/**
* Perform request using Microsoft_Http_Transport channel
*
* @param string $path Path
* @param string $queryString Query string
* @param string $httpVerb HTTP verb the request will use
* @param array $headers x-ms headers to add
* @param boolean $forTableStorage Is the request for table storage?
* @param mixed $rawData Optional RAW HTTP data to be sent over the wire
* @param string $resourceType Resource type
* @param string $requiredPermission Required permission
* @return Microsoft_Http_Response
*/
protected function performRequest($path = '/', $queryString = '', $httpVerb = Microsoft_Http_Transport::VERB_GET, $headers = array(), $forTableStorage = false, $rawData = null, $resourceType = Microsoft_WindowsAzure_Storage::RESOURCE_UNKNOWN, $requiredPermission = Microsoft_WindowsAzure_Credentials::PERMISSION_READ)
{
// Clean path
if (strpos($path, '/') !== 0) {
$path = '/' . $path;
}
// Clean headers
if (is_null($headers)) {
$headers = array();
}
// Add version header
$headers['x-ms-version'] = $this->_apiVersion;
// URL encoding
$path = self::urlencode($path);
$queryString = self::urlencode($queryString);
// Generate URL and sign request
$requestUrl = $this->_credentials->signRequestUrl($this->getBaseUrl() . $path . $queryString, $resourceType, $requiredPermission);
$requestHeaders = $this->_credentials->signRequestHeaders($httpVerb, $path, $queryString, $headers, $forTableStorage, $resourceType, $requiredPermission);
$requestClient = Microsoft_Http_Transport::createChannel();
if ($this->_useProxy) {
$requestClient->setProxy($this->_useProxy, $this->_proxyUrl, $this->_proxyPort, $this->_proxyCredentials);
}
$response = $this->_retryPolicy->execute(array($requestClient, 'request'), array($httpVerb, $requestUrl, array(), $requestHeaders, $rawData));
$requestClient = null;
unset($requestClient);
return $response;
}
/**
* Perform batch using Microsoft_Http_Transport channel, combining all batch operations into one request
*
* @param array $operations Operations in batch
* @param boolean $forTableStorage Is the request for table storage?
* @param boolean $isSingleSelect Is the request a single select statement?
* @param string $resourceType Resource type
* @param string $requiredPermission Required permission
* @return Microsoft_Http_Response
*/
public function performBatch($operations = array(), $forTableStorage = false, $isSingleSelect = false, $resourceType = Microsoft_WindowsAzure_Storage::RESOURCE_UNKNOWN, $requiredPermission = Microsoft_WindowsAzure_Credentials::PERMISSION_READ)
{
// Generate boundaries
$batchBoundary = 'batch_' . md5(time() . microtime());
$changesetBoundary = 'changeset_' . md5(time() . microtime());
// Set headers
$headers = array();
// Add version header
$headers['x-ms-version'] = $this->_apiVersion;
// Add content-type header
$headers['Content-Type'] = 'multipart/mixed; boundary=' . $batchBoundary;
// Set path and query string
$path = '/$batch';
$queryString = '';
// Set verb
$httpVerb = Microsoft_Http_Transport::VERB_POST;
// Generate raw data
$rawData = '';
// Single select?
if ($isSingleSelect) {
$operation = $operations[0];
$rawData .= '--' . $batchBoundary . "\n";
$rawData .= 'Content-Type: application/http' . "\n";
$rawData .= 'Content-Transfer-Encoding: binary' . "\n\n";
$rawData .= $operation;
$rawData .= '--' . $batchBoundary . '--';
} else {
$rawData .= '--' . $batchBoundary . "\n";
$rawData .= 'Content-Type: multipart/mixed; boundary=' . $changesetBoundary . "\n\n";
// Add operations
foreach ($operations as $operation) {
$rawData .= '--' . $changesetBoundary . "\n";
$rawData .= 'Content-Type: application/http' . "\n";
$rawData .= 'Content-Transfer-Encoding: binary' . "\n\n";
$rawData .= $operation;
}
$rawData .= '--' . $changesetBoundary . '--' . "\n";
$rawData .= '--' . $batchBoundary . '--';
}
// Generate URL and sign request
$requestUrl = $this->_credentials->signRequestUrl($this->getBaseUrl() . $path . $queryString, $resourceType, $requiredPermission);
$requestHeaders = $this->_credentials->signRequestHeaders($httpVerb, $path, $queryString, $headers, $forTableStorage, $resourceType, $requiredPermission);
$requestClient = Microsoft_Http_Transport::createChannel();
if ($this->_useProxy) {
$requestClient->setProxy($this->_useProxy, $this->_proxyUrl, $this->_proxyPort, $this->_proxyCredentials);
}
$response = $this->_retryPolicy->execute(array($requestClient, 'request'), array($httpVerb, $requestUrl, array(), $requestHeaders, $rawData));
$requestClient = null;
unset($requestClient);
return $response;
}