private void OnClientExecutionContextStateChage(object sender, ExecutionContextStateArgs e)
{
switch(e.NewState)
{
case ContextExecutionState.Failed:
var exception = e.StateObject as Exception;
if(exception!=null)
{
MessageBox.Show(exception.ToString(),"Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
break;
default:
break;
}
Trace.WriteLine(String.Format("New state - {0} Old state - {1}", e.NewState, e.OldState));
}
protected override void OnExecutionStateChaged(object sender, ExecutionContextStateArgs e)
{
base.OnExecutionStateChaged(sender, e);
if(e.NewState == SharedLib.ContextExecutionState.Aborting)
{
if(cToken!=null && cToken.Token.CanBeCanceled)
{
cToken.Cancel();
}
}
}
protected virtual void OnExecutionStateChaged(object sender, ExecutionContextStateArgs e)
{
#region Local Variables
var settings = this.SettingsAs<SteamLicenseManagerSettings>();
IExecutionContext context = (IExecutionContext)sender;
#endregion
#region Child Exit
if (e.NewState == ContextExecutionState.ProcessExited)
{
if (settings.TerminateOnChildExit)
{
//get the exited process
int exitedProcessId = (int)e.StateObject;
//check if the child is default browser
string processFileName = string.Empty;
//get the file name of exited process
context.TryGetProcessFileName(exitedProcessId, out processFileName);
if (!String.IsNullOrWhiteSpace(processFileName))
{
if (settings.IsMatch(processFileName))
{
lock (this.TerminateHandle)
{
//start waiting termination
if (!this.TerminateHandle.WaitingTermination)
{
//set waiting flag
this.TerminateHandle.WaitingTermination = true;
//assign triggered proces file name
this.TerminateHandle.TerminatingProcesName = processFileName;
//reset wait handle
this.TerminateHandle.Reset();
//async begin wating
Action<IExecutionContext> del = new Action<IExecutionContext>(WaitForTerminateWorker);
del.BeginInvoke(context, WaitForTerminateCallback, del);
}
}
}
}
}
}
#endregion
#region Child Created
else if (e.NewState == ContextExecutionState.ProcessCreated)
{
if (settings.TerminateOnChildExit)
{
//get the exited process
int startedProcessId = (int)e.StateObject;
//create process file name
string processFileName = string.Empty;
//get process name or process file name
context.TryGetProcessFileName(startedProcessId, out processFileName);
if (!String.IsNullOrWhiteSpace(processFileName))
{
//validate process name
if (settings.IsMatch(processFileName))
{
lock (this.TerminateHandle)
{
//reset waiting
if (this.TerminateHandle.WaitingTermination)
{
this.TerminateHandle.WaitingTermination = false;
this.TerminateHandle.Set();
}
}
}
}
}
}
#endregion
#region Finished
else if (e.NewState == ContextExecutionState.Finalized | e.NewState == ContextExecutionState.Destroyed | e.NewState == ContextExecutionState.Released)
{
context.ExecutionStateChaged -= OnExecutionStateChaged;
}
#endregion
}
private void OnExecutionStateChaged(object sender, ExecutionContextStateArgs e)
{
switch (e.NewState)
{
#region Process Created
case ContextExecutionState.ProcessCreated:
//check if we are already waiting for process
if (!this.IsWaiting && e.StateObject is int)
{
int processId = (int)e.StateObject;
try
{
//get newly created process
var createdProcess = Process.GetProcessById(processId);
if (String.Compare(createdProcess.ProcessName, this.TargetProcessName, true) == 0)
{
//set target process id. will help identify exit
this.TargetProcessId = processId;
//we are now waiting for process window
this.IsWaiting = true;
//create action
var action = new Action<Process>(OnWait);
//invoke action
action.BeginInvoke(createdProcess, OnWaitCallBack, action);
}
}
catch (ArgumentException)
{
//process exited
}
}
break;
#endregion
#region Process Exited
case ContextExecutionState.ProcessExited:
if (e.StateObject is int && (int)e.StateObject == this.TargetProcessId)
{
this.OnFinalizePlugin();
}
break;
#endregion
#region Finalization
case ContextExecutionState.Aborted:
case ContextExecutionState.Destroyed:
case ContextExecutionState.Released:
case ContextExecutionState.Failed:
case ContextExecutionState.Finalized:
this.OnFinalizePlugin();
break;
default: break;
#endregion
}
}
