#!/usr/bin/env php
<?php
/**
 * Munin node plugin to monitor the router status.
 * Part of Linksys WRT3G tools
 *
 * 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
 * @link     http://munin-monitoring.org/wiki/ConcisePlugins
 */
require_once 'Wrt3g.php';

if (isset($argv[1]) && $argv[1] == 'autoconf') {
    $router = new Wrt3g();
    $router->loadConfig();
    if ($router->config->host === null) {
        echo "no (no host configured)\n";
    } else {
        echo "yes\n";
    }
    exit();

} else if (isset($argv[1]) && $argv[1] == 'config') {
    echo <<<TXT
graph_title WRT3G router status
graph_args --base 1000 -l 0 --upper-limit 7
graph_vlabel Status values
graph_category network
graph_info This graph shows the status of a WRT3G router
conn_connected.label Connected
conn_connected.info Router is connected
conn_connected.draw LINE2
conn_connecting.label Connecting
conn_connecting.info Router is connecting
conn_connecting.draw LINE2
conn_disconnected.label Disconnected
conn_disconnected.info Router is disconnected
conn_disconnected.draw LINE2
notavailable.label Not available
notavailable.info Router cannot be reached
notavailable.draw LINE2
type_gprs.label GPRS
type_gprs.info Connection via GPRS
type_gprs.draw LINE2
type_umts.label UMTS
type_umts.info Connection via UMTS
type_umts.draw LINE2

TXT;
    exit();

} else if (isset($argv[1])
    && ($argv[1] == 'help' || $argv[1] == '--help' || $argv[1] == '-h')
) {
    echo <<<TXT
munin-node plugin to monitor a linksys wrt3g router.

Supports environment variables: host, user, password

Commands:
  autoconf  - Check if the plugin would work
  config    - Show munin config values
  <nothing> - Print status for munin-node consumption

TXT;
    exit();
}


try {
    $router = new Wrt3g();
    $router->loadConfig();

    $arStatus = $router->getConnectionStatus();

    $conn = $arStatus['connection'];
    if ($conn == 'disconnected') {
        echo "conn_disconnected.value 1\n";
    } else if ($conn == 'connecting') {
        echo "conn_connecting.value 2\n";
    } else if ($conn == 'connected') {
        echo "conn_connected.value 3\n";
    }

    $type = strtolower($arStatus['type']);
    if ($type == 'gprs') {
        echo "type_gprs.value 4.5\n";
    } else if ($type == 'umts') {
        echo "type_umts.value 5\n";
    }
} catch (Exception $e) {
    echo "notavailable 0.5\n";
}
?>