#!/usr/bin/env php
<?php

    ///////////////////////////////////////////////////////////////////////////////////////
    ///
    //      A small script to grab the MailScanner statistics from a MailScanner server
    //      Needed commands: php, MailScanner, WatchMailLog, perl
    ///
    //      Install:
    //              Add the WatchMailLog Daemon to the rc.local so its start on server boot
    //              Run the WatchMailLog Daemon to start grabbing statistics from log files
    //              Add the following to your snmpd.conf file:
    //              extend mailwatch /opt/librenms/scripts/mailwatch.php
    ///
    //      Version 1.0 By:
    //              All In One - Dennis de Houx <info@all-in-one.be>
    ///
    ///////////////////////////////////////////////////////////////////////////////////////

    // START SETTINGS ///

    $mailstats = '/opt/librenms/scripts/watchmaillog/watchmaillog_counters';

    // END SETTINGS ///

    ///
    // DO NOT EDIT BENETH THIS LINE
    ///
    ///////////////////////////////////////////////////////////////////////////////////////

    function doSNMPv2($vars)
    {
        $stats = [];
        if (file_exists($vars)) {
            $data = file($vars);
            foreach ($data as $item=>$value) {
                if (!empty($value)) {
                    $temp = explode(':', trim($value));
                    if (isset($temp[1])) {
                        $stats[$temp[0]] = $temp[1];
                    }
                }
            }
        }
        $var = [];
        $var['mess_recv'] = (isset($stats['mess_recv']) ? $stats['mess_recv'] : 'U');
        $var['mess_rejected'] = (isset($stats['mess_rejected']) ? $stats['mess_rejected'] : 'U');
        $var['mess_relay'] = (isset($stats['mess_relay']) ? $stats['mess_relay'] : 'U');
        $var['mess_sent'] = (isset($stats['mess_sent']) ? $stats['mess_sent'] : 'U');
        $var['mess_waiting'] = (isset($stats['mess_waiting']) ? $stats['mess_waiting'] : 'U');
        $var['spam'] = (isset($stats['spam']) ? $stats['spam'] : 'U');
        $var['virus'] = (isset($stats['virus']) ? $stats['virus'] : 'U');
        foreach ($var as $item=>$count) {
            echo $count."\n";
        }
    }

    function clearStats($mailstats)
    {
        if (file_exists($mailstats)) {
            $fp = fopen($mailstats, 'w');
            fwrite($fp, "mess_recv:0\n");
            fwrite($fp, "mess_rejected:0\n");
            fwrite($fp, "mess_relay:0\n");
            fwrite($fp, "mess_sent:0\n");
            fwrite($fp, "mess_waiting:0\n");
            fwrite($fp, "spam:0\n");
            fwrite($fp, "virus:0\n");
            fclose($fp);
        }
    }

    doSNMPv2($mailstats);
    //clearStats($mailstats);

?>