<?php
/**
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Cloud
* @subpackage QueueService
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
require_once 'Zend/Cloud/QueueService/Adapter/AbstractAdapter.php';
require_once 'Zend/Cloud/QueueService/Exception.php';
require_once 'Zend/Service/WindowsAzure/Storage/Queue.php';
/**
* WindowsAzure adapter for simple queue service.
*
* @category Zend
* @package Zend_Cloud
* @subpackage QueueService
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Cloud_QueueService_Adapter_WindowsAzure
extends Zend_Cloud_QueueService_Adapter_AbstractAdapter
{
/**
* Option array keys for the Windows Azure adapter.
*/
const ACCOUNT_NAME = 'storage_accountname';
const ACCOUNT_KEY = 'storage_accountkey';
const HOST = "storage_host";
const PROXY_HOST = "storage_proxy_host";
const PROXY_PORT = "storage_proxy_port";
const PROXY_CREDENTIALS = "storage_proxy_credentials";
/** list options */
const LIST_PREFIX = 'prefix';
const LIST_MAX_RESULTS = 'max_results';
/** message options */
const MESSAGE_TTL = 'ttl';
const DEFAULT_HOST = Zend_Service_WindowsAzure_Storage::URL_CLOUD_QUEUE;
/**
* Storage client
*
* @var Zend_Service_WindowsAzure_Storage_Queue
*/
protected $_storageClient = null;
/**
* Constructor
*
* @param array|Zend_Config $options
* @return void
*/
public function __construct($options = array())
{
if ($options instanceof Zend_Config) {
$options = $options->toArray();
}
if (!is_array($options)) {
throw new Zend_Cloud_QueueService_Exception('Invalid options provided');
}
if (isset($options[self::MESSAGE_CLASS])) {
$this->setMessageClass($options[self::MESSAGE_CLASS]);
}
if (isset($options[self::MESSAGESET_CLASS])) {
$this->setMessageSetClass($options[self::MESSAGESET_CLASS]);
}
// Build Zend_Service_WindowsAzure_Storage_Blob instance
if (!isset($options[self::HOST])) {
$host = self::DEFAULT_HOST;
} else {
$host = $options[self::HOST];
}
if (! isset($options[self::ACCOUNT_NAME])) {
throw new Zend_Cloud_Storage_Exception('No Windows Azure account name provided.');
}
if (! isset($options[self::ACCOUNT_KEY])) {
throw new Zend_Cloud_Storage_Exception('No Windows Azure account key provided.');
}
try {
// TODO: support $usePathStyleUri and $retryPolicy
$this->_storageClient = new Zend_Service_WindowsAzure_Storage_Queue(
$host, $options[self::ACCOUNT_NAME], $options[self::ACCOUNT_KEY]);
// Parse other options
if (! empty($options[self::PROXY_HOST])) {
$proxyHost = $options[self::PROXY_HOST];
$proxyPort = isset($options[self::PROXY_PORT]) ? $options[self::PROXY_PORT] : 8080;
$proxyCredentials = isset($options[self::PROXY_CREDENTIALS]) ? $options[self::PROXY_CREDENTIALS] : '';
$this->_storageClient->setProxy(true, $proxyHost, $proxyPort, $proxyCredentials);
}
if (isset($options[self::HTTP_ADAPTER])) {
$this->_storageClient->setHttpClientChannel($httpAdapter);
}
} catch(Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on create: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Create a queue. Returns the ID of the created queue (typically the URL).
* It may take some time to create the queue. Check your vendor's
* documentation for details.
*
* @param string $name
* @param array $options
* @return string Queue ID (typically URL)
*/
public function createQueue($name, $options = null)
{
try {
$queue = $this->_storageClient->createQueue($name, $options);
return $queue->Name;
} catch (Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on queue creation: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Delete a queue. All messages in the queue will also be deleted.
*
* @param string $queueId
* @param array $options
* @return boolean true if successful, false otherwise
*/
public function deleteQueue($queueId, $options = null)
{
try {
if ($queueId instanceof Zend_Service_WindowsAzure_Storage_QueueInstance) {
$queueId = $queueId->Name;
}
return $this->_storageClient->deleteQueue($queueId);
} catch (Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on queue deletion: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* List all queues.
*
* @param array $options
* @return array Queue IDs
*/
public function listQueues($options = null)
{
$prefix = $maxResults = null;
if (is_array($options)) {
isset($options[self::LIST_PREFIX]) ? $prefix = $options[self::LIST_PREFIX] : null;
isset($options[self::LIST_MAX_RESULTS]) ? $maxResults = $options[self::LIST_MAX_RESULTS] : null;
}
try {
$queues = $this->_storageClient->listQueues($prefix, $maxResults);
$result = array();
foreach ($queues as $queue) {
$result[] = $queue->Name;
}
return $result;
} catch (Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on listing queues: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Get a key/value array of metadata for the given queue.
*
* @param string $queueId
* @param array $options
* @return array
*/
public function fetchQueueMetadata($queueId, $options = null)
{
try {
if ($queueId instanceof Zend_Service_WindowsAzure_Storage_QueueInstance) {
$queueId = $queueId->Name;
}
return $this->_storageClient->getQueueMetadata($queueId);
} catch (Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on fetching queue metadata: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Store a key/value array of metadata for the specified queue.
* WARNING: This operation overwrites any metadata that is located at
* $destinationPath. Some adapters may not support this method.
*
* @param string $queueId
* @param array $metadata
* @param array $options
* @return void
*/
public function storeQueueMetadata($queueId, $metadata, $options = null)
{
try {
if ($queueId instanceof Zend_Service_WindowsAzure_Storage_QueueInstance) {
$queueId = $queueId->Name;
}
return $this->_storageClient->setQueueMetadata($queueId, $metadata);
} catch (Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on setting queue metadata: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Send a message to the specified queue.
*
* @param string $queueId
* @param string $message
* @param array $options
* @return string Message ID
*/
public function sendMessage($queueId, $message, $options = null)
{
try {
if ($queueId instanceof Zend_Service_WindowsAzure_Storage_QueueInstance) {
$queueId = $queueId->Name;
}
return $this->_storageClient->putMessage(
$queueId, $message, $options[self::MESSAGE_TTL]
);
} catch (Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on sending message: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Recieve at most $max messages from the specified queue and return the
* message IDs for messages recieved.
*
* @param string $queueId
* @param int $max
* @param array $options
* @return Zend_Cloud_QueueService_Message[]
*/
public function receiveMessages($queueId, $max = 1, $options = null)
{
try {
if ($queueId instanceof Zend_Service_WindowsAzure_Storage_QueueInstance) {
$queueId = $queueId->Name;
}
if (isset($options[self::VISIBILITY_TIMEOUT])) {
$visibility = $options[self::VISIBILITY_TIMEOUT];
} else {
$visibility = self::DEFAULT_TIMEOUT;
}
return $this->_makeMessages($this->_storageClient->getMessages($queueId, $max, $visibility, false));
} catch (Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on recieving messages: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Create Zend_Cloud_QueueService_Message array for
* Azure messages.
*
* @param array $messages
* @return Zend_Cloud_QueueService_Message[]
*/
protected function _makeMessages($messages)
{
$messageClass = $this->getMessageClass();
$setClass = $this->getMessageSetClass();
$result = array();
foreach ($messages as $message) {
$result[] = new $messageClass($message->MessageText, $message);
}
return new $setClass($result);
}
/**
* Delete the specified message from the specified queue.
*
* @param string $queueId
* @param Zend_Cloud_QueueService_Message $message Message ID or message
* @param array $options
* @return void
*/
public function deleteMessage($queueId, $message, $options = null)
{
try {
if ($queueId instanceof Zend_Service_WindowsAzure_Storage_QueueInstance) {
$queueId = $queueId->Name;
}
if ($message instanceof Zend_Cloud_QueueService_Message) {
$message = $message->getMessage();
}
if ($message instanceof Zend_Service_WindowsAzure_Storage_QueueMessage) {
return $this->_storageClient->deleteMessage($queueId, $message);
} else {
throw new Zend_Cloud_QueueService_Exception('Cannot delete the message: message object required');
}
} catch (Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on deleting a message: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Peek at the messages from the specified queue without removing them.
*
* @param string $queueId
* @param int $num How many messages
* @param array $options
* @return Zend_Cloud_QueueService_Message[]
*/
public function peekMessages($queueId, $num = 1, $options = null)
{
try {
if ($queueId instanceof Zend_Service_WindowsAzure_Storage_QueueInstance) {
$queueId = $queueId->Name;
}
return $this->_makeMessages($this->_storageClient->peekMessages($queueId, $num));
} catch (Zend_Service_WindowsAzure_Exception $e) {
throw new Zend_Cloud_QueueService_Exception('Error on peeking messages: '.$e->getMessage(), $e->getCode(), $e);
}
}
/**
* Get Azure implementation
* @return Zend_Service_Azure_Storage_Queue
*/
public function getClient()
{
return $this->_storageClient;
}
}