Maybe right place here? Maybe total rewrite!
authorRoland Haeder <roland@mxchange.org>
Tue, 6 Oct 2015 18:40:49 +0000 (20:40 +0200)
committerRoland Haeder <roland@mxchange.org>
Tue, 6 Oct 2015 18:40:49 +0000 (20:40 +0200)
Signed-off-by: Roland H├Ąder <roland@mxchange.org>
inc/main/classes/class_BaseFrameworkSystem.php

index 74d9223..66473a4 100644 (file)
@@ -3436,6 +3436,73 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
                // Return result
                return $stateName;
        }
+
+       /**
+        * Handles socket error for given socket resource and peer data. This method
+        * validates $socketResource if it is a valid resource (see is_resource())
+        * but assumes valid data in array $recipientData, except that
+        * count($recipientData) is always 2.
+        *
+        * @param       $method                         Value of __METHOD__ from calling method
+        * @param       $line                           Value of __LINE__ from calling method
+        * @param       $socketResource         A valid socket resource
+        * @param       $socketData                     A valid socket data array (0 = IP/file name, 1 = port)
+        * @return      void
+        * @throws      InvalidSocketException  If $socketResource is no socket resource
+        * @throws      NoSocketErrorDetectedException  If socket_last_error() gives zero back
+        */
+       protected final function handleSocketError ($method, $line, $socketResource, array $socketData) {
+               // This method handles only socket resources
+               if (!is_resource($socketResource)) {
+                       // No resource, abort here
+                       throw new InvalidSocketException(array($this, $socketResource), BaseListener::EXCEPTION_INVALID_SOCKET);
+               } // END - if
+
+               // Check socket array, 1st element is mostly IP address (or file name), 2nd is port number
+               //* DEBUG-DIE: */ die(__METHOD__ . ':socketData=' . print_r($socketData, TRUE));
+               assert(isset($socketData[0]));
+               assert(isset($socketData[1]));
+
+               // Get error code for first validation (0 is not an error)
+               $errorCode = socket_last_error($socketResource);
+
+               // If the error code is zero, someone called this method without an error
+               if ($errorCode == 0) {
+                       // No error detected (or previously cleared outside this method)
+                       throw new NoSocketErrorDetectedException(array($this, $socketResource), BaseListener::EXCEPTION_NO_SOCKET_ERROR);
+               } // END - if
+
+               // Get handler (method) name
+               $handlerName = $this->getSocketErrorHandlerFromCode($errorCode);
+
+               // Call-back the error handler method
+               call_user_func_array(array($this, $handlerName), array($socketResource, $socketData));
+
+               // Finally clear the error because it has been handled
+               socket_clear_error($socketResource);
+       }
+
+       /**
+        * Constructs a callable method name from given socket error code. If the
+        * method is not found, a generic one is used.
+        *
+        * @param       $errorCode              Error code from socket_last_error()
+        * @return      $handlerName    Call-back method name for the error handler
+        * @throws      UnsupportedSocketErrorHandlerException If the error handler is not implemented
+        */
+       protected function getSocketErrorHandlerFromCode ($errorCode) {
+               // Create a name from translated error code
+               $handlerName = 'socketError' . self::convertToClassName($this->translateSocketErrorCodeToName($errorCode)) . 'Handler';
+
+               // Is the call-back method there?
+               if (!method_exists($this, $handlerName)) {
+                       // Please implement this
+                       throw new UnsupportedSocketErrorHandlerException(array($this, $handlerName, $errorCode), BaseConnectionHelper::EXCEPTION_UNSUPPORTED_ERROR_HANDLER);
+               } // END - if
+
+               // Return it
+               return $handlerName;
+       }
 }
 
 // [EOF]