/// <summary>
/// Sends a ControlMessage to NGRID server and gets it's response message.
/// </summary>
/// <param name="message">Message to send</param>
/// <returns>Response message from server</returns>
public ControlMessage SendMessageAndGetResponse(ControlMessage message)
{
//Create a WaitingMessage to wait and get response message and add it to waiting messages
var outgoingMessage = new NGRIDControllerMessage
{
MessageData = NGRIDSerializationHelper.SerializeToByteArray(message),
ControllerMessageTypeId = message.MessageTypeId
};
var waitingMessage = new WaitingMessage();
lock (_waitingMessages)
{
_waitingMessages[outgoingMessage.MessageId] = waitingMessage;
}
try
{
//Send message to the server
SendMessageInternal(outgoingMessage);
//Wait until thread is signalled by another thread to get response (Signalled by CommunicationChannel_MessageReceived method)
waitingMessage.WaitEvent.WaitOne(TimeSpan.FromSeconds(90));
//Check if response received or timeout occured
if(waitingMessage.ResponseMessage == null)
{
throw new NGRIDException("Timeout occured. Response message did not received.");
}
return DeserializeControlMessage(waitingMessage.ResponseMessage);
}
finally
{
//Remove message from waiting messages
lock (_waitingMessages)
{
if (_waitingMessages.ContainsKey(outgoingMessage.MessageId))
{
_waitingMessages.Remove(outgoingMessage.MessageId);
}
}
}
}
/// <summary>
/// Sends a ControlMessage to NGRID server.
/// </summary>
/// <param name="message">Message to send</param>
public void SendMessage(ControlMessage message)
{
SendMessageInternal(new NGRIDControllerMessage
{
MessageData = NGRIDSerializationHelper.SerializeToByteArray(message),
ControllerMessageTypeId = message.MessageTypeId
});
}
/// <summary>
/// Sends a message to a spesific communicator as a reply to an incoming message.
/// </summary>
/// <param name="communicator">Communicator to send message</param>
/// <param name="message">Message to send</param>
/// <param name="incomingMessage">Incoming message which is being replied</param>
private void ReplyMessageToCommunicator(ICommunicator communicator, ControlMessage message, NGRIDControllerMessage incomingMessage)
{
//Create NGRIDControllerMessage that includes serialized GetApplicationListResponseMessage message
var outgoingMessage = new NGRIDControllerMessage
{
ControllerMessageTypeId = message.MessageTypeId,
MessageData = NGRIDSerializationHelper.SerializeToByteArray(message),
RepliedMessageId = incomingMessage.MessageId
};
//Send message to communicator that sent to message
SendMessage(outgoingMessage, communicator);
}
/// <summary>
/// Sends a ControlMessage to all connected NGRIDController instances.
/// </summary>
/// <param name="message">Message to send</param>
private void SendMessageToAllReceivers(ControlMessage message)
{
var outgoingMessage = new NGRIDControllerMessage
{
ControllerMessageTypeId = message.MessageTypeId,
MessageData = NGRIDSerializationHelper.SerializeToByteArray(message)
};
var receivers = GetAllReceiverCommunicators();
foreach (var receiver in receivers)
{
try
{
SendMessage(outgoingMessage, receiver);
}
catch (Exception ex)
{
Logger.Warn(ex.Message, ex);
}
}
}
/// <summary>
/// This methods checks type of message (MessageTypeId) and calls appropriate method to process message.
/// </summary>
/// <param name="communicator">Communicator that sent message</param>
/// <param name="controllerMessage">NGRIDControllerMessage object that includes controlMessage</param>
/// <param name="controlMessage">The message to be processed</param>
private void ProcessControllerMessage(ICommunicator communicator, NGRIDControllerMessage controllerMessage , ControlMessage controlMessage)
{
switch (controlMessage.MessageTypeId)
{
case ControlMessageFactory.MessageTypeIdGetApplicationListMessage:
ProcessGetApplicationListMessage(communicator, controllerMessage);
break;
case ControlMessageFactory.MessageTypeIdAddNewApplicationMessage:
ProcessAddNewApplicationMessage(controlMessage as AddNewApplicationMessage);
break;
case ControlMessageFactory.MessageTypeIdRemoveApplicationMessage:
ProcessRemoveApplicationMessage(communicator, controlMessage as RemoveApplicationMessage, controllerMessage);
break;
case ControlMessageFactory.MessageTypeIdGetServerGraphMessage:
ProcessGetServerGraphMessage(communicator, controllerMessage);
break;
case ControlMessageFactory.MessageTypeIdUpdateServerGraphMessage:
ProcessUpdateServerGraphMessage(communicator, controlMessage as UpdateServerGraphMessage, controllerMessage);
break;
case ControlMessageFactory.MessageTypeIdGetApplicationWebServicesMessage:
ProcessGetApplicationWebServicesMessage(communicator, controlMessage as GetApplicationWebServicesMessage, controllerMessage);
break;
case ControlMessageFactory.MessageTypeIdUpdateApplicationWebServicesMessage:
ProcessUpdateApplicationWebServicesMessage(communicator, controlMessage as UpdateApplicationWebServicesMessage, controllerMessage);
break;
default:
throw new NGRIDException("Undefined MessageTypeId for ControlMessage: " + controlMessage.MessageTypeId);
}
}
/// <summary>
/// Creates a ControlMessageReceivedEventArgs object.
/// </summary>
/// <param name="message">Received message from NGRID server</param>
public ControlMessageReceivedEventArgs(ControlMessage message)
{
Message = message;
}
