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Merge pull request #20418 from peppy/fix-leaderboard-crash

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Fix intermittent leaderboard crash due to request finishing after drawable is disposed
This commit is contained in:
Dan Balasescu 2022-09-26 17:10:32 +09:00 committed by GitHub
commit 426ab176d6
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 18 additions and 9 deletions
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13
osu.Game/Online/Leaderboards/Leaderboard.cs
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@ -185,10 +185,15 @@ namespace osu.Game.Online.Leaderboards
if (scores != null)
this.scores.AddRange(scores);
// Schedule needs to be non-delayed here for the weird logic in refetchScores to work.
// If it is removed, the placeholder will be incorrectly updated to "no scores" rather than "retrieving".
// This whole flow should be refactored in the future.
Scheduler.Add(applyNewScores, false);
// Non-delayed schedule may potentially run inline (due to IsMainThread check passing) after leaderboard is disposed.
// This is guarded against in BeatmapLeaderboard via web request cancellation, but let's be extra safe.
if (!IsDisposed)
{
// Schedule needs to be non-delayed here for the weird logic in refetchScores to work.
// If it is removed, the placeholder will be incorrectly updated to "no scores" rather than "retrieving".
// This whole flow should be refactored in the future.
Scheduler.Add(applyNewScores, false);
}
void applyNewScores()
{

14
osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs
View File

@ -89,6 +89,8 @@ namespace osu.Game.Screens.Select.Leaderboards
private IDisposable scoreSubscription;
private GetScoresRequest scoreRetrievalRequest;
[BackgroundDependencyLoader]
private void load()
{
@ -151,14 +153,14 @@ namespace osu.Game.Screens.Select.Leaderboards
else if (filterMods)
requestMods = mods.Value;
var req = new GetScoresRequest(fetchBeatmapInfo, fetchRuleset, Scope, requestMods);
scoreRetrievalRequest = new GetScoresRequest(fetchBeatmapInfo, fetchRuleset, Scope, requestMods);
req.Success += r => SetScores(
scoreManager.OrderByTotalScore(r.Scores.Select(s => s.ToScoreInfo(rulesets, fetchBeatmapInfo))),
r.UserScore?.CreateScoreInfo(rulesets, fetchBeatmapInfo)
scoreRetrievalRequest.Success += response => SetScores(
scoreManager.OrderByTotalScore(response.Scores.Select(s => s.ToScoreInfo(rulesets, fetchBeatmapInfo))),
response.UserScore?.CreateScoreInfo(rulesets, fetchBeatmapInfo)
);
return req;
return scoreRetrievalRequest;
}
protected override LeaderboardScore CreateDrawableScore(ScoreInfo model, int index) => new LeaderboardScore(model, index, IsOnlineScope)
@ -218,7 +220,9 @@ namespace osu.Game.Screens.Select.Leaderboards
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
scoreSubscription?.Dispose();
scoreRetrievalRequest?.Cancel();
}
}
}