/// <summary>
/// Stops the running application
/// </summary>
/// <returns></returns>
public async Task StopAsync()
{
Cancellation.Cancel();
await Startup.ShutdownAsync();
Running = false;
}
public Task CancelTask()
{
return(Task.Run(() =>
{
Cancellation.Cancel();
}));
}
static void Main()
{
// BeforeTpl.QueueUserWorkItem();
// BeforeTpl.QueueUserWorkItemWaitingToFinish();
CreationAndWaiting.CreateAndWait();
CreationAndWaiting.TaskRun();
CreationAndWaiting.ParametrizedTask();
CreationAndWaiting.TaskFromResult();
CreationAndWaiting.WaitAllWaitAny();
CreationAndWaiting.WhenAllWhenAny();
CreationAndWaiting.Statuses();
Continuation.Parent();
Continuation.ContinueWith();
Continuation.MultipleContinuations();
Continuation.TaskStatusWhenContinueWith();
Continuation.ContinueWhenAllWhenAny();
Exceptions.WaitAndStatus();
Exceptions.ContinueWith();
Exceptions.HandleAndFlatten();
Cancellation.Cancel();
}
public void Cancel()
{
if (!_isDisposed)
{
Cancellation.Cancel();
}
}
private void excludeAllButton_Click(object sender, EventArgs e)
{
foreach (ListViewItem item in addressListView.Items)
{
Exclusions.Add((IntPtr)ulong.Parse(item.SubItems[0].Text, System.Globalization.NumberStyles.HexNumber));
}
addressListView.Items.Clear();
Cancellation?.Cancel();
}
public static void Main(string[] args)
{
Console.WriteLine("Use pattern: (compress | decompress) <source file name> <output file name>");
var currentDomain = AppDomain.CurrentDomain;
currentDomain.UnhandledException += (sender, eventArgs) =>
{
Console.WriteLine((Exception)eventArgs.ExceptionObject);
Environment.Exit(1);
};
ValidateArgs(args);
var cancellation = new Cancellation();
Console.WriteLine("Press Ctrl-C to cancel.");
var cancelledEvent = new AutoResetEvent(false);
Console.CancelKeyPress += (sender, args) =>
{
cancellation.Cancel();
args.Cancel = true;
cancelledEvent.Set();
};
var isCompression = args[0] == "compress";
var sourceFileName = args[1];
var targetFileName = args[2];
var finishedEvent = new AutoResetEvent(false);
var sourceFile = new FileWrapper(sourceFileName);
var targetFile = new FileWrapper(targetFileName);
var blockingQueueSize = Environment.ProcessorCount * 2;
var partSize = 1024 * 16;
var parallelArchiver = isCompression
? (IParallelArchiver) new ParallelCompressor(sourceFile, targetFile, blockingQueueSize, partSize)
: new ParallelDecompressor(sourceFile, targetFile, blockingQueueSize, partSize);
parallelArchiver.Process(() => { finishedEvent.Set(); }, cancellation);
var eventWaitHandles = new[] { finishedEvent, cancelledEvent };
var eventIndex = WaitHandle.WaitAny(eventWaitHandles);
if (eventWaitHandles[eventIndex] == finishedEvent)
{
Console.WriteLine("Application has finished successfully.");
}
else
{
Console.WriteLine("Application has been cancelled.");
}
Environment.ExitCode = 0;
}
private void buttonCancel_Click(object sender, EventArgs e)
{
Cancellation cancellation = _fileTransferCancellation;
if (cancellation != null)
{
cancellation.Cancel();
buttonCancel.Enabled = false;
}
}
public void Cancel(Exception e)
{
if (Cancellation == null)
{
throw new InvalidOperationException("Can't cancel Task.");
}
Cancellation.Cancel(e);
MoveNext();
}
protected override void AdditionalSetUp()
{
ConsumerErrorStrategy.HandleConsumerCancelled(null)
.ReturnsForAnyArgs(AckStrategies.Ack);
StartConsumer((body, properties, info) =>
{
Cancellation.Cancel();
Cancellation.Token.ThrowIfCancellationRequested();
});
DeliverMessage();
}
public virtual void Stop()
{
Trace.WriteLineIf(Tracing.Is.TraceVerbose, string.Empty);
if (null == Timer)
{
return;
}
Timer.Dispose();
Timer = null;
Cancellation.Cancel();
}
/// <summary>
/// Break Updating Operation using cancellation object
/// This method is supported by version 18.7 or greater
/// </summary>
public static void BreakUpdatingUsingCancellationObject()
{
// Creating cancellation object
Cancellation cancellation = new Cancellation();
// Load index
Index index = new Index(Utilities.indexPath);
// Updating
index.UpdateAsync(cancellation);
// Cancelling
cancellation.Cancel();
}
/// <summary>
/// Break indexing with cancellation object
/// This method is supported by version 18.7 or greater
/// </summary>
public static void BreakIndexingWithCancellationObject()
{
// Creating cancellation object
Cancellation cancellation = new Cancellation();
// Creating index
Index index = new Index(Utilities.indexPath);
// Indexing
index.AddToIndexAsync(Utilities.documentsPath, cancellation);
// Cancelling after 1 second of indexing
Thread.Sleep(1000);
cancellation.Cancel();
}
/// <summary>
/// Break Index Repository using Cancellation Object
/// This method is supported by version 18.8 or greater
/// </summary>
public static void BreakIndexRepositoryUsingCancellationObject()
{
string documentsFolder = Utilities.documentsPath;
IndexRepository repository = new IndexRepository();
Index index = repository.Create();
index.AddToIndex(documentsFolder);
Cancellation cnc = new Cancellation();
// Updating all indexes in repository
repository.UpdateAsync(cnc);
// Canceling all operations in index repository
cnc.Cancel();
}
public void SetFailureMsg(string failureMsg)
{
// Cancel the job/worker because it failed.
if (IsCancelled)
{
return;
}
if (string.IsNullOrWhiteSpace(failureMsg))
{
failureMsg = null;
}
this.FailureMsg = failureMsg;
if (failureMsg != null)
{
Cancellation?.Cancel();
}
}
public void Start()
{
if (Status == ListenerStatus.Listening)
{
return;
}
Cancellation?.Cancel();
Cancellation = new CancellationTokenSource();
Cancellation.Token.Register(() => RaiseStatusChanged(ListenerStatus.NotListening));
try {
Start(Cancellation.Token);
RaiseStatusChanged(ListenerStatus.Listening);
} catch {
RaiseStatusChanged(ListenerStatus.PortNotFree);
}
}
/// <summary>
/// Starts listening for incoming connections
/// </summary>
public override void Start()
{
Cancellation?.Cancel();
Cancellation = new CancellationTokenSource();
var token = Cancellation.Token;
var listener = new HttpListener();
token.Register(() => listener.Close());
listener.Prefixes.Add(Prefix);
if (Prefix.EndsWith("/announce/", StringComparison.OrdinalIgnoreCase))
{
listener.Prefixes.Add(Prefix.Remove(Prefix.Length - "/announce/".Length) + "/scrape/");
}
listener.Start();
GetContextAsync(listener, token);
RaiseStatusChanged(ListenerStatus.Listening);
}
/// <summary>
/// Starts listening for incoming connections
/// </summary>
public override void Start()
{
Cancellation?.Cancel();
Cancellation = new CancellationTokenSource();
var token = Cancellation.Token;
var listener = new UdpClient(OriginalEndPoint);
token.Register(() => {
LocalEndPoint = null;
listener.Dispose();
});
LocalEndPoint = (IPEndPoint)listener.Client.LocalEndPoint;
ReceiveAsync(listener, token);
RaiseStatusChanged(ListenerStatus.Listening);
}
private void Start()
{
if (Active)
{
Cancellation.Cancel();
Task.WaitAll(Jobs.Values.ToArray());
}
Jobs.Clear();
Cancellation = new CancellationTokenSource();
foreach (var prefix in Services.Keys)
{
var task = new Task(ProcessCommand, prefix);
Jobs.Add(prefix, task);
task.Start();
}
}
/// <summary>
/// Calls <see cref="TorrentManager.StopAsync()"/> on <see cref="Manager"/> and unregisters
/// it from the <see cref="ClientEngine"/>. This will dispose the stream returned by the
/// most recent invocation of <see cref="CreateHttpStreamAsync(ITorrentFileInfo)"/> or
/// <see cref="CreateStreamAsync(ITorrentFileInfo)"/>.
/// </summary>
/// <returns></returns>
public async Task StopAsync()
{
if (!Active)
{
throw new InvalidOperationException("The StreamProvider can only be stopped if it is Active");
}
if (Manager.State == TorrentState.Stopped)
{
throw new InvalidOperationException(
"The TorrentManager associated with this StreamProvider has already been stopped. " +
"It is an error to directly call StopAsync, PauseAsync or StartAsync on the TorrentManager.");
}
Cancellation.Cancel();
await Manager.StopAsync();
await Engine.Unregister(Manager);
ActiveStream.SafeDispose();
Active = false;
}
/// <inheritdoc />
/// <summary>
/// Dispose this evaluator and all system resources used by this evaluator.
/// If a load task is in progress, it will be cancelled and disposed asynchronously.
/// </summary>
public void Dispose()
{
// unsubscribe from events
_entities.Moved -= EntitiesOnMoved;
_entities.Changed -= EntitiesOnChanged;
_entities.Deleted -= EntitiesOnDeleted;
// stop watching file changes
_fileWatcher.Dispose();
// cancel current loading operation
Cancellation.Cancel();
LoadTask.ContinueWith(parent =>
{
Cancellation.Dispose();
foreach (var group in _backBuffer)
{
group.Dispose();
}
_backBuffer = null;
_frontBuffer = null;
});
}
private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
Cancellation?.Cancel();
}
public S3UploadsUploadBatch()
{
CancelCommand = new Command(() => { Cancellation?.Cancel(); }, () => Cancellation != null);
}
public override void Dispose() => Cancellation.Cancel();
public void Dispose()
{
Cancellation.Cancel();
ProgressController?.Close();
Cancellation?.Dispose();
}
public void Stop()
{
Cancellation.Cancel();
}
public override void Stop()
{
Cancellation?.Cancel();
RaiseStatusChanged(ListenerStatus.NotListening);
}
public void CancelAll()
{
Cancellation.Cancel();
}
public void Dispose()
{
Cancellation.Cancel();
}
public void Stop()
{
Cancellation?.Cancel();
Cancellation = null;
}
async Task Scan()
{
addressListView.Items.Clear();
var count = 0;
var stopwatch = Stopwatch.StartNew();
Invoke((MethodInvoker)(() =>
{
readyToolStripStatusLabel.Text = ScanState.Scanning.ToString(count);
Text = Title + " (検索中...)";
}));
var items = new Dictionary <ulong, ListViewItem>();
var query = GetQuery();
if (query == null)
{
return;
}
Watches = await MemoryScanner.FindMatches(query, exclusions : Exclusions, handler : (address, found) =>
{
BeginInvoke((MethodInvoker)(() =>
{
var c = Interlocked.Increment(ref count);
Text = $"{Title} (検索中: {c})";
readyToolStripStatusLabel.Text = ScanState.Scanning.ToString(c);
items[address] = addressListView.Items.Add(new ListViewItem(new[] {
address.ToString("X8"), "", found.ToString()
}));
}));
});
stopwatch.Stop();
Invoke((MethodInvoker)(() =>
{
Text = $"{Title} ({Watches.Count})";
readyToolStripStatusLabel.Text = ScanState.Complete.ToString(Watches.Count) + " (" + stopwatch.ElapsedMilliseconds + " ms)";
}));
Cancellation?.Cancel();
Cancellation = new CancellationTokenSource();
await MemoryScanner.Watch(Watches, 500, Cancellation.Token, t : query, handler : (k, v) =>
{
Invoke((MethodInvoker)(() =>
{
if (items.ContainsKey(k))
{
items[k].SubItems[1].Text = v.ToString();
}
else
{
items[k] = addressListView.Items.Add(new ListViewItem(new[] {
k.ToString("X8"), v.ToString(), v.ToString()
}));
}
}));
});
}
