private void RemoveFrontEnd(AppFrontEnd frontEnd)
{
Debug.Assert(frontEnd != null, "front end should not be null");
lock (this.SyncRoot)
{
m_frontEnds.Remove(frontEnd);
}
}
public CallbackManager(AppFrontEnd appFrontEnd)
: base(appFrontEnd.AppPlatform)
{
m_appFrontEnd = appFrontEnd;
m_cleanupTimer = new Timer(m_cleanupIntervalSpan.TotalMilliseconds);
m_cleanupTimer.AutoReset = true;
m_cleanupTimer.Elapsed += this.CleanupElapsed;
m_pendingRequests = new LinkedList <CallbackRequest>();
}
private void ShutdownFrontEnd(AsyncTask task, object state)
{
task.DoOneStep(
delegate()
{
AppFrontEnd frontEnd = (AppFrontEnd)state;
this.Logger.Log(Logger.LogLevel.Info, String.Format("Sutting down FrontEnd {0}.", frontEnd.Endpoint.OwnerUri));
frontEnd.BeginShutdown(
delegate(IAsyncResult ar)
{
task.DoFinalStep(
delegate()
{
frontEnd.EndShutdown(ar);
this.Logger.Log(Logger.LogLevel.Info, String.Format("FrontEnd {0} shutdown.", frontEnd.Endpoint.OwnerUri));
});
},
null);
});
}
private void ApplicationEndpointOwnerDiscovered(object sender, ApplicationEndpointSettingsDiscoveredEventArgs e)
{
AppFrontEnd frontEnd = null;
if (this.IsTerminatingTerminated)
{
return;
}
lock (this.SyncRoot)
{
this.Logger.Log(Logger.LogLevel.Info, "A new endpoint was detected : " + e.ApplicationEndpointSettings.OwnerUri);
frontEnd = new AppFrontEnd(this, e.ApplicationEndpointSettings);
this.AddFrontEnd(frontEnd);
}
Debug.Assert(frontEnd != null, "frontEnd should not be null");
try
{
frontEnd.BeginStartup(
ar =>
{
try
{
frontEnd.EndStartup(ar);
}
catch (RealTimeException ex)
{
this.Logger.Log(Logger.LogLevel.Error, "Failed to start front end : ", ex);
this.RemoveFrontEnd(frontEnd);
}
}, null);
}
catch (InvalidOperationException ex)
{
this.Logger.Log(Logger.LogLevel.Error, "Failed to start front end : ", ex);
this.RemoveFrontEnd(frontEnd);
}
}