--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Wildfire/Protocol/JsonStream.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,235 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * 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_Wildfire
+ * @subpackage Protocol
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: JsonStream.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/** Zend_Wildfire_Plugin_Interface */
+require_once 'Zend/Wildfire/Plugin/Interface.php';
+
+/** Zend_Wildfire_Channel_Interface */
+require_once 'Zend/Wildfire/Channel/Interface.php';
+
+/** Zend_Json */
+require_once 'Zend/Json.php';
+
+/**
+ * Encodes messages into the Wildfire JSON Stream Communication Protocol.
+ *
+ * @category Zend
+ * @package Zend_Wildfire
+ * @subpackage Protocol
+ * @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_Wildfire_Protocol_JsonStream
+{
+ /**
+ * The protocol URI for this protocol
+ */
+ const PROTOCOL_URI = 'http://meta.wildfirehq.org/Protocol/JsonStream/0.2';
+
+ /**
+ * All messages to be sent.
+ * @var array
+ */
+ protected $_messages = array();
+
+ /**
+ * Plugins that are using this protocol
+ * @var array
+ */
+ protected $_plugins = array();
+
+ /**
+ * Register a plugin that uses this protocol
+ *
+ * @param Zend_Wildfire_Plugin_Interface $plugin The plugin to be registered
+ * @return boolean Returns TRUE if plugin was registered, false if it was already registered
+ */
+ public function registerPlugin(Zend_Wildfire_Plugin_Interface $plugin)
+ {
+ if (in_array($plugin,$this->_plugins)) {
+ return false;
+ }
+ $this->_plugins[] = $plugin;
+ return true;
+ }
+
+ /**
+ * Record a message with the given data in the given structure
+ *
+ * @param Zend_Wildfire_Plugin_Interface $plugin The plugin recording the message
+ * @param string $structure The structure to be used for the data
+ * @param array $data The data to be recorded
+ * @return boolean Returns TRUE if message was recorded
+ */
+ public function recordMessage(Zend_Wildfire_Plugin_Interface $plugin, $structure, $data)
+ {
+ if(!isset($this->_messages[$structure])) {
+ $this->_messages[$structure] = array();
+ }
+
+ $uri = $plugin->getUri();
+
+ if(!isset($this->_messages[$structure][$uri])) {
+ $this->_messages[$structure][$uri] = array();
+ }
+
+ $this->_messages[$structure][$uri][] = $this->_encode($data);
+ return true;
+ }
+
+ /**
+ * Remove all qued messages
+ *
+ * @param Zend_Wildfire_Plugin_Interface $plugin The plugin for which to clear messages
+ * @return boolean Returns TRUE if messages were present
+ */
+ public function clearMessages(Zend_Wildfire_Plugin_Interface $plugin)
+ {
+ $uri = $plugin->getUri();
+
+ $present = false;
+ foreach ($this->_messages as $structure => $messages) {
+
+ if(!isset($this->_messages[$structure][$uri])) {
+ continue;
+ }
+
+ $present = true;
+
+ unset($this->_messages[$structure][$uri]);
+
+ if (!$this->_messages[$structure]) {
+ unset($this->_messages[$structure]);
+ }
+ }
+ return $present;
+ }
+
+ /**
+ * Get all qued messages
+ *
+ * @return mixed Returns qued messages or FALSE if no messages are qued
+ */
+ public function getMessages()
+ {
+ if (!$this->_messages) {
+ return false;
+ }
+ return $this->_messages;
+ }
+
+ /**
+ * Use the JSON encoding scheme for the value specified
+ *
+ * @param mixed $value The value to be encoded
+ * @return string The encoded value
+ */
+ protected function _encode($value)
+ {
+ return Zend_Json::encode($value, true, array('silenceCyclicalExceptions'=>true));
+ }
+
+ /**
+ * Retrieves all formatted data ready to be sent by the channel.
+ *
+ * @param Zend_Wildfire_Channel_Interface $channel The instance of the channel that will be transmitting the data
+ * @return mixed Returns the data to be sent by the channel.
+ * @throws Zend_Wildfire_Exception
+ */
+ public function getPayload(Zend_Wildfire_Channel_Interface $channel)
+ {
+ if (!$channel instanceof Zend_Wildfire_Channel_HttpHeaders) {
+ require_once 'Zend/Wildfire/Exception.php';
+ throw new Zend_Wildfire_Exception('The '.get_class($channel).' channel is not supported by the '.get_class($this).' protocol.');
+ }
+
+ if ($this->_plugins) {
+ foreach ($this->_plugins as $plugin) {
+ $plugin->flushMessages(self::PROTOCOL_URI);
+ }
+ }
+
+ if (!$this->_messages) {
+ return false;
+ }
+
+ $protocol_index = 1;
+ $structure_index = 1;
+ $plugin_index = 1;
+ $message_index = 1;
+
+ $payload = array();
+
+ $payload[] = array('Protocol-'.$protocol_index, self::PROTOCOL_URI);
+
+ foreach ($this->_messages as $structure_uri => $plugin_messages ) {
+
+ $payload[] = array($protocol_index.'-Structure-'.$structure_index, $structure_uri);
+
+ foreach ($plugin_messages as $plugin_uri => $messages ) {
+
+ $payload[] = array($protocol_index.'-Plugin-'.$plugin_index, $plugin_uri);
+
+ foreach ($messages as $message) {
+
+ $parts = explode("\n",chunk_split($message, 5000, "\n"));
+
+ for ($i=0 ; $i<count($parts) ; $i++) {
+
+ $part = $parts[$i];
+ if ($part) {
+
+ $msg = '';
+
+ if (count($parts)>2) {
+ $msg = (($i==0)?strlen($message):'')
+ . '|' . $part . '|'
+ . (($i<count($parts)-2)?'\\':'');
+ } else {
+ $msg = strlen($part) . '|' . $part . '|';
+ }
+
+ $payload[] = array($protocol_index . '-'
+ . $structure_index . '-'
+ . $plugin_index . '-'
+ . $message_index,
+ $msg);
+
+ $message_index++;
+
+ if ($message_index > 99999) {
+ require_once 'Zend/Wildfire/Exception.php';
+ throw new Zend_Wildfire_Exception('Maximum number (99,999) of messages reached!');
+ }
+ }
+ }
+ }
+ $plugin_index++;
+ }
+ $structure_index++;
+ }
+
+ return $payload;
+ }
+
+}
+