/// <summary>
/// Send a port deregisterd message to all active modules
/// </summary>
/// <param name="port"></param>
/// <param name="owner"></param>
public void BroadcastPortDeregistration(VPort port, VModule owner)
{
Dictionary<String, SafeThread> listOfThreads = new Dictionary<string, SafeThread>() ;
lock (this)
{
foreach (VModule module in runningModules.Keys)
{
if (!module.Equals(owner))
{
//***< Thread that monitors and timesout the port deregistered thread
SafeThread mPortDeregThreadControl = new SafeThread(delegate()
{
//***< Thread that invokes port deregistered on the module
SafeThread mPortDeregThread = new SafeThread(delegate()
{
InvokePortDeregistered(module, port);
}, module + ".PortDeregistered(" + port + ")", logger);
//***>
mPortDeregThread.Start();
mPortDeregThread.Join(TimeSpan.FromMilliseconds(Settings.MaxPortDeregisteredExecutionTime));
try
{
if (mPortDeregThread.IsAlive())
mPortDeregThread.Abort();
}
catch (Exception)
{
//The PortDeregistered() calls when aborted (if so) will raise an exception
}
} , module + ".PortDeregistered(" + port + ") - Control" , logger);
//***
listOfThreads[mPortDeregThreadControl.Name()] = mPortDeregThreadControl; //store the list because we want to wait on these later
mPortDeregThreadControl.Start();
}
}
}
foreach (SafeThread t in listOfThreads.Values)
{
t.Join();
}
}
private void AddInCleanup(VModule moduleStopped)
{
//cleanup
if (Constants.ModuleIsolationLevel == ModuleIsolationModes.AppDomain)
{
logger.Log("AppDomain cleanup for "+ moduleStopped.GetInfo().AppName());
bool done = false;
AddInController aiController = AddInController.GetAddInController(moduleStopped);
SafeThread t = new SafeThread(delegate()
{
while (!done)
{
try
{
aiController.Shutdown();
done = true;
}
catch (CannotUnloadAppDomainException)
{
logger.Log("AppDomain Unload did not succeed. Retrying.");
System.Threading.Thread.Sleep(1000);
// keep trying to unload until it gets unloaded
}
}
}, moduleStopped.ToString()+"-UnloadingAppDomain", logger);
t.Start();
t.Join(TimeSpan.FromMilliseconds(Settings.MaxFinallyBlockExecutionTime));
if(t.IsAlive())
t.Abort();
}
else if (Constants.ModuleIsolationLevel == ModuleIsolationModes.Process)
{
//TODO: test this
AddInController aiController = AddInController.GetAddInController(moduleStopped);
aiController.Shutdown();
}
else if (Constants.ModuleIsolationLevel == ModuleIsolationModes.NoAddInAppDomain)
{
// TODO handle cleanup here
}
else
{// Globals.ModuleIsolationLevel == ModuleIsolationModes.None
// TODO handle cleanup here
}
}
public bool StopModule(VModule moduleToStop)
{
//***
try
{
SafeThread t = new SafeThread(delegate() { moduleToStop.Stop(); }, moduleToStop.GetInfo().AppName() + "stop thread", logger); // invoke stop on the module
t.Start();
t.Join(TimeSpan.FromMilliseconds(Settings.MaxStopExecutionTime));
if (t.IsAlive())
t.Abort();
ModuleFinished(moduleToStop); // dereg its ports broadcast ports' dereg; wipe module off data structures
AddInCleanup(moduleToStop); // addin cleanup
return true;
}
catch (Exception e)
{
logger.Log("Exception in stopping of module: " + e);
return false;
}
//***
}