtmf;
303
304 void *busy_timer; /* Void pointer for busy vpb_timer */
305 int busy_timer_id; /* unique timer ID for busy timer */
306
307 void *ringback_timer; /* Void pointer for ringback vpb_timer */
308 int ringback_timer_id; /* unique timer ID for ringback timer */
309
310 void *ring_timer; /* Void pointer for ring vpb_timer */
311 int ring_timer_id; /* unique timer ID for ring timer */
312
313 void *dtmfidd_timer; /* Void pointer for DTMF IDD vpb_timer */
314 int dtmfidd_timer_id; /* unique timer ID for DTMF IDD timer */
315
316 struct ast_dsp *vad; /* AST Voice Activation Detection dsp */
317
318 struct timeval lastgrunt; /* time stamp of last grunt event */
319
320 ast_mutex_t lock; /* This one just protects bridge ptr below */
321 vpb_bridge_t *bridge;
322
323 int stopreads; /* Stop reading...*/
324 int read_state; /* Read state */
325 int chuck_count; /* a count of packets weve chucked away!*/
326 pthread_t readthread; /* For monitoring read channel. One per owned channel. */
327
328 ast_mutex_t record_lock; /* This one prevents reentering a record_buf block */
329 ast_mutex_t play_lock; /* This one prevents reentering a play_buf block */
330 int play_buf_time; /* How long the last play_buf took */
331 struct timeval lastplay; /* Last play time */
332
333 ast_mutex_t play_dtmf_lock;
334 char play_dtmf[16];
335
336 int faxhandled; /* has a fax tone been handled ? */
337
338 struct vpb_pvt *next; /* Next channel in list */
339
340 } *iflist = NULL;
341
342 static struct ast_channel *vpb_new(struct vpb_pvt *i, enum ast_channel_state state, char *context);
343 static void *do_chanreads(void *pvt);
344 static struct ast_channel *vpb_request(const char *type, int format, void *data, int *cause);
345 static int vpb_digit_begin(struct ast_channel *ast, char digit);
346 static int vpb_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
347 static int vpb_call(struct ast_channel *ast, char *dest, int timeout);
348 static int vpb_hangup(struct ast_channel *ast);
349 static int vpb_answer(struct ast_channel *ast);
350 static struct ast_frame *vpb_read(struct ast_channel *ast);
351 static int vpb_write(struct ast_channel *ast, struct ast_frame *frame);
352 static enum ast_bridge_result ast_vpb_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc, int timeoutms);
353 static int vpb_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen);
354 static int vpb_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
355
356 static struct ast_channel_tech vpb_tech = {
357 type: "vpb",
358 description: tdesc,
359 capabilities: AST_FORMAT_SLINEAR,
360 properties: 0,
361 requester: vpb_request,
362 devicestate: NULL,
363 send_digit_begin: vpb_digit_begin,
364 send_digit_end: vpb_digit_end,
365 call: vpb_call,
366 hangup: vpb_hangup,
367 answer: vpb_answer,
368 read: vpb_read,
369 write: vpb_write,
370 send_text: NULL,
371 send_image: NULL,
372 send_html: NULL,
373 exception: NULL,
374 bridge: ast_vpb_bridge,
375 indicate: vpb_indicate,
376 fixup: vpb_fixup,
377 setoption: NULL,
378 queryoption: NULL,
379 transfer: NULL,
380 write_video: NULL,
381 bridged_channel: NULL
382 };
383
384 static struct ast_channel_tech vpb_tech_indicate = {
385 type: "vpb",
386 description: tdesc,
387 capabilities: AST_FORMAT_SLINEAR,
388 properties: 0,
389 requester: vpb_request,
390 devicestate: NULL,
391 send_digit_begin: vpb_digit_begin,
392 send_digit_end: vpb_digit_end,
393 call: vpb_call,
394 hangup: vpb_hangup,
395 answer: vpb_answer,
396 read: vpb_read,
397 write: vpb_write,
398 send_text: NULL,
399 send_image: NULL,
400 send_html: NULL,
401 exception: NULL,
402 bridge: ast_vpb_bridge,
403 indicate: NULL,
404 fixup: vpb_fixup,
405 setoption: NULL,
406 queryoption: NULL,
407 transfer: NULL,
408 write_video: NULL,
409 bridged_channel: NULL
410 };
411
412 /* Can't get ast_vpb_bridge() working on v4pci without either a horrible
413 * high pitched feedback noise or bad hiss noise depending on gain settings
414 * Get asterisk to do the bridging
415 */
416 #define BAD_V4PCI_BRIDGE
417
418 /* This one enables a half duplex bridge which may be required to prevent high pitched
419 * feedback when getting asterisk to do the bridging and when using certain gain settings.
420 */
421 /* #define HALF_DUPLEX_BRIDGE */
422
423 /* This is the Native bridge code, which Asterisk will try before using its own bridging code */
424 static enum ast_bridge_result ast_vpb_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc, int timeoutms)
425 {
426 struct vpb_pvt *p0 = (struct vpb_pvt *)c0->tech_pvt;
427 struct vpb_pvt *p1 = (struct vpb_pvt *)c1->tech_pvt;
428 int i;
429 int res;
430 struct ast_channel *cs[3];
431 struct ast_channel *who;
432 struct ast_frame *f;
433
434 cs[0] = c0;
435 cs[1] = c1;
436
437 #ifdef BAD_V4PCI_BRIDGE
438 if(p0->vpb_model==vpb_model_v4pci)
439 return AST_BRIDGE_FAILED_NOWARN;
440 #endif
441 if ( UseNativeBridge != 1){
442 return AST_BRIDGE_FAILED_NOWARN;
443 }
444
445 /*
446 ast_mutex_lock(&p0->lock);
447 ast_mutex_lock(&p1->lock);
448 */
449
450 /* Bridge channels, check if we can. I believe we always can, so find a slot.*/
451
452 ast_mutex_lock(&bridge_lock); {
453 for (i = 0; i < max_bridges; i++)
454 if (!bridges[i].inuse)
455 break;
456 if (i < max_bridges) {
457 bridges[i].inuse = 1;
458 bridges[i].endbridge = 0;
459 bridges[i].flags = flags;
460 bridges[i].rc = rc;
461 bridges[i].fo = fo;
462 bridges[i].c0 = c0;
463 bridges[i].c1 = c1;
464 }
465 } ast_mutex_unlock(&bridge_lock);
466
467 if (i == max_bridges) {
468 ast_log(LOG_WARNING, "%s: vpb_bridge: Failed to bridge %s and %s!\n", p0->dev, c0->name, c1->name);
469 ast_mutex_unlock(&p0->lock);
470 ast_mutex_unlock(&p1->lock);
471 return AST_BRIDGE_FAILED_NOWARN;
472 } else {
473 /* Set bridge pointers. You don't want to take these locks while holding bridge lock.*/
474 ast_mutex_lock(&p0->lock); {
475 p0->bridge = &bridges[i];
476 } ast_mutex_unlock(&p0->lock);
477
478 ast_mutex_lock(&p1->lock); {
479 p1->bridge = &bridges[i];
480 } ast_mutex_unlock(&p1->lock);
481
482 if (option_verbose>1)
483 ast_verbose(VERBOSE_PREFIX_2 "%s: vpb_bridge: Bridging call entered with [%s, %s]\n",p0->dev, c0->name, c1->name);
484 }
485
486 if (option_verbose > 2)
487 ast_verbose(VERBOSE_PREFIX_3 "Native bridging %s and %s\n", c0->name, c1->name);
488
489 #ifdef HALF_DUPLEX_BRIDGE
490
491 if (option_verbose>1)
492 ast_verbose(VERBOSE_PREFIX_2 "%s: vpb_bridge: Starting half-duplex bridge [%s, %s]\n",p0->dev, c0->name, c1->name);
493
494 int dir = 0;
495
496 memset(p0->buf, 0, sizeof p0->buf);
497 memset(p1->buf, 0, sizeof p1->buf);
498
499 vpb_record_buf_start(p0->handle, VPB_ALAW);
500 vpb_record_buf_start(p1->handle, VPB_ALAW);
501
502 vpb_play_buf_start(p0->handle, VPB_ALAW);
503 vpb_play_buf_start(p1->handle, VPB_ALAW);
504
505 while( !bridges[i].endbridge ) {
506 struct vpb_pvt *from, *to;
507 if(++dir%2) {
508 from = p0;
509 to = p1;
510 } else {
511 from = p1;
512 to = p0;
513 }
514 vpb_record_buf_sync(from->handle, from->buf, VPB_SAMPLES);
515 vpb_play_buf_sync(to->handle, from->buf, VPB_SAMPLES);
516 }
517
518 vpb_record_buf_finish(p0->handle);
519 vpb_record_buf_finish(p1->handle);
520
521 vpb_play_buf_finish(p0->handle);
522 vpb_play_buf_finish(p1->handle);
523
524 if (option_verbose>1)
525 ast_verbose(VERBOSE_PREFIX_2 "%s: vpb_bridge: Finished half-duplex bridge [%s, %s]\n",p0->dev, c0->name, c1->name);
526
527 res = VPB_OK;
528
529 #else
530
531 res = vpb_bridge(p0->handle, p1->handle, VPB_BRIDGE_ON, i+1 /* resource 1 & 2 only for V4PCI*/ );
532 if (res == VPB_OK) {
533 /* pthread_cond_wait(&bridges[i].cond, &bridges[i].lock);*/ /* Wait for condition signal. */
534 while( !bridges[i].endbridge ) {
535 /* Are we really ment to be doing nothing ?!?! */
536 who = ast_waitfor_n(cs, 2, &timeoutms);
537 if (!who) {
538 if (!timeoutms) {
539 res = AST_BRIDGE_RETRY;
540 break;
541 }
542 ast_log(LOG_DEBUG, "%s: vpb_bridge: Empty frame read...\n",p0->dev);
543 /* check for hangup / whentohangup */
544 if (ast_check_hangup(c0) || ast_check_hangup(c1))
545 break;
546 continue;
547 }
548 f = ast_read(who);
549 if (!f || ((f->frametype == AST_FRAME_DTMF) &&
550 (((who == c0) && (flags & AST_BRIDGE_DTMF_CHANNEL_0)) ||
551 ((who == c1) && (flags & AST_BRIDGE_DTMF_CHANNEL_1))))) {
552 *fo = f;
553 *rc = who;
554 ast_log(LOG_DEBUG, "%s: vpb_bridge: Got a [%s]\n",p0->dev, f ? "digit" : "hangup");
555 /*
556 if ((c0->tech_pvt == pvt0) && (!c0->_softhangup)) {
557 if (pr0->set_rtp_peer(c0, NULL, NULL, 0))
558 ast_log(LOG_WARNING, "Channel '%s' failed to revert\n", c0->name);
559 }
560 if ((c1->tech_pvt == pvt1) && (!c1->_softhangup)) {
561 if (pr1->set_rtp_peer(c1, NULL, NULL, 0))
562 ast_log(LOG_WARNING, "Channel '%s' failed to revert back\n", c1->name);
563 }
564 */
565 /* That's all we needed */
566 /*return 0; */
567 /* Check if we need to break */
568 if (break_for_dtmf){
569 break;
570 }
571 else if ((f->frametype == AST_FRAME_DTMF) && ((f->subclass == '#')||(f->subclass == '*'))){
572 break;
573 }
574 } else {
575 if ((f->frametype == AST_FRAME_DTMF) ||
576 (f->frametype == AST_FRAME_VOICE) ||
577 (f->frametype == AST_FRAME_VIDEO))
578 {
579 /* Forward voice or DTMF frames if they happen upon us */
580 /* Actually I dont think we want to forward on any frames!
581 if (who == c0) {
582 ast_write(c1, f);
583 } else if (who == c1) {
584 ast_write(c0, f);
585 }
586 */
587 }
588 ast_frfree(f);
589 }
590 /* Swap priority not that it's a big deal at this point */
591 cs[2] = cs[0];
592 cs[0] = cs[1];
593 cs[1] = cs[2];
594 };
595 vpb_bridge(p0->handle, p1->handle, VPB_BRIDGE_OFF, i+1 /* resource 1 & 2 only for V4PCI*/ );
596 }
597
598 #endif
599
600 ast_mutex_lock(&bridge_lock); {
601 bridges[i].inuse = 0;
602 } ast_mutex_unlock(&bridge_lock);
603
604 p0->bridge = NULL;
605 p1->bridge = NULL;
606
607
608 if (option_verbose>1)
609 ast_verbose(VERBOSE_PREFIX_2 "Bridging call done with [%s, %s] => %d\n", c0->name, c1->name, res);
610
611 /*
612 ast_mutex_unlock(&p0->lock);
613 ast_mutex_unlock(&p1->lock);
614 */
615 return (res==VPB_OK) ? AST_BRIDGE_COMPLETE : AST_BRIDGE_FAILED;
616 }
617
618 /* Caller ID can be located in different positions between the rings depending on your Telco
619 * Australian (Telstra) callerid starts 700ms after 1st ring and finishes 1.5s after first ring
620 * Use ANALYSE_CID to record rings and determine location of callerid
621 */
622 /* #define ANALYSE_CID */
623 #define RING_SKIP 300
624 #define CID_MSECS 2000
625
626 static void get_callerid(struct vpb_pvt *p)
627 {
628 short buf[CID_MSECS*8]; /* 8kHz sampling rate */
629 struct timeval cid_record_time;
630 int rc;
631 struct ast_channel *owner = p->owner;
632 /*
633 char callerid[AST_MAX_EXTENSION] = "";
634 */
635 #ifdef ANALYSE_CID
636 void * ws;
637 char * file="cidsams.wav";
638 #endif
639
640
641 if( ast_mutex_trylock(&p->record_lock) == 0 ) {
642
643 cid_record_time = ast_tvnow();
644 if (option_verbose>3)
645 ast_verbose(VERBOSE_PREFIX_4 "CID record - start\n");
646
647 /* Skip any trailing ringtone */
648 if (UsePolarityCID != 1){
649 vpb_sleep(RING_SKIP);
650 }
651
652 if (option_verbose>3)
653 ast_verbose(VERBOSE_PREFIX_4 "CID record - skipped %dms trailing ring\n",
654 ast_tvdiff_ms(ast_tvnow(), cid_record_time));
655 cid_record_time = ast_tvnow();
656
657 /* Record bit between the rings which contains the callerid */
658 vpb_record_buf_start(p->handle, VPB_LINEAR);
659 rc = vpb_record_buf_sync(p->handle, (char*)buf, sizeof(buf));
660 vpb_record_buf_finish(p->handle);
661 #ifdef ANALYSE_CID
662 vpb_wave_open_write(&ws, file, VPB_LINEAR);
663 vpb_wave_write(ws,(char*)buf,sizeof(buf));
664 vpb_wave_close_write(ws);
665 #endif
666
667 if (option_verbose>3)
668 ast_verbose(VERBOSE_PREFIX_4 "CID record - recorded %dms between rings\n",
669 ast_tvdiff_ms(ast_tvnow(), cid_record_time));
670
671 ast_mutex_unlock(&p->record_lock);
672
673 if( rc != VPB_OK ) {
674 ast_log(LOG_ERROR, "Failed to record caller id sample on %s\n", p->dev );
675 return;
676 }
677
678 VPB_CID *cli_struct = new VPB_CID;
679 cli_struct->ra_cldn[0]=0;
680 cli_struct->ra_cn[0]=0;
681 /* This decodes FSK 1200baud type callerid */
682 if ((rc=vpb_cid_decode2(cli_struct, buf, CID_MSECS*8)) == VPB_OK ) {
683 /*
684 if (owner->cid.cid_num)
685 free(owner->cid.cid_num);
686 owner->cid.cid_num=NULL;
687 if (owner->cid.cid_name)
688 free(owner->cid.cid_name);
689 owner->cid.cid_name=NULL;
690 */
691
692 if (cli_struct->ra_cldn[0]=='\0'){
693 /*
694 owner->cid.cid_num = strdup(cli_struct->cldn);
695 owner->cid.cid_name = strdup(cli_struct->cn);
696 */
697 if (owner){
698 ast_set_callerid(owner, cli_struct->cldn, cli_struct->cn, cli_struct->cldn);
699 } else {
700 strcpy(p->cid_num, cli_struct->cldn);
701 strcpy(p->cid_name, cli_struct->cn);
702
703 }
704 if (option_verbose>3)
705 ast_verbose(VERBOSE_PREFIX_4 "CID record - got [%s] [%s]\n",owner->cid.cid_num,owner->cid.cid_name );
706 snprintf(p->callerid,sizeof(p->callerid)-1,"%s %s",cli_struct->cldn,cli_struct->cn);
707 }
708 else {
709 ast_log(LOG_ERROR,"CID record - No caller id avalable on %s \n", p->dev);
710 }
711
712 } else {
713 ast_log(LOG_ERROR, "CID record - Failed to decode caller id on %s - %s\n", p->dev, vpb_strerror(rc) );
714 strncpy(p->callerid,"unknown", sizeof(p->callerid) - 1);
715 }
716 delete cli_struct;
717
718 } else
719 ast_log(LOG_ERROR, "CID record - Failed to set record mode for caller id on %s\n", p->dev );
720 }
721
722 static void get_callerid_ast(struct vpb_pvt *p)
723 {
724 struct callerid_state *cs;
725 char buf[1024];
726 char *name=NULL, *number=NULL;
727 int flags;
728 int rc=0,vrc;
729 int sam_count=0;
730 struct ast_channel *owner = p->owner;
731 int which_cid;
732 /*
733 float old_gain;
734 */
735 #ifdef ANALYSE_CID
736 void * ws;
737 char * file="cidsams.wav";
738 #endif
739
740 if(p->callerid_type == 1) {
741 if (option_verbose>3) ast_verbose(VERBOSE_PREFIX_4 "Collected caller ID already\n");
742 return;
743 }
744 else if(p->callerid_type == 2 ) {
745 which_cid=CID_SIG_V23;
746 if (option_verbose>3) ast_verbose(VERBOSE_PREFIX_4 "Collecting Caller ID v23...\n");
747 }
748 else if(p->callerid_type == 3) {
749 which_cid=CID_SIG_BELL;
750 if (option_verbose>3) ast_verbose(VERBOSE_PREFIX_4 "Collecting Caller ID bell...\n");
751 }
752 else {
753 if (option_verbose>3)
754 ast_verbose(VERBOSE_PREFIX_4 "Caller ID disabled\n");
755 return;
756 }
757 /* vpb_sleep(RING_SKIP); */
758 /* vpb_record_get_gain(p->handle, &old_gain); */
759 cs = callerid_new(which_cid);
760 if (cs){
761 #ifdef ANALYSE_CID
762 vpb_wave_open_write(&ws, file, VPB_MULAW);
763 vpb_record_set_gain(p->handle, 3.0);
764 vpb_record_set_hw_gain(p->handle,12.0);
765 #endif
766 vpb_record_buf_start(p->handle, VPB_MULAW);
767 while((rc == 0)&&(sam_count<8000*3)){
768 vrc = vpb_record_buf_sync(p->handle, (char*)buf, sizeof(buf));
769 if (vrc != VPB_OK)
770 ast_log(LOG_ERROR, "%s: Caller ID couldnt read audio buffer!\n",p->dev);
771 rc = callerid_feed(cs,(unsigned char *)buf,sizeof(buf),AST_FORMAT_ULAW);
772 #ifdef ANALYSE_CID
773 vpb_wave_write(ws,(char*)buf,sizeof(buf));
774 #endif
775 sam_count+=sizeof(buf);
776 if (option_verbose>3) ast_verbose(VERBOSE_PREFIX_4 "Collecting Caller ID samples [%d][%d]...\n",sam_count,rc);
777 }
778 vpb_record_buf_finish(p->handle);
779 #ifdef ANALYSE_CID
780 vpb_wave_close_write(ws);
781 #endif
782 if (rc == 1){
783 callerid_get(cs, &name, &number, &flags);
784 if (option_verbose>0)
785 ast_verbose(VERBOSE_PREFIX_1 "%s: Caller ID name [%s] number [%s] flags [%d]\n",p->dev,name, number,flags);
786 }
787 else {
788 ast_log(LOG_ERROR, "%s: Failed to decode Caller ID \n", p->dev );
789 }
790 /* vpb_record_set_gain(p->handle, old_gain); */
791 /* vpb_record_set_hw_gain(p->handle,6.0); */
792 }
793 else {
794 ast_log(LOG_ERROR, "%s: Failed to create Caller ID struct\n", p->dev );
795 }
796 if (owner->cid.cid_num) {
797 free(owner->cid.cid_num);
798 owner->cid.cid_num = NULL;
799 }
800 if (owner->cid.cid_name) {
801 free(owner->cid.cid_name);
802 owner->cid.cid_name = NULL;
803 }
804 if (number)
805 ast_shrink_phone_number(number);
806 ast_set_callerid(owner,
807 number, name,
808 owner->cid.cid_ani ? NULL : number);
809 if (!ast_strlen_zero(name)){
810 snprintf(p->callerid,(sizeof(p->callerid)-1),"%s %s",number,name);
811 } else {
812 snprintf(p->callerid,(sizeof(p->callerid)-1),"%s",number);
813 }
814 if (cs)
815 callerid_free(cs);
816 }
817
818 /* Terminate any tones we are presently playing */
819 static void stoptone( int handle)
820 {
821 int ret;
822 VPB_EVENT je;
823 while(vpb_playtone_state(handle)!=VPB_OK){
824 vpb_tone_terminate(handle);
825 ret = vpb_get_event_ch_async(handle,&je);
826 if ((ret == VPB_OK)&&(je.type != VPB_DIALEND)){
827 if (option_verbose > 3){
828 ast_verbose(VERBOSE_PREFIX_4 "Stop tone collected a wrong event!![%d]\n",je.type);
829 }
830 /* vpb_put_event(&je); */
831 }
832 vpb_sleep(10);
833 }
834 }
835
836 /* Safe vpb_playtone_async */
837 static int playtone( int handle, VPB_TONE *tone)
838 {
839 int ret=VPB_OK;
840 stoptone(handle);
841 if (option_verbose > 3)
842 ast_verbose(VERBOSE_PREFIX_4 "[%02d]: Playing tone\n", handle);
843 ret = vpb_playtone_async(handle, tone);
844 return ret;
845 }
846
847 static inline int monitor_handle_owned(struct vpb_pvt *p, VPB_EVENT *e)
848 {
849 struct ast_frame f = {AST_FRAME_CONTROL}; /* default is control, Clear rest. */
850 int endbridge = 0;
851 int res=0;
852
853 if (option_verbose > 3)
854 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_owned: got event: [%d=>%d]\n", p->dev, e->type, e->data);
855
856 f.src = "vpb";
857 switch (e->type) {
858 case VPB_RING:
859 if (p->mode == MODE_FXO) {
860 f.subclass = AST_CONTROL_RING;
861 vpb_timer_stop(p->ring_timer);
862 vpb_timer_start(p->ring_timer);
863 } else
864 f.frametype = AST_FRAME_NULL; /* ignore ring on station port. */
865 break;
866
867 case VPB_RING_OFF:
868 f.frametype = AST_FRAME_NULL;
869 break;
870
871 case VPB_TIMEREXP:
872 if (e->data == p->busy_timer_id) {
873 playtone(p->handle,&Busytone);
874 p->state = VPB_STATE_PLAYBUSY;
875 vpb_timer_stop(p->busy_timer);
876 vpb_timer_start(p->busy_timer);
877 f.frametype = AST_FRAME_NULL;
878 } else if (e->data == p->ringback_timer_id) {
879 playtone(p->handle, &Ringbacktone);
880 vpb_timer_stop(p->ringback_timer);
881 vpb_timer_start(p->ringback_timer);
882 f.frametype = AST_FRAME_NULL;
883 } else if (e->data == p->ring_timer_id) {
884 /* We didnt get another ring in time! */
885 if (p->owner->_state != AST_STATE_UP) {
886 /* Assume caller has hung up */
887 vpb_timer_stop(p->ring_timer);
888 f.subclass = AST_CONTROL_HANGUP;
889 } else {
890 vpb_timer_stop(p->ring_timer);
891 f.frametype = AST_FRAME_NULL;
892 }
893
894 } else {
895 f.frametype = AST_FRAME_NULL; /* Ignore. */
896 }
897 break;
898
899 case VPB_DTMF_DOWN:
900 case VPB_DTMF:
901 if (use_ast_dtmfdet){
902 f.frametype = AST_FRAME_NULL;
903 } else if (p->owner->_state == AST_STATE_UP) {
904 f.frametype = AST_FRAME_DTMF;
905 f.subclass = e->data;
906 } else
907 f.frametype = AST_FRAME_NULL;
908 break;
909
910 case VPB_TONEDETECT:
911 if (e->data == VPB_BUSY || e->data == VPB_BUSY_308 || e->data == VPB_BUSY_AUST ) {
912 if (option_verbose > 3)
913 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_owned: got event: BUSY\n", p->dev);
914 if (p->owner->_state == AST_STATE_UP) {
915 f.subclass = AST_CONTROL_HANGUP;
916 }
917 else {
918 f.subclass = AST_CONTROL_BUSY;
919 }
920 }
921 else if (e->data == VPB_FAX){
922 if (!p->faxhandled){
923 if (strcmp(p->owner->exten, "fax")) {
924 const char *target_context = S_OR(p->owner->macrocontext, p->owner->context);
925
926 if (ast_exists_extension(p->owner, target_context, "fax", 1, p->owner->cid.cid_num)) {
927 if (option_verbose > 2)
928 ast_verbose(VERBOSE_PREFIX_3 "Redirecting %s to fax extension\n", p->owner->name);
929 /* Save the DID/DNIS when we transfer the fax call to a "fax" extension */
930 pbx_builtin_setvar_helper(p->owner, "FAXEXTEN", p->owner->exten);
931 if (ast_async_goto(p->owner, target_context, "fax", 1))
932 ast_log(LOG_WARNING, "Failed to async goto '%s' into fax of '%s'\n", p->owner->name, target_context);
933 } else
934 ast_log(LOG_NOTICE, "Fax detected, but no fax extension\n");
935 } else
936 ast_log(LOG_DEBUG, "Already in a fax extension, not redirecting\n");
937 } else
938 ast_log(LOG_DEBUG, "Fax already handled\n");
939
940 }
941 else if (e->data == VPB_GRUNT) {
942 if ( ast_tvdiff_ms(ast_tvnow(), p->lastgrunt) > gruntdetect_timeout ) {
943 /* Nothing heard on line for a very long time
944 * Timeout connection */
945 if (option_verbose > 2)
946 ast_verbose(VERBOSE_PREFIX_3 "grunt timeout\n");
947 ast_log(LOG_NOTICE,"%s: Line hangup due of lack of conversation\n",p->dev);
948 f.subclass = AST_CONTROL_HANGUP;
949 } else {
950 p->lastgrunt = ast_tvnow();
951 f.frametype = AST_FRAME_NULL;
952 }
953 }
954 else {
955 f.frametype = AST_FRAME_NULL;
956 }
957 break;
958
959 case VPB_CALLEND:
960 #ifdef DIAL_WITH_CALL_PROGRESS
961 if (e->data == VPB_CALL_CONNECTED)
962 f.subclass = AST_CONTROL_ANSWER;
963 else if (e->data == VPB_CALL_NO_DIAL_TONE || e->data == VPB_CALL_NO_RING_BACK)
964 f.subclass = AST_CONTROL_CONGESTION;
965 else if (e->data == VPB_CALL_NO_ANSWER || e->data == VPB_CALL_BUSY)
966 f.subclass = AST_CONTROL_BUSY;
967 else if (e->data == VPB_CALL_DISCONNECTED)
968 f.subclass = AST_CONTROL_HANGUP;
969 #else
970 ast_log(LOG_NOTICE,"%s: Got call progress callback but blind dialing \n", p->dev);
971 f.frametype = AST_FRAME_NULL;
972 #endif
973 break;
974
975 case VPB_STATION_OFFHOOK:
976 f.subclass = AST_CONTROL_ANSWER;
977 break;
978
979 case VPB_DROP:
980 if ((p->mode == MODE_FXO)&&(UseLoopDrop)){ /* ignore loop drop on stations */
981 if (p->owner->_state == AST_STATE_UP)
982 f.subclass = AST_CONTROL_HANGUP;
983 else
984 f.frametype = AST_FRAME_NULL;
985 }
986 break;
987 case VPB_LOOP_ONHOOK:
988 if (p->owner->_state == AST_STATE_UP)
989 f.subclass = AST_CONTROL_HANGUP;
990 else
991 f.frametype = AST_FRAME_NULL;
992 break;
993 case VPB_STATION_ONHOOK:
994 f.subclass = AST_CONTROL_HANGUP;
995 break;
996
997 case VPB_STATION_FLASH:
998 f.subclass = AST_CONTROL_FLASH;
999 break;
1000
1001 /* Called when dialing has finished and ringing starts
1002 * No indication that call has really been answered when using blind dialing
1003 */
1004 case VPB_DIALEND:
1005 if (p->state < 5){
1006 f.subclass = AST_CONTROL_ANSWER;
1007 if (option_verbose > 1)
1008 ast_verbose(VERBOSE_PREFIX_2 "%s: Dialend\n", p->dev);
1009 } else {
1010 f.frametype = AST_FRAME_NULL;
1011 }
1012 break;
1013
1014 case VPB_PLAY_UNDERFLOW:
1015 f.frametype = AST_FRAME_NULL;
1016 vpb_reset_play_fifo_alarm(p->handle);
1017 break;
1018
1019 case VPB_RECORD_OVERFLOW:
1020 f.frametype = AST_FRAME_NULL;
1021 vpb_reset_record_fifo_alarm(p->handle);
1022 break;
1023
1024 default:
1025 f.frametype = AST_FRAME_NULL;
1026 break;
1027 }
1028
1029 /*
1030 if (option_verbose > 3) ast_verbose("%s: LOCKING in handle_owned [%d]\n", p->dev,res);
1031 res = ast_mutex_lock(&p->lock);
1032 if (option_verbose > 3) ast_verbose("%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
1033 */
1034 {
1035 if (p->bridge) { /* Check what happened, see if we need to report it. */
1036 switch (f.frametype) {
1037 case AST_FRAME_DTMF:
1038 if ( !(p->bridge->c0 == p->owner &&
1039 (p->bridge->flags & AST_BRIDGE_DTMF_CHANNEL_0) ) &&
1040 !(p->bridge->c1 == p->owner &&
1041 (p->bridge->flags & AST_BRIDGE_DTMF_CHANNEL_1) ))
1042 /* Kill bridge, this is interesting. */
1043 endbridge = 1;
1044 break;
1045
1046 case AST_FRAME_CONTROL:
1047 if (!(p->bridge->flags & AST_BRIDGE_IGNORE_SIGS))
1048 #if 0
1049 if (f.subclass == AST_CONTROL_BUSY ||
1050 f.subclass == AST_CONTROL_CONGESTION ||
1051 f.subclass == AST_CONTROL_HANGUP ||
1052 f.subclass == AST_CONTROL_FLASH)
1053 #endif
1054 endbridge = 1;
1055 break;
1056
1057 default:
1058 break;
1059 }
1060 if (endbridge) {
1061 if (p->bridge->fo)
1062 *p->bridge->fo = ast_frisolate(&f);
1063 if (p->bridge->rc)
1064 *p->bridge->rc = p->owner;
1065
1066 ast_mutex_lock(&p->bridge->lock); {
1067 p->bridge->endbridge = 1;
1068 ast_cond_signal(&p->bridge->cond);
1069 } ast_mutex_unlock(&p->bridge->lock);
1070 }
1071 }
1072 }
1073
1074 if (endbridge){
1075 res = ast_mutex_unlock(&p->lock);
1076 /*
1077 if (option_verbose > 3) ast_verbose("%s: unLOCKING in handle_owned [%d]\n", p->dev,res);
1078 */
1079 return 0;
1080 }
1081
1082 if (option_verbose > 3)
1083 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_owned: Prepared frame type[%d]subclass[%d], bridge=%p owner=[%s]\n",
1084 p->dev, f.frametype, f.subclass, (void *)p->bridge, p->owner->name);
1085
1086 /* Trylock used here to avoid deadlock that can occur if we
1087 * happen to be in here handling an event when hangup is called
1088 * Problem is that hangup holds p->owner->lock
1089 */
1090 if ((f.frametype >= 0)&& (f.frametype != AST_FRAME_NULL)&&(p->owner)) {
1091 if (ast_mutex_trylock(&p->owner->lock)==0) {
1092 ast_queue_frame(p->owner, &f);
1093 ast_mutex_unlock(&p->owner->lock);
1094 if (option_verbose > 3)
1095 ast_verbose(VERBOSE_PREFIX_4 "%s: handled_owned: Queued Frame to [%s]\n", p->dev,p->owner->name);
1096 } else {
1097 ast_verbose("%s: handled_owned: Missed event %d/%d \n",
1098 p->dev,f.frametype, f.subclass);
1099 }
1100 }
1101 res = ast_mutex_unlock(&p->lock);
1102 /*
1103 if (option_verbose > 3) ast_verbose("%s: unLOCKING in handle_owned [%d]\n", p->dev,res);
1104 */
1105
1106 return 0;
1107 }
1108
1109 static inline int monitor_handle_notowned(struct vpb_pvt *p, VPB_EVENT *e)
1110 {
1111 char s[2] = {0};
1112 struct ast_channel *owner = p->owner;
1113 char cid_num[256];
1114 char cid_name[256];
1115 /*
1116 struct ast_channel *c;
1117 */
1118
1119 if (option_verbose > 3) {
1120 char str[VPB_MAX_STR];
1121 vpb_translate_event(e, str);
1122 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_notowned: mode=%d, event[%d][%s]=[%d]\n",
1123 p->dev, p->mode, e->type,str, e->data);
1124 }
1125
1126 switch(e->type) {
1127 case VPB_LOOP_ONHOOK:
1128 case VPB_LOOP_POLARITY:
1129 if (UsePolarityCID == 1){
1130 if (option_verbose>3)
1131 ast_verbose(VERBOSE_PREFIX_4 "Polarity reversal\n");
1132 if(p->callerid_type == 1) {
1133 if (option_verbose>3)
1134 ast_verbose(VERBOSE_PREFIX_4 "Using VPB Caller ID\n");
1135 get_callerid(p); /* UK CID before 1st ring*/
1136 }
1137 /* get_callerid_ast(p); */ /* Caller ID using the ast functions */
1138 }
1139 break;
1140 case VPB_RING:
1141 if (p->mode == MODE_FXO) /* FXO port ring, start * */ {
1142 vpb_new(p, AST_STATE_RING, p->context);
1143 if (UsePolarityCID != 1){
1144 if(p->callerid_type == 1) {
1145 if (option_verbose>3)
1146 ast_verbose(VERBOSE_PREFIX_4 "Using VPB Caller ID\n");
1147 get_callerid(p); /* Australian CID only between 1st and 2nd ring */
1148 }
1149 get_callerid_ast(p); /* Caller ID using the ast functions */
1150 }
1151 else {
1152 ast_log(LOG_ERROR, "Setting caller ID: %s %s\n",p->cid_num, p->cid_name);
1153 ast_set_callerid(p->owner, p->cid_num, p->cid_name, p->cid_num);
1154 p->cid_num[0]=0;
1155 p->cid_name[0]=0;
1156 }
1157
1158 vpb_timer_stop(p->ring_timer);
1159 vpb_timer_start(p->ring_timer);
1160 }
1161 break;
1162
1163 case VPB_RING_OFF:
1164 break;
1165
1166 case VPB_STATION_OFFHOOK:
1167 if (p->mode == MODE_IMMEDIATE)
1168 vpb_new(p,AST_STATE_RING, p->context);
1169 else {
1170 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_notowned: playing dialtone\n",p->dev);
1171 playtone(p->handle, &Dialtone);
1172 p->state=VPB_STATE_PLAYDIAL;
1173 p->wantdtmf = 1;
1174 p->ext[0] = 0; /* Just to be sure & paranoid.*/
1175 }
1176 break;
1177
1178 case VPB_DIALEND:
1179 if (p->mode == MODE_DIALTONE){
1180 if (p->state == VPB_STATE_PLAYDIAL) {
1181 playtone(p->handle, &Dialtone);
1182 p->wantdtmf = 1;
1183 p->ext[0] = 0; /* Just to be sure & paranoid. */
1184 }
1185 /* These are not needed as they have timers to restart them
1186 else if (p->state == VPB_STATE_PLAYBUSY) {
1187 playtone(p->handle, &Busytone);
1188 p->wantdtmf = 1;
1189 p->ext[0] = 0;
1190 }
1191 else if (p->state == VPB_STATE_PLAYRING) {
1192 playtone(p->handle, &Ringbacktone);
1193 p->wantdtmf = 1;
1194 p->ext[0] = 0;
1195 }
1196 */
1197 } else {
1198 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_notowned: Got a DIALEND when not really expected\n",p->dev);
1199 }
1200 break;
1201
1202 case VPB_STATION_ONHOOK: /* clear ext */
1203 stoptone(p->handle);
1204 p->wantdtmf = 1 ;
1205 p->ext[0] = 0;
1206 p->state=VPB_STATE_ONHOOK;
1207 break;
1208 case VPB_TIMEREXP:
1209 if (e->data == p->dtmfidd_timer_id) {
1210 if (ast_exists_extension(NULL, p->context, p->ext, 1, p->callerid)){
1211 if (option_verbose > 3)
1212 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_notowned: DTMF IDD timer out, matching on [%s] in [%s]\n", p->dev,p->ext , p->context);
1213
1214 vpb_new(p,AST_STATE_RING, p->context);
1215 }
1216 } else if (e->data == p->ring_timer_id) {
1217 /* We didnt get another ring in time! */
1218 if (p->owner){
1219 if (p->owner->_state != AST_STATE_UP) {
1220 /* Assume caller has hung up */
1221 vpb_timer_stop(p->ring_timer);
1222 }
1223 } else {
1224 /* No owner any more, Assume caller has hung up */
1225 vpb_timer_stop(p->ring_timer);
1226 }
1227 }
1228 break;
1229
1230 case VPB_DTMF:
1231 if (p->state == VPB_STATE_ONHOOK){
1232 /* DTMF's being passed while on-hook maybe Caller ID */
1233 if ( p->mode == MODE_FXO ) {
1234 if ( e->data == DTMF_CID_START ) { /* CallerID Start signal */
1235 p->dtmf_caller_pos = 0; /* Leaves the first digit out */
1236 memset(p->callerid,0,AST_MAX_EXTENSION);
1237 }
1238 else if ( e->data == DTMF_CID_STOP ) { /* CallerID End signal */
1239 p->callerid[p->dtmf_caller_pos] = '\0';
1240 if (option_verbose > 2)
1241 ast_verbose(VERBOSE_PREFIX_3 " %s: DTMF CallerID %s\n",p->dev,p->callerid);
1242 if (owner){
1243 /*
1244 if (owner->cid.cid_num)
1245 free(owner->cid.cid_num);
1246 owner->cid.cid_num=NULL;
1247 if (owner->cid.cid_name)
1248 free(owner->cid.cid_name);
1249 owner->cid.cid_name=NULL;
1250 owner->cid.cid_num = strdup(p->callerid);
1251 */
1252 cid_name[0] = '\0';
1253 cid_num[0] = '\0';
1254 ast_callerid_split(p->callerid, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
1255 ast_set_callerid(owner, cid_num, cid_name, cid_num);
1256
1257 }
1258 else {
1259 if (option_verbose > 2)
1260 ast_verbose(VERBOSE_PREFIX_3 " %s: DTMF CallerID: no owner to assign CID \n",p->dev);
1261 }
1262 } else if ( p->dtmf_caller_pos < AST_MAX_EXTENSION ) {
1263 if ( p->dtmf_caller_pos >= 0 )
1264 p->callerid[p->dtmf_caller_pos] = e->data;
1265 p->dtmf_caller_pos++;
1266 }
1267 }
1268 break;
1269 }
1270 if (p->wantdtmf == 1) {
1271 stoptone(p->handle);
1272 p->wantdtmf = 0;
1273 }
1274 p->state=VPB_STATE_GETDTMF;
1275 s[0] = e->data;
1276 strncat(p->ext, s, sizeof(p->ext) - strlen(p->ext) - 1);
1277 #if 0
1278 if (!strcmp(p->ext,ast_pickup_ext())) {
1279 /* Call pickup has been dialled! */
1280 if (ast_pickup_call(c)) {
1281 /* Call pickup wasnt possible */
1282 }
1283 }
1284 else
1285 #endif
1286 if (ast_exists_extension(NULL, p->context, p->ext, 1, p->callerid)){
1287 if ( ast_canmatch_extension(NULL, p->context, p->ext, 1, p->callerid)){
1288 if (option_verbose > 3)
1289 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_notowned: Multiple matches on [%s] in [%s]\n", p->dev,p->ext , p->context);
1290 /* Start DTMF IDD timer */
1291 vpb_timer_stop(p->dtmfidd_timer);
1292 vpb_timer_start(p->dtmfidd_timer);
1293 }
1294 else {
1295 if (option_verbose > 3)
1296 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_notowned: Matched on [%s] in [%s]\n", p->dev,p->ext , p->context);
1297 vpb_new(p,AST_STATE_UP, p->context);
1298 }
1299 } else if (!ast_canmatch_extension(NULL, p->context, p->ext, 1, p->callerid)){
1300 if (ast_exists_extension(NULL, "default", p->ext, 1, p->callerid)) {
1301 vpb_new(p,AST_STATE_UP, "default");
1302 } else if (!ast_canmatch_extension(NULL, "default", p->ext, 1, p->callerid)) {
1303 if (option_verbose > 3) {
1304 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_notowned: can't match anything in %s or default\n", p->dev, p->context);
1305 }
1306 playtone(p->handle, &Busytone);
1307 vpb_timer_stop(p->busy_timer);
1308 vpb_timer_start(p->busy_timer);
1309 p->state = VPB_STATE_PLAYBUSY;
1310 }
1311 }
1312 break;
1313
1314 default:
1315 /* Ignore.*/
1316 break;
1317 }
1318
1319 if (option_verbose > 3)
1320 ast_verbose(VERBOSE_PREFIX_4 "%s: handle_notowned: mode=%d, [%d=>%d]\n",
1321 p->dev, p->mode, e->type, e->data);
1322
1323 return 0;
1324 }
1325
1326 static void *do_monitor(void *unused)
1327 {
1328
1329 /* Monitor thread, doesn't die until explicitly killed. */
1330
1331 if (option_verbose > 1)
1332 ast_verbose(VERBOSE_PREFIX_2 "Starting vpb monitor thread[%ld]\n",
1333 pthread_self());
1334
1335 pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
1336
1337 for(;;) {
1338 VPB_EVENT e;
1339 VPB_EVENT je;
1340 char str[VPB_MAX_STR];
1341 struct vpb_pvt *p;
1342
1343 /*
1344 if (option_verbose > 3)
1345 ast_verbose(VERBOSE_PREFIX_4 "Monitor waiting for event\n");
1346 */
1347
1348 int res = vpb_get_event_sync(&e, VPB_WAIT_TIMEOUT);
1349 if( (res==VPB_NO_EVENTS) || (res==VPB_TIME_OUT) ){
1350 /*
1351 if (option_verbose > 3){
1352 if (res == VPB_NO_EVENTS){
1353 ast_verbose(VERBOSE_PREFIX_4 "No events....\n");
1354 } else {
1355 ast_verbose(VERBOSE_PREFIX_4 "No events, timed out....\n");
1356 }
1357 }
1358 */
1359 continue;
1360 }
1361
1362 if (res != VPB_OK) {
1363 ast_log(LOG_ERROR,"Monitor get event error %s\n", vpb_strerror(res) );
1364 ast_verbose("Monitor get event error %s\n", vpb_strerror(res) );
1365 continue;
1366 }
1367
1368 str[0] = 0;
1369
1370 p = NULL;
1371
1372 ast_mutex_lock(&monlock); {
1373
1374 if (e.type == VPB_NULL_EVENT) {
1375 if (option_verbose > 3)
1376 ast_verbose(VERBOSE_PREFIX_4 "Monitor got null event\n");
1377 }
1378 else {
1379 vpb_translate_event(&e, str);
1380 if (strlen(str)>1){
1381 str[(strlen(str)-1)]='\0';
1382 }
1383
1384 ast_mutex_lock(&iflock); {
1385 p = iflist;
1386 while (p && p->handle != e.handle)
1387 p = p->next;
1388 } ast_mutex_unlock(&iflock);
1389
1390 if (p && (option_verbose > 3))
1391 ast_verbose(VERBOSE_PREFIX_4 "%s: Event [%d=>%s] \n",
1392 p ? p->dev : "null", e.type, str );
1393 }
1394
1395 } ast_mutex_unlock(&monlock);
1396
1397 if (!p) {
1398 if (e.type != VPB_NULL_EVENT){
1399 ast_log(LOG_WARNING, "Got event [%s][%d], no matching iface!\n", str,e.type);
1400 if (option_verbose > 3){
1401 ast_verbose(VERBOSE_PREFIX_4 "vpb/ERR: No interface for Event [%d=>%s] \n",e.type,str );
1402 }
1403 }
1404 continue;
1405 }
1406
1407 /* flush the event from the channel event Q */
1408 vpb_get_event_ch_async(e.handle,&je);
1409 if (option_verbose > 4){
1410 vpb_translate_event(&je, str);
1411 ast_verbose("%s: Flushing event [%d]=>%s\n",p->dev,je.type,str);
1412 }
1413
1414 /* Check for ownership and locks */
1415 if ((p->owner)&&(!p->golock)){
1416 /* Need to get owner lock */
1417 /* Safely grab both p->lock and p->owner->lock so that there
1418 cannot be a race with something from the other side */
1419 /*
1420 ast_mutex_lock(&p->lock);
1421 while(ast_mutex_trylock(&p->owner->lock)) {
1422 ast_mutex_unlock(&p->lock);
1423 usleep(1);
1424 ast_mutex_lock(&p->lock);
1425 if (!p->owner)
1426 break;
1427 }
1428 if (p->owner)
1429 p->golock=1;
1430 */
1431 }
1432 /* Two scenarios: Are you owned or not. */
1433 if (p->owner) {
1434 monitor_handle_owned(p, &e);
1435 } else {
1436 monitor_handle_notowned(p, &e);
1437 }
1438 /* if ((!p->owner)&&(p->golock)){
1439 ast_mutex_unlock(&p->owner->lock);
1440 ast_mutex_unlock(&p->lock);
1441 }
1442 */
1443
1444 }
1445
1446 return NULL;
1447 }
1448
1449 static int restart_monitor(void)
1450 {
1451 int error = 0;
1452
1453 /* If we're supposed to be stopped -- stay stopped */
1454 if (mthreadactive == -2)
1455 return 0;
1456
1457 if (option_verbose > 3)
1458 ast_verbose(VERBOSE_PREFIX_4 "Restarting monitor\n");
1459
1460 ast_mutex_lock(&monlock); {
1461 if (monitor_thread == pthread_self()) {
1462 ast_log(LOG_WARNING, "Cannot kill myself\n");
1463 error = -1;
1464 if (option_verbose > 3)
1465 ast_verbose(VERBOSE_PREFIX_4 "Monitor trying to kill monitor\n");
1466 }
1467 else {
1468 if (mthreadactive != -1) {
1469 /* Why do other drivers kill the thread? No need says I, simply awake thread with event. */
1470 VPB_EVENT e;
1471 e.handle = 0;
1472 e.type = VPB_NULL_EVENT;
1473 e.data = 0;
1474
1475 if (option_verbose > 3)
1476 ast_verbose(VERBOSE_PREFIX_4 "Trying to reawake monitor\n");
1477
1478 vpb_put_event(&e);
1479 } else {
1480 /* Start a new monitor */
1481 int pid = ast_pthread_create(&monitor_thread, NULL, do_monitor, NULL);
1482 if (option_verbose > 3)
1483 ast_verbose(VERBOSE_PREFIX_4 "Created new monitor thread %d\n",pid);
1484 if (pid < 0) {
1485 ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
1486 error = -1;
1487 } else
1488 mthreadactive = 0; /* Started the thread!*/
1489 }
1490 }
1491 } ast_mutex_unlock(&monlock);
1492
1493 if (option_verbose > 3)
1494 ast_verbose(VERBOSE_PREFIX_4 "Monitor restarted\n");
1495
1496 return error;
1497 }
1498
1499 /* Per board config that must be called after vpb_open() */
1500 static void mkbrd(vpb_model_t model, int echo_cancel)
1501 {
1502 if(!bridges) {
1503 if(model==vpb_model_v4pci)
1504 max_bridges = MAX_BRIDGES_V4PCI;
1505 bridges = (vpb_bridge_t *)malloc(max_bridges * sizeof(vpb_bridge_t) );
1506 if(!bridges)
1507 ast_log(LOG_ERROR, "Failed to initialize bridges\n");
1508 else {
1509 memset(bridges,0,max_bridges * sizeof(vpb_bridge_t));
1510 for(int i = 0; i < max_bridges; i++ ) {
1511 ast_mutex_init(&bridges[i].lock);
1512 ast_cond_init(&bridges[i].cond, NULL);
1513 }
1514 }
1515 }
1516 if(!echo_cancel) {
1517 if (model==vpb_model_v4pci) {
1518 vpb_echo_canc_disable();
1519 ast_log(LOG_NOTICE, "Voicetronix echo cancellation OFF\n");
1520 }
1521 else {
1522 /* need to it port by port for OpenSwitch*/
1523 }
1524 } else {
1525 if (model==vpb_model_v4pci) {
1526 vpb_echo_canc_enable();
1527 ast_log(LOG_NOTICE, "Voicetronix echo cancellation ON\n");
1528 if (ec_supp_threshold > -1){
1529 #ifdef VPB_PRI
1530 vpb_echo_canc_set_sup_thresh(0,(short *)&ec_supp_threshold);
1531 #else
1532 vpb_echo_canc_set_sup_thresh((short *)&ec_supp_threshold);
1533 #endif
1534 ast_log(LOG_NOTICE, "Voicetronix EC Sup Thres set\n");
1535 }
1536 }
1537 else {
1538 /* need to it port by port for OpenSwitch*/
1539 }
1540 }
1541 }
1542
1543 static struct vpb_pvt *mkif(int board, int channel, int mode, int gains, float txgain, float rxgain,
1544 float txswgain, float rxswgain, int bal1, int bal2, int bal3,
1545 char * callerid, int echo_cancel, int group, ast_group_t callgroup, ast_group_t pickupgroup )
1546 {
1547 struct vpb_pvt *tmp;
1548 char buf[64];
1549
1550 tmp = (struct vpb_pvt *)calloc(1, sizeof *tmp);
1551
1552 if (!tmp)
1553 return NULL;
1554
1555 tmp->handle = vpb_open(board, channel);
1556
1557 if (tmp->handle < 0) {
1558 ast_log(LOG_WARNING, "Unable to create channel vpb/%d-%d: %s\n",
1559 board, channel, strerror(errno));
1560 free(tmp);
1561 return NULL;
1562 }
1563
1564 snprintf(tmp->dev, sizeof(tmp->dev), "vpb/%d-%d", board, channel);
1565
1566 tmp->mode = mode;
1567
1568 tmp->group = group;
1569 tmp->callgroup = callgroup;
1570 tmp->pickupgroup = pickupgroup;
1571
1572 /* Initilize dtmf caller ID position variable */
1573 tmp->dtmf_caller_pos=0;
1574
1575 strncpy(tmp->language, language, sizeof(tmp->language) - 1);
1576 strncpy(tmp->context, context, sizeof(tmp->context) - 1);
1577
1578 tmp->callerid_type=0;
1579 if(callerid) {
1580 if (strcasecmp(callerid,"on")==0){
1581 tmp->callerid_type =1;
1582 strncpy(tmp->callerid, "unknown", sizeof(tmp->callerid) - 1);
1583 }
1584 else if (strcasecmp(callerid,"v23")==0){
1585 tmp->callerid_type =2;
1586 strncpy(tmp->callerid, "unknown", sizeof(tmp->callerid) - 1);
1587 }
1588 else if (strcasecmp(callerid,"bell")==0){
1589 tmp->callerid_type =3;
1590 strncpy(tmp->callerid, "unknown", sizeof(tmp->callerid) - 1);
1591 }
1592 else {
1593 strncpy(tmp->callerid, callerid, sizeof(tmp->callerid) - 1);
1594 }
1595 } else {
1596 strncpy(tmp->callerid, "unknown", sizeof(tmp->callerid) - 1);
1597 }
1598
1599 /* check if codec balances have been set in the config file */
1600 if (bal3>=0) {
1601 if ((bal1>=0) && !(bal1 & 32)) bal1 |= 32;
1602 vpb_set_codec_reg(tmp->handle, 0x42, bal3);
1603 }
1604 if(bal1>=0) vpb_set_codec_reg(tmp->handle, 0x32, bal1);
1605 if(bal2>=0) vpb_set_codec_reg(tmp->handle, 0x3a, bal2);
1606
1607 if (gains & VPB_GOT_TXHWG){
1608 if (txgain > MAX_VPB_GAIN){
1609 tmp->txgain = MAX_VPB_GAIN;
1610 }
1611 else if (txgain < MIN_VPB_GAIN){
1612 tmp->txgain = MIN_VPB_GAIN;
1613 }
1614 else {
1615 tmp->txgain = txgain;
1616 }
1617
1618 ast_log(LOG_NOTICE,"VPB setting Tx Hw gain to [%f]\n",tmp->txgain);
1619 vpb_play_set_hw_gain(tmp->handle, tmp->txgain);
1620 }
1621
1622 if (gains & VPB_GOT_RXHWG){
1623 if (rxgain > MAX_VPB_GAIN){
1624 tmp->rxgain = MAX_VPB_GAIN;
1625 }
1626 else if (rxgain < MIN_VPB_GAIN){
1627 tmp->rxgain = MIN_VPB_GAIN;
1628 }
1629 else {
1630 tmp->rxgain = rxgain;
1631 }
1632 ast_log(LOG_NOTICE,"VPB setting Rx Hw gain to [%f]\n",tmp->rxgain);
1633 vpb_record_set_hw_gain(tmp->handle,tmp->rxgain);
1634 }
1635
1636 if (gains & VPB_GOT_TXSWG){
1637 tmp->txswgain = txswgain;
1638 ast_log(LOG_NOTICE,"VPB setting Tx Sw gain to [%f]\n",tmp->txswgain);
1639 vpb_play_set_gain(tmp->handle, tmp->txswgain);
1640 }
1641
1642 if (gains & VPB_GOT_RXSWG){
1643 tmp->rxswgain = rxswgain;
1644 ast_log(LOG_NOTICE,"VPB setting Rx Sw gain to [%f]\n",tmp->rxswgain);
1645 vpb_record_set_gain(tmp->handle, tmp->rxswgain);
1646 }
1647
1648 tmp->vpb_model = vpb_model_unknown;
1649 if( vpb_get_model(buf) == VPB_OK ) {
1650 if(strcmp(buf,"V12PCI")==0)
1651 tmp->vpb_model = vpb_model_v12pci;
1652 else if(strcmp(buf,"VPB4")==0)
1653 tmp->vpb_model = vpb_model_v4pci;
1654 }
1655
1656 ast_mutex_init(&tmp->owner_lock);
1657 ast_mutex_init(&tmp->lock);
1658 ast_mutex_init(&tmp->record_lock);
1659 ast_mutex_init(&tmp->play_lock);
1660 ast_mutex_init(&tmp->play_dtmf_lock);
1661
1662 /* set default read state */
1663 tmp->read_state = 0;
1664
1665 tmp->golock=0;
1666
1667 tmp->busy_timer_id = vpb_timer_get_unique_timer_id();
1668 vpb_timer_open(&tmp->busy_timer, tmp->handle, tmp->busy_timer_id, TIMER_PERIOD_BUSY);
1669
1670 tmp->ringback_timer_id = vpb_timer_get_unique_timer_id();
1671 vpb_timer_open(&tmp->ringback_timer, tmp->handle, tmp->ringback_timer_id, TIMER_PERIOD_RINGBACK);
1672
1673 tmp->ring_timer_id = vpb_timer_get_unique_timer_id();
1674 vpb_timer_open(&tmp->ring_timer, tmp->handle, tmp->ring_timer_id, timer_period_ring);
1675
1676 tmp->dtmfidd_timer_id = vpb_timer_get_unique_timer_id();
1677 vpb_timer_open(&tmp->dtmfidd_timer, tmp->handle, tmp->dtmfidd_timer_id, dtmf_idd);
1678
1679 if (mode == MODE_FXO){
1680 if (use_ast_dtmfdet)
1681 vpb_set_event_mask(tmp->handle, VPB_EVENTS_NODTMF );
1682 else
1683 vpb_set_event_mask(tmp->handle, VPB_EVENTS_ALL );
1684 }
1685 else {
1686 /*
1687 if (use_ast_dtmfdet)
1688 vpb_set_event_mask(tmp->handle, VPB_EVENTS_NODTMF );
1689 else
1690 */
1691 vpb_set_event_mask(tmp->handle, VPB_EVENTS_STAT );
1692 }
1693
1694 if ((tmp->vpb_model == vpb_model_v12pci) && (echo_cancel)){
1695 vpb_hostecho_on(tmp->handle);
1696 }
1697 if (use_ast_dtmfdet) {
1698 tmp->vad = ast_dsp_new();
1699 ast_dsp_set_features(tmp->vad, DSP_FEATURE_DTMF_DETECT);
1700 ast_dsp_digitmode(tmp->vad, DSP_DIGITMODE_DTMF);
1701 if (relaxdtmf)
1702 ast_dsp_digitmode(tmp->vad, DSP_DIGITMODE_DTMF|DSP_DIGITMODE_RELAXDTMF);
1703 }
1704 else {
1705 tmp->vad = NULL;
1706 }
1707
1708 /* define grunt tone */
1709 vpb_settonedet(tmp->handle,&toned_ungrunt);
1710
1711 ast_log(LOG_NOTICE,"Voicetronix %s channel %s initialized (rxsg=%f/txsg=%f/rxhg=%f/txhg=%f)(0x%x/0x%x/0x%x)\n",
1712 (tmp->vpb_model==vpb_model_v4pci)?"V4PCI": (tmp->vpb_model==vpb_model_v12pci)?"V12PCI":"[Unknown model]",
1713 tmp->dev, tmp->rxswgain, tmp->txswgain, tmp->rxgain, tmp->txgain, bal1, bal2, bal3 );
1714
1715 return tmp;
1716 }
1717
1718 static int vpb_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen)
1719 {
1720 struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt;
1721 int res = 0;
1722 int tmp = 0;
1723
1724 if (use_ast_ind == 1) {
1725 if (option_verbose > 3)
1726 ast_verbose(VERBOSE_PREFIX_4 "%s: vpb_indicate called when using Ast Indications !?!\n", p->dev);
1727 return 0;
1728 }
1729
1730 if (option_verbose > 3)
1731 ast_verbose(VERBOSE_PREFIX_4 "%s: vpb_indicate [%d] state[%d]\n", p->dev, condition,ast->_state);
1732 /*
1733 if (ast->_state != AST_STATE_UP) {
1734 ast_verbose(VERBOSE_PREFIX_4 "%s: vpb_indicate Not in AST_STATE_UP\n", p->dev, condition,ast->_state);
1735 return res;
1736 }
1737 */
1738
1739 /*
1740 if (option_verbose > 3) ast_verbose("%s: LOCKING in indicate \n", p->dev);
1741 if (option_verbose > 3) ast_verbose("%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
1742 */
1743 ast_mutex_lock(&p->lock);
1744 switch(condition) {
1745 case AST_CONTROL_BUSY:
1746 case AST_CONTROL_CONGESTION:
1747 if (ast->_state == AST_STATE_UP) {
1748 playtone(p->handle, &Busytone);
1749 p->state = VPB_STATE_PLAYBUSY;
1750 vpb_timer_stop(p->busy_timer);
1751 vpb_timer_start(p->busy_timer);
1752 }
1753 break;
1754 case AST_CONTROL_RINGING:
1755 if (ast->_state == AST_STATE_UP) {
1756 playtone(p->handle, &Ringbacktone);
1757 p->state = VPB_STATE_PLAYRING;
1758 if (option_verbose > 3)
1759 ast_verbose(VERBOSE_PREFIX_4 "%s: vpb indicate: setting ringback timer [%d]\n", p->dev,p->ringback_timer_id);
1760
1761 vpb_timer_stop(p->ringback_timer);
1762 vpb_timer_start(p->ringback_timer);
1763 }
1764 break;
1765 case AST_CONTROL_ANSWER:
1766 case -1: /* -1 means stop playing? */
1767 vpb_timer_stop(p->ringback_timer);
1768 vpb_timer_stop(p->busy_timer);
1769 stoptone(p->handle);
1770 break;
1771 case AST_CONTROL_HANGUP:
1772 if (ast->_state == AST_STATE_UP) {
1773 playtone(p->handle, &Busytone);
1774 p->state = VPB_STATE_PLAYBUSY;
1775 vpb_timer_stop(p->busy_timer);
1776 vpb_timer_start(p->busy_timer);
1777 }
1778 break;
1779 case AST_CONTROL_HOLD:
1780 ast_moh_start(ast, (const char *) data, NULL);
1781 break;
1782 case AST_CONTROL_UNHOLD:
1783 ast_moh_stop(ast);
1784 break;
1785 default:
1786 res = 0;
1787 break;
1788 }
1789 tmp = ast_mutex_unlock(&p->lock);
1790 /*
1791 if (option_verbose > 3) ast_verbose("%s: unLOCKING in indicate [%d]\n", p->dev,tmp);
1792 */
1793 return res;
1794 }
1795
1796 static int vpb_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
1797 {
1798 struct vpb_pvt *p = (struct vpb_pvt *)newchan->tech_pvt;
1799 int res = 0;
1800
1801 /*
1802 if (option_verbose > 3) ast_verbose("%s: LOCKING in fixup \n", p->dev);
1803 if (option_verbose > 3) ast_verbose("%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
1804 */
1805 ast_mutex_lock(&p->lock);
1806 ast_log(LOG_DEBUG, "New owner for channel %s is %s\n", p->dev, newchan->name);
1807
1808 if (p->owner == oldchan) {
1809 p->owner = newchan;
1810 }
1811
1812 if (newchan->_state == AST_STATE_RINGING){
1813 if (use_ast_ind == 1) {
1814 if (option_verbose > 3)
1815 ast_verbose(VERBOSE_PREFIX_4 "%s: vpb_fixup Calling ast_indicate\n", p->dev);
1816 ast_indicate(newchan, AST_CONTROL_RINGING);
1817 }
1818 else {
1819 if (option_verbose > 3)
1820 ast_verbose(VERBOSE_PREFIX_4 "%s: vpb_fixup Calling vpb_indicate\n", p->dev);
1821 vpb_indicate(newchan, AST_CONTROL_RINGING, NULL, 0);
1822 }
1823 }
1824
1825 res= ast_mutex_unlock(&p->lock);
1826 /*
1827 if (option_verbose > 3) ast_verbose("%s: unLOCKING in fixup [%d]\n", p->dev,res);
1828 */
1829 return 0;
1830 }
1831
1832 static int vpb_digit_begin(struct ast_channel *ast, char digit)
1833 {
1834 /* XXX Modify this callback to let Asterisk control the length of DTMF */
1835 return 0;
1836 }
1837 static int vpb_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
1838 {
1839 struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt;
1840 char s[2];
1841 int res = 0;
1842
1843 if (use_ast_dtmf){
1844 if (option_verbose > 3)
1845 ast_verbose(VERBOSE_PREFIX_4 "%s: vpb_digit: asked to play digit[%c] but we are using asterisk dtmf play back?!\n", p->dev, digit);
1846 return 0;
1847 }
1848
1849 /*
1850 if (option_verbose > 3) ast_verbose("%s: LOCKING in digit \n", p->dev);
1851 if (option_verbose > 3) ast_verbose("%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
1852 */
1853 ast_mutex_lock(&p->lock);
1854
1855
1856 s[0] = digit;
1857 s[1] = '\0';
1858
1859 if (option_verbose > 3)
1860 ast_verbose(VERBOSE_PREFIX_4 "%s: vpb_digit: asked to play digit[%s]\n", p->dev, s);
1861
1862 ast_mutex_lock(&p->play_dtmf_lock);
1863 strncat(p->play_dtmf,s,sizeof(*p->play_dtmf));
1864 ast_mutex_unlock(&p->play_dtmf_lock);
1865
1866 res = ast_mutex_unlock(&p->lock);
1867 /*
1868 if (option_verbose > 3) ast_verbose("%s: unLOCKING in digit [%d]\n", p->dev,res);
1869 */
1870 return 0;
1871 }
1872
1873 /* Places a call out of a VPB channel */
1874 static int vpb_call(struct ast_channel *ast, char *dest, int timeout)
1875 {
1876 struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt;
1877 int res = 0,i;
1878 char *s = strrchr(dest, '/');
1879 char dialstring[254] = "";
1880 int tmp = 0;
1881
1882 /*
1883 if (option_verbose > 3) ast_verbose("%s: LOCKING in call \n", p->dev);
1884 if (option_verbose > 3) ast_verbose("%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
1885 */
1886 ast_mutex_lock(&p->lock);
1887 if (option_verbose > 3)
1888 ast_verbose(VERBOSE_PREFIX_4 "%s: starting call to [%s]\n", p->dev,dest);
1889
1890 if (s)
1891 s = s + 1;
1892 else
1893 s = dest;
1894 strncpy(dialstring, s, sizeof(dialstring) - 1);
1895 for (i=0; dialstring[i] != '\0' ; i++) {
1896 if ((dialstring[i] == 'w') || (dialstring[i] == 'W'))
1897 dialstring[i] = ',';
1898 else if ((dialstring[i] == 'f') || (dialstring[i] == 'F'))
1899 dialstring[i] = '&';
1900 }
1901
1902 if (ast->_state != AST_STATE_DOWN && ast->_state != AST_STATE_RESERVED) {
1903 ast_log(LOG_WARNING, "vpb_call on %s neither down nor reserved!\n", ast->name);
1904 tmp = ast_mutex_unlock(&p->lock);
1905 /*
1906 if (option_verbose > 3) ast_verbose("%s: unLOCKING in call [%d]\n", p->dev,tmp);
1907 */
1908 return -1;
1909 }
1910 if (p->mode != MODE_FXO) /* Station port, ring it. */
1911 res = vpb_ring_station_async(p->handle, VPB_RING_STATION_ON,0);
1912 else {
1913 VPB_CALL call;
1914
1915 /* Dial must timeout or it can leave channels unuseable */
1916 if( timeout == 0 )
1917 timeout = TIMER_PERIOD_NOANSWER;
1918 else
1919 timeout = timeout * 1000; /* convert from secs to ms. */
1920
1921 /* These timeouts are only used with call progress dialing */
1922 call.dialtones = 1; /* Number of dialtones to get outside line */
1923 call.dialtone_timeout = VPB_DIALTONE_WAIT; /* Wait this long for dialtone (ms) */
1924 call.ringback_timeout = VPB_RINGWAIT; /* Wait this long for ringing after dialing (ms) */
1925 call.inter_ringback_timeout = VPB_CONNECTED_WAIT; /* If ringing stops for this long consider it connected (ms) */
1926 call.answer_timeout = timeout; /* Time to wait for answer after ringing starts (ms) */
1927 memcpy( &call.tone_map, DialToneMap, sizeof(DialToneMap) );
1928 vpb_set_call(p->handle, &call);
1929
1930 if (option_verbose > 1)
1931 ast_verbose(VERBOSE_PREFIX_2 "%s: Calling %s on %s \n",p->dev, dialstring, ast->name);
1932
1933 if (option_verbose > 2) {
1934 int j;
1935 ast_verbose(VERBOSE_PREFIX_2 "%s: Dial parms for %s %d/%dms/%dms/%dms/%dms\n", p->dev
1936 , ast->name, call.dialtones, call.dialtone_timeout
1937 , call.ringback_timeout, call.inter_ringback_timeout
1938 , call.answer_timeout );
1939 for( j=0; !call.tone_map[j].terminate; j++ )
1940 ast_verbose(VERBOSE_PREFIX_2 "%s: Dial parms for %s tone %d->%d\n", p->dev,
1941 ast->name, call.tone_map[j].tone_id, call.tone_map[j].call_id);
1942 }
1943
1944 if (option_verbose > 3)
1945 ast_verbose("%s: Disabling Loop Drop detection\n",p->dev);
1946 vpb_disable_event(p->handle, VPB_MDROP);
1947 vpb_sethook_sync(p->handle,VPB_OFFHOOK);
1948 p->state=VPB_STATE_OFFHOOK;
1949
1950 #ifndef DIAL_WITH_CALL_PROGRESS
1951 vpb_sleep(300);
1952 if (option_verbose > 3)
1953 ast_verbose("%s: Enabling Loop Drop detection\n",p->dev);
1954 vpb_enable_event(p->handle, VPB_MDROP);
1955 res = vpb_dial_async(p->handle, dialstring);
1956 #else
1957 if (option_verbose > 3)
1958 ast_verbose("%s: Enabling Loop Drop detection\n",p->dev);
1959 vpb_enable_event(p->handle, VPB_MDROP);
1960 res = vpb_call_async(p->handle, dialstring);
1961 #endif
1962
1963 if (res != VPB_OK) {
1964 ast_log(LOG_DEBUG, "Call on %s to %s failed: %s\n", ast->name, s, vpb_strerror(res));
1965 res = -1;
1966 } else
1967 res = 0;
1968 }
1969
1970 if (option_verbose > 2)
1971 ast_verbose(VERBOSE_PREFIX_3 "%s: VPB Calling %s [t=%d] on %s returned %d\n",p->dev , s, timeout, ast->name, res);
1972 if (res == 0) {
1973 ast_setstate(ast, AST_STATE_RINGING);
1974 ast_queue_control(ast,AST_CONTROL_RINGING);
1975 }
1976
1977 if (!p->readthread){
1978 ast_pthread_create(&p->readthread, NULL, do_chanreads, (void *)p);
1979 }
1980
1981 tmp = ast_mutex_unlock(&p->lock);
1982 /*
1983 if (option_verbose > 3) ast_verbose("%s: unLOCKING in call [%d]\n", p->dev,tmp);
1984 */
1985 return res;
1986 }
1987
1988 static int vpb_hangup(struct ast_channel *ast)
1989 {
1990 struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt;
1991 VPB_EVENT je;
1992 char str[VPB_MAX_STR];
1993 int res =0 ;
1994
1995 /*
1996 if (option_verbose > 3) ast_verbose("%s: LOCKING in hangup \n", p->dev);
1997 if (option_verbose > 3) ast_verbose("%s: LOCKING in hangup count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
1998 if (option_verbose > 3) ast_verbose("%s: LOCKING pthread_self(%d)\n", p->dev,pthread_self());
1999 ast_mutex_lock(&p->lock);
2000 */
2001 if (option_verbose > 1)
2002 ast_verbose(VERBOSE_PREFIX_2 "%s: Hangup requested\n", ast->name);
2003
2004 if (!ast->tech || !ast->tech_pvt) {
2005 ast_log(LOG_WARNING, "%s: channel not connected?\n", ast->name);
2006 res = ast_mutex_unlock(&p->lock);
2007 /*
2008 if (option_verbose > 3) ast_verbose("%s: unLOCKING in hangup [%d]\n", p->dev,res);
2009 */
2010 /* Free up ast dsp if we have one */
2011 if ((use_ast_dtmfdet)&&(p->vad)) {
2012 ast_dsp_free(p->vad);
2013 p->vad = NULL;
2014 }
2015 return 0;
2016 }
2017
2018
2019
2020 /* Stop record */
2021 p->stopreads = 1;
2022 if( p->readthread ){
2023 pthread_join(p->readthread, NULL);
2024 if(option_verbose>3)
2025 ast_verbose( VERBOSE_PREFIX_4 "%s: stopped record thread \n",ast->name);
2026 }
2027
2028 /* Stop play */
2029 if (p->lastoutput != -1) {
2030 if(option_verbose>1)
2031 ast_verbose( VERBOSE_PREFIX_2 "%s: Ending play mode \n",ast->name);
2032 vpb_play_terminate(p->handle);
2033 ast_mutex_lock(&p->play_lock); {
2034 vpb_play_buf_finish(p->handle);
2035 } ast_mutex_unlock(&p->play_lock);
2036 }
2037
2038 if(option_verbose>3)
2039 ast_verbose( VERBOSE_PREFIX_4 "%s: Setting state down\n",ast->name);
2040 ast_setstate(ast,AST_STATE_DOWN);
2041
2042
2043 /*
2044 if (option_verbose > 3) ast_verbose("%s: LOCKING in hangup \n", p->dev);
2045 if (option_verbose > 3) ast_verbose("%s: LOCKING in hangup count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
2046 if (option_verbose > 3) ast_verbose("%s: LOCKING pthread_self(%d)\n", p->dev,pthread_self());
2047 */
2048 ast_mutex_lock(&p->lock);
2049
2050 if (p->mode != MODE_FXO) {
2051 /* station port. */
2052 vpb_ring_station_async(p->handle, VPB_RING_STATION_OFF,0);
2053 if(p->state!=VPB_STATE_ONHOOK){
2054 /* This is causing a "dial end" "play tone" loop
2055 playtone(p->handle, &Busytone);
2056 p->state = VPB_STATE_PLAYBUSY;
2057 if(option_verbose>4)
2058 ast_verbose( VERBOSE_PREFIX_4 "%s: Station offhook[%d], playing busy tone\n",
2059 ast->name,p->state);
2060 */
2061 }
2062 else {
2063 stoptone(p->handle);
2064 }
2065 #ifdef VPB_PRI
2066 vpb_setloop_async(p->handle, VPB_OFFHOOK);
2067 vpb_sleep(100);
2068 vpb_setloop_async(p->handle, VPB_ONHOOK);
2069 #endif
2070 } else {
2071 stoptone(p->handle); /* Terminates any dialing */
2072 vpb_sethook_sync(p->handle, VPB_ONHOOK);
2073 p->state=VPB_STATE_ONHOOK;
2074 }
2075 while (VPB_OK==vpb_get_event_ch_async(p->handle,&je)){
2076 if(option_verbose>3) {
2077 vpb_translate_event(&je, str);
2078 ast_verbose( VERBOSE_PREFIX_4 "%s: Flushing event [%d]=>%s\n",ast->name,je.type,str);
2079 }
2080 }
2081
2082 p->readthread = 0;
2083 p->lastoutput = -1;
2084 p->lastinput = -1;
2085 p->last_ignore_dtmf = 1;
2086 p->ext[0] = 0;
2087 p->dialtone = 0;
2088
2089 p->owner = NULL;
2090 ast->tech_pvt=NULL;
2091
2092 /* Free up ast dsp if we have one */
2093 if ((use_ast_dtmfdet)&&(p->vad)) {
2094 ast_dsp_free(p->vad);
2095 p->vad = NULL;
2096 }
2097
2098 ast_mutex_lock(&usecnt_lock); {
2099 usecnt--;
2100 } ast_mutex_unlock(&usecnt_lock);
2101 ast_update_use_count();
2102
2103 if (option_verbose > 1)
2104 ast_verbose(VERBOSE_PREFIX_2 "%s: Hangup complete\n", ast->name);
2105
2106 restart_monitor();
2107 /*
2108 if (option_verbose > 3) ast_verbose("%s: LOCKING in hangup count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
2109 */
2110 res = ast_mutex_unlock(&p->lock);
2111 /*
2112 if (option_verbose > 3) ast_verbose("%s: unLOCKING in hangup [%d]\n", p->dev,res);
2113 if (option_verbose > 3) ast_verbose("%s: LOCKING in hangup count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
2114 */
2115 return 0;
2116 }
2117
2118 static int vpb_answer(struct ast_channel *ast)
2119 {
2120 struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt;
2121 int res = 0;
2122 /*
2123 VPB_EVENT je;
2124 int ret;
2125 if (option_verbose > 3) ast_verbose("%s: LOCKING in answer \n", p->dev);
2126 if (option_verbose > 3) ast_verbose("%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner);
2127 */
2128 ast_mutex_lock(&p->lock);
2129
2130 if (option_verbose > 3)
2131 ast_verbose(VERBOSE_PREFIX_4 "%s: Answering channel\n",p->dev);
2132
2133 if (p->mode == MODE_FXO){
2134 if (option_verbose > 3)
2135 ast_verbose("%s: Disabling Loop Drop detection\n",p->dev);
2136 vpb_disable_event(p->handle, VPB_MDROP);
2137 }
2138
2139 if (ast->_state != AST_STATE_UP) {
2140 if (p->mode == MODE_FXO){
2141 vpb_sethook_sync(p->handle, VPB_OFFHOOK);
2142 p->state=VPB_STATE_OFFHOOK;
2143 /* vpb_sleep(500);
2144 ret = vpb_get_event_ch_async(p->handle,&je);
2145 if ((ret == VPB_OK)&&((je.type != VPB_DROP)&&(je.type != VPB_RING))){
2146 if (option_verbose > 3){
2147 ast_verbose(VERBOSE_PREFIX_4 "%s: Answer collected a wrong event!!\n",p->dev);
2148 }
2149 vpb_put_event(&je);
2150 }
2151 */
2152 }
2153 ast_setstate(ast, AST_STATE_UP);
2154
2155 if(option_verbose>1)
2156 /*
2157 ast_verbose( VERBOSE_PREFIX_2 "%s: Answered call from %s on %s [%s]\n", p->dev,
2158 p->owner->callerid, ast->name,(p->mode == MODE_FXO)?"FXO":"FXS");
2159 */
2160 ast_verbose( VERBOSE_PREFIX_2 "%s: Answered call on %s [%s]\n", p->dev,
2161 ast->name,(p->mode == MODE_FXO)?"FXO":"FXS");
2162
2163 ast->rings = 0;
2164 if( !p->readthread ){
2165 /* res = ast_mutex_unlock(&p->lock); */
2166 /* ast_verbose("%s: unLOCKING in answer [%d]\n", p->dev,res); */
2167 ast_pthread_create(&p->readthread, NULL, do_chanreads, (void *)p);
2168 } else {
2169 if(option_verbose>3)
2170 ast_verbose(VERBOSE_PREFIX_4 "%s: Record thread already running!!\n",p->dev);
2171 }
2172 } else {
2173 if(option_verbose>3) {
2174 ast_verbose(VERBOSE_PREFIX_4 "%s: Answered state is up\n",p->dev);
2175 }
2176 /* res = ast_mutex_unlock(&p->lock); */
2177 /* ast_verbose("%s: unLOCKING in answer [%d]\n", p->dev,res); */
2178 }
2179 vpb_sleep(500);
2180 if (p->mode == MODE_FXO){
2181 if (option_verbose > 3)
2182 ast_verbose("%s: Re-enabling Loop Drop detection\n",p->dev);
2183 vpb_enable_event(p->handle,VPB_MDROP);
2184 }
2185 res = ast_mutex_unlock(&p->lock);
2186 /*
2187 if(option_verbose>3) ast_verbose("%s: unLOCKING in answer [%d]\n", p->dev,res);
2188 */
2189 return 0;
2190 }
2191
2192 static struct ast_frame *vpb_read(struct ast_channel *ast)
2193 {
2194 struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt;
2195 static struct ast_frame f = {AST_FRAME_NULL};
2196
2197 f.src = "vpb";
2198 ast_log(LOG_NOTICE, "%s: vpb_read: should never be called!\n", p->dev);
2199 ast_verbose("%s: vpb_read: should never be called!\n", p->dev);
2200
2201 return &f;
2202 }
2203
2204 static inline int ast2vpbformat(int ast_format)
2205 {
2206 switch(ast_format) {
2207 case AST_FORMAT_ALAW:
2208 return VPB_ALAW;
2209 case AST_FORMAT_SLINEAR:
2210 return VPB_LINEAR;
2211 case AST_FORMAT_ULAW:
2212 return VPB_MULAW;
2213 case AST_FORMAT_ADPCM:
2214 return VPB_OKIADPCM;
2215 default:
2216 return -1;
2217 }
2218 }
2219
2220 static inline char * ast2vpbformatname(int ast_format)
2221 {
2222 switch(ast_format) {
2223 case AST_FORMAT_ALAW:
2224 return "AST_FORMAT_ALAW:VPB_ALAW";
2225 case AST_FORMAT_SLINEAR:
2226 return "AST_FORMAT_SLINEAR:VPB_LINEAR";
2227 case AST_FORMAT_ULAW:
2228 return "AST_FORMAT_ULAW:VPB_MULAW";
2229 case AST_FORMAT_ADPCM:
2230 return "AST_FORMAT_ADPCM:VPB_OKIADPCM";
2231 default:
2232 return "UNKN:UNKN";
2233 }
2234 }
2235
2236 static inline int astformatbits(int ast_format)
2237 {
2238 switch(ast_format) {
2239 case AST_FORMAT_ALAW:
2240 case AST_FORMAT_ULAW:
2241 return 8;
2242 case AST_FORMAT_SLINEAR:
2243 return 16;
2244 case AST_FORMAT_ADPCM:
2245 return 4;
2246 default:
2247 return 8;
2248 }
2249 }
2250
2251 int a_gain_vector(float g, short *v, int n)
2252 {
2253 int i;
2254 float tmp;
2255 for ( i = 0; i<n; i++) {
2256 tmp = g*v[i];
2257 if (tmp > 32767.0)
2258 tmp = 32767.0;
2259 if (tmp < -32768.0)
2260 tmp = -32768.0;
2261 v[i] = (short)tmp;
2262 }
2263 return(i);
2264 }
2265
2266 /* Writes a frame of voice data to a VPB channel */
2267 static int vpb_write(struct ast_channel *ast, struct ast_frame *frame)
2268 {
2269 struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt;
2270 int res = 0, fmt = 0;
2271 struct timeval play_buf_time_start;
2272 int tdiff;
2273
2274 /* ast_mutex_lock(&p->lock); */
2275 if(option_verbose>5)
2276 ast_verbose("%s: vpb_write: Writing to channel\n", p->dev);
2277
2278 if (frame->frametype != AST_FRAME_VOICE) {
2279 if(option_verbose>3)
2280 ast_verbose("%s: vpb_write: Don't know how to handle from type %d\n", ast->name, frame->frametype);
2281 /* ast_mutex_unlock(&p->lock); */
2282 return 0;
2283 } else if (ast->_state != AST_STATE_UP) {
2284 if(option_verbose>3)
2285 ast_verbose("%s: vpb_write: Attempt to Write frame type[%d]subclass[%d] on not up chan(state[%d])\n",ast->name, frame->frametype, frame->subclass,ast->_state);
2286 p->lastoutput = -1;
2287 /* ast_mutex_unlock(&p->lock); */
2288 return 0;
2289 }
2290 /* ast_log(LOG_DEBUG, "%s: vpb_write: Checked frame type..\n", p->dev); */
2291
2292
2293 fmt = ast2vpbformat(frame->subclass);
2294 if (fmt < 0) {
2295 ast_log(LOG_WARNING, "%s: vpb_write: Cannot handle frames of %d format!\n",ast->name, frame->subclass);
2296 return -1;
2297 }
2298
2299 tdiff = ast_tvdiff_ms(ast_tvnow(), p->lastplay);
2300 ast_log(LOG_DEBUG, "%s: vpb_write: time since last play(%d) \n", p->dev, tdiff);
2301 if (tdiff < (VPB_SAMPLES/8 - 1)){
2302 ast_log(LOG_DEBUG, "%s: vpb_write: Asked to play too often (%d) (%d)\n", p->dev, tdiff,frame->datalen);
2303 // return 0;
2304 }
2305 p->lastplay = ast_tvnow();
2306 /*
2307 ast_log(LOG_DEBUG, "%s: vpb_write: Checked frame format..\n", p->dev);
2308 */
2309
2310 ast_mutex_lock(&p->play_lock);
2311
2312 /*
2313 ast_log(LOG_DEBUG, "%s: vpb_write: Got play lock..\n", p->dev);
2314 */
2315
2316 /* Check if we have set up the play_buf */
2317 if (p->lastoutput == -1) {
2318 vpb_play_buf_start(p->handle, fmt);
2319 if(option_verbose>1) {
2320 ast_verbose("%s: vpb_write: Starting play mode (codec=%d)[%s]\n",p->dev,fmt,ast2vpbformatname(frame->subclass));
2321 }
2322 p->lastoutput = fmt;
2323 ast_mutex_unlock(&p->play_lock);
2324 return 0;
2325 } else if (p->lastoutput != fmt) {
2326 vpb_play_buf_finish(p->handle);
2327 vpb_play_buf_start(p->handle, fmt);
2328 if(option_verbose>1)
2329 ast_verbose("%s: vpb_write: Changed play format (%d=>%d)\n",p->dev,p->lastoutput,fmt);
2330 ast_mutex_unlock(&p->play_lock);
2331 return 0;
2332 }
2333 p->lastoutput = fmt;
2334
2335
2336
2337 /* Apply extra gain ! */
2338 if( p->txswgain > MAX_VPB_GAIN )
2339 a_gain_vector(p->txswgain - MAX_VPB_GAIN , (short*)frame->data, frame->datalen/sizeof(short));
2340
2341 /* ast_log(LOG_DEBUG, "%s: vpb_write: Applied gain..\n", p->dev); */
2342 /* ast_log(LOG_DEBUG, "%s: vpb_write: play_buf_time %d\n", p->dev, p->play_buf_time); */
2343
2344 if ((p->read_state == 1)&&(p->play_buf_time<5)){
2345 play_buf_time_start = ast_tvnow();
2346 /* res = vpb_play_buf_sync(p->handle, (char*)frame->data, tdiff*8*2); */
2347 res = vpb_play_buf_sync(p->handle, (char*)frame->data, frame->datalen);
2348 if( res == VPB_OK && option_verbose > 5 ) {
2349 short * data = (short*)frame->data;
2350 ast_verbose("%s: vpb_write: Wrote chan (codec=%d) %d %d\n", p->dev, fmt, data[0],data[1]);
2351 }
2352 p->play_buf_time = ast_tvdiff_ms(ast_tvnow(), play_buf_time_start);
2353 }
2354 else {
2355 p->chuck_count++;
2356 ast_log(LOG_DEBUG, "%s: vpb_write: Tossed data away, tooooo much data!![%d]\n", p->dev,p->chuck_count);
2357 p->play_buf_time=0;
2358 }
2359
2360 ast_mutex_unlock(&p->play_lock);
2361 /* ast_mutex_unlock(&p->lock); */
2362 if(option_verbose>5)
2363 ast_verbose("%s: vpb_write: Done Writing to channel\n", p->dev);
2364 return 0;
2365 }
2366
2367 /* Read monitor thread function. */
2368 static void *do_chanreads(void *pvt)
2369 {
2370 struct vpb_pvt *p = (struct vpb_pvt *)pvt;
2371 struct ast_frame *fr = &p->fr;
2372 char *readbuf = ((char *)p->buf) + AST_FRIENDLY_OFFSET;
2373 int bridgerec = 0;
2374 int afmt, readlen, res, fmt, trycnt=0;
2375 int ignore_dtmf;
2376 const char * getdtmf_var = NULL;
2377
2378 fr->frametype = AST_FRAME_VOICE;
2379 fr->src = "vpb";
2380 fr->mallocd = 0;
2381 fr->delivery.tv_sec = 0;
2382 fr->delivery.tv_usec = 0;
2383 fr->samples = VPB_SAMPLES;
2384 fr->offset = AST_FRIENDLY_OFFSET;
2385 memset(p->buf, 0, sizeof p->buf);
2386
2387 if (option_verbose > 2) {
2388 ast_verbose("%s: chanreads: starting thread\n", p->dev);
2389 }
2390 ast_mutex_lock(&p->record_lock);
2391
2392 p->stopreads = 0;
2393 p->read_state = 1;
2394 while (!p->stopreads && p->owner) {
2395
2396 if (option_verbose > 4)
2397 ast_verbose("%s: chanreads: Starting cycle ...\n", p->dev);
2398 if (option_verbose > 4)
2399 ast_verbose("%s: chanreads: Checking bridge \n", p->dev);
2400 if (p->bridge) {
2401 if (p->bridge->c0 == p->owner && (p->bridge->flags & AST_BRIDGE_REC_CHANNEL_0))
2402 bridgerec = 1;
2403 else if (p->bridge->c1 == p->owner && (p->bridge->flags & AST_BRIDGE_REC_CHANNEL_1))
2404 bridgerec = 1;
2405 else
2406 bridgerec = 0;
2407 } else {
2408 if (option_verbose > 4)
2409 ast_verbose("%s: chanreads: No native bridge.\n", p->dev);
2410 if (p->owner->_bridge){
2411 if (option_verbose > 4){
2412 ast_verbose("%s: chanreads: Got Asterisk bridge with [%s].\n", p->dev,p->owner->_bridge->name);
2413 }
2414 bridgerec = 1;
2415 }
2416 else {
2417 bridgerec = 0;
2418 }
2419 }
2420
2421 /* if ( (p->owner->_state != AST_STATE_UP) || !bridgerec) */
2422 if ( (p->owner->_state != AST_STATE_UP) )
2423 {
2424 if (option_verbose > 4) {
2425 if (p->owner->_state != AST_STATE_UP)
2426 ast_verbose("%s: chanreads: Im not up[%d]\n", p->dev,p->owner->_state);
2427 else
2428 ast_verbose("%s: chanreads: No bridgerec[%d]\n", p->dev,bridgerec);
2429 }
2430 vpb_sleep(10);
2431 continue;
2432 }
2433
2434 /* Voicetronix DTMF detection can be triggered off ordinary speech
2435 * This leads to annoying beeps during the conversation
2436 * Avoid this problem by just setting VPB_GETDTMF when you want to listen for DTMF
2437 */
2438 /* ignore_dtmf = 1; */
2439 ignore_dtmf = 0; /* set this to 1 to turn this feature on */
2440 getdtmf_var = pbx_builtin_getvar_helper(p->owner,"VPB_GETDTMF");
2441 if( getdtmf_var && ( strcasecmp( getdtmf_var, "yes" ) == 0 ) )
2442 ignore_dtmf = 0;
2443
2444 if(( ignore_dtmf != p->last_ignore_dtmf ) &&(!use_ast_dtmfdet)){
2445 if(option_verbose>1)
2446 ast_verbose( VERBOSE_PREFIX_2 "%s:Now %s DTMF \n",
2447 p->dev, ignore_dtmf ? "ignoring" : "listening for");
2448 vpb_set_event_mask(p->handle, ignore_dtmf ? VPB_EVENTS_NODTMF : VPB_EVENTS_ALL );
2449 }
2450 p->last_ignore_dtmf = ignore_dtmf;
2451
2452 /* Play DTMF digits here to avoid problem you get if playing a digit during
2453 * a record operation
2454 */
2455 if (option_verbose > 5) {
2456 ast_verbose("%s: chanreads: Checking dtmf's \n", p->dev);
2457 }
2458 ast_mutex_lock(&p->play_dtmf_lock);
2459 if( p->play_dtmf[0] ) {
2460 /* Try to ignore DTMF event we get after playing digit */
2461 /* This DTMF is played by asterisk and leads to an annoying trailing beep on CISCO phones */
2462 if( !ignore_dtmf)
2463 vpb_set_event_mask(p->handle, VPB_EVENTS_NODTMF );
2464 if (p->bridge == NULL){
2465 vpb_dial_sync(p->handle,p->play_dtmf);
2466 if(option_verbose>1)
2467 ast_verbose( VERBOSE_PREFIX_2 "%s: chanreads: Played DTMF %s\n",p->dev,p->play_dtmf);
2468 }
2469 else {
2470 if (option_verbose > 1)
2471 ast_verbose(VERBOSE_PREFIX_2 "%s: chanreads: Not playing DTMF frame on native bridge\n", p->dev);
2472 }
2473 p->play_dtmf[0] = '\0';
2474 ast_mutex_unlock(&p->play_dtmf_lock);
2475 vpb_sleep(700); /* Long enough to miss echo and DTMF event */
2476 if( !ignore_dtmf)
2477 vpb_set_event_mask(p->handle, VPB_EVENTS_ALL );
2478 continue;
2479 }
2480 ast_mutex_unlock(&p->play_dtmf_lock);
2481
2482 /* afmt = (p->owner) ? p->owner->rawreadformat : AST_FORMAT_SLINEAR; */
2483 if (p->owner){
2484 afmt = p->owner->rawreadformat;
2485 /* ast_log(LOG_DEBUG,"%s: Record using owner format [%s]\n", p->dev, ast2vpbformatname(afmt)); */
2486 }
2487 else {
2488 afmt = AST_FORMAT_SLINEAR;
2489 /* ast_log(LOG_DEBUG,"%s: Record using default format [%s]\n", p->dev, ast2vpbformatname(afmt)); */
2490 }
2491 fmt = ast2vpbformat(afmt);
2492 if (fmt < 0) {
2493 ast_log(LOG_WARNING,"%s: Record failure (unsupported format %d)\n", p->dev, afmt);
2494 return NULL;
2495 }
2496 readlen = VPB_SAMPLES * astformatbits(afmt) / 8;
2497
2498 if (p->lastinput == -1) {
2499 vpb_record_buf_start(p->handle, fmt);
2500 vpb_reset_record_fifo_alarm(p->handle);
2501 p->lastinput = fmt;
2502 if(option_verbose>1)
2503 ast_verbose( VERBOSE_PREFIX_2 "%s: Starting record mode (codec=%d)[%s]\n",p->dev,fmt,ast2vpbformatname(afmt));
2504 continue;
2505 } else if (p->lastinput != fmt) {
2506 vpb_record_buf_finish(p->handle);
2507 vpb_record_buf_start(p->handle, fmt);
2508 p->lastinput = fmt;
2509 if(option_verbose>1)
2510 ast_verbose( VERBOSE_PREFIX_2 "%s: Changed record format (%d=>%d)\n",p->dev,p->lastinput,fmt);
2511 continue;
2512 }
2513
2514 /* Read only if up and not bridged, or a bridge for which we can read. */
2515 if (option_verbose > 5) {
2516 ast_verbose("%s: chanreads: getting buffer!\n", p->dev);
2517 }
2518 if( (res = vpb_record_buf_sync(p->handle, readbuf, readlen) ) == VPB_OK ) {
2519 if (option_verbose > 5) {
2520 ast_verbose("%s: chanreads: got buffer!\n", p->dev);
2521 }
2522 /* Apply extra gain ! */
2523 if( p->rxswgain > MAX_VPB_GAIN )
2524 a_gain_vector(p->rxswgain - MAX_VPB_GAIN , (short*)readbuf, readlen/sizeof(short));
2525 if (option_verbose > 5) {
2526 ast_verbose("%s: chanreads: applied gain\n", p->dev);
2527 }
2528
2529 fr->subclass = afmt;
2530 fr->data = readbuf;
2531 fr->datalen = readlen;
2532 fr->frametype = AST_FRAME_VOICE;
2533
2534 if ((use_ast_dtmfdet)&&(p->vad)){
2535 fr = ast_dsp_process(p->owner,p->vad,fr);
2536 if (fr && (fr->frametype == AST_FRAME_DTMF))
2537 ast_log(LOG_DEBUG, "%s: chanreads: Detected DTMF '%c'\n",p->dev, fr->subclass);
2538 if (fr->subclass == 'm'){
2539 /* conf mute request */
2540 fr->frametype = AST_FRAME_NULL;
2541 fr->subclass = 0;
2542 }
2543 else if (fr->subclass == 'u'){
2544 /* Unmute */
2545 fr->frametype = AST_FRAME_NULL;
2546 fr->subclass = 0;
2547 }
2548 else if (fr->subclass == 'f'){
2549 }
2550 }
2551 /* Using trylock here to prevent deadlock when channel is hungup
2552 * (ast_hangup() immediately gets lock)
2553 */
2554 if (p->owner && !p->stopreads ) {
2555 if (option_verbose > 5) {
2556 ast_verbose("%s: chanreads: queueing buffer on read frame q (state[%d])\n", p->dev,p->owner->_state);
2557 }
2558 do {
2559 res = ast_mutex_trylock(&p->owner->lock);
2560 trycnt++;
2561 } while((res !=0)&&(trycnt<300));
2562 if (res==0) {
2563 ast_queue_frame(p->owner, fr);
2564 ast_mutex_unlock(&p->owner->lock);
2565 } else {
2566 if (option_verbose > 4)
2567 ast_verbose("%s: chanreads: Couldnt get lock after %d tries!\n", p->dev,trycnt);
2568 }
2569 trycnt=0;
2570
2571 /*
2572 res = ast_mutex_trylock(&p->owner->lock);
2573 if (res==0) {
2574 ast_queue_frame(p->owner, fr);
2575 ast_mutex_unlock(&p->owner->lock);
2576 } else {
2577 if (res == EINVAL )
2578 if (option_verbose > 4) ast_verbose("%s: chanreads: try owner->lock gave me EINVAL[%d]\n", p->dev,res);
2579 else if (res == EBUSY )
2580 if (option_verbose > 4) ast_verbose("%s: chanreads: try owner->lock gave me EBUSY[%d]\n", p->dev,res);
2581 while(res !=0){
2582 res = ast_mutex_trylock(&p->owner->lock);
2583 }
2584 if (res==0) {
2585 ast_queue_frame(p->owner, fr);
2586 ast_mutex_unlock(&p->owner->lock);
2587 }
2588 else {
2589 if (res == EINVAL )
2590 if (option_verbose > 4) ast_verbose("%s: chanreads: try owner->lock gave me EINVAL[%d]\n", p->dev,res);
2591 else if (res == EBUSY )
2592 if (option_verbose > 4) ast_verbose("%s: chanreads: try owner->lock gave me EBUSY[%d]\n", p->dev,res);
2593 if (option_verbose > 4) ast_verbose("%s: chanreads: Couldnt get lock on owner[%s][%d][%d] channel to send frame!\n", p->dev,p->owner->name,(int)p->owner->lock.__m_owner,(int)p->owner->lock.__m_count);
2594 }
2595 }
2596 */
2597 if (option_verbose > 6) {
2598 short * data = (short*)readbuf;
2599 ast_verbose("%s: Read channel (codec=%d) %d %d\n", p->dev, fmt, data[0], data[1] );
2600 }
2601 }
2602 else {
2603 if (option_verbose > 4) {
2604 ast_verbose("%s: p->stopreads[%d] p->owner[%p]\n", p->dev, p->stopreads,(void *)p->owner);
2605 }
2606 }
2607 }
2608 if (option_verbose > 4)
2609 ast_verbose("%s: chanreads: Finished cycle...\n", p->dev);
2610 }
2611 p->read_state=0;
2612
2613 /* When stopreads seen, go away! */
2614 vpb_record_buf_finish(p->handle);
2615 p->read_state=0;
2616 ast_mutex_unlock(&p->record_lock);
2617
2618 if (option_verbose > 1)
2619 ast_verbose(VERBOSE_PREFIX_2 "%s: Ending record mode (%d/%s)\n",
2620 p->dev, p->stopreads, p->owner? "yes" : "no");
2621 return NULL;
2622 }
2623
2624 static struct ast_channel *vpb_new(struct vpb_pvt *me, enum ast_channel_state state, char *context)
2625 {
2626 struct ast_channel *tmp;
2627 char cid_num[256];
2628 char cid_name[256];
2629
2630 if (me->owner) {
2631 ast_log(LOG_WARNING, "Called vpb_new on owned channel (%s) ?!\n", me->dev);
2632 return NULL;
2633 }
2634 if (option_verbose > 3)
2635 ast_verbose("%s: New call for context [%s]\n",me->dev,context);
2636
2637 tmp = ast_channel_alloc(1, state, 0, 0, "", me->ext, me->context, 0, me->dev);
2638 if (tmp) {
2639 if (use_ast_ind == 1){
2640 tmp->tech = &vpb_tech_indicate;
2641 }
2642 else {
2643 tmp->tech = &vpb_tech;
2644 }
2645
2646 tmp->callgroup = me->callgroup;
2647 tmp->pickupgroup = me->pickupgroup;
2648
2649 /* Linear is the preferred format. Although Voicetronix supports other formats
2650 * they are all converted to/from linear in the vpb code. Best for us to use
2651 * linear since we can then adjust volume in this modules.
2652 */
2653 tmp->nativeformats = prefformat;
2654 tmp->rawreadformat = AST_FORMAT_SLINEAR;
2655 tmp->rawwriteformat = AST_FORMAT_SLINEAR;
2656 if (state == AST_STATE_RING) {
2657 tmp->rings = 1;
2658 cid_name[0] = '\0';
2659 cid_num[0] = '\0';
2660 ast_callerid_split(me->callerid, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
2661 ast_set_callerid(tmp, cid_num, cid_name, cid_num);
2662 }
2663 tmp->tech_pvt = me;
2664
2665 strncpy(tmp->context, context, sizeof(tmp->context)-1);
2666 if (strlen(me->ext))
2667 strncpy(tmp->exten, me->ext, sizeof(tmp->exten)-1);
2668 else
2669 strncpy(tmp->exten, "s", sizeof(tmp->exten) - 1);
2670 if (strlen(me->language))
2671 ast_string_field_set(tmp, language, me->language);
2672
2673 me->owner = tmp;
2674
2675 me->bridge = NULL;
2676 me->lastoutput = -1;
2677 me->lastinput = -1;
2678 me->last_ignore_dtmf = 1;
2679 me->readthread = 0;
2680 me->play_dtmf[0] = '\0';
2681 me->faxhandled =0;
2682
2683 me->lastgrunt = ast_tvnow(); /* Assume at least one grunt tone seen now. */
2684 me->lastplay = ast_tvnow(); /* Assume at least one grunt tone seen now. */
2685
2686 ast_mutex_lock(&usecnt_lock);
2687 usecnt++;
2688 ast_mutex_unlock(&usecnt_lock);
2689 ast_update_use_count();
2690 if (state != AST_STATE_DOWN) {
2691 if ((me->mode != MODE_FXO)&&(state != AST_STATE_UP)){
2692 vpb_answer(tmp);
2693 }
2694 if (ast_pbx_start(tmp)) {
2695 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
2696 ast_hangup(tmp);
2697 }
2698 }
2699 } else {
2700 ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
2701 }
2702 return tmp;
2703 }
2704
2705 static struct ast_channel *vpb_request(const char *type, int format, void *data, int *cause)
2706 {
2707 int oldformat;
2708 struct vpb_pvt *p;
2709 struct ast_channel *tmp = NULL;
2710 char *name = strdup(data ? (char *)data : "");
2711 char *s, *sepstr;
2712 int group=-1;
2713
2714 oldformat = format;
2715 format &= prefformat;
2716 if (!format) {
2717 ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", oldformat);
2718 return NULL;
2719 }
2720
2721 sepstr = name;
2722 s = strsep(&sepstr, "/"); /* Handle / issues */
2723 if (!s)
2724 s = "";
2725 /* Check if we are looking for a group */
2726 if (toupper(name[0]) == 'G' || toupper(name[0])=='R') {
2727 group=atoi(name+1);
2728 }
2729 /* Search for an unowned channel */
2730 ast_mutex_lock(&iflock); {
2731 p = iflist;
2732 while(p) {
2733 if (group == -1){
2734 if (strncmp(s, p->dev + 4, sizeof p->dev) == 0) {
2735 if (!p->owner) {
2736 tmp = vpb_new(p, AST_STATE_DOWN, p->context);
2737 break;
2738 }
2739 }
2740 }
2741 else {
2742 if ((p->group == group) && (!p->owner)) {
2743 tmp = vpb_new(p, AST_STATE_DOWN, p->context);
2744 break;
2745 }
2746 }
2747 p = p->next;
2748 }
2749 } ast_mutex_unlock(&iflock);
2750
2751
2752 if (option_verbose > 1)
2753 ast_verbose(VERBOSE_PREFIX_2 " %s requested, got: [%s]\n",
2754 name, tmp ? tmp->name : "None");
2755
2756 free(name);
2757
2758 restart_monitor();
2759 return tmp;
2760 }
2761
2762 static float parse_gain_value(char *gain_type, char *value)
2763 {
2764 float gain;
2765
2766 /* try to scan number */
2767 if (sscanf(value, "%f", &gain) != 1)
2768 {
2769 ast_log(LOG_ERROR, "Invalid %s value '%s' in '%s' config\n", value, gain_type, config);
2770 return DEFAULT_GAIN;
2771 }
2772
2773
2774 /* percentage? */
2775 /*if (value[strlen(value) - 1] == '%') */
2776 /* return gain / (float)100; */
2777
2778 return gain;
2779 }
2780
2781
2782 int unload_module()
2783 {
2784 struct vpb_pvt *p;
2785 /* First, take us out of the channel loop */
2786 if (use_ast_ind == 1){
2787 ast_channel_unregister(&vpb_tech_indicate);
2788 }
2789 else {
2790 ast_channel_unregister(&vpb_tech);
2791 }
2792
2793 ast_mutex_lock(&iflock); {
2794 /* Hangup all interfaces if they have an owner */
2795 p = iflist;
2796 while(p) {
2797 if (p->owner)
2798 ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
2799 p = p->next;
2800 }
2801 iflist = NULL;
2802 } ast_mutex_unlock(&iflock);
2803
2804 ast_mutex_lock(&monlock); {
2805 if (mthreadactive > -1) {
2806 pthread_cancel(monitor_thread);
2807 pthread_join(monitor_thread, NULL);
2808 }
2809 mthreadactive = -2;
2810 } ast_mutex_unlock(&monlock);
2811
2812 ast_mutex_lock(&iflock); {
2813 /* Destroy all the interfaces and free their memory */
2814
2815 while(iflist) {
2816 p = iflist;
2817 ast_mutex_destroy(&p->lock);
2818 pthread_cancel(p->readthread);
2819 ast_mutex_destroy(&p->owner_lock);
2820 ast_mutex_destroy(&p->record_lock);
2821 ast_mutex_destroy(&p->play_lock);
2822 ast_mutex_destroy(&p->play_dtmf_lock);
2823 p->readthread = 0;
2824
2825 vpb_close(p->handle);
2826
2827 iflist = iflist->next;
2828
2829 free(p);
2830 }
2831 iflist = NULL;
2832 } ast_mutex_unlock(&iflock);
2833
2834 ast_mutex_lock(&bridge_lock); {
2835 memset(bridges, 0, sizeof bridges);
2836 } ast_mutex_unlock(&bridge_lock);
2837 ast_mutex_destroy(&bridge_lock);
2838 for(int i = 0; i < max_bridges; i++ ) {
2839 ast_mutex_destroy(&bridges[i].lock);
2840 ast_cond_destroy(&bridges[i].cond);
2841 }
2842 free(bridges);
2843
2844 return 0;
2845 }
2846
2847 int load_module()
2848 {
2849 struct ast_config *cfg;
2850 struct ast_variable *v;
2851 struct vpb_pvt *tmp;
2852 int board = 0, group = 0;
2853 ast_group_t callgroup = 0;
2854 ast_group_t pickupgroup = 0;
2855 int mode = MODE_IMMEDIATE;
2856 float txgain = DEFAULT_GAIN, rxgain = DEFAULT_GAIN;
2857 float txswgain = 0, rxswgain = 0;
2858 int got_gain=0;
2859 int first_channel = 1;
2860 int echo_cancel = DEFAULT_ECHO_CANCEL;
2861 int error = 0; /* Error flag */
2862 int bal1 = -1; /* Special value - means do not set */
2863 int bal2 = -1;
2864 int bal3 = -1;
2865 char * callerid = NULL;
2866
2867 cfg = ast_config_load(config);
2868
2869 /* We *must* have a config file otherwise stop immediately */
2870 if (!cfg) {
2871 ast_log(LOG_ERROR, "Unable to load config %s\n", config);
2872 return AST_MODULE_LOAD_DECLINE;
2873 }
2874
2875 vpb_seterrormode(VPB_ERROR_CODE);
2876
2877 ast_mutex_lock(&iflock); {
2878 v = ast_variable_browse(cfg, "general");
2879 while (v){
2880 if (strcasecmp(v->name, "cards") == 0) {
2881 ast_log(LOG_NOTICE,"VPB Driver configured to use [%d] cards\n",atoi(v->value));
2882 }
2883 else if (strcasecmp(v->name, "indication") == 0) {
2884 use_ast_ind = 1;
2885 ast_log(LOG_NOTICE,"VPB driver using Asterisk Indication functions!\n");
2886 }
2887 else if (strcasecmp(v->name, "break-for-dtmf") == 0) {
2888 if (ast_true(v->value)){
2889 break_for_dtmf = 1;
2890 }
2891 else {
2892 break_for_dtmf = 0;
2893 ast_log(LOG_NOTICE,"VPB driver not stopping for DTMF's in native bridge\n");
2894 }
2895 }
2896 else if (strcasecmp(v->name, "ast-dtmf") == 0) {
2897 use_ast_dtmf = 1;
2898 ast_log(LOG_NOTICE,"VPB driver using Asterisk DTMF play functions!\n");
2899 }
2900 else if (strcasecmp(v->name, "ast-dtmf-det") == 0) {
2901 use_ast_dtmfdet = 1;
2902 ast_log(LOG_NOTICE,"VPB driver using Asterisk DTMF detection functions!\n");
2903 }
2904 else if (strcasecmp(v->name, "relaxdtmf") == 0) {
2905 relaxdtmf = 1;
2906 ast_log(LOG_NOTICE,"VPB driver using Relaxed DTMF with Asterisk DTMF detections functions!\n");
2907 }
2908 else if (strcasecmp(v->name, "timer_period_ring") ==0) {
2909 timer_period_ring = atoi(v->value);
2910 }
2911 else if (strcasecmp(v->name, "ecsuppthres") ==0) {
2912 ec_supp_threshold = atoi(v->value);
2913 }
2914 else if (strcasecmp(v->name, "dtmfidd") ==0) {
2915 dtmf_idd = atoi(v->value);
2916 ast_log(LOG_NOTICE,"VPB Driver setting DTMF IDD to [%d]ms\n",dtmf_idd);
2917 }
2918 v = v->next;
2919 }
2920
2921 v = ast_variable_browse(cfg, "interfaces");
2922 while(v) {
2923 /* Create the interface list */
2924 if (strcasecmp(v->name, "board") == 0) {
2925 board = atoi(v->value);
2926 } else if (strcasecmp(v->name, "group") == 0){
2927 group = atoi(v->value);
2928 } else if (strcasecmp(v->name, "callgroup") == 0){
2929 callgroup = ast_get_group(v->value);
2930 } else if (strcasecmp(v->name, "pickupgroup") == 0){
2931 pickupgroup = ast_get_group(v->value);
2932 } else if (strcasecmp(v->name, "usepolaritycid") == 0){
2933 UsePolarityCID = atoi(v->value);
2934 } else if (strcasecmp(v->name, "useloopdrop") == 0){
2935 UseLoopDrop = atoi(v->value);
2936 } else if (strcasecmp(v->name, "usenativebridge") == 0){
2937 UseNativeBridge = atoi(v->value);
2938 } else if (strcasecmp(v->name, "channel") == 0) {
2939 int channel = atoi(v->value);
2940 tmp = mkif(board, channel, mode, got_gain, txgain, rxgain, txswgain, rxswgain, bal1, bal2, bal3, callerid, echo_cancel,group,callgroup,pickupgroup);
2941 if (tmp) {
2942 if(first_channel) {
2943 mkbrd( tmp->vpb_model, echo_cancel );
2944 first_channel = 0;
2945 }
2946 tmp->next = iflist;
2947 iflist = tmp;
2948 } else {
2949 ast_log(LOG_ERROR, "Unable to register channel '%s'\n", v->value);
2950 error = -1;
2951 goto done;
2952 }
2953 } else if (strcasecmp(v->name, "language") == 0) {
2954 strncpy(language, v->value, sizeof(language)-1);
2955 } else if (strcasecmp(v->name, "callerid") == 0) {
2956 callerid = strdup(v->value);
2957 } else if (strcasecmp(v->name, "mode") == 0) {
2958 if (strncasecmp(v->value, "di", 2) == 0)
2959 mode = MODE_DIALTONE;
2960 else if (strncasecmp(v->value, "im", 2) == 0)
2961 mode = MODE_IMMEDIATE;
2962 else if (strncasecmp(v->value, "fx", 2) == 0)
2963 mode = MODE_FXO;
2964 else
2965 ast_log(LOG_WARNING, "Unknown mode: %s\n", v->value);
2966 } else if (!strcasecmp(v->name, "context")) {
2967 strncpy(context, v->value, sizeof(context)-1);
2968 } else if (!strcasecmp(v->name, "echocancel")) {
2969 if (!strcasecmp(v->value, "off"))
2970 echo_cancel = 0;
2971 } else if (strcasecmp(v->name, "txgain") == 0) {
2972 txswgain = parse_gain_value(v->name, v->value);
2973 got_gain |=VPB_GOT_TXSWG;
2974 } else if (strcasecmp(v->name, "rxgain") == 0) {
2975 rxswgain = parse_gain_value(v->name, v->value);
2976 got_gain |=VPB_GOT_RXSWG;
2977 } else if (strcasecmp(v->name, "txhwgain") == 0) {
2978 txgain = parse_gain_value(v->name, v->value);
2979 got_gain |=VPB_GOT_TXHWG;
2980 } else if (strcasecmp(v->name, "rxhwgain") == 0) {
2981 rxgain = parse_gain_value(v->name, v->value);
2982 got_gain |=VPB_GOT_RXHWG;
2983 } else if (strcasecmp(v->name, "bal1") == 0) {
2984 bal1 = strtol(v->value, NULL, 16);
2985 if(bal1<0 || bal1>255) {
2986 ast_log(LOG_WARNING, "Bad bal1 value: %d\n", bal1);
2987 bal1 = -1;
2988 }
2989 } else if (strcasecmp(v->name, "bal2") == 0) {
2990 bal2 = strtol(v->value, NULL, 16);
2991 if(bal2<0 || bal2>255) {
2992 ast_log(LOG_WARNING, "Bad bal2 value: %d\n", bal2);
2993 bal2 = -1;
2994 }
2995 } else if (strcasecmp(v->name, "bal3") == 0) {
2996 bal3 = strtol(v->value, NULL, 16);
2997 if(bal3<0 || bal3>255) {
2998 ast_log(LOG_WARNING, "Bad bal3 value: %d\n", bal3);
2999 bal3 = -1;
3000 }
3001 } else if (strcasecmp(v->name, "grunttimeout") == 0) {
3002 gruntdetect_timeout = 1000*atoi(v->value);
3003 }
3004 v = v->next;
3005 }
3006
3007 if (gruntdetect_timeout < 1000)
3008 gruntdetect_timeout = 1000;
3009
3010 done: (void)0;
3011 } ast_mutex_unlock(&iflock);
3012
3013 ast_config_destroy(cfg);
3014
3015 if (use_ast_ind == 1){
3016 if (!error && ast_channel_register(&vpb_tech_indicate) != 0) {
3017 ast_log(LOG_ERROR, "Unable to register channel class 'vpb'\n");
3018 error = -1;
3019 }
3020 else {
3021 ast_log(LOG_NOTICE,"VPB driver Registered (w/AstIndication)\n");
3022 }
3023 }
3024 else {
3025 if (!error && ast_channel_register(&vpb_tech) != 0) {
3026 ast_log(LOG_ERROR, "Unable to register channel class 'vpb'\n");
3027 error = -1;
3028 }
3029 else {
3030 ast_log(LOG_NOTICE,"VPB driver Registered )\n");
3031 }
3032 }
3033
3034
3035 if (error)
3036 unload_module();
3037 else
3038 restart_monitor(); /* And start the monitor for the first time */
3039
3040 return error;
3041 }
3042
3043 int usecount()
3044 {
3045 return usecnt;
3046 }
3047
3048 const char *description()
3049 {
3050 return (char *) desc;
3051 }
3052
3053 const char *key()
3054 {
3055 return ASTERISK_GPL_KEY;
3056 }
3057
3058 /**/
3059 #if defined(__cplusplus) || defined(c_plusplus)
3060 }
3061 #endif
3062 /**/
3063
3064
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