<?php

// Draws aggregate bits graph from multiple RRDs
// Variables : colour_[line|area]_[in|out], rrd_filenames
require 'includes/graphs/common.inc.php';

$i = 0;

foreach ($rrd_filenames as $key => $rrd_filename) {
    if ($rrd_inverted[$key]) {
        $in  = 'out';
        $out = 'in';
    } else {
        $in  = 'in';
        $out = 'out';
    }

    $rrd_options .= ' DEF:'.$in.'octets'.$i.'='.$rrd_filename.':'.$ds_in.':AVERAGE';
    $rrd_options .= ' DEF:'.$out.'octets'.$i.'='.$rrd_filename.':'.$ds_out.':AVERAGE';
    $in_thing    .= $seperator.'inoctets'.$i.',UN,0,'.'inoctets'.$i.',IF';
    $out_thing   .= $seperator.'outoctets'.$i.',UN,0,'.'outoctets'.$i.',IF';
    $pluses      .= $plus;
    $seperator    = ',';
    $plus         = ',+';

    if ($_GET['previous']) {
        $rrd_options .= ' DEF:'.$in.'octets'.$i.'X='.$rrd_filename.':'.$ds_in.':AVERAGE:start='.$prev_from.':end='.$from;
        $rrd_options .= ' DEF:'.$out.'octets'.$i.'X='.$rrd_filename.':'.$ds_out.':AVERAGE:start='.$prev_from.':end='.$from;
        $rrd_options .= ' SHIFT:'.$in.'octets'.$i."X:$period";
        $rrd_options .= ' SHIFT:'.$out.'octets'.$i."X:$period";
        $in_thingX   .= $seperatorX.'inoctets'.$i.'X,UN,0,'.'inoctets'.$i.'X,IF';
        $out_thingX  .= $seperatorX.'outoctets'.$i.'X,UN,0,'.'outoctets'.$i.'X,IF';
        $plusesX     .= $plusX;
        $seperatorX   = ',';
        $plusX        = ',+';
    }

    $i++;
}//end foreach

if ($i) {
    if ($inverse) {
        $in  = 'out';
        $out = 'in';
    } else {
        $in  = 'in';
        $out = 'out';
    }

    $rrd_options .= ' CDEF:'.$in.'octets='.$in_thing.$pluses;
    $rrd_options .= ' CDEF:'.$out.'octets='.$out_thing.$pluses;
    $rrd_options .= ' CDEF:doutoctets=outoctets,-1,*';
    $rrd_options .= ' CDEF:inbits=inoctets,8,*';
    $rrd_options .= ' CDEF:outbits=outoctets,8,*';
    $rrd_options .= ' CDEF:doutbits=doutoctets,8,*';
    $rrd_options .= ' VDEF:percentile_in=inbits,'.$config['percentile_value'].',PERCENT';
    $rrd_options .= ' VDEF:percentile_out=outbits,'.$config['percentile_value'].',PERCENT';
    $rrd_options .= ' CDEF:dpercentile_outn=doutbits,-1,*';
    $rrd_options .= ' VDEF:dpercentile_outnp=dpercentile_outn,'.$config['percentile_value'].',PERCENT';
    $rrd_options .= ' CDEF:dpercentile_outnpn=doutbits,doutbits,-,dpercentile_outnp,-1,*,+';
    $rrd_options .= ' VDEF:dpercentile_out=dpercentile_outnpn,FIRST';

    if ($_GET['previous'] == 'yes') {
        $rrd_options .= ' CDEF:'.$in.'octetsX='.$in_thingX.$pluses;
        $rrd_options .= ' CDEF:'.$out.'octetsX='.$out_thingX.$pluses;
        $rrd_options .= ' CDEF:doutoctetsX=outoctetsX,-1,*';
        $rrd_options .= ' CDEF:inbitsX=inoctetsX,8,*';
        $rrd_options .= ' CDEF:outbitsX=outoctetsX,8,*';
        $rrd_options .= ' CDEF:doutbitsX=doutoctetsX,8,*';
        $rrd_options .= ' VDEF:percentile_inX=inbitsX,'.$config['percentile_value'].',PERCENT';
        $rrd_options .= ' VDEF:percentile_outX=outbitsX,'.$config['percentile_value'].',PERCENT';
        $rrd_options .= ' CDEF:dpercentile_outXn=doutbitsX,-1,*';
        $rrd_options .= ' VDEF:dpercentile_outX=dpercentile_outXn,'.$config['percentile_value'].',PERCENT';
        $rrd_options .= ' CDEF:dpercentile_outXn=doutbitsX,doutbitsX,-,dpercentile_outX,-1,*,+';
        $rrd_options .= ' VDEF:dpercentile_outX=dpercentile_outXn,FIRST';
    }

    if ($legend == 'no' || $legend == '1') {
        $rrd_options .= ' AREA:inbits#'.$colour_area_in.':';
        $rrd_options .= ' LINE1.25:inbits#'.$colour_line_in.':';
        $rrd_options .= ' AREA:doutbits#'.$colour_area_out.':';
        $rrd_options .= ' LINE1.25:doutbits#'.$colour_line_out.':';
    } else {
        $rrd_options .= ' AREA:inbits#'.$colour_area_in.':';
        $rrd_options .= " COMMENT:'bps      Now       Ave      Max      ".$config['percentile_value']."th %\\n'";
        $rrd_options .= ' LINE1.25:inbits#'.$colour_line_in.':In\ ';
        $rrd_options .= ' GPRINT:inbits:LAST:%6.2lf%s';
        $rrd_options .= ' GPRINT:inbits:AVERAGE:%6.2lf%s';
        $rrd_options .= ' GPRINT:inbits:MAX:%6.2lf%s';
        $rrd_options .= " GPRINT:percentile_in:%6.2lf%s\\\\n";
        $rrd_options .= ' AREA:doutbits#'.$colour_area_out.':';
        $rrd_options .= ' LINE1.25:doutbits#'.$colour_line_out.':Out';
        $rrd_options .= ' GPRINT:outbits:LAST:%6.2lf%s';
        $rrd_options .= ' GPRINT:outbits:AVERAGE:%6.2lf%s';
        $rrd_options .= ' GPRINT:outbits:MAX:%6.2lf%s';
        $rrd_options .= " GPRINT:percentile_out:%6.2lf%s\\\\n";
    }

    $rrd_options .= ' LINE1:percentile_in#aa0000';
    $rrd_options .= ' LINE1:dpercentile_out#aa0000';

    if ($_GET['previous'] == 'yes') {
        $rrd_options .= ' AREA:inbitsX#9999966:';
        $rrd_options .= ' AREA:doutbitsX#99999966:';
    }
}//end if

// $rrd_options .= " HRULE:0#999999";