first commit

ZeedFramework/library/Zeed/Task/Locker.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * Playcool Project
+ *
+ * LICENSE
+ *
+ * http://www.playcool.com/license/ice
+ *
+ * @category   ICE
+ * @package    ChangeMe
+ * @subpackage ChangeMe
+ * @copyright  Copyright (c) 2008 Zeed Technologies PRC Inc. (http://www.inews.com.cn)
+ * @author     xSharp ( GTalk: xSharp@gmail.com )
+ * @since      2009-11-19
+ * @version    SVN: $Id$
+ */
+
+/**
+ * @author iNewS6
+ */
+class Zeed_Task_Locker
+{
+    private $_sock;
+    
+    /**
+     * Lock a port from port list
+     *
+     * @param String|Integer $ports
+     * @return Mixed Locked port,FALSE if locked none
+     */
+    public function lock($ports, $address = '127.0.0.1')
+    {
+        $ports = explode(",", $ports);
+        $port = 0;
+        if (($this->_sock = @socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === false) {
+            return false;
+        }
+        foreach ($ports as $p) {
+            if (@socket_bind($this->_sock, $address, (int) $p) === false) {
+                continue;
+            } else {
+                $port = $p;
+                break;
+            }
+        }
+        if ($port == 0)
+            return false;
+        if (@socket_listen($this->_sock, 5) === false) {
+            return false;
+        }
+        return $port;
+    }
+    
+    /**
+     * Release locker
+     */
+    public function unlock()
+    {
+        if ($this->_sock !== false)
+            @socket_close($this->_sock);
+    }
+}
+
+// End ^ LF ^ UTF-8