public IList GetSubscribers(IMessage message, bool evalSelector)
{
lock (_objLock)
{
bool filter = true;
if (message.headers == null || message.headers.Count == 0)
{
filter = false;
}
if (!filter)
{
return(GetSubscribers());
}
else
{
Subtopic subtopic = null;
if (message.headers.ContainsKey(AsyncMessage.SubtopicHeader))
{
subtopic = new Subtopic(message.headers[AsyncMessage.SubtopicHeader] as string);
MessagingAdapter messagingAdapter = _messageDestination.ServiceAdapter as MessagingAdapter;
if (messagingAdapter != null)
{
if (!messagingAdapter.AllowSend(subtopic))
{
return(null);
}
}
}
ArrayList subscribers = new ArrayList();
foreach (MessageClient messageClient in _subscribers.Values)
{
bool include = true;
if (subtopic != null && messageClient.Subtopic != null)
{
include = include && subtopic.Matches(messageClient.Subtopic);
}
if (messageClient.Selector != null && evalSelector)
{
include = include && messageClient.Selector.Evaluate(null, message.headers);
}
if (include)
{
subscribers.Add(messageClient.ClientId);
}
}
return(subscribers);
}
}
}
public MessageClient AddSubscriber(string clientId, string endpointId, Subtopic subtopic, Selector selector)
{
lock (_objLock)
{
if (subtopic != null)
{
MessagingAdapter messagingAdapter = _messageDestination.ServiceAdapter as MessagingAdapter;
if (messagingAdapter != null)
{
if (!messagingAdapter.AllowSubscribe(subtopic))
{
ASObject aso = new ASObject();
aso["subtopic"] = subtopic.Value;
throw new MessageException(aso);
}
}
}
if (!_subscribers.Contains(clientId))
{
//Set in RtmpService
MessageClient messageClient = new MessageClient(clientId, _messageDestination, endpointId);
messageClient.Subtopic = subtopic;
messageClient.Selector = selector;
messageClient.AddSubscription(selector, subtopic);
AddSubscriber(messageClient);
messageClient.NotifyCreatedListeners();
return(messageClient);
}
else
{
MessageClient messageClient = _subscribers[clientId] as MessageClient;
IClient client = FluorineContext.Current.Client;
if (client != null && !client.Id.Equals(messageClient.Client.Id))
{
throw new MessageException("Duplicate subscriptions from multiple Flex Clients");
}
//Reset the endpoint push state for the subscription to make sure its current because a resubscribe could be arriving over a new endpoint or a new session.
messageClient.ResetEndpoint(endpointId);
return(messageClient);
}
}
}
