protected override void OnMessageReceived(JSONNode message)
{
// We have to handle progress updates first in order to ensure old clients that receive
// progress updates enter the return value branch and then no-op when they can't find
// the callback in the map (because the message["I"[ value will not be a valid callback ID)
if (message["P"] != null)
{
var result = HubResult.FromJson(message);
Action <HubResult> callback;
lock (_callbacks)
{
if (!_callbacks.TryGetValue(result.ProgressUpdate.Id, out callback))
{
Trace(TraceLevels.Messages, "Callback with id " + result.ProgressUpdate.Id + " not found!");
}
}
callback?.Invoke(result);
}
else if (message["I"] != null)
{
var result = HubResult.FromJson(message);
Action <HubResult> callback;
lock (_callbacks)
{
if (_callbacks.TryGetValue(result.Id, out callback))
{
_callbacks.Remove(result.Id);
}
else
{
Trace(TraceLevels.Messages, "Callback with id " + result.Id + " not found!");
}
}
if (callback != null)
{
callback(result);
}
}
else
{
var invocation = HubInvocation.FromJson(message);
HubProxy hubProxy;
if (_hubs.TryGetValue(invocation.Hub, out hubProxy))
{
if (invocation.State != null)
{
foreach (var state in invocation.State)
{
hubProxy[state.Key] = state.Value;
}
}
hubProxy.InvokeEvent(invocation.Method, invocation.Args);
}
base.OnMessageReceived(message);
}
}
