Beispiel #1
0
        /// <summary>
        /// Handles MessageReceived event.
        /// All messages received from all controllers comes to this method.
        /// </summary>
        /// <param name="sender">Sender object</param>
        /// <param name="e">Event arguments</param>
        private void NGRIDController_MessageReceived(object sender, MessageReceivedFromRemoteApplicationEventArgs e)
        {
            try
            {
                //Response to Ping messages
                if ((e.Message.MessageTypeId == NGRIDMessageFactory.MessageTypeIdNGRIDPingMessage) && string.IsNullOrEmpty(e.Message.RepliedMessageId))
                {
                    //Reply ping message
                    SendMessage(new NGRIDPingMessage { RepliedMessageId = e.Message.MessageId }, e.Communicator);
                    return;
                }

                //Do not process messages other than NGRIDControllerMessage
                if (e.Message.MessageTypeId != NGRIDMessageFactory.MessageTypeIdNGRIDControllerMessage)
                {
                    return;
                }

                //Cast message to NGRIDControllerMessage
                var controllerMessage = e.Message as NGRIDControllerMessage;
                if (controllerMessage == null)
                {
                    return;
                }

                //Create (deserialize) ControlMessage from MessageData of controllerMessage object
                var controlMessage = NGRIDSerializationHelper.DeserializeFromByteArray(
                    () =>
                    ControlMessageFactory.CreateMessageByTypeId(controllerMessage.ControllerMessageTypeId),
                    controllerMessage.MessageData);

                //Process message
                ProcessControllerMessage(e.Communicator, controllerMessage, controlMessage);
            }
            catch (Exception ex)
            {
                Logger.Warn(ex.Message, ex);
            }
        }
Beispiel #2
0
        /// <summary>
        /// This method is handles all adjacent server's and client application's MessageReceived events.
        /// </summary>
        /// <param name="sender">Creator of event</param>
        /// <param name="e">Event arguments</param>
        private void RemoteApplication_MessageReceived(object sender, MessageReceivedFromRemoteApplicationEventArgs e)
        {
            try
            {
                //Incoming data transfer message request
                if (e.Message.MessageTypeId == NGRIDMessageFactory.MessageTypeIdNGRIDDataTransferMessage)
                {
                    //Get, check and process message
                    var dataTransferMessage = e.Message as NGRIDDataTransferMessage;
                    ProcessDataTransferMessage(e.Application as NGRIDPersistentRemoteApplicationBase, e.Communicator, dataTransferMessage);
                }
                //Incoming delivery result (ACK/Reject message)
                else if ((e.Message.MessageTypeId == NGRIDMessageFactory.MessageTypeIdNGRIDOperationResultMessage) && 
                    (!string.IsNullOrEmpty(e.Message.RepliedMessageId)))
                {
                    //Find and send signal/pulse to waiting thread for this message
                    WaitingMessage waitingMessage = null;
                    lock (_waitingMessages)
                    {
                        if (_waitingMessages.ContainsKey(e.Message.RepliedMessageId))
                        {
                            waitingMessage = _waitingMessages[e.Message.RepliedMessageId];
                        }
                    }

                    if(waitingMessage != null)
                    {
                        waitingMessage.ResponseMessage = e.Message as NGRIDOperationResultMessage;
                        waitingMessage.WaitEvent.Set();
                    }
                }
                //Incoming Ping message
                else if ((e.Message.MessageTypeId == NGRIDMessageFactory.MessageTypeIdNGRIDPingMessage) && 
                    string.IsNullOrEmpty(e.Message.RepliedMessageId))
                {
                    //Reply ping message
                    e.Application.SendMessage(new NGRIDPingMessage {RepliedMessageId = e.Message.MessageId},
                                              e.Communicator);
                }
            }
            catch (Exception ex)
            {
                Logger.Warn(ex.Message, ex);
            }
        }