private static async Task RunSampleAsync(CleanupGuard guard, TraceSource traceSource, CancellationToken token)
{
// Make sure we switch to another thread before starting the work.
await Task.Yield();
string timestamp = DateTime.Now.ToString("yyyyMMhhmmss");
string filePrefix = Environment.ExpandEnvironmentVariables(@"%TEMP%\CleanupSample." + timestamp + ".");
Random random = new Random();
char[] alphabet = new char[] { 'z', 'x', 'c', 'v', 'b', 'n', 'm' };
int index = 0;
while (!token.IsCancellationRequested)
{
string fileName = filePrefix + index + ".txt";
guard.Register(() => ZeroFileAsync(fileName, traceSource));
traceSource.TraceInformation("Writing file '{0}'...", fileName);
await WriteFileAsync(fileName, random, alphabet, token);
traceSource.TraceInformation("Starting 'notepad.exe {0}'...", fileName);
Process process = Process.Start("notepad.exe", fileName);
guard.Register(Blocking.Task(KillProcess, Tuple.Create(process, traceSource)));
traceSource.TraceInformation("Waiting...");
await Task.Delay(3000, token);
++index;
}
}
private static async Task RunSampleAsync(CleanupGuard guard, TraceSource traceSource, CancellationToken token)
{
// Make sure we switch to another thread before starting the work.
await Task.Yield();
string timestamp = DateTime.Now.ToString("yyyyMMhhmmss");
string filePrefix = Environment.ExpandEnvironmentVariables(@"%TEMP%\CleanupSample." + timestamp + ".");
Random random = new Random();
char[] alphabet = new char[] { 'z', 'x', 'c', 'v', 'b', 'n', 'm' };
int index = 0;
while (!token.IsCancellationRequested)
{
string fileName = filePrefix + index + ".txt";
guard.Register(() => ZeroFileAsync(fileName, traceSource));
traceSource.TraceInformation("Writing file '{0}'...", fileName);
await WriteFileAsync(fileName, random, alphabet, token);
traceSource.TraceInformation("Starting 'notepad.exe {0}'...", fileName);
Process process = Process.Start("notepad.exe", fileName);
guard.Register(Blocking.Task(KillProcess, Tuple.Create(process, traceSource)));
traceSource.TraceInformation("Waiting...");
await Task.Delay(3000, token);
++index;
}
}
private static void Main(string[] args)
{
using (CancellationTokenSource cts = new CancellationTokenSource())
{
TraceSource traceSource = new TraceSource("CleanupSample", SourceLevels.All);
traceSource.Listeners.Add(new ConsoleTraceListener()
{
TraceOutputOptions = TraceOptions.DateTime | TraceOptions.ThreadId
});
CleanupGuard guard = new CleanupGuard();
Task task = guard.RunAsync(g => RunSampleAsync(g, traceSource, cts.Token));
Console.WriteLine("Press ENTER to stop.");
Console.ReadLine();
cts.Cancel();
try
{
task.Wait();
}
catch (Exception e)
{
traceSource.TraceEvent(TraceEventType.Error, 0, "ERROR: {0}", e);
}
}
}
private static void Main(string[] args)
{
using (CancellationTokenSource cts = new CancellationTokenSource())
{
TraceSource traceSource = new TraceSource("CleanupSample", SourceLevels.All);
traceSource.Listeners.Add(new ConsoleTraceListener() { TraceOutputOptions = TraceOptions.DateTime | TraceOptions.ThreadId });
CleanupGuard guard = new CleanupGuard();
Task task = guard.RunAsync(g => RunSampleAsync(g, traceSource, cts.Token));
Console.WriteLine("Press ENTER to stop.");
Console.ReadLine();
cts.Cancel();
try
{
task.Wait();
}
catch (Exception e)
{
traceSource.TraceEvent(TraceEventType.Error, 0, "ERROR: {0}", e);
}
}
}