/// <summary>
/// Connects and registers to MDS server.
/// </summary>
private void ConnectAndRegister()
{
_communicationChannel.Connect();
try
{
var registerMessage = new MDSRegisterMessage
{
CommunicationWay = _communicationChannel.CommunicationWay,
CommunicatorType = CommunicatorTypes.Application,
Name = ApplicationName,
Password = ""
};
var reply = SendAndWaitForReply(
registerMessage,
MDSMessageFactory.MessageTypeIdMDSOperationResultMessage,
30000) as MDSOperationResultMessage;
if (reply == null)
{
throw new MDSException("Can not send register message to the server.");
}
if (!reply.Success)
{
CloseCommunicationChannel();
throw new MDSException("Can not register to server. Detail: " + (reply.ResultText ?? ""));
}
//reply.ResultText must be CommunicatorId if successfully registered.
_communicationChannel.ComminicatorId = Convert.ToInt64(reply.ResultText);
}
catch (MDSTimeoutException)
{
CloseCommunicationChannel();
throw new MDSTimeoutException("Timeout occured. Can not registered to MDS server.");
}
}
/// <summary>
/// Processes MDSRegisterMessage objects.
/// </summary>
/// <param name="communicator">Sender communicator of message</param>
/// <param name="message">Message</param>
private void ProcessRegisterMessage(ICommunicator communicator, MDSRegisterMessage message)
{
//Set the communicator properties
communicator.CommunicationWay = message.CommunicationWay;
MDSRemoteApplication remoteApplication = null;
//Find remote application
lock (_remoteApplications)
{
foreach (var app in _remoteApplications.Values)
{
if (app.Name == message.Name && message.CommunicatorType == app.CommunicatorType)
{
remoteApplication = app;
break;
}
}
}
//If application is found...
if (remoteApplication != null)
{
try
{
//Add communicator to communicator list of remote application
remoteApplication.AddCommunicator(communicator);
//Remove communicator from tempoary communicators list.
RemoveFromCommunicators(communicator.ComminicatorId);
//Send success message to remote application
SendOperationResultMessage(communicator, true, communicator.ComminicatorId.ToString(), message.MessageId);
}
catch (Exception ex)
{
Logger.Warn(ex.Message, ex);
//An error occured, send failed message to remote application
SendOperationResultMessage(communicator, false, ex.Message, message.MessageId);
communicator.Stop(false);
}
}
else //application == null
{
//Stop communicator, because a remote application can not connect this server that is not defined in settings file
SendOperationResultMessage(communicator, false, "No remote application found with name: " + message.Name, message.MessageId);
communicator.Stop(false);
}
}
