/// <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);
}
}
/// <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);
}
}