protected function decode_point($point_node)
{
$t = array();
$t['lat'] = (double) $point_node->getAttribute('lat');
$t['lon'] = (double) $point_node->getAttribute('lon');
if (is_NaN($t['lat']) or is_NaN($t['lon'])) {
return false;
}
$timestr = $this->lookup_node($point_node, 'time')->nodeValue;
$D = new \DateTime($timestr);
$t['time'] = (int) $D->format('U');
$t['ele'] = (double) $this->lookup_node($point_node, 'ele')->nodeValue;
$t['speed'] = (double) $this->lookup_node($point_node, 'speed')->nodeValue;
return $t;
}
function interface_query($if)
{
global $config;
global $g;
//set data files for appropriate interface
$wandatalastfile = '/tmp/ifbwstats-' . $if . '.last';
$wandataallfile = '/tmp/ifbwstats-' . $if . '.data';
$wandatabackupfile = '/cf/conf/ifbwstats-' . $if . '.data';
//assume max is 4GB because of the 32bit counter wrap
$maxbytesin = 4294967296.0;
$maxbytesout = 4294967296.0;
//create (or clear if already used) variables
$wandatacurrent = array();
$wandatalast = array();
$wandataall = array();
//----------start modified code insert from ifstats.php----------
$ifinfo = array();
$ifinfo['hwif'] = $config['interfaces'][$if]['if'];
if (!$ifinfo['hwif']) {
$ifinfo['hwif'] = $if;
}
$ifinfo['if'] = $ifinfo['hwif'];
/* run netstat to determine link info */
$linkinfo = "";
unset($linkinfo);
exec("/usr/bin/netstat -I " . $ifinfo['hwif'] . " -nWb -f link", $linkinfo);
$linkinfo = preg_split("/\\s+/", $linkinfo[1]);
if (preg_match("/\\*\$/", $linkinfo[0])) {
$ifinfo['status'] = "down";
} else {
$ifinfo['status'] = "up";
}
if (preg_match("/^enc|^tun/i", $ifinfo['if'])) {
$ifinfo['inbytes'] = $linkinfo[5];
$ifinfo['outbytes'] = $linkinfo[8];
} else {
$ifinfo['inbytes'] = $linkinfo[6];
$ifinfo['outbytes'] = $linkinfo[9];
}
//----------end modified code insert from ifstats.php----------
//check for errors
if (file_exists($wandatalastfile) && $ifinfo['inbytes'] == 0 && $ifinfo['outbytes'] == 0) {
$ifinfo['status'] = "down";
}
if (is_NaN($ifinfo['inbytes']) || is_NaN($outinfo['inbytes'])) {
$ifinfo['status'] = "down";
}
if ($ifinfo['status'] == "up") {
$wandatacurrent[0] = $ifinfo['inbytes'];
$wandatacurrent[1] = $ifinfo['outbytes'];
if (file_exists($wandatalastfile)) {
//read last read file
$wandatalast = explode("|", file_get_contents($wandatalastfile));
} else {
$wandatalast = $wandatacurrent;
}
if (!is_numeric($wandatalast[0]) || is_NaN($wandatalast[1])) {
$wandatalast = $wandatacurrent;
}
$fp = fopen($wandatalastfile, "w") or die("Error Reading File");
fwrite($fp, $wandatacurrent[0] . '|' . $wandatacurrent[1]);
fclose($fp);
//account for 4gig counter reset
if ($wandatacurrent[0] < $wandatalast[0]) {
$inbytes = 4294967296.0 - $wandatalast[0] + $wandatacurrent[0];
} else {
$inbytes = $wandatacurrent[0] - $wandatalast[0];
}
if ($wandatacurrent[1] < $wandatalast[1]) {
$outbytes = 4294967296.0 - $wandatalast[1] + $wandatacurrent[1];
} else {
$outbytes = $wandatacurrent[1] - $wandatalast[1];
}
//check to make sure inbytes and outbytes are possible, if not, 0 both and erase last data as it may be corrupt
if ($inbytes < 0 || $inbytes > $maxbytesin || $outbytes < 0 || $outbytes > $maxbytesout) {
$inbytes = 0;
$outbytes = 0;
if (file_exists($wandatalastfile)) {
unlink($wandatalastfile);
}
}
$foundfile = 'null';
if (file_exists($wandataallfile)) {
$foundfile = $wandataallfile;
} else {
if (file_exists($wandatabackupfile)) {
$foundfile = $wandatabackupfile;
}
}
//if no file is found, create new data, else read file and add to existing data
if ($foundfile == 'null') {
$wanwritedata = date("Y-m-d") . '|' . $inbytes . '|' . $outbytes;
} else {
//read data file
$wandataall = explode("\n", file_get_contents($foundfile));
$n = count($wandataall);
//if last line of data date matchs current date, add to totals, else add new line
$dataset = explode("|", $wandataall[$n - 1]);
if ($dataset[0] == date("Y-m-d")) {
$dataset[1] = $dataset[1] + $inbytes;
$dataset[2] = $dataset[2] + $outbytes;
$wandataall[$n - 1] = $dataset[0] . '|' . $dataset[1] . '|' . $dataset[2];
} else {
$wandataall[$n] = date("Y-m-d") . '|' . $inbytes . '|' . $outbytes;
}
//number of data entries (days)
$n = count($wandataall);
//if more than three years worth of data, trim data to 4 years (1460 days)
$start = 0;
if ($n > 1460) {
$start = $n - 1460;
}
//generate file data to write
for ($i = $start; $i < $n - 1; $i++) {
$wanwritedata = $wanwritedata . $wandataall[$i] . "\n";
}
$wanwritedata = $wanwritedata . $wandataall[$n - 1];
}
//write data file
$fp = fopen($wandataallfile, "w") or die("Error Reading File");
fwrite($fp, $wanwritedata);
fclose($fp);
} else {
if (file_exists($wandatalastfile)) {
unlink($wandatalastfile);
}
}
}
