/**
* The action AA-4
*
* @param mixed $datas The datas
*
* @return string
*
* @see DICOM Standard PS 3.8 Section 9.2
*/
protected function doAA4($datas)
{
$pdu = CDicomPDUFactory::decodePDU($datas);
$this->addMessage($pdu->type_str, $pdu);
$this->status = "Aborted";
$this->state = self::STA1;
}
/**
* Check if we can understand the message
*
* @param string $msg The message
*
* @param CInteropActor $actor The actor
*
* @param array $pres_contexts The presentation contexts
*
* @return boolean
*/
function understand($msg, CInteropActor $actor = null, $pres_contexts = null)
{
$this->_presentation_contexts = $pres_contexts;
if (!$this->isWellFormed($msg)) {
return false;
}
$pdu = CDicomPDUFactory::decodePDU($msg, $this->_presentation_contexts);
$pdvs = $pdu->getPDVs();
$msg_types = array();
$msg_classes = array();
foreach ($pdvs as $pdv) {
$msg = $pdv->getMessage();
$msg_types[] = $msg->type;
$msg_classes[] = get_class($msg);
}
if ($msg_types[0] == "C-Find-RQ" || $msg_types[0] == "C-Echo-RQ") {
if (!$this->_requests) {
$this->_requests = array();
}
$this->_requests[] = $pdu;
} elseif ($msg_types[0] == "C-Echo-RSP" || $msg_types[0] == "C-Find-RSP") {
if (!$this->_responses) {
$this->_responses = array();
}
$this->_responses[] = $pdu;
} elseif ($msg_types[0] == "Datas") {
if ($this->_responses) {
$this->_responses[] = $pdu;
} else {
$this->_requests[] = $pdu;
}
}
foreach ($this->getFamily() as $_family) {
$family_class = new $_family();
$events = $family_class->getEvenements();
if (array_key_exists($msg_types[0], $events)) {
$this->_family_message_class = $_family;
$this->_family_message = $msg_classes[0];
$this->message_valide = 1;
return true;
}
}
return false;
}
