public static async Task MethodAsync()
{
TaskExt.Log("B1");
await SomeClass.SomeAsyncApi().ConfigureAwait(false);
TaskExt.Log("B2");
}
public async Task after_waiting_for_next_step_timeToNextStep_should_be_close_to_stepDuration_in_seconds(int stepDuration)
{
var calculator = new AuRaStepCalculator(stepDuration, new Timestamper());
await TaskExt.DelayAtLeast(calculator.TimeToNextStep);
calculator.TimeToNextStep.Should().BeCloseTo(TimeSpan.FromSeconds(stepDuration), TimeSpan.FromMilliseconds(100));
}
public virtual Task Run(IPEndPoint http, IPEndPoint https, CancellationToken cancelToken)
{
var hostBuilder = new WebHostBuilder();
// .UseContentRoot(Directory.GetCurrentDirectory())
ConfigureBuilder(hostBuilder);
var urls = new List <string>();
if ((http == null) && (https == null))
{
throw new CannotOpenApiPortException("No HTTP or HTTPS ports available");
}
if (http != null)
{
urls.Add(http.ToHttp());
}
if (https != null)
{
urls.Add(https.ToHttps());
}
hostBuilder.UseUrls(urls.ToArray());
var webHost = hostBuilder.Build();
return(TaskExt.StartLongRunningTask(() => webHost.Run(cancelToken), cancelToken));
}
public async Task <ResGetServiceRecord> GetServiceRecord(ReqGetServiceRecord req)
{
var escapedGt = req.Gamertag.ToSlug();
var needsQueueing = await CacheMetaHelpers.NeedsQueueing(_dbClient, $"sr-{escapedGt}");
if (needsQueueing)
{
await _dbClient.SetCacheMeta($"sr-{escapedGt}", "in_progress");
TaskExt.FireAndForget(() => _sqsClient.SendMessageAsync(new QueueEvent
{
Type = QueueEventTypes.CacheServiceRecord,
Payload = new ServiceRecordPayload {
Gamertag = req.Gamertag
},
}));
throw new BaeException("queued_for_caching");
}
// TODO(0xdeafcafe): Clean this shit up 🤮
var sr = await _dbClient.GetServiceRecord(escapedGt);
var p1 = Mapper.Map <ServiceRecordResponse>(sr);
var p2 = Mapper.Map <ResGetServiceRecord>(p1);
p2.CacheInfo = new CacheInfo(sr.CreatedAt);
return(p2);
}
private async Task ProducerLoop()
{
while (!_cancellationTokenSource.IsCancellationRequested)
{
BlockHeader parentHeader = _blockTree.Head;
if (parentHeader == null)
{
if (_logger.IsWarn)
{
_logger.Warn($"Preparing new block - parent header is null");
}
}
else if (_sealer.CanSeal(parentHeader.Number + 1, parentHeader.Hash))
{
ProduceNewBlock(parentHeader);
}
var timeToNextStep = _auRaStepCalculator.TimeToNextStep;
if (_logger.IsDebug)
{
_logger.Debug($"Waiting {timeToNextStep} for next AuRa step.");
}
await TaskExt.DelayAtLeast(timeToNextStep);
}
}
IEnumerator <Task <AsyncCompletedEventArgs> > FetchOperationAsyncHelper(object state, CancellationToken token, int timeout, Action continuator)
{
var tcs = new TaskCompletionSource <AsyncCompletedEventArgs>();
// prepare the timeout
CancellationToken newToken;
if (timeout != Timeout.Infinite)
{
var cts = CancellationTokenSource.CreateLinkedTokenSource(token);
TaskExt.CancelAfterEx(cts, timeout * 1000);
newToken = cts.Token;
}
else
{
newToken = token;
}
/* handle completion */
AsyncCompletedEventHandler handler = (sender, args) =>
{
if (args.Cancelled)
{
tcs.TrySetCanceled();
}
else if (args.Error != null)
{
tcs.SetException(args.Error);
}
else
{
tcs.SetResult(args);
}
};
this.FetchOperationCompleted += handler;
try
{
using (newToken.Register(() =>
{
try
{
tcs.SetCanceled();
}
catch (InvalidOperationException)
{
/* cancel when already finished, does not matter */
#if DEBUG
Tracing.WarningDAL("Canceled async db operation, when it has already completed.");
#endif
}
}, useSynchronizationContext: false))
{
this.StartFetchOperation(state);
yield return(tcs.Task.Continuation(continuator));
}
}
finally
{
this.FetchOperationCompleted -= handler;
}
}
public async Task <(ServiceRecordResponse serviceRecord, ICacheInfo cacheInfo)> GetServiceRecord(Identity identity)
{
var path = $"players/{identity.Gamertag}/h4/servicerecord";
var key = $"halo-4/service-record/{identity.XUIDStr}.json";
var expire = TimeSpan.FromMinutes(10);
var cacheInfo = await fetchCacheInfo(key);
if (cacheInfo != null && cacheInfo.IsFresh())
{
return(await fetchContent <ServiceRecordResponse>(key), cacheInfo);
}
var response = await requestWaypointData <External.ServiceRecordResponse>(path, null, key);
if (response == null && cacheInfo != null)
{
return(await fetchContent <ServiceRecordResponse>(key), cacheInfo);
}
// Transpile and enrich content
var finalCacheInfo = new CacheInfo(DateTime.UtcNow, expire);
var final = _transpiler.ServiceRecord(response);
final = await _enricher.ServiceRecord(final, response);
TaskExt.FireAndForget(() => cacheContent(key, final, finalCacheInfo));
return(final, finalCacheInfo);
}
private async Task StartupUiMode(Func <Task> act)
{
try {
ConfigureUiInstances();
var dbContextFactory = Container.GetInstance <IDbContextFactory>();
using (var scope = dbContextFactory.Create()) {
await StartupInternal().ConfigureAwait(false);
// We dont want the UI action to inherit our ctx..
using (dbContextFactory.SuppressAmbientContext())
await act().ConfigureAwait(false);
await AfterUi().ConfigureAwait(false);
await scope.SaveChangesAsync().ConfigureAwait(false);
}
BackgroundActions();
await HandleWaitForBackgroundTasks().ConfigureAwait(false);
// TODO: call from node?
var task = TaskExt.StartLongRunningTask(
() =>
new SIHandler().HandleSingleInstanceCall(Common.Flags.FullStartupParameters.ToList()));
} catch (SQLiteException ex) {
MainLog.Logger.FormattedErrorException(ex, "A problem was found with a database");
var message =
$"There appears to be a problem with your database. If the problem persists, you can delete the databases from:\n{Common.Paths.LocalDataPath} and {Common.Paths.DataPath}" +
"\nError message: " + ex.Message;
await
Container.GetInstance <IDialogManager>()
.MessageBox(new MessageBoxDialogParams(message, "Sync: A problem was found in your database"))
.ConfigureAwait(false);
throw;
}
}
private static async Task LaunchSteamHelper(uint appId, SteamHelperRunner steamH)
{
var tcs = new TaskCompletionSource <Unit>();
using (var cts = new CancellationTokenSource()) {
var t = TaskExt.StartLongRunningTask(
async() => {
try {
await
steamH.RunHelperInternal(cts.Token,
steamH.GetHelperParameters("interactive", appId)
.Concat(new[] { "-b", "127.0.0.66:48667" }),
(process, s) => {
if (s.StartsWith("Now listening on:"))
{
tcs.SetResult(Unit.Value);
}
}, (proces, s) => { })
.ConfigureAwait(false);
} catch (Exception ex) {
tcs.SetException(ex);
} finally {
// ReSharper disable once MethodSupportsCancellation
using (await _l.LockAsync().ConfigureAwait(false))
_isRunning = false;
}
}, cts.Token);
await tcs.Task;
}
}
ReseponseFutureProcess(CancellationTokenSource cts, double timeout)
{
this._id = Guid.NewGuid().ToString();
_tcs = new TaskCompletionSource <T>();
_cts = cts;
this.OutTimeSpan = timeout;
var name = this.Id;
var pidinfo = ProcessRegistry.Instance.TryAdd(name, this);
Pid = pidinfo.Item1;
if (!pidinfo.Item2)
{
throw new ProcessNameExistException(name);
}
if (cts != null)
{
TaskExt.Delay(this.OutTimeSpan, cts.Token)
.ContinueWith(t =>
{
if (!_tcs.Task.IsCompleted)
{
_tcs.TrySetException(new TimeoutException("请求超时!"));
this.Dispose();
}
});
}
Task = _tcs.Task;
}
private static Task LaunchAppThread() => TaskExt.StartLongRunningTask(async() => {
await LaunchWithNode().ConfigureAwait(false);
var entryAssembly = typeof(Entrypoint).GetTypeInfo().Assembly;
var entryPath = entryAssembly.Location.ToAbsoluteFilePath().ParentDirectoryPath;
_bootstrapper = new ElectronAppBootstrapper(_args, entryPath);
_bootstrapper.Configure();
await StartupInternal().ConfigureAwait(false);
});
public static IAsyncEnumerable <TValue> Empty <TValue>()
{
return(Create(() => Create <TValue>(
ct => TaskExt.Return(false, ct),
() => { throw new InvalidOperationException(); },
() => { })
));
}
public async Task step_increases_after_timeToNextStep(int stepDuration)
{
var calculator = new AuRaStepCalculator(stepDuration, new Timestamper());
var step = calculator.CurrentStep;
await TaskExt.DelayAtLeast(calculator.TimeToNextStep);
calculator.CurrentStep.Should().Be(step + 1, calculator.TimeToNextStep.ToString());
}
private Task InternalScheduleRepeatedly(int initialDelayMs, int intervalMs, Func <bool> action, CancellationToken token)
{
if (initialDelayMs == Timeout.Infinite)
{
return(TaskExt.CreateInfiniteTask());
}
return(InternalScheduleRepeatedlyAsync(initialDelayMs, intervalMs, action, token));
}
public static async Task <int> SomeAsyncApi()
{
TaskExt.Log("X1");
await Task.Delay(1000).WithCompletionLog(step: "X1.5").ConfigureAwait(false);
TaskExt.Log("X2");
return(42);
}
async void HandleGameSetChanged(Game x)
{
_settings.Ready = false;
_settings.GameOptions.RecentGameSet = x == null ? null : new RecentGameSet(x);
OnPropertyChanged(nameof(ActiveGame));
await
TaskExt.StartLongRunningTask(() => TryActiveGameChanged(x))
.ConfigureAwait(false);
}
public Task <bool> MoveNext(CancellationToken cancellationToken)
{
if (_disposed)
{
return(TaskExt.Return(false, CancellationToken.None));
}
return(_moveNext(cancellationToken));
}
Task RunInstaller() => TaskExt.StartLongRunningTask(() => {
using (var p = Process.Start(_tmpFile, "-install")) {
// /vREINSTALL=ALL /vREINSTALLMODE=vomus /v/qb
p.WaitForExit();
}
if (!IsInstalled())
{
throw new InstallationFailed();
}
});
public static IAsyncEnumerable <TResult> Repeat <TResult>(TResult element)
{
return(Create(() =>
{
return Create(
ct => TaskExt.Return(true, ct),
() => element,
() => { }
);
}));
}
async Task PerformUnpack()
{
_statusRepo.Action = RepoStatus.Unpacking;
_progress.Reset(RepoStatus.Unpacking);
await _restarter.TryWithUacFallback(TaskExt.StartLongRunningTask(
() => Tools.Compression.Unpack(_sourceFile, _destination, true)),
"files").ConfigureAwait(false);
_progress.Update(null, 100);
_statusRepo.UpdateProgress(90);
}
public override Task Start(uint appId, Uri uri)
{
_uri = uri;
var t2 = TaskExt.StartLongRunningTask(async() => {
using (var drainer = new Drainer(uri)) {
await drainer.Drain().ConfigureAwait(false);
}
});
// TODO: Test the connection?
return(TaskExt.Default);
}
public static IAsyncEnumerable <TValue> Throw <TValue>(Exception exception)
{
if (exception == null)
{
throw new ArgumentNullException("exception");
}
return(Create(() => Create <TValue>(
ct => TaskExt.Throw <bool>(exception, ct),
() => { throw new InvalidOperationException(); },
() => { })
));
}
/// <summary>
/// Wait all tasks completition with try|cathc block.
/// </summary>
/// <returns>True if thread terminated because of timeout.</returns>
public async Task <bool> AwaitAllPending(TimeSpan?timeout = null)
{
var res = await TaskExt.WhenAll(_pendingTasks, timeout);
foreach (var t in _pendingTasks)
{
if (t.IsCanceled || t.IsCompleted || t.IsFaulted)
{
_pendingTasks.TryRemove(t);
}
}
return(res);
}
public virtual Task Run(IPEndPoint http, IPEndPoint https, CancellationToken cancelToken)
{
var urls = BuildUrls(http, https);
var hostBuilder = new WebHostBuilder();
// .UseContentRoot(Directory.GetCurrentDirectory())
ConfigureBuilder(hostBuilder);
hostBuilder.UseUrls(urls.ToArray());
var webHost = hostBuilder.Build();
return(TaskExt.StartLongRunningTask(() => webHost.Run(cancelToken), cancelToken));
}
protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
_bootstrapper = new WpfAppBootstrapper(Environment.GetCommandLineArgs().Skip(1).ToArray(),
Assembly.GetEntryAssembly().Location.ToAbsoluteFilePath().ParentDirectoryPath);
_bootstrapper.Configure();
if (_bootstrapper.CommandMode)
{
HandleSingleInstance();
}
_cmBs = new CMBootstrapper <string>(_bootstrapper);
TaskExt.StartLongRunningTask(StartupInternal).WaitSpecial();
}
public static Task RunningQueue <T>(this BlockingCollection <T> block, int maxThreads, Action <T> act)
{
var tasks = Enumerable.Range(1, maxThreads > 0
? maxThreads
: 1)
.Select(x => TaskExt.StartLongRunningTask(() => {
foreach (var item in block.GetConsumingEnumerable())
{
act(item);
}
}));
return(Task.WhenAll(tasks));
}
private static async Task <int> HandleNative(ISteamSessionLocator locator, bool inclRules,
List <Tuple <string, string> > filter, Action <ArmaServerInfoModel> act)
{
var api = new SteamApi(locator);
var degreeOfParallelism = inclRules ? 30 : 1;
using (var bc = new BlockingCollection <ArmaServerInfoModel>()) {
// TODO: better MT model
var bcT = TaskExt.StartLongRunningTask(async() => {
await Task.WhenAll(Enumerable.Range(1, degreeOfParallelism).Select(_ =>
Task.Run(async() => {
foreach (var s in bc.GetConsumingEnumerable())
{
await UpdateServerInfo(s, api, inclRules).ConfigureAwait(false);
act(s);
}
})
));
});
var c2 = await api.GetServerInfo(locator.Session.AppId, x => {
try {
var ip = x.m_NetAdr.GetQueryAddressString().Split(':').First();
var ipAddress = IPAddress.Parse(ip);
var map = x.GetMap();
var s = new ArmaServerInfoModel(new IPEndPoint(ipAddress, x.m_NetAdr.GetQueryPort()))
{
ConnectionEndPoint = new IPEndPoint(ipAddress, x.m_NetAdr.GetConnectionPort()),
Name = x.GetServerName(),
Tags = x.GetGameTags(),
Mission = string.IsNullOrEmpty(map) ? null : x.GetGameDescription(),
Map = map,
Ping = x.m_nPing,
MaxPlayers = x.m_nMaxPlayers,
CurrentPlayers = x.m_nPlayers,
RequirePassword = x.m_bPassword,
IsVacEnabled = x.m_bSecure,
ServerVersion = x.m_nServerVersion
};
bc.Add(s);
} catch (Exception ex) {
Console.WriteLine(ex);
}
}, filter);
bc.CompleteAdding();
await bcT;
return(c2);
}
}
protected override IEnumerable <Task> ExtraJobs(Func <IMutagenReadStream> streamGetter)
{
foreach (var t in base.ExtraJobs(streamGetter))
{
yield return(t);
}
foreach (var source in EnumExt.GetValues <StringsSource>())
{
yield return(TaskExt.Run(DoMultithreading, () =>
{
return ProcessStringsFilesIndices(streamGetter, new DirectoryInfo(Path.GetDirectoryName(this.SourcePath)), Language.English, source, ModKey.FromNameAndExtension(Path.GetFileName(this.SourcePath)));
}));
}
}
private Task InternalScheduleOnce(int initialDelayMs, Action action, CancellationToken token)
{
if (initialDelayMs == Timeout.Infinite)
{
return(TaskExt.CreateInfiniteTask());
}
if (initialDelayMs <= 0)
{
action();
return(TaskExt.CreateCompletedTask());
}
return(Task.Delay(initialDelayMs, token).Then(t => action()));
}
public static async Task SimpleRunningQueue <T>(this IEnumerable <T> items, int maxThreads,
Action <BlockingCollection <T> > mainAct, Action <T> act)
{
var queue = new ConcurrentQueue <T>(items);
using (var blockingCollection = new BlockingCollection <T>(queue)) {
var syncTask = TaskExt.StartLongRunningTask(() => mainAct(blockingCollection));
var monitorTask = blockingCollection.RunningQueue(maxThreads, act);
await syncTask.ConfigureAwait(false);
blockingCollection.CompleteAdding();
await monitorTask.ConfigureAwait(false);
}
}