/**
* Handle the PROK signal
*
* @param Streamwide_Engine_Signal $signal
* @return void
*/
protected function _handleProkSignal(Streamwide_Engine_Signal $signal)
{
if (false === $signal->relay($this->_leftCallLeg->getName())) {
$this->_unsubscribeFromEngineEvents();
return $this->dispatchErrorEvent(self::PROK_SIGNAL_RELAY_ERR_CODE);
}
}
/**
* We have received the FAILSDP signal from the SIP call leg we need to
* relay it to the MS call leg and dispatch an error event
*
* @param Streamwide_Engine_Signal $signal
* @return void
*/
protected function _handleFailSdpSignal(Streamwide_Engine_Signal $signal)
{
$this->_unsubscribeFromEngineEvents();
if (false === $signal->relay($this->_rightCallLeg->getName())) {
return $this->dispatchErrorEvent(self::FAILSDP_SIGNAL_RELAY_ERR_CODE);
}
$params = $signal->getParams();
$failureCode = isset($params['code']) ? $params['code'] : null;
return $this->dispatchErrorEvent(self::MS_NOT_CREATED_ERR_CODE, array('failureCode' => $failureCode, 'signal' => $signal));
}
/**
* We received PROGRESS signal from the callee SIP call leg. We need to relay it to
* the caller SIP call leg and dispatch a PROGRESS event
*
* @param Streamwide_Engine_Signal $signal
* @return void
*/
protected function _handleProgressSignal(Streamwide_Engine_Signal $signal)
{
if (false === $signal->relay($this->_leftCallLeg->getName())) {
$this->_unsubscribeFromEngineEvents();
return $this->dispatchErrorEvent(self::PROGRESS_SIGNAL_RELAY_ERR_CODE);
}
$event = new Streamwide_Engine_Events_Event(Streamwide_Engine_Events_Event::PROGRESS);
$event->setParam('signal', $signal);
return $this->dispatchEvent($event);
}
/**
* We have received OKMOVED, we need see who its from. If it came from
* the SIP call leg we need to send an OKSDP signal to MS call leg, if it
* came from MS call leg we need to relay it to the SIP call leg and
* dispatch the FAX_ENV_CREATED event
*
* @param Streamwide_Engine_Signal $signal
* @return void
*/
protected function _handleOkMovedSignal(Streamwide_Engine_Signal $signal)
{
$remote = $signal->getRemote();
if ($remote === $this->_leftCallLeg->getName()) {
$this->_leftCallLeg->getParams($signal->getParams());
$oksdpSignal = Streamwide_Engine_Signal::factory(Streamwide_Engine_Signal::OKSDP, $this->_rightCallLeg->getName(), $signal->getParams());
if (false === $oksdpSignal->send()) {
$this->_unsubscribeFromEngineEvents();
return $this->dispatchErrorEvent(self::OKSDP_SIGNAL_SEND_ERR_CODE);
}
return null;
}
if ($remote === $this->_rightCallLeg->getName()) {
$this->_rightCallLeg->setParams($signal->getParams());
if (false === $signal->relay($this->_leftCallLeg->getName())) {
$this->_unsubscribeFromEngineEvents();
return $this->dispatchErrorEvent(self::OKMOVED_SIGNAL_RELAY_ERR_CODE);
}
$event = new Streamwide_Engine_Events_Event(Streamwide_Engine_Events_Event::CONNECTED);
$event->setParam('signal', $signal);
return $this->dispatchEvent($event);
}
}
/**
* We have received the FAIL signal from the SW Engine, we need to unsubscribe
* from the other signals, relay the FAIL signal to the SIP call leg and dispatch
* an error event signaling that the MS call leg has not been created
*
* @param Streamwide_Engine_Signal $signal
* @return void
*/
protected function _handleFailSignal(Streamwide_Engine_Signal $signal)
{
// unsubscribe from OK, FAIL and CHILD signals
$this->_unsubscribeFromEngineEvents();
// relay the FAIL signal to the SIP call leg
if (false === $signal->relay($this->_leftCallLeg->getName())) {
return $this->dispatchErrorEvent(self::FAIL_SIGNAL_RELAY_ERR_CODE);
}
// dispatch an error event signaling that the MS call leg
// could not be created
$params = $signal->getParams();
$failureCode = isset($params['code']) ? $params['code'] : null;
return $this->dispatchErrorEvent(self::MS_NOT_CREATED_ERR_CODE, array('failureCode' => $failureCode, 'signal' => $signal));
}
