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osu-lazer/osu.Game/Overlays/Settings/Sections/DebugSettings/MemorySettings.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
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#nullable disable
using System;
using System.Threading;
using System.Threading.Tasks;
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using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Localisation;
using osu.Framework.Logging;
using osu.Framework.Platform;
using osu.Game.Database;
using osu.Game.Localisation;
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namespace osu.Game.Overlays.Settings.Sections.DebugSettings
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{
public partial class MemorySettings : SettingsSubsection
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{
protected override LocalisableString Header => DebugSettingsStrings.MemoryHeader;
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[BackgroundDependencyLoader]
private void load(GameHost host, RealmAccess realm)
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{
SettingsButton blockAction;
SettingsButton unblockAction;
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Children = new Drawable[]
{
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new SettingsButton
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{
Text = DebugSettingsStrings.ClearAllCaches,
Action = host.Collect
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},
new SettingsButton
{
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Text = "Compact realm",
Action = () =>
{
// Blocking operations implicitly causes a Compact().
using (realm.BlockAllOperations("compact"))
{
}
}
},
blockAction = new SettingsButton
{
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Text = "Block realm",
},
unblockAction = new SettingsButton
{
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Text = "Unblock realm",
},
};
blockAction.Action = () =>
{
try
{
var token = realm.BlockAllOperations("maintenance");
blockAction.Enabled.Value = false;
// As a safety measure, unblock after 10 seconds.
// This is to handle the case where a dev may block, but then something on the update thread
// accesses realm and blocks for eternity.
Task.Factory.StartNew(() =>
{
Thread.Sleep(10000);
unblock();
});
unblockAction.Action = unblock;
void unblock()
{
if (token == null)
return;
token?.Dispose();
token = null;
Scheduler.Add(() =>
{
blockAction.Enabled.Value = true;
unblockAction.Action = null;
});
}
}
catch (Exception e)
{
Logger.Error(e, "Blocking realm failed");
}
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};
}
}
}