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https://github.com/osukey/osukey.git
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Move scheduler from OnlineLookupQueue to BeatmapUpdater
This commit is contained in:
Dean Herbert
232
osu.Game/Beatmaps/BeatmapUpdaterMetadataLookup.cs
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232
osu.Game/Beatmaps/BeatmapUpdaterMetadataLookup.cs
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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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#nullable disable
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Threading.Tasks;
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using Microsoft.Data.Sqlite;
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using osu.Framework.Development;
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using osu.Framework.IO.Network;
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using osu.Framework.Logging;
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using osu.Framework.Platform;
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using osu.Framework.Testing;
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using osu.Game.Database;
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using osu.Game.Online.API;
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using osu.Game.Online.API.Requests;
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using SharpCompress.Compressors;
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using SharpCompress.Compressors.BZip2;
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namespace osu.Game.Beatmaps
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{
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/// <summary>
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/// A component which handles population of online IDs for beatmaps using a two part lookup procedure.
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/// </summary>
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/// <remarks>
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/// On creating the component, a copy of a database containing metadata for a large subset of beatmaps (stored to <see cref="cache_database_name"/>) will be downloaded if not already present locally.
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/// This will always be checked before doing a second online query to get required metadata.
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/// </remarks>
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[ExcludeFromDynamicCompile]
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public class BeatmapUpdaterMetadataLookup : IDisposable
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{
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private readonly IAPIProvider api;
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private readonly Storage storage;
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private FileWebRequest cacheDownloadRequest;
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private const string cache_database_name = "online.db";
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public BeatmapUpdaterMetadataLookup(IAPIProvider api, Storage storage)
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{
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this.api = api;
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this.storage = storage;
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// avoid downloading / using cache for unit tests.
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if (!DebugUtils.IsNUnitRunning && !storage.Exists(cache_database_name))
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prepareLocalCache();
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}
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public void Update(BeatmapSetInfo beatmapSet)
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{
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foreach (var b in beatmapSet.Beatmaps)
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lookup(beatmapSet, b);
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}
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private void lookup(BeatmapSetInfo set, BeatmapInfo beatmapInfo)
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{
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if (checkLocalCache(set, beatmapInfo))
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return;
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if (api?.State.Value != APIState.Online)
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return;
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var req = new GetBeatmapRequest(beatmapInfo);
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try
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{
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// intentionally blocking to limit web request concurrency
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api.Perform(req);
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if (req.CompletionState == APIRequestCompletionState.Failed)
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{
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logForModel(set, $"Online retrieval failed for {beatmapInfo}");
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beatmapInfo.ResetOnlineInfo();
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return;
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}
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var res = req.Response;
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if (res != null)
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{
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beatmapInfo.Status = res.Status;
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Debug.Assert(beatmapInfo.BeatmapSet != null);
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beatmapInfo.BeatmapSet.Status = res.BeatmapSet?.Status ?? BeatmapOnlineStatus.None;
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beatmapInfo.BeatmapSet.OnlineID = res.OnlineBeatmapSetID;
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beatmapInfo.BeatmapSet.DateRanked = res.BeatmapSet?.Ranked;
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beatmapInfo.BeatmapSet.DateSubmitted = res.BeatmapSet?.Submitted;
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beatmapInfo.OnlineMD5Hash = res.MD5Hash;
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beatmapInfo.LastOnlineUpdate = res.LastUpdated;
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beatmapInfo.OnlineID = res.OnlineID;
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beatmapInfo.Metadata.Author.OnlineID = res.AuthorID;
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logForModel(set, $"Online retrieval mapped {beatmapInfo} to {res.OnlineBeatmapSetID} / {res.OnlineID}.");
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}
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}
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catch (Exception e)
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{
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logForModel(set, $"Online retrieval failed for {beatmapInfo} ({e.Message})");
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beatmapInfo.ResetOnlineInfo();
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}
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}
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private void prepareLocalCache()
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{
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string cacheFilePath = storage.GetFullPath(cache_database_name);
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string compressedCacheFilePath = $"{cacheFilePath}.bz2";
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cacheDownloadRequest = new FileWebRequest(compressedCacheFilePath, $"https://assets.ppy.sh/client-resources/{cache_database_name}.bz2?{DateTimeOffset.UtcNow:yyyyMMdd}");
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cacheDownloadRequest.Failed += ex =>
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{
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File.Delete(compressedCacheFilePath);
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File.Delete(cacheFilePath);
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Logger.Log($"{nameof(BeatmapUpdaterMetadataLookup)}'s online cache download failed: {ex}", LoggingTarget.Database);
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};
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cacheDownloadRequest.Finished += () =>
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{
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try
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{
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using (var stream = File.OpenRead(cacheDownloadRequest.Filename))
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using (var outStream = File.OpenWrite(cacheFilePath))
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using (var bz2 = new BZip2Stream(stream, CompressionMode.Decompress, false))
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bz2.CopyTo(outStream);
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// set to null on completion to allow lookups to begin using the new source
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cacheDownloadRequest = null;
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}
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catch (Exception ex)
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{
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Logger.Log($"{nameof(BeatmapUpdaterMetadataLookup)}'s online cache extraction failed: {ex}", LoggingTarget.Database);
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File.Delete(cacheFilePath);
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}
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finally
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{
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File.Delete(compressedCacheFilePath);
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}
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};
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Task.Run(async () =>
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{
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try
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{
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await cacheDownloadRequest.PerformAsync();
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}
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catch
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{
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// Prevent throwing unobserved exceptions, as they will be logged from the network request to the log file anyway.
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}
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});
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}
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private bool checkLocalCache(BeatmapSetInfo set, BeatmapInfo beatmapInfo)
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{
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// download is in progress (or was, and failed).
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if (cacheDownloadRequest != null)
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return false;
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// database is unavailable.
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if (!storage.Exists(cache_database_name))
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return false;
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if (string.IsNullOrEmpty(beatmapInfo.MD5Hash)
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&& string.IsNullOrEmpty(beatmapInfo.Path)
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&& beatmapInfo.OnlineID <= 0)
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return false;
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try
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{
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using (var db = new SqliteConnection(DatabaseContextFactory.CreateDatabaseConnectionString("online.db", storage)))
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{
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db.Open();
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using (var cmd = db.CreateCommand())
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{
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cmd.CommandText =
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"SELECT beatmapset_id, beatmap_id, approved, user_id, checksum, last_update FROM osu_beatmaps WHERE checksum = @MD5Hash OR beatmap_id = @OnlineID OR filename = @Path";
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cmd.Parameters.Add(new SqliteParameter("@MD5Hash", beatmapInfo.MD5Hash));
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cmd.Parameters.Add(new SqliteParameter("@OnlineID", beatmapInfo.OnlineID));
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cmd.Parameters.Add(new SqliteParameter("@Path", beatmapInfo.Path));
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using (var reader = cmd.ExecuteReader())
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{
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if (reader.Read())
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{
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var status = (BeatmapOnlineStatus)reader.GetByte(2);
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beatmapInfo.Status = status;
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Debug.Assert(beatmapInfo.BeatmapSet != null);
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beatmapInfo.BeatmapSet.Status = status;
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beatmapInfo.BeatmapSet.OnlineID = reader.GetInt32(0);
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// TODO: DateSubmitted and DateRanked are not provided by local cache.
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beatmapInfo.OnlineID = reader.GetInt32(1);
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beatmapInfo.Metadata.Author.OnlineID = reader.GetInt32(3);
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beatmapInfo.OnlineMD5Hash = reader.GetString(4);
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beatmapInfo.LastOnlineUpdate = reader.GetDateTimeOffset(5);
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logForModel(set, $"Cached local retrieval for {beatmapInfo}.");
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return true;
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}
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}
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}
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}
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}
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catch (Exception ex)
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{
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logForModel(set, $"Cached local retrieval for {beatmapInfo} failed with {ex}.");
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}
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return false;
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}
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private void logForModel(BeatmapSetInfo set, string message) =>
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RealmArchiveModelImporter<BeatmapSetInfo>.LogForModel(set, $"[{nameof(BeatmapUpdaterMetadataLookup)}] {message}");
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public void Dispose()
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{
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cacheDownloadRequest?.Dispose();
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}
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}
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}
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