<?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_Gdata

 * @subpackage App

 * @version    $Id: LoggingHttpClientAdapterSocket.php 20096 2010-01-06 02:05:09Z bkarwin $

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

/**

 * @see Zend_Http_Client_Adapter_Socket

 */

require_once 'Zend/Http/Client/Adapter/Socket.php';

/**

 * Overrides the traditional socket-based adapter class for Zend_Http_Client to

 * enable logging of requests.  All requests are logged to a location specified

 * in the config as $config['logfile'].  Requests and responses are logged after

 * they are sent and received/processed, thus an error could prevent logging.

 *

 * @category   Zend

 * @package    Zend_Gdata

 * @subpackage App

 * @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_Gdata_App_LoggingHttpClientAdapterSocket extends Zend_Http_Client_Adapter_Socket

{

    /**

     * The file handle for writing logs

     *

     * @var resource|null

     */

    protected $log_handle = null;

    /**

     * Log the given message to the log file.  The log file is configured

     * as the config param 'logfile'.  This method opens the file for

     * writing if necessary.

     *

     * @param string $message The message to log

     */

    protected function log($message)

    {

        if ($this->log_handle == null) {

            $this->log_handle = fopen($this->config['logfile'], 'a');

        }

        fwrite($this->log_handle, $message);

    }

    /**

     * Connect to the remote server

     *

     * @param string  $host

     * @param int     $port

     * @param boolean $secure

     * @param int     $timeout

     */

    public function connect($host, $port = 80, $secure = false)

    {

        $this->log("Connecting to: ${host}:${port}");

        return parent::connect($host, $port, $secure);

    }

    /**

     * Send request to the remote server

     *

     * @param string        $method

     * @param Zend_Uri_Http $uri

     * @param string        $http_ver

     * @param array         $headers

     * @param string        $body

     * @return string Request as string

     */

    public function write($method, $uri, $http_ver = '1.1', $headers = array(), $body = '')

    {

        $request = parent::write($method, $uri, $http_ver, $headers, $body);

        $this->log("\n\n" . $request);

        return $request;

    }

    /**

     * Read response from server

     *

     * @return string

     */

    public function read()

    {

        $response = parent::read();

        $this->log("${response}\n\n");

        return $response;

    }

    /**

     * Close the connection to the server

     *

     */

    public function close()

    {

        $this->log("Closing socket\n\n");

        parent::close();

    }

}