public virtual Task SubscribeAsync(IUnsubscribable item)
{
lock (_subscriptions)
{
if (_webSocket.State == WebSocketState.Closed)
{
return(item.OnUnsubscribeAsync(CancellationToken.None));
}
if (_subscriptions.ContainsKey(item.CommandId))
{
throw new InvalidOperationException("Item with id already subscribed");
}
_subscriptions.Add(item.CommandId, item);
}
return(Task.CompletedTask);
}
Task IWebSocketTunnel.SubscribeAsync(IUnsubscribable item)
{
return(_session.SubscribeAsync(item));
}