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<?php

    //

    // vnStat PHP frontend (c)2006-2010 Bjorge Dijkstra (bjd@jooz.net)

    //

    // This program is free software; you can redistribute it and/or modify

    // it under the terms of the GNU General Public License as published by

    // the Free Software Foundation; either version 2 of the License, or

    // (at your option) any later version.

    //

    // This program is distributed in the hope that it will be useful,

    // but WITHOUT ANY WARRANTY; without even the implied warranty of

    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    // GNU General Public License for more details.

    //

    // You should have received a copy of the GNU General Public License

    // along with this program; if not, write to the Free Software

    // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    //

    //

    // see file COPYING or at http://www.gnu.org/licenses/gpl.html 

    // for more information.

    //

    require 'config.php';

    require 'localize.php';

    require 'vnstat.php';

    validate_input();

    require "./themes/$style/theme.php";

    function write_side_bar()

    {

        global $iface, $page, $graph, $script, $style;

        global $iface_list, $iface_title;   

        global $page_list, $page_title;

        $p = "&graph=$graph&style=$style";

        print "<ul class=\"iface\">\n";

        foreach ($iface_list as $if)

        {

            print "<li class=\"iface\">";

            if (isset($iface_title[$if]))

            {

                print $iface_title[$if];

            }

            else

            {

                print $if;

            }

            print "<ul class=\"page\">\n";

            foreach ($page_list as $pg)

            {

                print "<li class=\"page\"><a href=\"$script?if=$if$p&amp;page=$pg\">".$page_title[$pg]."</a></li>\n";

            }

            print "</ul></li>\n";

        }

        print "</ul>\n"; 

    }

    function kbytes_to_string($kb)

    {

        $units = array('TB','GB','MB','KB');

        $scale = 1024*1024*1024;

        $ui = 0;

        while (($kb < $scale) && ($scale > 1))

        {

            $ui++;

            $scale = $scale / 1024;

        }   

        return sprintf("%0.2f %s", ($kb/$scale),$units[$ui]);

    }

    function write_summary()

    {

        global $summary,$top,$day,$hour,$month;

        $trx = $summary['totalrx']*1024+$summary['totalrxk'];

        $ttx = $summary['totaltx']*1024+$summary['totaltxk'];

        //

        // build array for write_data_table

        //

        $sum[0]['act'] = 1;

        $sum[0]['label'] = T('This hour');

        $sum[0]['rx'] = $hour[0]['rx'];

        $sum[0]['tx'] = $hour[0]['tx'];

        $sum[1]['act'] = 1;

        $sum[1]['label'] = T('This day');

        $sum[1]['rx'] = $day[0]['rx'];

        $sum[1]['tx'] = $day[0]['tx'];

        $sum[2]['act'] = 1;

        $sum[2]['label'] = T('This month');

        $sum[2]['rx'] = $month[0]['rx'];

        $sum[2]['tx'] = $month[0]['tx'];

        $sum[3]['act'] = 1;

        $sum[3]['label'] = T('All time');

        $sum[3]['rx'] = $trx;

        $sum[3]['tx'] = $ttx;

        write_data_table(T('Summary'), $sum);

        print "<br/>\n";

        write_data_table(T('Top 10 days'), $top);

    }

    function write_data_table($caption, $tab)

    {

        print "<table width=\"100%\" cellspacing=\"0\">\n";

        print "<caption>$caption</caption>\n";

        print "<tr>";

        print "<th class=\"label\" style=\"width:120px;\">&nbsp;</th>";

        print "<th class=\"label\">".T('In')."</th>";

        print "<th class=\"label\">".T('Out')."</th>";

        print "<th class=\"label\">".T('Total')."</th>";  

        print "</tr>\n";

        for ($i=0; $i<count($tab); $i++)

        {

            if ($tab[$i]['act'] == 1)

            {

                $t = $tab[$i]['label'];

                $rx = kbytes_to_string($tab[$i]['rx']);

                $tx = kbytes_to_string($tab[$i]['tx']);

                $total = kbytes_to_string($tab[$i]['rx']+$tab[$i]['tx']);

                $id = ($i & 1) ? 'odd' : 'even';

                print "<tr>";

                print "<td class=\"label_$id\">$t</td>";

                print "<td class=\"numeric_$id\">$rx</td>";

                print "<td class=\"numeric_$id\">$tx</td>";

                print "<td class=\"numeric_$id\">$total</td>";

                print "</tr>\n";

             }

        }

        print "</table>\n";

    }

    get_vnstat_data();

    //

    // html start

    //

    header('Content-type: text/html; charset=utf-8');

    print '<?xml version="1.0"?>';

?>        

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>

  <title>vnStat - PHP frontend</title>

  <link rel="stylesheet" type="text/css" href="themes/<?php echo $style ?>/style.css"/>

</head>

<body>

<div id="wrap">

  <div id="sidebar"><?php write_side_bar(); ?></div>

   <div id="content">

    <div id="header"><?php print T('Traffic data for')." $iface_title[$iface] ($iface)";?></div>

    <div id="main">

    <?php

    $graph_params = "if=$iface&page=$page&style=$style";

    if ($page != 's')

        if ($graph_format == 'svg') {

	     print "<object type=\"image/svg+xml\" width=\"692\" height=\"297\" data=\"graph_svg.php?$graph_params\"></object>\n";

        } else {

	     print "<img src=\"graph.php?$graph_params\" alt=\"graph\"/>\n";	

        }

    if ($page == 's')

    {

        write_summary();

    }

    else if ($page == 'h')

    {   

        write_data_table(T('Last 24 hours'), $hour); 

    }

    else if ($page == 'd')

    {

        write_data_table(T('Last 30 days'), $day);	

    }

    else if ($page == 'm')

    {

        write_data_table(T('Last 12 months'), $month);   

    }

    ?>

    </div>

    <div id="footer"><a href="http://www.sqweek.com/">vnStat PHP frontend</a> 1.5.1 - &copy;2006-2010 Bjorge Dijkstra (bjd _at_ jooz.net)</div>

  </div>

</div>

</body></html>