public void AddSubscription(ServerSideSubscription subscription)
{
lock (_lockObject)
{
_subscriptions.Add(subscription);
}
}
public void RemoveSubscription(ServerSideSubscription subscription)
{
lock (_lockObject)
{
_subscriptions.Remove(subscription);
}
}
private void HandleSubscribeCommand(StompFrame frame)
{
var id = frame.Headers[StompHeader.Id];
var destination = frame.Headers[StompHeader.Destination];
var ack = frame.Headers[StompHeader.Ack];
if (string.IsNullOrEmpty(id))
{
var errorFrame = StompFrameUtils.CreateMissingHeaderError(StompHeader.Id, frame);
SendFrame(errorFrame);
Disconnect();
return;
}
if (string.IsNullOrEmpty(destination))
{
var errorFrame = StompFrameUtils.CreateMissingHeaderError(StompHeader.Destination, frame);
SendFrame(errorFrame);
Disconnect();
return;
}
if (_subscriptions.ContainsKey(id))
{
var message = "Subscription already exists: " + id;
var errorFrame = StompFrameUtils.CreateErrorFrame(message, frame);
SendFrame(errorFrame);
Disconnect();
return;
}
var messageQueue = _serverData.FindMessageQueue(destination);
var subscription = new ServerSideSubscription(this, id, messageQueue, ack);
_subscriptions.Add(id, subscription);
SendReceiptIfNecessary(frame);
}