Added CubeHandler

Send event to Cube via udp or http

.gitignore

@@ -2,3 +2,5 @@ vendor
 composer.phar
 phpunit.xml
 composer.lock
+
+.DS_Store

src/Monolog/Handler/CubeHandler.php

@@ -0,0 +1,150 @@
+<?php
+ 
+/*
+ * This file is part of the Monolog package.
+ *
+ * (c) Wan Chen <kami@kamisama.me>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+ 
+namespace Monolog\Handler;
+ 
+use Monolog\Logger;
+ 
+/**
+ * Logs to Cube.
+ * Cube url : http://square.github.com/cube/
+ *
+ * usage example:
+ *
+ *   $log = new Logger('application');
+ *   // To use UDP
+ *   $cube = new CubeHandler("udp://127.0.0.1:1180");
+ *   // To use HTTP
+ *   $cube = new CubeHandler("http://localhost:1080");
+ *   $log->pushHandler($cube);
+ *
+ * Given host and port are cube's default
+ *
+ * @author Wan Chen <kami@kamisama.me>
+ */
+class CubeHandler extends AbstractProcessingHandler
+{
+	private $socket = null;
+	private $curlConnection = null;
+	private $urlScheme = null;
+	private $acceptedUrlScheme = array('http', 'udp');
+	
+	
+	/**
+	 * Create a Cube handler
+	 *
+	 * @throws UnexpectedValueException when given url is not a valid url.
+	 * A valid url must consists of three parts : protocol://host:port
+	 * Only valid protocol used by Cube are http and udp
+	 */
+    public function __construct($url, $level = Logger::DEBUG, $bubble = true)
+    {
+    	$urlInfos = parse_url($url);
+    	
+    	if(!$urlInfos || !isset($urlInfos['scheme']) || !isset($urlInfos['host']) || !isset($urlInfos['port']))
+    		throw new \UnexpectedValueException('URL "'.$url.'" is not valid');
+    	
+    	if (!in_array($urlInfos['scheme'], $this->acceptedUrlScheme))
+    	{
+    		throw new \UnexpectedValueException('Invalid ' . $urlInfos['scheme'] . ' protocol. Valid options are ' . implode(', ', $this->acceptedUrlScheme));
+    	}
+    	else
+    		$this->urlScheme = $urlInfos['scheme'];
+    	
+    	switch($this->urlScheme)
+    	{
+    		case 'http' : $this->connectHttp($urlInfos['host'], $urlInfos['port']); break;
+    		case 'udp' : $this->connectUdp($urlInfos['host'], $urlInfos['port']); break;
+    		default;
+    	}
+    	
+        parent::__construct($level, $bubble);
+    }
+    
+    
+    /**
+     * Establish a connection to an UDP socket
+     *
+     * @throws LogicException when unable to connect to the socket
+     */
+    protected function connectUdp($host = '127.0.0.1', $port = 1180)
+    {
+    	if (!extension_loaded('sockets')) {
+    		throw new \LogicException('The sockets extension is not loaded');
+    	}
+    	 
+    	$this->socket = socket_create(AF_INET, SOCK_DGRAM, 0);
+    	if (!$this->socket)
+    		throw new \LogicException('Unable to create a socket');
+    	 
+    	$result = socket_connect($this->socket, $host, $port);
+    	if (!$result)
+    	{
+    		throw new \LogicException('Unable to connect to the socket at ' . $host . ':' . $port);
+    	}
+    }
+ 
+    
+    /**
+     * Establish a connection to a http server
+     */
+    protected function connectHttp($host = 'localhost', $port = 1080)
+    {
+    	$this->curlConnection = curl_init('http://'.$host.':'.$port.'/1.0/event/put');
+    	
+    	if(!$this->curlConnection)
+    		throw new \LogicException('Unable to connect to ' . $host . ':' . $port);
+    	
+    	curl_setopt($this->curlConnection, CURLOPT_CUSTOMREQUEST, "POST");
+    	curl_setopt($this->curlConnection, CURLOPT_RETURNTRANSFER, true);
+    	
+    }
+    
+    
+    /**
+     * Send Event to Cube
+     *
+     * This assumes that the mandatory fields :
+     * - type is in $record['context']['type']
+     * - data is $record['context']
+     */
+    protected function write(array $record)
+    {
+    	$date = $record['datetime'];
+    	
+    	$datas = array(
+    			'type' => $record['context']['type'],
+    			'time' => $date->format('Y-m-d H:i:s')
+    			);
+    	
+    	unset($record['context']['type'], $record['datetime']);
+    	
+    	$datas['data'] = $record['context'];
+    	$datas['data']['level'] = $record['level'];
+    	
+    	$datas = json_encode($datas);
+    	
+    	switch($this->urlScheme)
+    	{
+    		case 'http' :
+    			curl_setopt($this->curlConnection, CURLOPT_POSTFIELDS, '['.$datas.']');
+    			curl_setopt($this->curlConnection, CURLOPT_HTTPHEADER, array(
+    					'Content-Type: application/json',
+    					'Content-Length: ' . strlen('['.$datas.']'))
+    			);
+    			$result = curl_exec($this->curlConnection);
+    			break;
+    		case 'udp' : socket_send($this->socket, $datas, strlen($datas), 0);
+    	}
+    	
+    	
+    }
+}