<?php
/**
* Functions to access the router
*
* PHP version 5
*
* @category Tools
* @package  linksys-wrt3g-tools
* @author   Christian Weiske <cweiske@cweiske.de>
* @license  AGPL v3
* @link     http://cweiske.de/linksys-wrt3g-tools.htm
*/
require_once 'HTTP/Request2.php';
require_once 'Wrt3g/HtmlParser.php';


class Wrt3g
{
    /**
     * Router hostname/IP
     *
     * @var string
     */
    public $host;

    /**
     * Name of user with administration privileges
     *
     * @var string
     */
    public $user;

    /**
     * Password for $user
     *
     * @var string
     */
    public $password;


    /**
     * Returns the base URL to use for requests.
     * Includes username, password and host.
     *
     * @return string URL without trailing slash after the host
     */
    protected function getBaseUrl()
    {
        return 'http://'
            . $this->user
            . ':' . $this->password
            . '@' . $this->host;
    }


    /**
    * Reboots the router.
    *
    * @return HTTP_Request2_Response
    *
    * @throws Exception When the router can't be reached, or unauthorized
    */
    public function reboot()
    {
        $r = new HTTP_Request2();
        $r->setMethod(HTTP_Request2::METHOD_POST);
        $r->setUrl(
            $this->getBaseUrl() . '/apply.cgi'
        );
        $r->addPostParameter('action', 'Reboot');
        $r->addPostParameter('submit_button', 'Diagnostics');
        $r->addPostParameter('wait_time', 1);

        $resp = $r->send();
        return $resp;
    }//public function reboot()


    /**
    * Retrieves status information about the router
    *
    * @return array Array with several key-value pairs
    *               connection => connecting, disconnected, connected
    *
    * @throws Exception When the router can't be reached, or unauthorized
    */
    public function getStatus()
    {
        $arRetval = array();

        $strUrlBase = $this->getBaseUrl();
        $parser = new Wrt3g_HtmlParser();

        /**
        * Connection status
        */
        $r = new HTTP_Request2();
        $r->setMethod(HTTP_Request2::METHOD_GET);
        $r->setUrl($strUrlBase . '/index_wstatus2.asp');
        $resp = $r->send();
        echo $resp->getStatus() . ' ' . $resp->getReasonPhrase() . "\n";
        $arRetval = $parser->index_wstatus2($resp->getBody());

        /**
        * GPRS/UMTS Status
        */
        $r->setUrl($strUrlBase . '/index_wstatus1.asp');
        $resp = $r->send();
        $body = $resp->getBody();
        $arRetval = array_merge($arRetval, $parser->index_wstatus1($body));

        return $arRetval;
    }//public function getStatus()
}
?>