private void DestroyInternal()
{
//Are we shutting down clean if so write 'nice shutdown' cookie
if (DynamoModel.IsCrashing)
{
StabilityCookie.WriteCrashingShutdown();
}
else
{
StabilityCookie.WriteCleanShutdown();
}
System.Diagnostics.Debug.WriteLine("Heartbeat Destory Internal called");
shutdownEvent.Set(); // Signal the shutdown event...
// TODO: Temporary comment out this Join statement. It currently
// causes Dynamo to go into a deadlock when it is shutdown for the
// second time on Revit (that's when the HeartbeatThread is trying
// to call 'GetStringRepOfWorkspaceSync' below (the method has no
// chance of executing, and therefore, will never return due to the
// main thread being held up here waiting for the heartbeat thread
// to end).
//
// heartbeatThread.Join(); // ... wait for thread to end.
heartbeatThread = null;
}
private Heartbeat(DynamoModel dynamoModel)
{
// KILLDYNSETTINGS - this is provisional - but we need to enforce that Hearbeat is
// not referencing multiple DynamoModels
this.dynamoModel = dynamoModel;
StabilityCookie.Startup();
startTime = DateTime.Now;
heartbeatThread = new Thread(this.ExecThread);
heartbeatThread.IsBackground = true;
heartbeatThread.Start();
}
private void ExecThread()
{
Thread.Sleep(WARMUP_DELAY_MS);
while (true)
{
try
{
StabilityCookie.WriteUptimeBeat(DateTime.Now.Subtract(startTime));
//Disable heartbeat to avoid 150 event/session limit
//InstrumentationLogger.LogAnonymousEvent("Heartbeat", "ApplicationLifeCycle", GetVersionString());
String usage = PackFrequencyDict(ComputeNodeFrequencies());
String errors = PackFrequencyDict(ComputeErrorFrequencies());
InstrumentationLogger.LogPiiInfo("Node-usage", usage);
InstrumentationLogger.LogPiiInfo("Nodes-with-errors", errors);
dynamoModel.OnRequestDispatcherInvoke(
() =>
{
string workspace =
dynamoModel.CurrentWorkspace
.GetStringRepOfWorkspace();
InstrumentationLogger.LogPiiInfo("Workspace", workspace);
});
}
catch (Exception e)
{
Debug.WriteLine("Exception in Heartbeat " + e);
}
// The following call will return "true" if the event is
// signaled, which can only happen when "DestroyInternal"
// is called as the application is shutting down. Otherwise,
// when the wait time ellapsed, the loop continues to log
// the next set of information.
//
if (shutdownEvent.WaitOne(HEARTBEAT_INTERVAL_MS))
{
break;
}
}
}