From 4db5700e18b98cb34784930707dc4ee2833865b6 Mon Sep 17 00:00:00 2001 From: Ryan Petris Date: Wed, 23 Sep 2020 14:12:26 -0700 Subject: Don't take a lock if there's no intention to manipulate the list of open streams. Instead, use a ConcurrentDictionary so that, in those situations, thread-safe access to the dictionary is ensured. --- .../Library/MediaSourceManager.cs | 51 ++++++++-------------- 1 file changed, 17 insertions(+), 34 deletions(-) (limited to 'Emby.Server.Implementations/Library/MediaSourceManager.cs') diff --git a/Emby.Server.Implementations/Library/MediaSourceManager.cs b/Emby.Server.Implementations/Library/MediaSourceManager.cs index 67cf8bf5b..376a15570 100644 --- a/Emby.Server.Implementations/Library/MediaSourceManager.cs +++ b/Emby.Server.Implementations/Library/MediaSourceManager.cs @@ -1,6 +1,7 @@ #pragma warning disable CS1591 using System; +using System.Collections.Concurrent; using System.Collections.Generic; using System.Globalization; using System.IO; @@ -43,7 +44,7 @@ namespace Emby.Server.Implementations.Library private readonly ILocalizationManager _localizationManager; private readonly IApplicationPaths _appPaths; - private readonly Dictionary _openStreams = new Dictionary(StringComparer.OrdinalIgnoreCase); + private readonly ConcurrentDictionary _openStreams = new ConcurrentDictionary(StringComparer.OrdinalIgnoreCase); private readonly SemaphoreSlim _liveStreamSemaphore = new SemaphoreSlim(1, 1); private IMediaSourceProvider[] _providers; @@ -582,29 +583,20 @@ namespace Emby.Server.Implementations.Library mediaSource.InferTotalBitrate(); } - public async Task GetDirectStreamProviderByUniqueId(string uniqueId, CancellationToken cancellationToken) + public Task GetDirectStreamProviderByUniqueId(string uniqueId, CancellationToken cancellationToken) { - await _liveStreamSemaphore.WaitAsync(cancellationToken).ConfigureAwait(false); - - try + var info = _openStreams.Values.FirstOrDefault(i => { - var info = _openStreams.Values.FirstOrDefault(i => + var liveStream = i as ILiveStream; + if (liveStream != null) { - var liveStream = i as ILiveStream; - if (liveStream != null) - { - return string.Equals(liveStream.UniqueId, uniqueId, StringComparison.OrdinalIgnoreCase); - } + return string.Equals(liveStream.UniqueId, uniqueId, StringComparison.OrdinalIgnoreCase); + } - return false; - }); + return false; + }); - return info as IDirectStreamProvider; - } - finally - { - _liveStreamSemaphore.Release(); - } + return Task.FromResult(info as IDirectStreamProvider); } public async Task OpenLiveStream(LiveStreamRequest request, CancellationToken cancellationToken) @@ -793,29 +785,20 @@ namespace Emby.Server.Implementations.Library return new Tuple(info.MediaSource, info as IDirectStreamProvider); } - private async Task GetLiveStreamInfo(string id, CancellationToken cancellationToken) + private Task GetLiveStreamInfo(string id, CancellationToken cancellationToken) { if (string.IsNullOrEmpty(id)) { throw new ArgumentNullException(nameof(id)); } - await _liveStreamSemaphore.WaitAsync(cancellationToken).ConfigureAwait(false); - - try + if (_openStreams.TryGetValue(id, out ILiveStream info)) { - if (_openStreams.TryGetValue(id, out ILiveStream info)) - { - return info; - } - else - { - throw new ResourceNotFoundException(); - } + return Task.FromResult(info); } - finally + else { - _liveStreamSemaphore.Release(); + return Task.FromException(new ResourceNotFoundException()); } } @@ -844,7 +827,7 @@ namespace Emby.Server.Implementations.Library if (liveStream.ConsumerCount <= 0) { - _openStreams.Remove(id); + _openStreams.TryRemove(id, out _); _logger.LogInformation("Closing live stream {0}", id); -- cgit v1.2.3 From bc7359f87dafb972dfe79667128f307643015bac Mon Sep 17 00:00:00 2001 From: Bond_009 Date: Sat, 14 Nov 2020 15:47:34 +0100 Subject: Use string.Split(char) where possible instead of string.Split(char[]) --- Emby.Dlna/Didl/Filter.cs | 2 +- Emby.Server.Implementations/ApplicationHost.cs | 2 +- .../Data/SqliteItemRepository.cs | 24 +++++++++++----------- Emby.Server.Implementations/Dto/DtoService.cs | 2 +- .../HttpServer/Security/AuthorizationContext.cs | 4 ++-- .../Library/MediaSourceManager.cs | 2 +- .../LiveTv/LiveTvManager.cs | 2 +- Jellyfin.Api/Helpers/RequestHelpers.cs | 2 +- .../Converters/JsonCommaDelimitedArrayConverter.cs | 4 ++-- MediaBrowser.Controller/MediaEncoding/JobLogger.cs | 8 ++++---- .../Subtitles/SubtitleManager.cs | 8 ++++---- 11 files changed, 30 insertions(+), 30 deletions(-) (limited to 'Emby.Server.Implementations/Library/MediaSourceManager.cs') diff --git a/Emby.Dlna/Didl/Filter.cs b/Emby.Dlna/Didl/Filter.cs index b58fdff2c..d703f043e 100644 --- a/Emby.Dlna/Didl/Filter.cs +++ b/Emby.Dlna/Didl/Filter.cs @@ -18,7 +18,7 @@ namespace Emby.Dlna.Didl { _all = string.Equals(filter, "*", StringComparison.OrdinalIgnoreCase); - _fields = (filter ?? string.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries); + _fields = (filter ?? string.Empty).Split(',', StringSplitOptions.RemoveEmptyEntries); } public bool Contains(string field) diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs index f3bd95d80..ea75252c5 100644 --- a/Emby.Server.Implementations/ApplicationHost.cs +++ b/Emby.Server.Implementations/ApplicationHost.cs @@ -1032,7 +1032,7 @@ namespace Emby.Server.Implementations else { // No metafile, so lets see if the folder is versioned. - metafile = dir.Split(new[] { Path.DirectorySeparatorChar }, StringSplitOptions.RemoveEmptyEntries)[^1]; + metafile = dir.Split(Path.DirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries)[^1]; int versionIndex = dir.LastIndexOf('_'); if (versionIndex != -1 && Version.TryParse(dir.Substring(versionIndex + 1), out Version parsedVersion)) diff --git a/Emby.Server.Implementations/Data/SqliteItemRepository.cs b/Emby.Server.Implementations/Data/SqliteItemRepository.cs index 0761b64bd..638c7a9b4 100644 --- a/Emby.Server.Implementations/Data/SqliteItemRepository.cs +++ b/Emby.Server.Implementations/Data/SqliteItemRepository.cs @@ -1007,7 +1007,7 @@ namespace Emby.Server.Implementations.Data return; } - var parts = value.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries); + var parts = value.Split('|', StringSplitOptions.RemoveEmptyEntries); foreach (var part in parts) { @@ -1057,7 +1057,7 @@ namespace Emby.Server.Implementations.Data return; } - var parts = value.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries); + var parts = value.Split('|' , StringSplitOptions.RemoveEmptyEntries); var list = new List(); foreach (var part in parts) { @@ -1096,7 +1096,7 @@ namespace Emby.Server.Implementations.Data public ItemImageInfo ItemImageInfoFromValueString(string value) { - var parts = value.Split(new[] { '*' }, StringSplitOptions.None); + var parts = value.Split('*', StringSplitOptions.None); if (parts.Length < 3) { @@ -1532,7 +1532,7 @@ namespace Emby.Server.Implementations.Data { if (!reader.IsDBNull(index)) { - item.Genres = reader.GetString(index).Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries); + item.Genres = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries); } index++; @@ -1593,7 +1593,7 @@ namespace Emby.Server.Implementations.Data { IEnumerable GetLockedFields(string s) { - foreach (var i in s.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries)) + foreach (var i in s.Split('|', StringSplitOptions.RemoveEmptyEntries)) { if (Enum.TryParse(i, true, out MetadataField parsedValue)) { @@ -1612,7 +1612,7 @@ namespace Emby.Server.Implementations.Data { if (!reader.IsDBNull(index)) { - item.Studios = reader.GetString(index).Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries); + item.Studios = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries); } index++; @@ -1622,7 +1622,7 @@ namespace Emby.Server.Implementations.Data { if (!reader.IsDBNull(index)) { - item.Tags = reader.GetString(index).Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries); + item.Tags = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries); } index++; @@ -1636,7 +1636,7 @@ namespace Emby.Server.Implementations.Data { IEnumerable GetTrailerTypes(string s) { - foreach (var i in s.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries)) + foreach (var i in s.Split('|', StringSplitOptions.RemoveEmptyEntries)) { if (Enum.TryParse(i, true, out TrailerType parsedValue)) { @@ -1811,7 +1811,7 @@ namespace Emby.Server.Implementations.Data { if (!reader.IsDBNull(index)) { - item.ProductionLocations = reader.GetString(index).Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries).ToArray(); + item.ProductionLocations = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries).ToArray(); } index++; @@ -1848,14 +1848,14 @@ namespace Emby.Server.Implementations.Data { if (item is IHasArtist hasArtists && !reader.IsDBNull(index)) { - hasArtists.Artists = reader.GetString(index).Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries); + hasArtists.Artists = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries); } index++; if (item is IHasAlbumArtist hasAlbumArtists && !reader.IsDBNull(index)) { - hasAlbumArtists.AlbumArtists = reader.GetString(index).Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries); + hasAlbumArtists.AlbumArtists = reader.GetString(index).Split('|', StringSplitOptions.RemoveEmptyEntries); } index++; @@ -5611,7 +5611,7 @@ where AncestorIdText not null and ItemValues.Value not null and ItemValues.Type return counts; } - var allTypes = typeString.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries) + var allTypes = typeString.Split('|', StringSplitOptions.RemoveEmptyEntries) .ToLookup(x => x); foreach (var type in allTypes) diff --git a/Emby.Server.Implementations/Dto/DtoService.cs b/Emby.Server.Implementations/Dto/DtoService.cs index 73502c2c9..f3e3a6397 100644 --- a/Emby.Server.Implementations/Dto/DtoService.cs +++ b/Emby.Server.Implementations/Dto/DtoService.cs @@ -275,7 +275,7 @@ namespace Emby.Server.Implementations.Dto continue; } - var containers = container.Split(new[] { ',' }); + var containers = container.Split(','); if (containers.Length < 2) { continue; diff --git a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs b/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs index e733c9092..ea22b260e 100644 --- a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs +++ b/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs @@ -245,7 +245,7 @@ namespace Emby.Server.Implementations.HttpServer.Security return null; } - var parts = authorizationHeader.Split(new[] { ' ' }, 2); + var parts = authorizationHeader.Split(' ', 2); // There should be at least to parts if (parts.Length != 2) @@ -269,7 +269,7 @@ namespace Emby.Server.Implementations.HttpServer.Security foreach (var item in parts) { - var param = item.Trim().Split(new[] { '=' }, 2); + var param = item.Trim().Split('=', 2); if (param.Length == 2) { diff --git a/Emby.Server.Implementations/Library/MediaSourceManager.cs b/Emby.Server.Implementations/Library/MediaSourceManager.cs index 376a15570..928f5f88e 100644 --- a/Emby.Server.Implementations/Library/MediaSourceManager.cs +++ b/Emby.Server.Implementations/Library/MediaSourceManager.cs @@ -849,7 +849,7 @@ namespace Emby.Server.Implementations.Library throw new ArgumentException("Key can't be empty.", nameof(key)); } - var keys = key.Split(new[] { LiveStreamIdDelimeter }, 2); + var keys = key.Split(LiveStreamIdDelimeter, 2); var provider = _providers.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture), keys[0], StringComparison.OrdinalIgnoreCase)); diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs index 5b9c5761e..8c9bb6ba0 100644 --- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs +++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs @@ -2208,7 +2208,7 @@ namespace Emby.Server.Implementations.LiveTv /// Task. public Task ResetTuner(string id, CancellationToken cancellationToken) { - var parts = id.Split(new[] { '_' }, 2); + var parts = id.Split('_', 2); var service = _services.FirstOrDefault(i => string.Equals(i.GetType().FullName.GetMD5().ToString("N", CultureInfo.InvariantCulture), parts[0], StringComparison.OrdinalIgnoreCase)); diff --git a/Jellyfin.Api/Helpers/RequestHelpers.cs b/Jellyfin.Api/Helpers/RequestHelpers.cs index 13d6da317..f06f038ab 100644 --- a/Jellyfin.Api/Helpers/RequestHelpers.cs +++ b/Jellyfin.Api/Helpers/RequestHelpers.cs @@ -74,7 +74,7 @@ namespace Jellyfin.Api.Helpers } return removeEmpty - ? value.Split(new[] { separator }, StringSplitOptions.RemoveEmptyEntries) + ? value.Split(separator, StringSplitOptions.RemoveEmptyEntries) : value.Split(separator); } diff --git a/MediaBrowser.Common/Json/Converters/JsonCommaDelimitedArrayConverter.cs b/MediaBrowser.Common/Json/Converters/JsonCommaDelimitedArrayConverter.cs index b24a49761..06a29a0db 100644 --- a/MediaBrowser.Common/Json/Converters/JsonCommaDelimitedArrayConverter.cs +++ b/MediaBrowser.Common/Json/Converters/JsonCommaDelimitedArrayConverter.cs @@ -26,7 +26,7 @@ namespace MediaBrowser.Common.Json.Converters { if (reader.TokenType == JsonTokenType.String) { - var stringEntries = reader.GetString()?.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries); + var stringEntries = reader.GetString()?.Split(',', StringSplitOptions.RemoveEmptyEntries); if (stringEntries == null || stringEntries.Length == 0) { return Array.Empty(); @@ -71,4 +71,4 @@ namespace MediaBrowser.Common.Json.Converters JsonSerializer.Serialize(writer, value, options); } } -} \ No newline at end of file +} diff --git a/MediaBrowser.Controller/MediaEncoding/JobLogger.cs b/MediaBrowser.Controller/MediaEncoding/JobLogger.cs index ac520c5c4..cc8820f39 100644 --- a/MediaBrowser.Controller/MediaEncoding/JobLogger.cs +++ b/MediaBrowser.Controller/MediaEncoding/JobLogger.cs @@ -93,7 +93,7 @@ namespace MediaBrowser.Controller.MediaEncoding } else if (part.StartsWith("fps=", StringComparison.OrdinalIgnoreCase)) { - var rate = part.Split(new[] { '=' }, 2)[^1]; + var rate = part.Split('=', 2)[^1]; if (float.TryParse(rate, NumberStyles.Any, _usCulture, out var val)) { @@ -103,7 +103,7 @@ namespace MediaBrowser.Controller.MediaEncoding else if (state.RunTimeTicks.HasValue && part.StartsWith("time=", StringComparison.OrdinalIgnoreCase)) { - var time = part.Split(new[] { '=' }, 2).Last(); + var time = part.Split('=', 2)[^1]; if (TimeSpan.TryParse(time, _usCulture, out var val)) { @@ -116,7 +116,7 @@ namespace MediaBrowser.Controller.MediaEncoding } else if (part.StartsWith("size=", StringComparison.OrdinalIgnoreCase)) { - var size = part.Split(new[] { '=' }, 2).Last(); + var size = part.Split('=', 2)[^1]; int? scale = null; if (size.IndexOf("kb", StringComparison.OrdinalIgnoreCase) != -1) @@ -135,7 +135,7 @@ namespace MediaBrowser.Controller.MediaEncoding } else if (part.StartsWith("bitrate=", StringComparison.OrdinalIgnoreCase)) { - var rate = part.Split(new[] { '=' }, 2).Last(); + var rate = part.Split('=', 2)[^1]; int? scale = null; if (rate.IndexOf("kbits/s", StringComparison.OrdinalIgnoreCase) != -1) diff --git a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs index f3fbe2d12..6ec7c163f 100644 --- a/MediaBrowser.Providers/Subtitles/SubtitleManager.cs +++ b/MediaBrowser.Providers/Subtitles/SubtitleManager.cs @@ -147,7 +147,7 @@ namespace MediaBrowser.Providers.Subtitles string subtitleId, CancellationToken cancellationToken) { - var parts = subtitleId.Split(new[] { '_' }, 2); + var parts = subtitleId.Split('_', 2); var provider = GetProvider(parts[0]); try @@ -329,7 +329,7 @@ namespace MediaBrowser.Providers.Subtitles Index = index, ItemId = item.Id, Type = MediaStreamType.Subtitle - }).First(); + })[0]; var path = stream.Path; _monitor.ReportFileSystemChangeBeginning(path); @@ -349,10 +349,10 @@ namespace MediaBrowser.Providers.Subtitles /// public Task GetRemoteSubtitles(string id, CancellationToken cancellationToken) { - var parts = id.Split(new[] { '_' }, 2); + var parts = id.Split('_', 2); var provider = GetProvider(parts[0]); - id = parts.Last(); + id = parts[1]; return provider.GetSubtitles(id, cancellationToken); } -- cgit v1.2.3