<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     graphs
 * @copyright  (C) Adam Armstrong
 *
 */

// Draws aggregate bits graph from multiple RRDs
// Variables : colour_[line|area]_[in|out], rrd_filenames

include($config['html_dir'] . "/includes/graphs/common.inc.php");

if ($format == "octets" || $format == "bytes") {
    $units  = "Bps";
    $format = "octets";
} else {
    $units  = "bps";
    $format = "bits";
}

$i         = 0;
$rrd_multi = [];
foreach ($rrd_filenames as $key => $rrd_filename) {
    if ($rrd_inverted[$key]) {
        $in  = 'out';
        $out = 'in';
    } else {
        $in  = 'in';
        $out = 'out';
    }
    $rrd_filename_escape = rrdtool_escape($rrd_filename);

    $rrd_options .= " DEF:" . $in . "octets" . $i . "=" . $rrd_filename_escape . ":" . $ds_in . ":AVERAGE";
    $rrd_options .= " DEF:" . $out . "octets" . $i . "=" . $rrd_filename_escape . ":" . $ds_out . ":AVERAGE";

    $rrd_multi['in_thing'][]  = "inoctets" . $i;
    $rrd_multi['out_thing'][] = "outoctets" . $i;

    if ($vars['previous']) {
        $rrd_options .= " DEF:" . $in . $i . "X=" . $rrd_filename_escape . ":" . $ds_in . ":AVERAGE:start=" . $prev_from . ":end=" . $from;
        $rrd_options .= " DEF:" . $out . $i . "X=" . $rrd_filename_escape . ":" . $ds_out . ":AVERAGE:start=" . $prev_from . ":end=" . $from;
        $rrd_options .= " SHIFT:" . $in . $i . "X:$period";
        $rrd_options .= " SHIFT:" . $out . $i . "X:$period";

        $rrd_multi['in_thingX'][]  = "in" . $i . "X";
        $rrd_multi['out_thingX'][] = "out" . $i . "X";
    }
    $i++;
}

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

    $rrd_options .= " CDEF:" . $in . "octets=" . rrd_aggregate_dses($rrd_multi['in_thing']);
    $rrd_options .= " CDEF:" . $out . "octets=" . rrd_aggregate_dses($rrd_multi['out_thing']);

    $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 .= " CDEF:pout_tmp=doutbits,-1,* VDEF:dpout_tmp=pout_tmp,95,PERCENT CDEF:dpout_tmp2=doutbits,doutbits,-,dpout_tmp,-1,*,+ VDEF:d95thout=dpout_tmp2,FIRST";

    if ($vars['previous'] == "yes") {
        $rrd_options .= " CDEF:" . $in . "octetsX=" . rrd_aggregate_dses($rrd_multi['in_thingX']);
        $rrd_options .= " CDEF:" . $out . "octetsX=" . rrd_aggregate_dses($rrd_multi['in_thingX']);
        $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:95thinX=inbitsX,95,PERCENT";
        $rrd_options .= " VDEF:95thoutX=outbitsX,95,PERCENT";
        $rrd_options .= " CDEF:poutX_tmp=doutbitsX,-1,* VDEF:dpoutX_tmp=poutX_tmp,95,PERCENT CDEF:dpoutX_tmp2=doutbitsX,doutbitsX,-,dpoutX_tmp,-1,*,+ VDEF:d95thoutX=dpoutX_tmp2,FIRST";
    }

    if ($legend == 'no' || $legend == '1') {
        $rrd_options .= " AREA:in" . $format . "#" . $colour_area_in . ":";
#    $rrd_options .= " LINE1.25:in".$format."#".$colour_line_in.":";
        $rrd_options .= " AREA:dout" . $format . "#" . $colour_area_out . ":";
#    $rrd_options .= " LINE1.25:dout".$format."#".$colour_line_out.":";
    } else {
        $rrd_options .= " COMMENT:'bps      Now       Avg      Max      95th %\\n'";
        $rrd_options .= " AREA:in" . $format . "#" . $colour_area_in . ":'In '";
#    $rrd_options .= " LINE1.25:in".$format."#".$colour_line_in.":'In '";
        $rrd_options .= " GPRINT:in" . $format . ":LAST:%6.2lf%s";
        $rrd_options .= " GPRINT:in" . $format . ":AVERAGE:%6.2lf%s";
        $rrd_options .= " GPRINT:in" . $format . ":MAX:%6.2lf%s";
        $rrd_options .= " GPRINT:95thin:%6.2lf%s\\n";
        $rrd_options .= " AREA:dout" . $format . "#" . $colour_area_out . ":Out";
#    $rrd_options .= " LINE1.25:dout".$format."#".$colour_line_out.":Out";
        $rrd_options .= " GPRINT:out" . $format . ":LAST:%6.2lf%s";
        $rrd_options .= " GPRINT:out" . $format . ":AVERAGE:%6.2lf%s";
        $rrd_options .= " GPRINT:out" . $format . ":MAX:%6.2lf%s";
        $rrd_options .= " GPRINT:95thout:%6.2lf%s\\n";
    }

    $rrd_options .= " LINE1:95thin#aa0000";
    $rrd_options .= " LINE1:d95thout#aa0000";

    if ($vars['previous'] == "yes") {
        $rrd_options .= " AREA:in" . $format . "X#99999999:";
        $rrd_options .= " AREA:dout" . $format . "X#99999999:";
        //$rrd_options .= " LINE1:in".$format."X#666666:";
        //$rrd_options .= " LINE1:dout".$format."X#666666:";
    }

}

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

// Clean
unset($rrd_multi, $in_thing, $out_thing, $pluses, $in_thingX, $out_thingX, $plusesX);

// EOF