/// <summary>
/// This method handles ACK/Reject messages from remote application for a data transfer message.
/// </summary>
/// <param name="communicator">Communicator that sent message</param>
/// <param name="operationResultMessage">Response message</param>
protected override void OnResponseReceived(ICommunicator communicator, NGRIDOperationResultMessage operationResultMessage)
{
base.OnResponseReceived(communicator, operationResultMessage);
EvaluateResponse(communicator, operationResultMessage, null);
}
/// <summary>
/// This method evaluates ACK/Reject messages from remote application for a data transfer message.
/// </summary>
/// <param name="communicator">Communicator that sent message</param>
/// <param name="operationResultMessage">Response message</param>
/// <param name="waitingMessage">Waiting message for this response (may be null, if it is null, it is searched in _waitingMessages list)</param>
private void EvaluateResponse(ICommunicator communicator, NGRIDOperationResultMessage operationResultMessage, WaitingMessage waitingMessage)
{
lock (_waitingMessages)
{
//If waitingMessage argument is not supplied, find waiting message from _waitingMessages list
if (waitingMessage == null)
{
foreach (var wMessage in _waitingMessages)
{
if (wMessage.State == WaitingMessage.WaitingMessageStates.WaitingForAcknowledgment &&
wMessage.MessageRecord.MessageId == operationResultMessage.RepliedMessageId)
{
waitingMessage = wMessage;
break;
}
}
//If there is not message that waits for this response, just exit from method..
if (waitingMessage == null)
{
return;
}
}
//If message is stored to database in this server
if (waitingMessage.MessageRecord.Id >= 0)
{
if (operationResultMessage.Success)
{
//If message is persistent (Stored on database), remove from database.
if (waitingMessage.MessageRecord.Id > 0)
{
StorageManager.RemoveMessage(waitingMessage.MessageRecord.Id);
}
//Remove from list
_waitingMessages.Remove(waitingMessage);
//Reset _waitingTimeOnError (because this is a success situation)
_waitingTimeOnError = FirstWaitingTimeOnError;
}
else
{
//Set message state as 'ready to send' again. Thus, message is added to send queue again.
waitingMessage.State = WaitingMessage.WaitingMessageStates.ReadyToSend;
//Pulse if a thread waiting in ProcessWaitingMessageRecords method
Monitor.PulseAll(_waitingMessages);
}
}
//If message is not stored to database in this server
else
{
//Remove from list
_waitingMessages.Remove(waitingMessage);
}
Logger.Debug("EvaluateResponse - WaitingMessages.Count = " + _waitingMessages.Count + ", Application = " + Name);
}
//If it is not stored message..
if (waitingMessage.MessageRecord.Id < 0)
{
//Create event to send response message to upper layers
OnMessageReceived(this, new MessageReceivedFromCommunicatorEventArgs
{
Communicator = communicator,
Message = operationResultMessage
});
}
}
protected virtual void OnResponseReceived(ICommunicator communicator, NGRIDOperationResultMessage operationResultMessage)
{
//No action
}