Wireguard: added statistics

plugins/dynamix/include/update.wireguard.php

@@ -11,6 +11,9 @@
  */
 ?>
 <?
+$docroot = $docroot ?? $_SERVER['DOCUMENT_ROOT'] ?: '/usr/local/emhttp';
+require_once "$docroot/webGui/include/Helpers.php";
+
 switch ($_POST['#case']) {
 case 'keypair':
   $private = '/var/tmp/privatekey';
@@ -42,5 +45,21 @@ case 'toggle':
   if ($wg=='stop') exec("wg-quick down $port 2>/dev/null");
   if ($wg=='start') exec("wg-quick up $port 2>/dev/null");
   break;
+case 'stats':
+  $port = $_POST['#port'];
+  $now = time(); $i = 0;
+  exec('wg show all latest-handshakes',$shake);
+  exec('wg show all transfer',$data);
+  $reply = $span = [];
+  foreach ($shake as $row) {
+    list($wg,$id,$time) = preg_split('/\s+/',$row);
+    if ($wg == $port) $span[] = $time ? $now - $time : 0;
+  }
+  foreach ($data as $row) {
+    list($wg,$id,$tx,$rx) = preg_split('/\s+/',$row);
+    if ($wg == $port) $reply[] = $span[$i++].';'.my_scale($rx,$unit,null,-1)." $unit;".my_scale($tx,$unit,null,-1)." $unit";
+  }
+  echo implode("\0",$reply);
+  break;
 }
 ?>