private void AssignMessageToHandler(ISubscription subs, IMessage message)
{
HandlerBundle bundle = ActiveHandlers.FirstOrDefault(b => b.Handler.CanAccept(subs, message).Success);
bool stateAcceptable = bundle.IsNull() || bundle.HostingTask.Status == TaskStatus.WaitingForActivation, reanimated = false;
// There is a handler that can accept the current subscription, but its task has ceased
// Reuse it to ensure no messages are lost
if (bundle.IsNotNull() && !stateAcceptable)
{
ActiveHandlers.Remove(bundle);
bundle.HostingTask.Wait();
// If the handler is blocked, we still allow this flow to proceed, as this places a message in the handler and the task immediately exits - but the message is preserved
bundle = CreateBundle(bundle.Handler, subs, message);
ActiveHandlers.Add(bundle);
reanimated = true;
Logger.LogInfo("Reanimated handler for (" + subs.Topic.Name + "," + subs.ChannelMonicker + ")");
}
bundle
.IsNull()
.IfTrue(() => CreateNewHandler(subs, message))
.IfFalse(() => { if (!reanimated)
{
bundle.Handler.Accept(subs, message);
}
});
}
