public async Task PublishAsync(BaseSubscription subscription, BaseMethod method)
{
await _hubContext
.Clients
.Group(subscription.GetSubscriptionString())
.SendCoreAsync(method.GetName(), method.GetArgs());
}
public SubscriptionToken Subscribe <TMessage>(Action <TMessage> action,
ReferenceType referenceType = ReferenceType.Weak,
SubscriptionPriority priority = SubscriptionPriority.Normal, string tag = null) where TMessage : Message
{
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
BaseSubscription subscription = BuildSubscription(action, referenceType, priority, tag);
return(SubscribeInternal(action, subscription));
}
public override Task <BaseResponse> Handle(InfoWebSocketConnection infoWebSocket, SubscribeCommand command)
{
if (command.Subscriptions == null || command.Subscriptions.Count < 1)
{
throw new BadRequestException("At least one subscription must be specified.");
}
foreach (var subsName in command.Subscriptions)
{
infoWebSocket.AddSubscription(SubscriptionsManager.GetOrAddSubscription(BaseSubscription.GetBySubscriptionName(subsName)));
}
return(Task.FromResult((BaseResponse) new SuccesResponse()));
}
private SubscriptionToken SubscribeInternal <TMessage>(Action <TMessage> action, BaseSubscription subscription)
where TMessage : Message
{
if (!_subscriptions.TryGetValue(typeof(TMessage), out var messageSubscriptions))
{
messageSubscriptions = new ConcurrentDictionary <Guid, BaseSubscription>();
_subscriptions[typeof(TMessage)] = messageSubscriptions;
}
#if DEBUG
Debug.WriteLine($"Adding subscription {subscription.Id} for {typeof(TMessage).Name}");
#endif
messageSubscriptions[subscription.Id] = subscription;
Task.Run(async() => await PublishSubscriberChangedMessage <TMessage>(messageSubscriptions));
return(new SubscriptionToken(subscription.Id, async() => await UnsubscribeInternal <TMessage>(subscription.Id), action));
}
public async Task UnsubscribeAsync(string connectionId, BaseSubscription subscription)
{
await _hubContext.Groups.RemoveFromGroupAsync(connectionId, subscription.GetSubscriptionString());
}
