public function handleMultiRequest()
{
$listOfRequests = array();
$results = array();
$found = true;
$i = 1;
while ($found) {
$currentService = isset($this->params[$i . ":service"]) ? $this->params[$i . ":service"] : null;
$currentAction = isset($this->params[$i . ":action"]) ? $this->params[$i . ":action"] : null;
$found = $currentAction && $currentService;
if ($found) {
$listOfRequests[$i]["service"] = $currentService;
$listOfRequests[$i]["action"] = $currentAction;
// find all the parameters for this request
foreach ($this->params as $key => $val) {
// the key "1:myparam" mean that we should input value of this key to request "1", for param "myparam"
$keyArray = explode(":", $key);
if ($keyArray[0] == $i) {
array_shift($keyArray);
// remove the request number
$requestKey = implode(":", $keyArray);
/* remarked by Dor - 13/10/2010
* There is no need to remove service and action from the params in case of multirequest
* while they are needed in KalturaResponseCacher
if (in_array($requestKey, array("service", "action"))) // don't add service name and action name to the params
continue;
*/
$listOfRequests[$i]["params"][$requestKey] = $val;
// store the param
}
}
// clientTag param might be used in KalturaResponseCacher
if (isset($this->params['clientTag']) && !isset($listOfRequests[$i]["params"]['clientTag'])) {
$listOfRequests[$i]["params"]['clientTag'] = $this->params['clientTag'];
}
// if ks is not set for a specific request, copy the ks from the top params
$currentKs = isset($listOfRequests[$i]["params"]["ks"]) ? $listOfRequests[$i]["params"]["ks"] : null;
if (!$currentKs) {
$mainKs = isset($this->params["ks"]) ? $this->params["ks"] : null;
if ($mainKs) {
$listOfRequests[$i]["params"]["ks"] = $mainKs;
}
}
$currentPartner = isset($listOfRequests[$i]["params"]["partnerId"]) ? $listOfRequests[$i]["params"]["partnerId"] : null;
if (!$currentPartner) {
$mainPartner = isset($this->params["partnerId"]) ? $this->params["partnerId"] : null;
if ($mainPartner) {
$listOfRequests[$i]["params"]["partnerId"] = $mainPartner;
}
}
$i++;
} else {
// will break the loop
}
}
$i = 1;
foreach ($listOfRequests as $currentRequest) {
$currentService = $currentRequest["service"];
$currentAction = $currentRequest["action"];
$currentParams = $currentRequest["params"];
// check if we need to replace params with prev results
foreach ($currentParams as $key => &$val) {
$matches = array();
// keywords: multirequest, result, depend, pass
// figuring out if requested params should be extracted from previous result
// example: if you want to use KalturaPlaylist->playlistContent result from the first request
// in your second request, the second request will contain the following value:
// {1:result:playlistContent}
if (preg_match('/\\{([0-9]*)\\:result\\:?(.*)?\\}/', $val, $matches)) {
$resultIndex = $matches[1];
$resultKey = $matches[2];
if (count($results) >= $resultIndex) {
if (strlen(trim($resultKey)) > 0) {
$resultPathArray = explode(":", $resultKey);
} else {
$resultPathArray = array();
}
$val = $this->getValueFromObject($results[$resultIndex], $resultPathArray);
}
}
}
try {
// cached parameters should be different when the request is part of a multirequest
// as part of multirequest - the cached data is a serialized php object
// when not part of multirequest - the cached data is the actual response
$currentParams['multirequest'] = true;
unset($currentParams['format']);
$cache = new KalturaResponseCacher($currentParams);
if (!isset($currentParams['ks']) && kCurrentContext::$ks) {
$cache->setKS(kCurrentContext::$ks);
}
$cachedResult = $cache->checkCache('X-Kaltura-Part-Of-MultiRequest');
if ($cachedResult) {
$currentResult = unserialize($cachedResult);
} else {
$currentResult = $this->dispatcher->dispatch($currentService, $currentAction, $currentParams);
// store serialized resposne in cache
$cache->storeCache(serialize($currentResult));
}
} catch (Exception $ex) {
$currentResult = $this->getExceptionObject($ex);
KalturaResponseCacher::disableCache();
}
$results[$i] = $currentResult;
$i++;
}
return $results;
}
public function handleMultiRequest()
{
// arrange the parameters by request index
$commonParams = array();
$listOfRequests = array();
$requestStartIndex = 1;
$requestEndIndex = 1;
foreach ($this->params as $paramName => $paramValue) {
if (is_numeric($paramName)) {
$paramName = intval($paramName);
$requestStartIndex = min($requestStartIndex, $paramName);
$requestEndIndex = max($requestEndIndex, $paramName);
$listOfRequests[$paramName] = $paramValue;
continue;
}
$explodedName = explode(':', $paramName, 2);
if (count($explodedName) <= 1 || !is_numeric($explodedName[0])) {
$commonParams[$paramName] = $paramValue;
continue;
}
$requestIndex = (int) $explodedName[0];
$requestStartIndex = min($requestStartIndex, $requestIndex);
$requestEndIndex = max($requestEndIndex, $requestIndex);
$paramName = $explodedName[1];
if (!array_key_exists($requestIndex, $listOfRequests)) {
$listOfRequests[$requestIndex] = array();
}
$listOfRequests[$requestIndex][$paramName] = $paramValue;
}
$multiRequestResultsPaths = $this->getMultiRequestResultsPaths($listOfRequests);
// process the requests
$results = array();
kCurrentContext::$multiRequest_index = 0;
for ($i = $requestStartIndex; $i <= $requestEndIndex; $i++) {
$currentParams = $listOfRequests[$i];
if (!isset($currentParams["service"]) || !isset($currentParams["action"])) {
break;
}
kCurrentContext::$multiRequest_index++;
$currentService = $currentParams["service"];
$currentAction = $currentParams["action"];
// copy derived common params to current params
if (isset($commonParams['clientTag']) && !isset($currentParams['clientTag'])) {
$currentParams['clientTag'] = $commonParams['clientTag'];
}
if (isset($commonParams['ks']) && !isset($currentParams['ks'])) {
$currentParams['ks'] = $commonParams['ks'];
}
if (isset($commonParams['partnerId']) && !isset($currentParams['partnerId'])) {
$currentParams['partnerId'] = $commonParams['partnerId'];
}
// cached parameters should be different when the request is part of a multirequest
// as part of multirequest - the cached data is a serialized php object
// when not part of multirequest - the cached data is the actual response
$currentParams['multirequest'] = true;
unset($currentParams['format']);
$cache = new KalturaResponseCacher($currentParams);
$success = true;
$errorCode = null;
$this->onRequestStart($currentService, $currentAction, $currentParams, kCurrentContext::$multiRequest_index, true);
$cachedResult = $cache->checkCache('X-Kaltura-Part-Of-MultiRequest');
if ($cachedResult) {
$currentResult = unserialize($cachedResult);
} else {
if (kCurrentContext::$multiRequest_index != 1) {
kMemoryManager::clearMemory();
KalturaCriterion::clearTags();
}
try {
$currentResult = $this->dispatcher->dispatch($currentService, $currentAction, $currentParams);
} catch (Exception $ex) {
$success = false;
$errorCode = $ex->getCode();
$currentResult = $this->getExceptionObject($ex, $currentService, $currentAction);
}
$cache->storeCache($currentResult, "", true);
}
$this->onRequestEnd($success, $errorCode, kCurrentContext::$multiRequest_index);
for ($nextMultiRequestIndex = $i + 1; $nextMultiRequestIndex <= count($listOfRequests); $nextMultiRequestIndex++) {
if (isset($multiRequestResultsPaths[$nextMultiRequestIndex])) {
$listOfRequests[$nextMultiRequestIndex] = $this->replaceMultiRequestResults(kCurrentContext::$multiRequest_index, $multiRequestResultsPaths[$nextMultiRequestIndex], $listOfRequests[$nextMultiRequestIndex], $currentResult);
}
}
$results[kCurrentContext::$multiRequest_index] = $this->serializer->serialize($currentResult);
// in case a serve action is included in a multirequest, return only the result of the serve action
// in order to avoid serializing the kRendererBase object and returning the internal server paths to the client
if ($currentResult instanceof kRendererBase) {
return $currentResult;
}
}
return $results;
}
public function handleMultiRequest()
{
// arrange the parameters by request index
$commonParams = array();
$listOfRequests = array();
$dependencies = array();
$allDependencies = array();
$pastResults = array();
foreach ($this->params as $paramName => $paramValue) {
$explodedName = explode(':', $paramName, 2);
if (count($explodedName) <= 1 || !is_numeric($explodedName[0])) {
$commonParams[$paramName] = $paramValue;
continue;
}
$requestIndex = (int) $explodedName[0];
$paramName = $explodedName[1];
if (!array_key_exists($requestIndex, $listOfRequests)) {
$listOfRequests[$requestIndex] = array();
}
$listOfRequests[$requestIndex][$paramName] = $paramValue;
$matches = array();
if (preg_match('/\\{([0-9]*)\\:result\\:?(.*)?\\}/', $paramValue, $matches)) {
$pastResultsIndex = $matches[0];
$resultIndex = $matches[1];
$resultKey = $matches[2];
if (!isset($dependencies[$requestIndex][$pastResultsIndex])) {
$dependencies[$resultIndex][$pastResultsIndex] = $resultKey;
}
$allDependencies[$pastResultsIndex] = true;
}
}
// process the requests
$results = array();
for ($i = 1; isset($listOfRequests[$i]); $i++) {
$currentParams = $listOfRequests[$i];
if (!isset($currentParams["service"]) || !isset($currentParams["action"])) {
break;
}
kCurrentContext::$multiRequest_index = $i;
$currentService = $currentParams["service"];
$currentAction = $currentParams["action"];
// copy derived common params to current params
if (isset($commonParams['clientTag']) && !isset($currentParams['clientTag'])) {
$currentParams['clientTag'] = $commonParams['clientTag'];
}
if (isset($commonParams['ks']) && !isset($currentParams['ks'])) {
$currentParams['ks'] = $commonParams['ks'];
}
if (isset($commonParams['partnerId']) && !isset($currentParams['partnerId'])) {
$currentParams['partnerId'] = $commonParams['partnerId'];
}
// check if we need to replace params with prev results
foreach ($currentParams as $key => &$val) {
if (isset($pastResults[$val])) {
$val = $pastResults[$val];
} else {
if (isset($allDependencies[$val])) {
$val = null;
}
}
}
// cached parameters should be different when the request is part of a multirequest
// as part of multirequest - the cached data is a serialized php object
// when not part of multirequest - the cached data is the actual response
$currentParams['multirequest'] = true;
unset($currentParams['format']);
$cache = new KalturaResponseCacher($currentParams);
$success = true;
$errorCode = null;
$this->onRequestStart($currentService, $currentAction, $currentParams, $i, true);
$cachedResult = $cache->checkCache('X-Kaltura-Part-Of-MultiRequest');
if ($cachedResult) {
$currentResult = unserialize($cachedResult);
} else {
if ($i != 1) {
kMemoryManager::clearMemory();
KalturaCriterion::clearTags();
}
try {
$currentResult = $this->dispatcher->dispatch($currentService, $currentAction, $currentParams);
} catch (Exception $ex) {
$success = false;
$errorCode = $ex->getCode();
$currentResult = $this->getExceptionObject($ex, $currentService, $currentAction);
}
$cache->storeCache($currentResult, "", true);
}
$this->onRequestEnd($success, $errorCode, $i);
if (isset($dependencies[$i])) {
foreach ($dependencies[$i] as $currentDependency => $dependencyName) {
if (strlen(trim($dependencyName)) > 0) {
$resultPathArray = explode(":", $dependencyName);
} else {
$resultPathArray = array();
}
$currValue = $this->getValueFromObject($currentResult, $resultPathArray);
$pastResults[$currentDependency] = $currValue;
}
}
$results[$i] = $this->serializer->serialize($currentResult);
// in case a serve action is included in a multirequest, return only the result of the serve action
// in order to avoid serializing the kRendererBase object and returning the internal server paths to the client
if ($currentResult instanceof kRendererBase) {
return $currentResult;
}
}
return $results;
}
