/
vnstat.php
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/
vnstat.php
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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.
//
//
// Valid values for other parameters you can pass to the script.
// Input parameters will always be limited to one of the values listed here.
// If a parameter is not provided or invalid it will revert to the default,
// the first parameter in the list.
//
if (isset($_SERVER['PHP_SELF']))
{
$script = $_SERVER['PHP_SELF'];
}
elseif (isset($_SERVER['SCRIPT_NAME']))
{
$script = $_SERVER['SCRIPT_NAME'];
}
else
{
die('can\'t determine script name!');
}
$page_list = array('s','h','d','m');
$graph_list = array('large','small','none');
$page_title['s'] = T('summary');
$page_title['h'] = T('hours');
$page_title['d'] = T('days');
$page_title['m'] = T('months');
//
// functions
//
function validate_input()
{
global $page, $page_list;
global $iface, $iface_list;
global $graph, $graph_list;
global $colorscheme, $style;
//
// get interface data
//
$page = isset($_GET['page']) ? $_GET['page'] : '';
$iface = isset($_GET['if']) ? $_GET['if'] : '';
$graph = isset($_GET['graph']) ? $_GET['graph'] : '';
$style = isset($_GET['style']) ? $_GET['style'] : '';
if (!in_array($page, $page_list))
{
$page = $page_list[0];
}
if (!in_array($iface, $iface_list))
{
$iface = $iface_list[0];
}
if (!in_array($graph, $graph_list))
{
$graph = $graph_list[0];
}
$tp = "./themes/$style";
if (!is_dir($tp) || !file_exists("$tp/theme.php") || !preg_match('/^[a-z0-9-_]+$/i', $style))
{
$style = DEFAULT_COLORSCHEME;
}
}
function get_vnstat_data($use_label=true)
{
global $iface, $vnstat_bin, $data_dir;
global $hour,$day,$month,$top,$summary;
if (!isset($vnstat_bin) || $vnstat_bin == '')
{
if (file_exists("$data_dir/vnstat_dump_$iface"))
{
$vnstat_data = file("$data_dir/vnstat_dump_$iface");
}
else
{
$vnstat_data = array();
}
}
else
{
$fd = popen("$vnstat_bin --dumpdb -i $iface", "r");
$buffer = '';
while (!feof($fd)) {
$buffer .= fgets($fd);
}
$vnstat_data = explode("\n", $buffer);
pclose($fd);
}
$day = array();
$hour = array();
$month = array();
$top = array();
if (strpos($vnstat_data[0], 'Error') !== false) {
return;
}
//
// extract data
//
foreach($vnstat_data as $line)
{
$d = explode(';', trim($line));
if ($d[0] == 'd')
{
$day[$d[1]]['time'] = $d[2];
$day[$d[1]]['rx'] = $d[3] * 1024 + $d[5];
$day[$d[1]]['tx'] = $d[4] * 1024 + $d[6];
$day[$d[1]]['act'] = $d[7];
if ($d[2] != 0 && $use_label)
{
$day[$d[1]]['label'] = strftime(T('datefmt_days'),$d[2]);
$day[$d[1]]['img_label'] = strftime(T('datefmt_days_img'), $d[2]);
}
elseif($use_label)
{
$day[$d[1]]['label'] = '';
$day[$d[1]]['img_label'] = '';
}
}
else if ($d[0] == 'm')
{
$month[$d[1]]['time'] = $d[2];
$month[$d[1]]['rx'] = $d[3] * 1024 + $d[5];
$month[$d[1]]['tx'] = $d[4] * 1024 + $d[6];
$month[$d[1]]['act'] = $d[7];
if ($d[2] != 0 && $use_label)
{
$month[$d[1]]['label'] = strftime(T('datefmt_months'), $d[2]);
$month[$d[1]]['img_label'] = strftime(T('datefmt_months_img'), $d[2]);
}
else if ($use_label)
{
$month[$d[1]]['label'] = '';
$month[$d[1]]['img_label'] = '';
}
}
else if ($d[0] == 'h')
{
$hour[$d[1]]['time'] = $d[2];
$hour[$d[1]]['rx'] = $d[3];
$hour[$d[1]]['tx'] = $d[4];
$hour[$d[1]]['act'] = 1;
if ($d[2] != 0 && $use_label)
{
$st = $d[2] - ($d[2] % 3600);
$et = $st + 3600;
$hour[$d[1]]['label'] = strftime(T('datefmt_hours'), $st).' - '.strftime(T('datefmt_hours'), $et);
$hour[$d[1]]['img_label'] = strftime(T('datefmt_hours_img'), $d[2]);
}
else if ($use_label)
{
$hour[$d[1]]['label'] = '';
$hour[$d[1]]['img_label'] = '';
}
}
else if ($d[0] == 't')
{
$top[$d[1]]['time'] = $d[2];
$top[$d[1]]['rx'] = $d[3] * 1024 + $d[5];
$top[$d[1]]['tx'] = $d[4] * 1024 + $d[6];
$top[$d[1]]['act'] = $d[7];
if($use_label)
{
$top[$d[1]]['label'] = strftime(T('datefmt_top'), $d[2]);
$top[$d[1]]['img_label'] = '';
}
}
else
{
$summary[$d[0]] = isset($d[1]) ? $d[1] : '';
}
}
rsort($day);
rsort($month);
rsort($hour);
}
?>