private function processEvent()
{
$dom = $this->dom;
$headerNode = $dom->getElementsByTagName('SIF_Header')->item(0);
$originalMsgId = $headerNode->getElementsByTagName('SIF_MsgId')->item(0)->nodeValue;
$originalSourceId = $headerNode->getElementsByTagName('SIF_SourceId')->item(0)->nodeValue;
$originalTimestamp = $headerNode->getElementsByTagName('SIF_Timestamp')->item(0)->nodeValue;
$validSourceId = Agent::checkSourceId($originalSourceId);
if (!$validSourceId) {
RegisterError::invalidSourceId($agent->sourceId, $originalMsgId);
} else {
$agent = new Agent($originalSourceId);
if ($agent->isRegistered()) {
$eventObjectNode = $dom->getElementsByTagName('SIF_EventObject')->item(0);
$objectName = $eventObjectNode->getAttribute('ObjectName');
$objectAction = $eventObjectNode->getAttribute('Action');
$objectAction = strtolower($objectAction);
if (!DataObject::objectExists($objectName)) {
ProvisionError::invalidObject($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
$allowed = $this->hasPermission($objectName, $objectAction, $agent->agentId);
if ($allowed) {
$provider = DataObject::isProvider($objectName, $agent->agentId);
if ($provider) {
$this->publishEvent($agent->agentId, $objectName, $objectAction, $_SESSION['ZONE_VERSION'], $dom->saveXml($headerNode));
$timestamp = Utility::createTimestamp();
$msgId = Utility::createMessageId();
$sifMessageNode = $dom->getElementsByTagName('SIF_Message')->item(0);
XmlHelper::buildSuccessMessage($msgId, $timestamp, $originalSourceId, $originalMsgId, 0, $originalMsg = null, $desc = null);
} else {
ProvisionError::notProviderError($originalSourceId, $originalMsgId);
}
} else {
switch ($objectAction) {
case 'add':
ProvisionError::invalidPermissionToPublishAdd($originalSourceId, $originalMsgId, $objectName);
break;
case 'change':
ProvisionError::invalidPermissionToPublishChange($originalSourceId, $originalMsgId, $objectName);
break;
case 'delete':
ProvisionError::invalidPermissionToPublishDelete($originalSourceId, $originalMsgId, $objectName);
break;
}
//switch for error message
}
//allowed
}
//object exist
} else {
RegisterError::notRegisteredError($originalSourceId, $originalMsgId);
}
//not registered
}
//valid sourceId
}
public function processAck($m)
{
$dom = $this->dom;
$headerNode = $m->headerNode;
$msgId = $m->msgId;
$agentSourceId = $m->sourceId;
# $msgId = $headerNode->getElementsByTagName('SIF_MsgId')->item(0)->nodeValue;
# $agentSourceId = $headerNode->getElementsByTagName('SIF_SourceId')->item(0)->nodeValue;
$originalMsgId = $dom->getElementsByTagName('SIF_OriginalMsgId')->item(0)->nodeValue;
$timestamp = $headerNode->getElementsByTagName('SIF_Timestamp')->item(0)->nodeValue;
$status = $dom->getElementsByTagName('SIF_Status');
$status = $status->item(0)->nodeValue;
$validSourceId = Agent::checkSourceId($agentSourceId);
if (!$validSourceId) {
RegisterError::invalidSourceId($agentSourceId, $msgId);
} else {
$agent = new Agent($agentSourceId);
if ($agent->isRegistered()) {
if ($status == 1) {
$agent->unFreezeAgent();
$this->updateMessageQueue($agent, $originalMsgId, $msgId);
} else {
if ($status == 3) {
//done processing
if ($originalMsgId == $agent->frozenMsgId) {
$agent->unFreezeAgent();
$this->updateMessageQueue($agent, $originalMsgId, $msgId);
} else {
GeneralError::EventACKError($this->xml);
}
} else {
if ($status == 2) {
//Intermediate wait for final
$agent->freezeAgent();
$agent->setFrozenMsgId($originalMsgId);
$timestamp = Utility::createTimestamp();
$msgId_u = Utility::createMessageId();
XmlHelper::buildSuccessMessage($msgId_u, $timestamp, $agent->sourceId, $msgId, 0, $originalMsg = null, $desc = null);
}
}
}
} else {
RegisterError::notRegisteredError($agentSourceId, $msgId);
}
}
}
private function processProvision()
{
$dom = $this->dom;
$headerNode = $dom->getElementsByTagName('SIF_Header')->item(0);
$this->originalMsgId = $headerNode->getElementsByTagName('SIF_MsgId')->item(0)->nodeValue;
$this->originalSourceId = $headerNode->getElementsByTagName('SIF_SourceId')->item(0)->nodeValue;
$this->originalTimestamp = $headerNode->getElementsByTagName('SIF_Timestamp')->item(0)->nodeValue;
$validSourceId = Agent::checkSourceId($this->originalSourceId);
if (!$validSourceId) {
ProvisionError::invalidSourceId($this->originalSourceId, $this->originalMsgId);
if (CODELEVEL != 3) {
exit;
} else {
return false;
}
} else {
$this->agent = new Agent($this->originalSourceId);
if (!$this->agent->isRegistered()) {
RegisterError::notRegisteredError($this->originalSourceId, $this->originalMsgId);
} else {
$provideObjectNode = $dom->getElementsByTagName('SIF_ProvideObjects')->item(0);
$this->processProvideObjects($provideObjectNode);
$subscribeObjectNode = $dom->getElementsByTagName('SIF_SubscribeObjects')->item(0);
$this->processSubscribeObjects($subscribeObjectNode);
$publishAddObjectNode = $dom->getElementsByTagName('SIF_PublishAddObjects')->item(0);
$this->processPublishAddObjects($publishAddObjectNode);
$publishChangeObjectNode = $dom->getElementsByTagName('SIF_PublishChangeObjects')->item(0);
$this->processPublishChangeObjects($publishChangeObjectNode);
$publishDeleteObjectNode = $dom->getElementsByTagName('SIF_PublishDeleteObjects')->item(0);
$this->processPublishDeleteObjects($publishDeleteObjectNode);
$requestObjectNode = $dom->getElementsByTagName('SIF_RequestObjects')->item(0);
$this->processRequestObjects($requestObjectNode);
$respondObjectNode = $dom->getElementsByTagName('SIF_RespondObjects')->item(0);
$this->processRespondObjects($respondObjectNode);
$this->saveProvisions();
$timestamp = Utility::createTimestamp();
$msgId = Utility::createMessageId();
$sifMessageNode = $dom->getElementsByTagName('SIF_Message')->item(0);
XmlHelper::buildSuccessMessage($msgId, $timestamp, $this->originalSourceId, $this->originalMsgId, 0, $originalMsg = null, $desc = null);
}
}
}
public function processUnregistration()
{
$dom = $this->xmlDom;
$headerNode = $dom->getElementsByTagName('SIF_Header')->item(0);
$originalMsgId = $headerNode->getElementsByTagName('SIF_MsgId')->item(0)->nodeValue;
$originalSourceId = $headerNode->getElementsByTagName('SIF_SourceId')->item(0)->nodeValue;
$originalTimestamp = $headerNode->getElementsByTagName('SIF_Timestamp')->item(0)->nodeValue;
$validSourceId = Agent::checkSourceId($originalSourceId);
if (!$validSourceId) {
RegisterError::invalidSourceId($agent->sourceId, $originalMsgId);
} else {
$agent = new Agent($originalSourceId);
if ($agent->isRegistered()) {
if ($agent->unRegister()) {
XmlHelper::buildSuccessMessage(Utility::createMessageId(), Utility::createTimestamp(), $agent->sourceId, $originalMsgId, 0);
} else {
RegisterError::genericError($agent->sourceId, $originalMsgId);
}
} else {
RegisterError::notRegisteredError($originalSourceId, $originalMsgId);
}
}
}
private function processRequest($m)
{
$dom = $m->dom;
$this->originalSourceId = $m->sourceId;
$originalSourceId = $m->sourceId;
$this->originalMsgId = $m->msgId;
$originalMsgId = $m->msgId;
$headerNode = $m->headerNode;
$this->headerNode = $headerNode;
$validSourceId = Agent::checkSourceId($originalSourceId);
if (!$validSourceId) {
RegisterError::invalidSourceId($agent->sourceId, $originalMsgId);
exit;
} else {
$agent = new Agent($originalSourceId);
if (!$agent->isRegistered()) {
RegisterError::notRegisteredError($originalSourceId, $originalMsgId);
exit;
} else {
$sentBufferSize = $dom->getElementsByTagName('SIF_MaxBufferSize')->item(0)->nodeValue;
if (!Agent::bufferSizeAllowed($sentBufferSize, $agent->agentId)) {
$timestamp = Utility::createTimestamp();
$msgId = Utility::createMessageId();
XmlHelper::buildSuccessMessage($msgId, $timestamp, $this->originalSourceId, $this->originalMsgId, 0, $originalMsg = null, $desc = null);
} else {
$messageNode = $dom->getElementsByTagName('SIF_Message');
$len = $messageNode->item(0)->childNodes->item(0)->childNodes->length - 1;
$Mode = $messageNode->item(0)->childNodes->item(0)->childNodes->item($len)->nodeName;
if ($Mode == 'SIF_Query') {
$sifObjectNode = $dom->getElementsByTagName('SIF_QueryObject')->item(0);
$objectName = $sifObjectNode->getAttribute('ObjectName');
} else {
$sifObjectNode = $dom->getElementsByTagName('SIF_From')->item(0);
$objectName = $sifObjectNode->getAttribute('ObjectName');
}
if (!DataObject::objectExists($objectName)) {
RequestError::invalidObject($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
if (!DataObject::allowedToRequest($agent->agentId, $objectName)) {
ProvisionError::invalidPermissionToRequest($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
$sifDestinationId = $dom->getElementsByTagName('SIF_DestinationId');
if ($sifDestinationId->length != 0) {
$sourceId = $sifDestinationId->item(0)->nodeValue;
if (!DataObject::validResponder($objectName, $sourceId)) {
RequestError::invalidProvider($originalSourceId, $originalMsgId);
} else {
$this->setupRequest($objectName, $sourceId, $agent);
}
//check if destination id is valid
} else {
$this->setupRequest($objectName, $sourceId = null, $agent);
}
//check if there is a destination id
}
//check if allowed to request
}
//check if allowed to request
}
//check object exist
}
//check if registered
}
//check sourceId
}
private function processSubscribe()
{
$dom = $this->dom;
$headerNode = $dom->getElementsByTagName('SIF_Header')->item(0);
$originalMsgId = $headerNode->getElementsByTagName('SIF_MsgId')->item(0)->nodeValue;
$originalSourceId = $headerNode->getElementsByTagName('SIF_SourceId')->item(0)->nodeValue;
if ($headerNode->getElementsByTagName('SIF_Timestamp')->item(0)) {
$originalTimestamp = $headerNode->getElementsByTagName('SIF_Timestamp')->item(0)->nodeValue;
} else {
$originalTimestamp = Utility::createTimestamp();
}
$this->originalSourceId = $originalSourceId;
$this->originalMsgId = $originalMsgId;
$validSourceId = Agent::checkSourceId($originalSourceId);
if (!$validSourceId) {
ProvisionError::invalidSourceId($originalSourceId, $originalMsgId);
exit;
} else {
$agent = new Agent($originalSourceId);
$this->agent = $agent;
if (!$this->agent->isRegistered()) {
RegisterError::notRegisteredError($originalSourceId, $originalMsgId);
exit;
} else {
$objects = $dom->getElementsByTagName('SIF_Object');
foreach ($objects as $object) {
$objectName = $object->getAttribute('ObjectName');
$contexts = $object->getElementsByTagName('SIF_Context');
if (!DataObject::objectExists($objectName)) {
ProvisionError::invalidObject($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
if ($contexts->length != 0) {
foreach ($contexts as $context) {
if (Context::isValidContext($context->nodeValue)) {
$contextId = Context::getContextId($context->nodeValue);
if (!DataObject::allowedToSubscribe($agent->agentId, $objectName, $contextId)) {
ProvisionError::invalidPermissionToSubscribe($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
$dataObject = new DataObject($objectName);
$dataObject->contextId = $contextId;
array_push($this->subscribeObjects, $dataObject);
}
//check if allowed to subscribe
} else {
ProvisionError::contextNotSupportedError($originalSourceId, $originalMsgId);
exit;
}
}
//loop through contexts
} else {
if (!DataObject::allowedToSubscribe($agent->agentId, $objectName)) {
ProvisionError::invalidPermissionToSubscribe($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
$dataObject = new DataObject($objectName);
array_push($this->subscribeObjects, $dataObject);
}
//check if allowed to subscribe
}
// check if there are contexts
}
//check if object is valid
}
//loop through objects
}
//check if registered
}
//check sourceId
}
private function processSleep()
{
$dom = $this->xmlDom;
$headerNode = $dom->getElementsByTagName('SIF_Header')->item(0);
$originalMsgId = $headerNode->getElementsByTagName('SIF_MsgId')->item(0)->nodeValue;
$originalSourceId = $headerNode->getElementsByTagName('SIF_SourceId')->item(0)->nodeValue;
//$originalTimestamp = $headerNode->getElementsByTagName('SIF_Timestamp')->item(0)->nodeValue;
$validSourceId = Agent::checkSourceId($originalSourceId);
if (!$validSourceId) {
RegisterError::invalidSourceId($originalSourceId, $originalMsgId);
} else {
$agent = new Agent($originalSourceId);
if (!$agent->isRegistered()) {
RegisterError::notRegisteredError($originalSourceId, $originalMsgId);
} else {
$agent->putToSleep();
$timestamp = Utility::createTimestamp();
$msgId = Utility::createMessageId();
XmlHelper::buildSuccessMessage($msgId, $timestamp, $originalSourceId, $originalMsgId, 0, $originalMsg = null, $desc = null);
}
}
}
private function processResponse($m)
{
$dom = $m->dom;
$headerNode = $m->headerNode;
$originalMsgId = $m->msgId;
$this->originalMsgId = $m->msgId;
$originalSourceId = $m->sourceId;
$version = $m->version;
$this->originalSourceId = $originalSourceId;
$this->originalMsgId = $originalMsgId;
$validSourceId = Agent::checkSourceId($originalSourceId);
if (!$validSourceId) {
RegisterError::invalidSourceId($agent->sourceId, $originalMsgId);
exit;
} else {
$agent = new Agent($originalSourceId);
if (!$agent->isRegistered()) {
RegisterError::notRegisteredError($originalSourceId, $originalMsgId);
exit;
} else {
$msgId = $dom->getElementsByTagName('SIF_RequestMsgId')->item(0)->nodeValue;
if (!RequestObject::validRequestMsgId($msgId)) {
RequestError::invalidMsgId($originalSourceId, $originalMsgId);
} else {
$requestObject = new RequestObject($msgId);
$sifResponseNode = $dom->getElementsByTagName('SIF_Response')->item(0);
$size = strlen($dom->saveXML($sifResponseNode));
if (!$requestObject->compareBufferSize($size)) {
$categoryCode = "8";
$sifCode = "11";
$shortDesc = "Response Error";
$longDesc = "SIF_Response is larger than requested SIF_MaxBufferSize";
$this->createResponseError($agent, $msgId, $categoryCode, $sifCode, $shortDesc, $longDesc);
SifLogEntry::CreateSifLogEvents($dom->saveXml($headerNode), 4, 2, 'Invalid buffersize for response to agent ' . $agent->sourceId . ' request');
RequestError::invalidBufferSize($originalSourceId, $originalMsgId);
} else {
$destinationId = $dom->getElementsByTagName('SIF_DestinationId')->item(0)->nodeValue;
if (!$requestObject->compareDestinationId($destinationId)) {
$categoryCode = "8";
$sifCode = "14";
$shortDesc = "Response Error";
$longDesc = "SIF_DestinationId does not match SIF_SourceId from SIF_Request";
$this->createResponseError($agent, $msgId, $categoryCode, $sifCode, $shortDesc, $longDesc);
SifLogEntry::CreateSifLogEvents($dom->saveXml($headerNode), 4, 1, 'Invalid destinationId for response to agent ' . $agent->sourceId . ' request');
RequestError::invalidDestination($originalSourceId, $originalMsgId);
} else {
if (RequestObject::validMessageVersion($msgId, $version)) {
if (ResponseObject::responseExist($msgId)) {
$responseObject = new ResponseObject($msgId);
$packetNum = $dom->getElementsByTagName('SIF_PacketNumber')->item(0)->nodeValue;
if ($packetNum != $responseObject->nextPacketNum) {
$categoryCode = "8";
$sifCode = "12";
$shortDesc = "SIF_PacketNumber is invalid in SIF_Response";
$longDesc = 'Invalid packet number of ' . $packetNum . ' was expecting ' . $responseObject->nextPacketNum . 'for response to agent ' . $agent->sourceId . ' request';
//$this->createResponseError($agent, $msgId, $categoryCode, $sifCode, $shortDesc, $longDesc);
RequestError::invalidPacketNum($originalSourceId, $originalMsgId, $longDesc);
} else {
$this->setupResponseOld($agent, $msgId, $responseObject);
}
} else {
$packetNum = $dom->getElementsByTagName('SIF_PacketNumber')->item(0)->nodeValue;
if ($packetNum != 1) {
$categoryCode = "8";
$sifCode = "12";
$shortDesc = "Response Error";
$longDesc = 'Invalid packet number of ' . $packetNum . ' was expecting 1 for response to agent ' . $agent->sourceId . ' request';
RequestError::invalidPacketNum($originalSourceId, $originalMsgId, $longDesc);
} else {
$this->setupResponseNew($agent, $msgId, $m);
}
//check if packetnum is 1
}
//check if response with more packets
} else {
$categoryCode = "8";
$sifCode = "13";
$shortDesc = "Response Error";
$longDesc = "SIF_Response does not match any SIF_Version from SIF_Request.";
$this->createResponseError($agent, $msgId, $categoryCode, $sifCode, $shortDesc, $longDesc);
RequestError::invalidVersion($originalSourceId, $originalMsgId);
}
//check if version is valid
}
// check if valid destination
}
//check if valid buffer
}
//check if valid request message id
}
//check if registered
}
//check sourceId
}
private function processRequest($m)
{
try {
$dom = $m->dom;
$this->originalSourceId = $m->sourceId;
$originalSourceId = $m->sourceId;
$this->originalMsgId = $m->msgId;
$originalMsgId = $m->msgId;
$headerNode = $m->headerNode;
$this->headerNode = $headerNode;
$validSourceId = Agent::checkSourceId($originalSourceId);
if (!$validSourceId) {
RegisterError::invalidSourceId($agent->sourceId, $originalMsgId);
exit;
} else {
$agent = new Agent($originalSourceId);
if (!$agent->isRegistered()) {
RegisterError::notRegisteredError($originalSourceId, $originalMsgId);
exit;
} else {
$sentBufferSize = $dom->getElementsByTagName('SIF_MaxBufferSize')->item(0)->nodeValue;
if (!Agent::bufferSizeAllowed($sentBufferSize, $agent->agentId)) {
$timestamp = Utility::createTimestamp();
$msgId = Utility::createMessageId();
XmlHelper::buildSuccessMessage($msgId, $timestamp, $this->originalSourceId, $this->originalMsgId, 0, $originalMsg = null, $desc = null);
} else {
$messageNode = $dom->getElementsByTagName('SIF_Message');
$len = $messageNode->item(0)->childNodes->item(0)->childNodes->length - 1;
$Mode = $messageNode->item(0)->childNodes->item(0)->childNodes->item($len)->nodeName;
if ($Mode == 'SIF_Query') {
$sifObjectNode = $dom->getElementsByTagName('SIF_QueryObject')->item(0);
$objectName = $sifObjectNode->getAttribute('ObjectName');
} else {
$sifObjectNode = $dom->getElementsByTagName('SIF_From')->item(0);
$objectName = $sifObjectNode->getAttribute('ObjectName');
}
if (!DataObject::objectExists($objectName)) {
/*
This is a temporary fix that needs to be evaluated for correctness.
*/
if ($objectName == 'SIF_ZoneStatus') {
require_once 'main_lib/systemcontrol/SystemControl.php';
$systemControl = new SystemControl($m, false, true);
exit;
}
RequestError::invalidObject($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
if (!DataObject::allowedToRequest($agent->agentId, $objectName)) {
ProvisionError::invalidPermissionToRequest($originalSourceId, $originalMsgId, $objectName);
exit;
} else {
$sifDestinationId = $dom->getElementsByTagName('SIF_DestinationId');
if ($sifDestinationId->length != 0) {
$sourceId = $sifDestinationId->item(0)->nodeValue;
if (!DataObject::validResponder($objectName, $sourceId)) {
RequestError::invalidProvider($originalSourceId, $originalMsgId);
} else {
$this->setupRequest($objectName, $sourceId, $agent);
}
//check if destination id is valid
} else {
$this->setupRequest($objectName, $sourceId = null, $agent);
}
//check if there is a destination id
}
//check if allowed to request
}
//check if allowed to request
}
//check object exist
}
//check if registered
}
//check sourceId
} catch (Exception $e) {
ZitLog::writeToErrorLog("[processRequest]", "Errors:{$e->getTraceAsString}()", "Main Loop", $_SESSION['ZONE_ID']);
}
}
