mirror of
https://github.com/ppy/osu.git
synced 2024-11-06 05:57:52 +08:00
126 lines
4.5 KiB
C#
126 lines
4.5 KiB
C#
// 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.
|
|
|
|
using System;
|
|
using System.Diagnostics;
|
|
using System.Threading.Tasks;
|
|
using Microsoft.AspNetCore.SignalR.Client;
|
|
using osu.Framework.Allocation;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Logging;
|
|
using osu.Game.Configuration;
|
|
using osu.Game.Online.API;
|
|
|
|
namespace osu.Game.Online.Metadata
|
|
{
|
|
public partial class OnlineMetadataClient : MetadataClient
|
|
{
|
|
private readonly string endpoint;
|
|
|
|
private IHubClientConnector? connector;
|
|
|
|
private Bindable<int> lastQueueId = null!;
|
|
|
|
private HubConnection? connection => connector?.CurrentConnection;
|
|
|
|
public OnlineMetadataClient(EndpointConfiguration endpoints)
|
|
{
|
|
endpoint = endpoints.MetadataEndpointUrl;
|
|
}
|
|
|
|
[BackgroundDependencyLoader]
|
|
private void load(IAPIProvider api, OsuConfigManager config)
|
|
{
|
|
// Importantly, we are intentionally not using MessagePack here to correctly support derived class serialization.
|
|
// More information on the limitations / reasoning can be found in osu-server-spectator's initialisation code.
|
|
connector = api.GetHubConnector(nameof(OnlineMetadataClient), endpoint);
|
|
|
|
if (connector != null)
|
|
{
|
|
connector.ConfigureConnection = connection =>
|
|
{
|
|
// this is kind of SILLY
|
|
// https://github.com/dotnet/aspnetcore/issues/15198
|
|
connection.On<BeatmapUpdates>(nameof(IMetadataClient.BeatmapSetsUpdated), ((IMetadataClient)this).BeatmapSetsUpdated);
|
|
};
|
|
|
|
connector.IsConnected.BindValueChanged(isConnectedChanged, true);
|
|
}
|
|
|
|
lastQueueId = config.GetBindable<int>(OsuSetting.LastProcessedMetadataId);
|
|
}
|
|
|
|
private bool catchingUp;
|
|
|
|
private void isConnectedChanged(ValueChangedEvent<bool> connected)
|
|
{
|
|
if (!connected.NewValue)
|
|
return;
|
|
|
|
if (lastQueueId.Value >= 0)
|
|
{
|
|
catchingUp = true;
|
|
|
|
Task.Run(async () =>
|
|
{
|
|
try
|
|
{
|
|
while (true)
|
|
{
|
|
Logger.Log($"Requesting catch-up from {lastQueueId.Value}");
|
|
var catchUpChanges = await GetChangesSince(lastQueueId.Value).ConfigureAwait(true);
|
|
|
|
lastQueueId.Value = catchUpChanges.LastProcessedQueueID;
|
|
|
|
if (catchUpChanges.BeatmapSetIDs.Length == 0)
|
|
{
|
|
Logger.Log($"Catch-up complete at {lastQueueId.Value}");
|
|
break;
|
|
}
|
|
|
|
await ProcessChanges(catchUpChanges.BeatmapSetIDs).ConfigureAwait(true);
|
|
}
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Logger.Log($"Error while processing catch-up of metadata ({e.Message})");
|
|
}
|
|
finally
|
|
{
|
|
catchingUp = false;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
public override async Task BeatmapSetsUpdated(BeatmapUpdates updates)
|
|
{
|
|
Logger.Log($"Received beatmap updates {updates.BeatmapSetIDs.Length} updates with last id {updates.LastProcessedQueueID}");
|
|
|
|
// If we're still catching up, avoid updating the last ID as it will interfere with catch-up efforts.
|
|
if (!catchingUp)
|
|
lastQueueId.Value = updates.LastProcessedQueueID;
|
|
|
|
await ProcessChanges(updates.BeatmapSetIDs).ConfigureAwait(false);
|
|
}
|
|
|
|
public override Task<BeatmapUpdates> GetChangesSince(int queueId)
|
|
{
|
|
if (connector?.IsConnected.Value != true)
|
|
return Task.FromCanceled<BeatmapUpdates>(default);
|
|
|
|
Logger.Log($"Requesting any changes since last known queue id {queueId}");
|
|
|
|
Debug.Assert(connection != null);
|
|
|
|
return connection.InvokeAsync<BeatmapUpdates>(nameof(IMetadataServer.GetChangesSince), queueId);
|
|
}
|
|
|
|
protected override void Dispose(bool isDisposing)
|
|
{
|
|
base.Dispose(isDisposing);
|
|
connector?.Dispose();
|
|
}
|
|
}
|
|
}
|