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Code Issues Releases Wiki Activity

Make flow more async to avoid any chance of deadlocks

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Dean Herbert 2024-10-24 17:56:51 +09:00
parent be5cb209e5
commit 61f0cfd688
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1 changed files with 19 additions and 19 deletions
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38
osu.Game/Database/RealmArchiveModelImporter.cs
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@ -112,26 +112,20 @@ namespace osu.Game.Database
parameters.Batch |= tasks.Length >= minimum_items_considered_batch_import;
// A paused state could obviously be entered mid-import (during the `Task.WhenAll` below),
// but in order to keep things simple let's focus on the most common scenario.
notification.Text = $"{HumanisedModelName.Humanize(LetterCasing.Title)} import is paused due to gameplay...";
try
{
pauseIfNecessary(parameters, notification.CancellationToken);
}
catch { }
notification.Text = $"{HumanisedModelName.Humanize(LetterCasing.Title)} import is initialising...";
notification.State = ProgressNotificationState.Active;
await Task.WhenAll(tasks.Select(async task =>
await pauseIfNecessaryAsync(parameters, notification, notification.CancellationToken).ConfigureAwait(false);
await Parallel.ForEachAsync(tasks, notification.CancellationToken, async (task, cancellation) =>
{
if (notification.CancellationToken.IsCancellationRequested)
return;
cancellation.ThrowIfCancellationRequested();
try
{
var model = await Import(task, parameters, notification.CancellationToken).ConfigureAwait(false);
await pauseIfNecessaryAsync(parameters, notification, cancellation).ConfigureAwait(false);
var model = await Import(task, parameters, cancellation).ConfigureAwait(false);
lock (imported)
{
@ -150,7 +144,7 @@ namespace osu.Game.Database
{
Logger.Error(e, $@"Could not import ({task})", LoggingTarget.Database);
}
})).ConfigureAwait(false);
}).ConfigureAwait(false);
if (imported.Count == 0)
{
@ -297,8 +291,6 @@ namespace osu.Game.Database
/// <param name="cancellationToken">An optional cancellation token.</param>
public virtual Live<TModel>? ImportModel(TModel item, ArchiveReader? archive = null, ImportParameters parameters = default, CancellationToken cancellationToken = default) => Realm.Run(realm =>
{
pauseIfNecessary(parameters, cancellationToken);
TModel? existing;
if (parameters.Batch && archive != null)
@ -586,21 +578,29 @@ namespace osu.Game.Database
/// <returns>Whether to perform deletion.</returns>
protected virtual bool ShouldDeleteArchive(string path) => false;
private void pauseIfNecessary(ImportParameters importParameters, CancellationToken cancellationToken)
private async Task pauseIfNecessaryAsync(ImportParameters importParameters, ProgressNotification notification, CancellationToken cancellationToken)
{
if (!PauseImports || importParameters.ImportImmediately)
return;
Logger.Log($@"{GetType().Name} is being paused.");
// A paused state could obviously be entered mid-import (during the `Task.WhenAll` below),
// but in order to keep things simple let's focus on the most common scenario.
notification.Text = $"{HumanisedModelName.Humanize(LetterCasing.Title)} import is paused due to gameplay...";
notification.State = ProgressNotificationState.Queued;
while (PauseImports)
{
cancellationToken.ThrowIfCancellationRequested();
Thread.Sleep(500);
await Task.Delay(500, cancellationToken).ConfigureAwait(false);
}
cancellationToken.ThrowIfCancellationRequested();
Logger.Log($@"{GetType().Name} is being resumed.");
notification.Text = $"{HumanisedModelName.Humanize(LetterCasing.Title)} import is resuming...";
notification.State = ProgressNotificationState.Active;
}
private IEnumerable<string> getIDs(IEnumerable<INamedFile> files)