irc.php

<?php
$server = 'tcp://efnet.port80.se';
$port = 6667;
$pass = '';
$nick = 'at-' . gethostname(); // FIX IF HOSTNAME != rysnc hostname, DO THE SAME FOR BELOW
$channel = '#rsync-status';
function send( $conn, $msg )
{
        echo "--> {$msg}\n";
        return fwrite( $conn, $msg . "\n" );
}
$connection = fsockopen($server, $port, $errno, $errstr);
if ( ! $connection)
{
        die("$errstr ($errno)\n");
}
send( $connection, sprintf("PASS %s", $pass) );
send( $connection, 'USER username "1" "1" :username_again');
send( $connection, sprintf("NICK %s", $nick) );
//send( $connection, sprintf("JOIN %s", $channel) ); // Can't join yet...
$joined = false;
        while ( $input = trim( fgets( $connection ) ) )
        {
                stream_set_timeout( $connection, 3600 );
                print $input . "\n";
                // Join after all is well
                if(strpos($input, "266") AND ! $joined)
                {
                        send( $connection, sprintf("JOIN %s", $channel));
                        $joined = TRUE;
                        continue;
                }
                // Keep alive
                if(preg_match("|^PING :(.*)$|i", $input, $matches))
                {
                        echo "[ SERVER PING {$matches[1]} ]\n";
                        send( $connection, "PONG :{$matches[1]}" );
                            $f = './'; // EDIT THIS TO POINT TO THE FS DIR YOU WANT TO WATCH
                            $io = popen ( '/usr/bin/du -sk ' . $f, 'r' );
                            $size = fgets ( $io, 4096);
                            $size = substr ( $size, 0, strpos ( $size, "\t" ) );
                            pclose ( $io );
                        $free = 1e+12 - $size; // SET TO 1TB, CHANGE TO SET FS SIZE
                        send( $connection, "PRIVMSG $channel :[" . gethostname() . "] Free: " . $free . " bytes");
                        // CHANGE BELOW SIZE TO SET ALERT SIZE!
                        if($free < 1e+9){send( $connection, "PRIVMSG $channel :[" . gethostname() . "] ALERT, LOW SPACE JRWR"); }
                        continue;
                }
}