Fixed fail to ping IPv6 phpservermon#879 (phpservermon#880)

Fixes phpservermon#879.

.gitignore

@@ -10,3 +10,5 @@
 *.bak
 __MACOSX/
 .DS_Store
+.buildpath
+.settings/

src/psm/Util/Server/Updater/StatusUpdater.php

@@ -180,7 +180,12 @@ protected function updatePing($max_runs, $run = 1)
         }
         $result = null;
         // Execute ping
-        $txt = exec("ping -c " . $max_runs . " " . $this->server['ip'] . " 2>&1", $output);
+        $pingCommand = 'ping6';
+        $serverIp = $this->server['ip'];
+        if (filter_var($serverIp,FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === false){
+            $pingCommand = 'ping';
+        }        
+        $txt = exec($pingCommand . " -c " . $max_runs . " " . $serverIp . " 2>&1", $output);
         // Non-greedy match on filler
         $re1 = '.*?';
         // Uninteresting: float
@@ -192,7 +197,9 @@ protected function updatePing($max_runs, $run = 1)
         if (preg_match_all("/" . $re1 . $re2 . $re3 . $re4 . "/is", $txt, $matches)) {
             $result = $matches[1][0];
         }
-
+        if (substr($output[0],0,4) == 'PING' && strpos($output[count($output)-2],'packets transmitted')){
+            $result = 0;     
+        }        
         if (!is_null($result)) {
             $this->header = $output[0];
             $status = true;
@@ -225,7 +232,11 @@ protected function updateService($max_runs, $run = 1)
         // save response time
         $starttime = microtime(true);
 
-        $fp = @fsockopen($this->server['ip'], $this->server['port'], $errno, $this->error, $timeout);
+        $serverIp = $this->server['ip'];
+        if (filter_var($serverIp,FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false){
+            $serverIp = "[$serverIp]";
+        }
+        $fp = @fsockopen($serverIp, $this->server['port'], $errno, $this->error, $timeout);
 
         $status = ($fp === false) ? false : true;
         $this->rtime = (microtime(true) - $starttime);