web/Zend/Cloud/QueueService/Adapter/WindowsAzure.php
changeset 0 4eba9c11703f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Cloud/QueueService/Adapter/WindowsAzure.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,343 @@
+<?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) 2005-2010 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) 2005-2010 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;
+    }
+}