// 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]