/* Needs to be called with d->lock */
sccp_channel_t *
sccp_dev_allocate_channel(sccp_device_t * d, sccp_line_t * l, int outgoing, char * dial)
{
sccp_channel_t * c = NULL;
struct ast_channel * tmp = NULL;
pthread_t t;
int callId;
if (!d->session) {
ast_log(LOG_ERROR, "Tried to open channel on device without a session\n");
return NULL;
}
// If there is no current line, then we can't make a call in, or out.
if (!d->currentLine) {
ast_log(LOG_ERROR, "Tried to open channel on a device with no selected line\n");
return NULL;
}
if (l == NULL)
l = d->currentLine;
ast_mutex_lock(&callCountLock);
callId = callCount++;
ast_mutex_unlock(&callCountLock);
c = malloc(sizeof(sccp_channel_t));
memset(c, 0, sizeof(sccp_channel_t));
c->callid = callId;
c->line = l;
ast_mutex_lock(&l->lock);
l->channelCount++;
ast_mutex_unlock(&l->lock);
ast_log(LOG_DEBUG, "After: #Channel ->lnext = %p, c = %p, channels = %p\n", c->lnext, c, chans);
tmp = sccp_new_channel(c, AST_STATE_OFFHOOK);
ast_log(LOG_DEBUG, "New channel name is: %s\n", tmp->name);
ast_log(LOG_DEBUG, "After: #Channel ->lnext = %p, c = %p, channels = %p\n", c->lnext, c, chans);
ast_mutex_lock(&chanlock);
c->lnext = chans;
chans = c;
ast_mutex_unlock(&chanlock);
c->owner = tmp;
c->next = l->channels;
l->channels = c;
l->activeChannel = c;
if (outgoing) {
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
c->isOutgoing = 1;
d->active_channel = c;
ast_log(LOG_DEBUG, "After: #Channel ->lnext = %p, c = %p, channels = %p\n", c->lnext, c, chans);
sccp_dev_set_speaker(d, StationSpeakerOn);
sccp_channel_set_callstate(c, TsOffHook);
sccp_dev_statusprompt_set(d, c, NULL, 0);
sccp_dev_set_keyset(d, c, KEYMODE_OFFHOOK);
sccp_dev_set_sptone(d, "InsideDialTone");
if (dial) {
strncpy(tmp->exten, dial, AST_MAX_EXTENSION);
if (ast_pbx_start(tmp)) {
ast_log(LOG_WARNING, "PBX exited non-zero\n");
sccp_dev_statusprompt_set(l->device, c, "PBX Error", 10);
sccp_dev_set_sptone(l->device, "ReorderTone");
ast_indicate(tmp, AST_CONTROL_CONGESTION);
}
ast_log(LOG_DEBUG, "After: #Channel ->lnext = %p, c = %p, channels = %p\n", c->lnext, c, chans);
} else if (pthread_create(&t, &attr, sccp_start_channel, tmp)) {
ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno));
ast_hangup(tmp);
free(c);
return NULL;
}
} else {
// It's an incoming call.
}
ast_log(LOG_DEBUG, "After: #Channel ->lnext = %p, c = %p, chans = %p\n", c->lnext, c, chans);
return c;
}
void * sccp_pbx_startchannel(void *data) {
struct cw_channel * chan = data;
sccp_channel_t * c;
sccp_line_t * l;
sccp_device_t * d;
uint8_t res_exten = 0, res_wait = 0, res_timeout = 0;
c = CS_CW_CHANNEL_PVT(chan);
if ( !c || !(l = c->line) || !(d = c->device) ) {
cw_hangup(chan);
return NULL;
}
sccp_log(1)( VERBOSE_PREFIX_3 "%s: New call on line %s\n", d->id, l->name);
cw_mutex_lock(&c->lock);
c->calltype = SKINNY_CALLTYPE_OUTBOUND;
c->hangupok = 0;
cw_mutex_unlock(&c->lock);
sccp_channel_set_callingparty(c, l->cid_name, l->cid_num);
if (!cw_strlen_zero(c->dialedNumber)) {
/* we have a number to dial. Let's do it */
sccp_log(10)( VERBOSE_PREFIX_3 "%s: Dialing %s on channel %s-%d\n", l->device->id, c->dialedNumber, l->name, c->callid);
sccp_channel_set_calledparty(c, c->dialedNumber, c->dialedNumber);
sccp_indicate_lock(c, SCCP_CHANNELSTATE_DIALING);
goto dial;
}
/* we have to collect the number */
/* the phone is on TsOffHook state */
sccp_log(10)( VERBOSE_PREFIX_3 "%s: Waiting for the number to dial on channel %s-%d\n", l->device->id, l->name, c->callid);
/* let's use the keypad to collect digits */
cw_mutex_lock(&c->lock);
c->digittimeout = time(0)+GLOB(firstdigittimeout);
cw_mutex_unlock(&c->lock);
res_exten = 1;
do {
pthread_testcancel();
usleep(100);
cw_mutex_lock(&c->lock);
if (!cw_strlen_zero(c->dialedNumber)) {
res_exten = (c->dialedNumber[0] == '*' || cw_matchmore_extension(chan, chan->context, c->dialedNumber, 1, l->cid_num));
}
if (! (res_wait = ( c->state == SCCP_CHANNELSTATE_DOWN || chan->_state == CW_STATE_DOWN
|| chan->_softhangup || c->calltype == SKINNY_CALLTYPE_INBOUND)) ) {
if (CS_CW_CHANNEL_PVT(chan)) {
res_timeout = (time(0) < c->digittimeout);
} else
res_timeout = 0;
}
cw_mutex_unlock(&c->lock);
} while ( (res_wait == 0) && res_exten && res_timeout);
if (res_wait != 0) {
/* CW_STATE_DOWN or softhangup */
sccp_log(10)(VERBOSE_PREFIX_3 "%s: return from the startchannel for DOWN, HANGUP or PICKUP cause\n", l->device->id);
cw_mutex_lock(&c->lock);
c->hangupok = 1;
cw_mutex_unlock(&c->lock);
return NULL;
}
dial:
cw_mutex_lock(&c->lock);
cw_copy_string(chan->exten, c->dialedNumber, sizeof(chan->exten));
cw_copy_string(d->lastNumber, c->dialedNumber, sizeof(d->lastNumber));
sccp_channel_set_calledparty(c, c->dialedNumber, c->dialedNumber);
/* proceed call state is needed to display the called number.
The phone will not display callinfo in offhook state */
sccp_channel_set_callstate(c, SKINNY_CALLSTATE_PROCEED);
sccp_channel_send_callinfo(c);
sccp_dev_clearprompt(d,c->line->instance, c->callid);
sccp_dev_displayprompt(d, c->line->instance, c->callid, SKINNY_DISP_CALL_PROCEED, 0);
c->hangupok = 1;
cw_mutex_unlock(&c->lock);
if ( !cw_strlen_zero(c->dialedNumber)
&& cw_exists_extension(chan, chan->context, c->dialedNumber, 1, l->cid_num) ) {
/* found an extension, let's dial it */
sccp_log(10)(VERBOSE_PREFIX_3 "%s: channel %s-%d is dialing number %s\n", l->device->id, l->name, c->callid, c->dialedNumber);
/* Answer dialplan command works only when in RINGING OR RING cw_state */
sccp_cw_setstate(c, CW_STATE_RING);
if (cw_pbx_run(chan)) {
sccp_indicate_lock(c, SCCP_CHANNELSTATE_INVALIDNUMBER);
}
} else {
/* timeout and no extension match */
sccp_indicate_lock(c, SCCP_CHANNELSTATE_INVALIDNUMBER);
}
sccp_log(10)(VERBOSE_PREFIX_3 "%s: return from the startchannel on exit\n", l->device->id);
return NULL;
}