internal static Task <HubMethodResult> IncomingWrapped(IHubIncomingInvokerContext context)
{
var tcs = new TaskCompletionSource <HubMethodResult>();
Incoming(context).ContinueWith((t) =>
{
if (t.IsFaulted)
{
tcs.TrySetUnwrappedException(t.Exception);
}
else if (t.IsCanceled)
{
tcs.TrySetCanceled();
}
else
{
tcs.TrySetResult(HubMethodResult.Result(t.Result));
}
});
return(tcs.Task);
}
private Task ProcessResponse(StateChangeTracker tracker, HubMethodResult result, HubRequest request, Exception error)
{
var hubResult = new HubResponse
{
State = tracker.GetChanges(),
Id = request.Id,
};
if (result != null)
{
if (result.IsError)
{
hubResult.Error = result.Value;
}
else
{
hubResult.Result = result.Value;
}
}
else if (error != null)
{
_counters.ErrorsHubInvocationTotal.Increment();
_counters.ErrorsHubInvocationPerSec.Increment();
_counters.ErrorsAllTotal.Increment();
_counters.ErrorsAllPerSec.Increment();
if (_enableDetailedErrors)
{
var exception = error.InnerException ?? error;
hubResult.StackTrace = _isDebuggingEnabled ? exception.StackTrace : null;
hubResult.Error = exception.Message;
}
else
{
hubResult.Error = String.Format(CultureInfo.CurrentCulture, Resources.Error_HubInvocationFailed, request.Hub, request.Method);
}
}
return(Transport.Send(hubResult));
}
/// <summary>
/// This method is called after the incoming components of any modules added later to the <see cref="IHubPipeline"/>
/// and the server-side hub method have completed execution.
/// </summary>
/// <param name="result">The return value of the server-side hub method</param>
/// <param name="context">A description of the server-side hub method invocation.</param>
/// <returns>The possibly new or updated return value of the server-side hub method</returns>
protected virtual HubMethodResult OnAfterIncoming(HubMethodResult result, IHubIncomingInvokerContext context)
{
return(result);
}
/// <summary>
/// This method is called after the incoming components of any modules added later to the <see cref="IHubPipeline"/>
/// and the server-side hub method have completed execution.
/// </summary>
/// <param name="result">The return value of the server-side hub method</param>
/// <param name="context">A description of the server-side hub method invocation.</param>
/// <returns>The possibly new or updated return value of the server-side hub method</returns>
protected virtual HubMethodResult OnAfterIncoming(HubMethodResult result, IHubIncomingInvokerContext context)
{
return result;
}
