<?php

require 'includes/graphs/common.inc.php';

$i = 0;
if ($width > '500') {
    $descr_len = 18;
}
else {
    $descr_len  = 8;
    $descr_len += round(($width - 260) / 9.5);
}

$unit_text = 'Bits/sec';

if ($width > '500') {
    $rrd_options .= " COMMENT:'".substr(str_pad($unit_text, ($descr_len + 5)), 0, ($descr_len + 5))."    Current      Average     Maximum      '";
    if (!$nototal) {
        $rrd_options .= " COMMENT:'Total      '";
    }

    $rrd_options .= " COMMENT:'\l'";
}
else {
    $rrd_options .= " COMMENT:'".substr(str_pad($unit_text, ($descr_len + 5)), 0, ($descr_len + 5))."     Now         Ave          Max\l'";
}

if (!isset($multiplier)) {
    $multiplier = '8';
}

foreach ($rrd_list as $rrd) {
    if (!$config['graph_colours'][$colours_in][$iter] || !$config['graph_colours'][$colours_out][$iter]) {
        $iter = 0;
    }

    $colour_in  = $config['graph_colours'][$colours_in][$iter];
    $colour_out = $config['graph_colours'][$colours_out][$iter];

    if (isset($rrd['descr_in'])) {
        $descr = rrdtool_escape($rrd['descr_in'], $descr_len).'  In';
    }
    else {
        $descr = rrdtool_escape($rrd['descr'], $descr_len).'  In';
    }

    $descr_out = rrdtool_escape($rrd['descr_out'], $descr_len).' Out';
    $descr     = str_replace("'", '', $descr);
    // FIXME does this mean ' should be filtered in rrdtool_escape? probably...
    $descr_out = str_replace("'", '', $descr_out);

    $rrd_options .= ' DEF:'.$in.$i.'='.$rrd['filename'].':'.$ds_in.':AVERAGE ';
    $rrd_options .= ' DEF:'.$out.$i.'='.$rrd['filename'].':'.$ds_out.':AVERAGE ';
    $rrd_options .= ' CDEF:inB'.$i.'=in'.$i.",$multiplier,* ";
    $rrd_options .= ' CDEF:outB'.$i.'=out'.$i.",$multiplier,*";
    $rrd_options .= ' CDEF:outB'.$i.'_neg=outB'.$i.',-1,*';
    $rrd_options .= ' CDEF:octets'.$i.'=inB'.$i.',outB'.$i.',+';

    if (!$args['nototal']) {
        $in_thing  .= $seperator.$in.$i.',UN,0,'.$in.$i.',IF';
        $out_thing .= $seperator.$out.$i.',UN,0,'.$out.$i.',IF';
        $pluses    .= $plus;
        $seperator  = ',';
        $plus       = ',+';

        $rrd_options .= ' VDEF:totin'.$i.'=inB'.$i.',TOTAL';
        $rrd_options .= ' VDEF:totout'.$i.'=outB'.$i.',TOTAL';
        $rrd_options .= ' VDEF:tot'.$i.'=octets'.$i.',TOTAL';
    }

    if ($i) {
        $stack = 'STACK';
    }

    $rrd_options .= ' AREA:inB'.$i.'#'.$colour_in.":'".$descr."':$stack";
    $rrd_options .= ' GPRINT:inB'.$i.":LAST:%6.2lf%s$units";
    $rrd_options .= ' GPRINT:inB'.$i.":AVERAGE:%6.2lf%s$units";
    $rrd_options .= ' GPRINT:inB'.$i.":MAX:%6.2lf%s$units\l";

    if (!$nototal) {
        $rrd_options .= ' GPRINT:totin'.$i.":%6.2lf%s$total_units";
    }

    $rrd_options  .= " 'HRULE:0#".$colour_out.':'.$descr_out."'";
    $rrd_optionsb .= " 'AREA:outB".$i.'_neg#'.$colour_out."::$stack'";
    $rrd_options  .= ' GPRINT:outB'.$i.":LAST:%6.2lf%s$units";
    $rrd_options  .= ' GPRINT:outB'.$i.":AVERAGE:%6.2lf%s$units";
    $rrd_options  .= ' GPRINT:outB'.$i.":MAX:%6.2lf%s$units\l";

    if (!$nototal) {
        $rrd_options .= ' GPRINT:totout'.$i.":%6.2lf%s$total_units";
    }

    $rrd_options .= " 'COMMENT:\l'";
    $i++;
    $iter++;
}//end foreach

if ($custom_graph) {
    $rrd_options .= $custom_graph;
}

if (!$nototal) {
    $rrd_options .= ' CDEF:'.$in.'octets='.$in_thing.$pluses;
    $rrd_options .= ' CDEF:'.$out.'octets='.$out_thing.$pluses;
    $rrd_options .= ' CDEF:octets=inoctets,outoctets,+';
    $rrd_options .= ' CDEF:doutoctets=outoctets,-1,*';
    $rrd_options .= ' CDEF:inbits=inoctets,8,*';
    $rrd_options .= ' CDEF:outbits=outoctets,8,*';
    $rrd_options .= ' CDEF:doutbits=doutoctets,8,*';

    $rrd_options .= ' VDEF:95thin=inbits,95,PERCENT';
    $rrd_options .= ' VDEF:95thout=outbits,95,PERCENT';
    $rrd_options .= ' VDEF:d95thout=doutbits,5,PERCENT';

    $rrd_options .= ' VDEF:totin=inoctets,TOTAL';
    $rrd_options .= ' VDEF:totout=outoctets,TOTAL';
    $rrd_options .= ' VDEF:tot=octets,TOTAL';

    // $rrd_options .= " AREA:totin#" . $colour_in . ":'" . $descr . "':$stack";
    // $rrd_options .= " GPRINT:totin:LAST:%6.2lf%s$units";
    // $rrd_options .= " GPRINT:totin:AVERAGE:%6.2lf%s$units";
    // $rrd_options .= " GPRINT:totin:MAX:%6.2lf%s$units\l";
}//end if

$rrd_options .= $rrd_optionsb;
$rrd_options .= ' HRULE:0#999999';