/**
* Set configuration for a specific role instance
*
* @param string $roleInstance Role instance name, can be found in $_SERVER['RdRoleId'] when hosted on Windows Azure.
* @param Microsoft_WindowsAzure_Diagnostics_ConfigurationInstance $configuration Configuration to apply
* @throws Microsoft_WindowsAzure_Diagnostics_Exception
*/
public function setConfigurationForRoleInstance($roleInstance = null, Microsoft_WindowsAzure_Diagnostics_ConfigurationInstance $configuration)
{
if (is_null($roleInstance)) {
throw new Microsoft_WindowsAzure_Diagnostics_Exception('Role instance should be specified. Try reading $_SERVER[\'RdRoleId\'] for this information if the application is hosted on Windows Azure Fabric or Development Fabric.');
}
$this->_blobStorageClient->putBlobData($this->_controlContainer, $roleInstance, $configuration->toXml(), array(), null, array('Content-Type' => 'text/xml'));
}
/**
* @see FileBackend::doCreateInternal()
*/
function doCreateInternal( array $params ) {
$status = Status::newGood();
list( $dstCont, $dstRel ) = $this->resolveStoragePath( $params['dst'] );
if ( $dstRel === null ) {
$status->fatal( 'backend-fail-invalidpath', $params['dst'] );
return $status;
}
// (a) Check if the destination object already exists
$blobExists = $this->storageClient->blobExists( $dstCont, $dstRel );
if ( $blobExists && empty( $params['overwriteDest'] ) ) { //Blob exists _and_ should not be overridden
$status->fatal( 'backend-fail-alreadyexists', $params['dst'] );
return $status;
}
// (b) Actually create the object
try {
// TODO: how do I know the container exists? Should we call prepare?
$this->storageClient->putBlobData( $dstCont, $dstRel, $params['content'] );
}
catch ( Exception $e ) {
$status->fatal( 'backend-fail-internal' );
}
return $status;
}
/**
* Write a specific session
*
* @param int $id Session Id
* @param string $serializedData Serialized PHP object
* @throws Exception
*/
public function write($id, $serializedData)
{
// Encode data
$serializedData = base64_encode(serialize($serializedData));
if (strlen($serializedData) >= self::MAX_TS_PROPERTY_SIZE && $this->_storageType == self::STORAGE_TYPE_TABLE) {
throw new Microsoft_WindowsAzure_Exception('Session data exceeds the maximum allowed size of ' . self::MAX_TS_PROPERTY_SIZE . ' bytes that can be stored using table storage. Consider switching to a blob storage back-end or try reducing session data size.');
}
// Store data
if ($this->_storageType == self::STORAGE_TYPE_TABLE) {
// In table storage
$sessionRecord = new Microsoft_WindowsAzure_Storage_DynamicTableEntity($this->_sessionContainerPartition, $id);
$sessionRecord->sessionExpires = time();
$sessionRecord->serializedData = $serializedData;
$sessionRecord->setAzurePropertyType('sessionExpires', 'Edm.Int32');
try {
$this->_storage->updateEntity($this->_sessionContainer, $sessionRecord);
} catch (Microsoft_WindowsAzure_Exception $unknownRecord) {
$this->_storage->insertEntity($this->_sessionContainer, $sessionRecord);
}
} else {
if ($this->_storageType == self::STORAGE_TYPE_BLOB) {
// In blob storage
$this->_storage->putBlobData($this->_sessionContainer, $this->_sessionContainerPartition . '/' . $id, $serializedData, array('sessionexpires' => time()));
}
}
}
/**
* Tests S3
*
* @param string $error
* @return boolean
*/
function test(&$error)
{
if (!parent::test($error)) {
return false;
}
$string = 'test_azure_' . md5(time());
if (!$this->_init($error)) {
return false;
}
try {
$containers = $this->_client->listContainers();
} catch (Exception $exception) {
$error = sprintf('Unable to list containers (%s).', $exception->getMessage());
return false;
}
$container = null;
foreach ((array) $containers as $_container) {
if ($_container->Name == $this->_config['container']) {
$container = $_container;
break;
}
}
if (!$container) {
$error = sprintf('Container doesn\'t exist: %s.', $this->_config['container']);
return false;
}
try {
$this->_client->putBlobData($this->_config['container'], $string, $string);
} catch (Exception $exception) {
$error = sprintf('Unable to put blob data (%s).', $exception->getMessage());
return false;
}
try {
$data = $this->_client->getBlobData($this->_config['container'], $string);
} catch (Exception $exception) {
$error = sprintf('Unable to get blob data (%s).', $exception->getMessage());
return false;
}
if ($data != $string) {
try {
$this->_client->deleteBlob($this->_config['container'], $string);
} catch (Exception $exception) {
}
$error = 'Blob datas are not equal.';
return false;
}
try {
$this->_client->deleteBlob($this->_config['container'], $string);
} catch (Exception $exception) {
$error = sprintf('Unable to delete blob (%s).', $exception->getMessage());
return false;
}
return true;
}
/**
* @see FileBackend::doCreateInternal()
*/
function doCreateInternal(array $params)
{
$status = Status::newGood();
list($dstCont, $dstRel) = $this->resolveStoragePath($params['dst']);
if ($dstRel === null) {
$status->fatal('backend-fail-invalidpath', $params['dst']);
return $status;
}
if (empty($params['overwrite'])) {
//Blob should not be overridden
// Check if the destination object already exists
if ($this->storageClient->blobExists($dstCont, $dstRel)) {
$status->fatal('backend-fail-alreadyexists', $params['dst']);
return $status;
}
}
// Actually create the object
try {
$this->storageClient->putBlobData($dstCont, $dstRel, $params['content']);
} catch (Exception $e) {
$status->fatal('backend-fail-internal');
}
return $status;
}
