private static HashSet <string> GetNowRunning()
{
IList <TaskListWrapper.AppProcess> table;
try
{
var wrapper = new TaskListWrapper();
table = wrapper.GetBasicAppProcesses("running").ConfigureAwait(false).GetAwaiter().GetResult();
}
catch (Exception e)
{
Logger.Warn(e, "Could not get the list of running processes.");
return(null);
}
var nowRunning = new HashSet <string>();
foreach (var item in table)
{
Logger.Debug($"PID = {item.ProcessId}, Name = {item.PackageName}, Memory = {item.MemoryUsage}, Image = {item.ImageName}");
nowRunning.Add(item.PackageName);
}
return(nowRunning);
}
private async Task DoCheck()
{
if (!this.timer.Enabled)
{
return;
}
if (this.consideredPackages == null)
{
return;
}
Logger.Debug("Checking for running apps.");
try
{
this.timer.Stop();
var wrapper = new TaskListWrapper();
IList <TaskListWrapper.AppProcess> table;
try
{
table = await wrapper.GetBasicAppProcesses("running").ConfigureAwait(false);
}
catch (Exception e)
{
Logger.Warn(e, "Could not get the list of running processes.");
return;
}
var nowRunning = new HashSet <string>();
foreach (var item in table)
{
Logger.Debug($"PID = {item.ProcessId}, Name = {item.PackageName}, Memory = {item.MemoryUsage}, Image = {item.ImageName}");
nowRunning.Add(item.PackageName);
}
if (this.previouslyRunningAppIds != null && nowRunning.SequenceEqual(this.previouslyRunningAppIds))
{
Logger.Debug("The list of running apps has not changed.");
return;
}
Logger.Info("Notifying about updated app state.");
this.previouslyRunningAppIds = nowRunning;
this.Publish(new ActivePackageFullNames(nowRunning));
}
catch (Exception e)
{
Logger.Error(e);
throw;
}
finally
{
this.timer.Start();
}
}
public async Task Stop(string packageFullName, CancellationToken cancellationToken = default)
{
Logger.Info("Stopping package " + packageFullName);
var taskListWrapper = new TaskListWrapper();
IList <TaskListWrapper.AppProcess> processes;
try
{
processes = await taskListWrapper.GetBasicAppProcesses(null, cancellationToken).ConfigureAwait(false);
}
catch (Exception e)
{
throw new ApplicationException("Could not get the list of running processes.", e);
}
var processIds = processes.Where(p => p.PackageName == packageFullName).Select(p => p.ProcessId).ToArray();
Logger.Info("The package appears to have currently {0} associated running processes with the following PIDs: {1}.", processIds.Length, string.Join(", ", processIds));
foreach (var pid in processIds)
{
Logger.Info("Killing process PID = " + pid + " and its children...");
try
{
var p = Process.GetProcessById(pid);
p.Kill(true);
}
catch (ArgumentException)
{
Logger.Warn("Could not find the process PID = " + pid + ". Most likely, the process has been already killed or stopped.");
}
catch (Exception e)
{
Logger.Warn("Could not kill process PID = " + pid + ".", e);
}
}
}
