/**
* Prepare the datas for creating a A-Associate-AC PDU
*
* @param CDicomPDUAAssociateRQ $associate_rq The A-Associate-RQ PDU
*
* @return array
*
* @todo handle the user info sub items
*/
protected function prepareAAssociateACPDU(CDicomPDUAAssociateRQ $associate_rq)
{
$datas = array("protocol_version" => 1, "called_AEtitle" => $associate_rq->called_AE_title, "calling_AEtitle" => $associate_rq->calling_AE_title, "application_context" => array("name" => $associate_rq->application_context->name), "presentation_contexts" => array(), "user_info" => array("sub_items" => array("CDicomPDUItemMaximumLength" => array("maximum_length" => 32768), "CDicomPDUItemImplementationClassUID" => array("uid" => CAppUI::conf("dicom implementation_sop_class")), "CDicomPDUItemImplementationVersionName" => array("version_name" => CAppUI::conf("dicom implementation_version")))));
foreach ($associate_rq->presentation_contexts as $presentation_context) {
$reason = 0;
if (!CDicomDictionary::isSOPClassSupported($presentation_context->abstract_syntax->name)) {
$reason = 3;
}
$transfer_syntaxes = array();
foreach ($presentation_context->transfer_syntaxes as $_transfer_syntax) {
if (CDicomDictionary::isTransferSyntaxSupported($_transfer_syntax->name)) {
$transfer_syntaxes[] = $_transfer_syntax->name;
}
}
if (in_array("1.2.840.10008.1.2", $transfer_syntaxes)) {
$transfer_syntax = "1.2.840.10008.1.2";
} else {
if (count($transfer_syntaxes) == 0) {
$reason = 4;
}
$transfer_syntax = $transfer_syntaxes[0];
}
$datas["presentation_contexts"][] = array("id" => $presentation_context->id, "reason" => $reason, "transfer_syntax" => array("name" => $transfer_syntax));
}
return $datas;
}
/**
* Calculate the length of the value
*
* @return null
*/
protected function calculateLength()
{
$vr_def = CDicomDictionary::getValueRepresentation($this->vr);
if ($vr_def['Fixed'] == 1) {
$this->length = $vr_def['Length'];
} elseif (is_array($this->value)) {
$this->length = 0;
} else {
$this->length = strlen($this->value);
}
}
