diff options
Diffstat (limited to 'Emby.Server.Implementations/LiveTv')
13 files changed, 182 insertions, 335 deletions
diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs index 341194f23..7a6b1d8b6 100644 --- a/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs +++ b/Emby.Server.Implementations/LiveTv/EmbyTV/DirectRecorder.cs @@ -45,7 +45,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV { Directory.CreateDirectory(Path.GetDirectoryName(targetFile)); - using (var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.Read)) + // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 . + using (var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.None)) { onStarted(); @@ -70,7 +71,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV Directory.CreateDirectory(Path.GetDirectoryName(targetFile)); - await using var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.Read); + // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 . + await using var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.None); onStarted(); diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs index 13b5a1c55..28a2095e1 100644 --- a/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs +++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EmbyTV.cs @@ -17,7 +17,6 @@ using Jellyfin.Data.Enums; using Jellyfin.Data.Events; using MediaBrowser.Common.Configuration; using MediaBrowser.Common.Extensions; -using MediaBrowser.Common.Net; using MediaBrowser.Common.Progress; using MediaBrowser.Controller; using MediaBrowser.Controller.Configuration; @@ -802,22 +801,22 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV public ActiveRecordingInfo GetActiveRecordingInfo(string path) { - if (string.IsNullOrWhiteSpace(path)) + if (string.IsNullOrWhiteSpace(path) || _activeRecordings.IsEmpty) { return null; } - foreach (var recording in _activeRecordings.Values) + foreach (var (_, recordingInfo) in _activeRecordings) { - if (string.Equals(recording.Path, path, StringComparison.Ordinal) && !recording.CancellationTokenSource.IsCancellationRequested) + if (string.Equals(recordingInfo.Path, path, StringComparison.Ordinal) && !recordingInfo.CancellationTokenSource.IsCancellationRequested) { - var timer = recording.Timer; + var timer = recordingInfo.Timer; if (timer.Status != RecordingStatus.InProgress) { return null; } - return recording; + return recordingInfo; } } @@ -1622,9 +1621,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV } return _activeRecordings - .Values - .ToList() - .Any(i => string.Equals(i.Path, path, StringComparison.OrdinalIgnoreCase) && !string.Equals(i.Timer.Id, timerId, StringComparison.OrdinalIgnoreCase)); + .Any(i => string.Equals(i.Value.Path, path, StringComparison.OrdinalIgnoreCase) && !string.Equals(i.Value.Timer.Id, timerId, StringComparison.OrdinalIgnoreCase)); } private IRecorder GetRecorder(MediaSourceInfo mediaSource) @@ -1856,7 +1853,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV return; } - using (var stream = new FileStream(nfoPath, FileMode.Create, FileAccess.Write, FileShare.Read)) + // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 . + using (var stream = new FileStream(nfoPath, FileMode.Create, FileAccess.Write, FileShare.None)) { var settings = new XmlWriterSettings { @@ -1920,7 +1918,8 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV return; } - using (var stream = new FileStream(nfoPath, FileMode.Create, FileAccess.Write, FileShare.Read)) + // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 . + using (var stream = new FileStream(nfoPath, FileMode.Create, FileAccess.Write, FileShare.None)) { var settings = new XmlWriterSettings { @@ -2238,14 +2237,10 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV var enabledTimersForSeries = new List<TimerInfo>(); foreach (var timer in allTimers) { - var existingTimer = _timerProvider.GetTimer(timer.Id); - - if (existingTimer == null) - { - existingTimer = string.IsNullOrWhiteSpace(timer.ProgramId) + var existingTimer = _timerProvider.GetTimer(timer.Id) + ?? (string.IsNullOrWhiteSpace(timer.ProgramId) ? null - : _timerProvider.GetTimerByProgramId(timer.ProgramId); - } + : _timerProvider.GetTimerByProgramId(timer.ProgramId)); if (existingTimer == null) { diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs index 78a82118e..9372b0f6c 100644 --- a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs +++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs @@ -10,6 +10,7 @@ using System.Text.Json; using System.Threading; using System.Threading.Tasks; using MediaBrowser.Common.Configuration; +using MediaBrowser.Common.Extensions; using MediaBrowser.Common.Json; using MediaBrowser.Controller; using MediaBrowser.Controller.Configuration; @@ -28,7 +29,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV private readonly IServerApplicationPaths _appPaths; private readonly TaskCompletionSource<bool> _taskCompletionSource = new TaskCompletionSource<bool>(); private readonly IServerConfigurationManager _serverConfigurationManager; - private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.GetOptions(); + private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options; private bool _hasExited; private Stream _logFileStream; private string _targetPath; @@ -307,13 +308,11 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV { using (var reader = new StreamReader(source)) { - while (!reader.EndOfStream) + await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false)) { - var line = await reader.ReadLineAsync().ConfigureAwait(false); - var bytes = Encoding.UTF8.GetBytes(Environment.NewLine + line); - await target.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false); + await target.WriteAsync(bytes.AsMemory()).ConfigureAwait(false); await target.FlushAsync().ConfigureAwait(false); } } diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs index 463d0ed0a..8c27ca76e 100644 --- a/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs +++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EpgChannelData.cs @@ -9,55 +9,44 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV internal class EpgChannelData { + + private readonly Dictionary<string, ChannelInfo> _channelsById; + + private readonly Dictionary<string, ChannelInfo> _channelsByNumber; + + private readonly Dictionary<string, ChannelInfo> _channelsByName; + public EpgChannelData(IEnumerable<ChannelInfo> channels) { - ChannelsById = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase); - ChannelsByNumber = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase); - ChannelsByName = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase); + _channelsById = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase); + _channelsByNumber = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase); + _channelsByName = new Dictionary<string, ChannelInfo>(StringComparer.OrdinalIgnoreCase); foreach (var channel in channels) { - ChannelsById[channel.Id] = channel; + _channelsById[channel.Id] = channel; if (!string.IsNullOrEmpty(channel.Number)) { - ChannelsByNumber[channel.Number] = channel; + _channelsByNumber[channel.Number] = channel; } var normalizedName = NormalizeName(channel.Name ?? string.Empty); if (!string.IsNullOrWhiteSpace(normalizedName)) { - ChannelsByName[normalizedName] = channel; + _channelsByName[normalizedName] = channel; } } } - private Dictionary<string, ChannelInfo> ChannelsById { get; set; } - - private Dictionary<string, ChannelInfo> ChannelsByNumber { get; set; } - - private Dictionary<string, ChannelInfo> ChannelsByName { get; set; } - public ChannelInfo GetChannelById(string id) - { - ChannelsById.TryGetValue(id, out var result); - - return result; - } + => _channelsById.GetValueOrDefault(id); public ChannelInfo GetChannelByNumber(string number) - { - ChannelsByNumber.TryGetValue(number, out var result); - - return result; - } + => _channelsByNumber.GetValueOrDefault(number); public ChannelInfo GetChannelByName(string name) - { - ChannelsByName.TryGetValue(name, out var result); - - return result; - } + => _channelsByName.GetValueOrDefault(name); public static string NormalizeName(string value) { diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs index 57424f043..1cac9cb96 100644 --- a/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs +++ b/Emby.Server.Implementations/LiveTv/EmbyTV/ItemDataProvider.cs @@ -4,9 +4,7 @@ using System; using System.Collections.Generic; using System.IO; using System.Linq; -using System.Text; using System.Text.Json; -using System.Threading.Tasks; using MediaBrowser.Common.Json; using Microsoft.Extensions.Logging; @@ -17,7 +15,7 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV { private readonly string _dataPath; private readonly object _fileDataLock = new object(); - private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.GetOptions(); + private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options; private T[] _items; public ItemDataProvider( diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs index da707fec6..b1259de23 100644 --- a/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs +++ b/Emby.Server.Implementations/LiveTv/EmbyTV/SeriesTimerManager.cs @@ -2,7 +2,6 @@ using System; using MediaBrowser.Controller.LiveTv; -using MediaBrowser.Model.Serialization; using Microsoft.Extensions.Logging; namespace Emby.Server.Implementations.LiveTv.EmbyTV diff --git a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs index 6d7c5ac6e..9af65cabb 100644 --- a/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs +++ b/Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs @@ -35,7 +35,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings private readonly ICryptoProvider _cryptoProvider; private readonly ConcurrentDictionary<string, NameValuePair> _tokens = new ConcurrentDictionary<string, NameValuePair>(); - private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.GetOptions(); + private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.Options; private DateTime _lastErrorResponse; public SchedulesDirect( @@ -787,14 +787,11 @@ namespace Emby.Server.Implementations.LiveTv.Listings { var channelNumber = GetChannelNumber(channel); - var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase)); - if (station == null) - { - station = new ScheduleDirect.Station + var station = allStations.Find(item => string.Equals(item.stationID, channel.stationID, StringComparison.OrdinalIgnoreCase)) + ?? new ScheduleDirect.Station { stationID = channel.stationID }; - } var channelInfo = new ChannelInfo { diff --git a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs index 76c875737..6824aa442 100644 --- a/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs +++ b/Emby.Server.Implementations/LiveTv/Listings/XmlTvListingsProvider.cs @@ -4,7 +4,6 @@ using System; using System.Collections.Generic; using System.Globalization; using System.IO; -using System.IO.Compression; using System.Linq; using System.Net.Http; using System.Threading; diff --git a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs index 63a3146aa..1145d8aa1 100644 --- a/Emby.Server.Implementations/LiveTv/LiveTvManager.cs +++ b/Emby.Server.Implementations/LiveTv/LiveTvManager.cs @@ -987,10 +987,7 @@ namespace Emby.Server.Implementations.LiveTv var externalProgramId = programTuple.Item2; string externalSeriesId = programTuple.Item3; - if (timerList == null) - { - timerList = (await GetTimersInternal(new TimerQuery(), cancellationToken).ConfigureAwait(false)).Items; - } + timerList ??= (await GetTimersInternal(new TimerQuery(), cancellationToken).ConfigureAwait(false)).Items; var timer = timerList.FirstOrDefault(i => string.Equals(i.ProgramId, externalProgramId, StringComparison.OrdinalIgnoreCase)); var foundSeriesTimer = false; @@ -1018,10 +1015,7 @@ namespace Emby.Server.Implementations.LiveTv continue; } - if (seriesTimerList == null) - { - seriesTimerList = (await GetSeriesTimersInternal(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false)).Items; - } + seriesTimerList ??= (await GetSeriesTimersInternal(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false)).Items; var seriesTimer = seriesTimerList.FirstOrDefault(i => string.Equals(i.SeriesId, externalSeriesId, StringComparison.OrdinalIgnoreCase)); @@ -1974,10 +1968,7 @@ namespace Emby.Server.Implementations.LiveTv }; } - if (service == null) - { - service = _services[0]; - } + service ??= _services[0]; var info = await service.GetNewTimerDefaultsAsync(cancellationToken, programInfo).ConfigureAwait(false); diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs index 0760e8127..324109bcf 100644 --- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs +++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs @@ -8,10 +8,8 @@ using System.Linq; using System.Net; using System.Net.Http; using System.Text.Json; -using System.Text.Json.Serialization; using System.Threading; using System.Threading.Tasks; -using MediaBrowser.Common.Configuration; using MediaBrowser.Common.Extensions; using MediaBrowser.Common.Json; using MediaBrowser.Common.Net; @@ -19,7 +17,6 @@ using MediaBrowser.Controller; using MediaBrowser.Controller.Configuration; using MediaBrowser.Controller.Library; using MediaBrowser.Controller.LiveTv; -using MediaBrowser.Model.Configuration; using MediaBrowser.Model.Dto; using MediaBrowser.Model.Entities; using MediaBrowser.Model.IO; @@ -61,7 +58,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun _networkManager = networkManager; _streamHelper = streamHelper; - _jsonOptions = JsonDefaults.GetOptions(); + _jsonOptions = JsonDefaults.Options; } public string Name => "HD Homerun"; @@ -185,16 +182,16 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false); using var sr = new StreamReader(stream, System.Text.Encoding.UTF8); var tuners = new List<LiveTvTunerInfo>(); - while (!sr.EndOfStream) + await foreach (var line in sr.ReadAllLinesAsync().ConfigureAwait(false)) { - string line = StripXML(sr.ReadLine()); - if (line.Contains("Channel", StringComparison.Ordinal)) + string stripedLine = StripXML(line); + if (stripedLine.Contains("Channel", StringComparison.Ordinal)) { LiveTvTunerStatus status; - var index = line.IndexOf("Channel", StringComparison.OrdinalIgnoreCase); - var name = line.Substring(0, index - 1); - var currentChannel = line.Substring(index + 7); - if (currentChannel != "none") + var index = stripedLine.IndexOf("Channel", StringComparison.OrdinalIgnoreCase); + var name = stripedLine.Substring(0, index - 1); + var currentChannel = stripedLine.Substring(index + 7); + if (string.Equals(currentChannel, "none", StringComparison.Ordinal)) { status = LiveTvTunerStatus.LiveTv; } @@ -424,10 +421,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun string audioCodec = channelInfo.AudioCodec; - if (!videoBitrate.HasValue) - { - videoBitrate = isHd ? 15000000 : 2000000; - } + videoBitrate ??= isHd ? 15000000 : 2000000; int? audioBitrate = isHd ? 448000 : 192000; @@ -664,7 +658,9 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun _modelCache.Clear(); } - cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(new CancellationTokenSource(discoveryDurationMs).Token, cancellationToken).Token; + using var timedCancellationToken = new CancellationTokenSource(discoveryDurationMs); + using var linkedCancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(timedCancellationToken.Token, cancellationToken); + cancellationToken = linkedCancellationTokenSource.Token; var list = new List<TunerHostInfo>(); // Create udp broadcast discovery message diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs index f09338330..a7fda1d72 100644 --- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs +++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs @@ -2,6 +2,7 @@ using System; using System.Buffers; +using System.Buffers.Binary; using System.Collections.Generic; using System.Globalization; using System.Net; @@ -10,6 +11,7 @@ using System.Text; using System.Text.RegularExpressions; using System.Threading; using System.Threading.Tasks; +using MediaBrowser.Common; using MediaBrowser.Controller.LiveTv; namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun @@ -120,17 +122,15 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun private static async Task<bool> CheckTunerAvailability(NetworkStream stream, int tuner, CancellationToken cancellationToken) { - var lockkeyMsg = CreateGetMessage(tuner, "lockkey"); - await stream.WriteAsync(lockkeyMsg, 0, lockkeyMsg.Length, cancellationToken).ConfigureAwait(false); - byte[] buffer = ArrayPool<byte>.Shared.Rent(8192); try { - int receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false); + var msgLen = WriteGetMessage(buffer, tuner, "lockkey"); + await stream.WriteAsync(buffer.AsMemory(0, msgLen), cancellationToken).ConfigureAwait(false); - ParseReturnMessage(buffer, receivedBytes, out string returnVal); + int receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false); - return string.Equals(returnVal, "none", StringComparison.OrdinalIgnoreCase); + return VerifyReturnValueOfGetSet(buffer.AsSpan(receivedBytes), "none"); } finally { @@ -166,24 +166,24 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun _activeTuner = i; var lockKeyString = string.Format(CultureInfo.InvariantCulture, "{0:d}", lockKeyValue); - var lockkeyMsg = CreateSetMessage(i, "lockkey", lockKeyString, null); - await stream.WriteAsync(lockkeyMsg, 0, lockkeyMsg.Length, cancellationToken).ConfigureAwait(false); - int receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false); + var lockkeyMsgLen = WriteSetMessage(buffer, i, "lockkey", lockKeyString, null); + await stream.WriteAsync(buffer.AsMemory(0, lockkeyMsgLen), cancellationToken).ConfigureAwait(false); + int receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false); // parse response to make sure it worked - if (!ParseReturnMessage(buffer, receivedBytes, out _)) + if (!TryGetReturnValueOfGetSet(buffer.AsSpan(0, receivedBytes), out _)) { continue; } foreach (var command in commands.GetCommands()) { - var channelMsg = CreateSetMessage(i, command.Item1, command.Item2, lockKeyValue); - await stream.WriteAsync(channelMsg, 0, channelMsg.Length, cancellationToken).ConfigureAwait(false); - receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false); + var channelMsgLen = WriteSetMessage(buffer, i, command.Item1, command.Item2, lockKeyValue); + await stream.WriteAsync(buffer.AsMemory(0, channelMsgLen), cancellationToken).ConfigureAwait(false); + receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false); // parse response to make sure it worked - if (!ParseReturnMessage(buffer, receivedBytes, out _)) + if (!TryGetReturnValueOfGetSet(buffer.AsSpan(0, receivedBytes), out _)) { await ReleaseLockkey(_tcpClient, lockKeyValue).ConfigureAwait(false); continue; @@ -191,13 +191,13 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun } var targetValue = string.Format(CultureInfo.InvariantCulture, "rtp://{0}:{1}", localIp, localPort); - var targetMsg = CreateSetMessage(i, "target", targetValue, lockKeyValue); + var targetMsgLen = WriteSetMessage(buffer, i, "target", targetValue, lockKeyValue); - await stream.WriteAsync(targetMsg, 0, targetMsg.Length, cancellationToken).ConfigureAwait(false); - receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false); + await stream.WriteAsync(buffer.AsMemory(0, targetMsgLen), cancellationToken).ConfigureAwait(false); + receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false); // parse response to make sure it worked - if (!ParseReturnMessage(buffer, receivedBytes, out _)) + if (!TryGetReturnValueOfGetSet(buffer.AsSpan(0, receivedBytes), out _)) { await ReleaseLockkey(_tcpClient, lockKeyValue).ConfigureAwait(false); continue; @@ -232,12 +232,12 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun { foreach (var command in commandList) { - var channelMsg = CreateSetMessage(_activeTuner, command.Item1, command.Item2, _lockkey); - await stream.WriteAsync(channelMsg, 0, channelMsg.Length, cancellationToken).ConfigureAwait(false); - int receivedBytes = await stream.ReadAsync(buffer, 0, buffer.Length, cancellationToken).ConfigureAwait(false); + var channelMsgLen = WriteSetMessage(buffer, _activeTuner, command.Item1, command.Item2, _lockkey); + await stream.WriteAsync(buffer.AsMemory(0, channelMsgLen), cancellationToken).ConfigureAwait(false); + int receivedBytes = await stream.ReadAsync(buffer, cancellationToken).ConfigureAwait(false); // parse response to make sure it worked - if (!ParseReturnMessage(buffer, receivedBytes, out _)) + if (!TryGetReturnValueOfGetSet(buffer.AsSpan(0, receivedBytes), out _)) { return; } @@ -265,17 +265,17 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun { var stream = client.GetStream(); - var releaseTarget = CreateSetMessage(_activeTuner, "target", "none", lockKeyValue); - await stream.WriteAsync(releaseTarget, 0, releaseTarget.Length).ConfigureAwait(false); - var buffer = ArrayPool<byte>.Shared.Rent(8192); try { - await stream.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false); - var releaseKeyMsg = CreateSetMessage(_activeTuner, "lockkey", "none", lockKeyValue); + var releaseTargetLen = WriteSetMessage(buffer, _activeTuner, "target", "none", lockKeyValue); + await stream.WriteAsync(buffer.AsMemory(0, releaseTargetLen)).ConfigureAwait(false); + + await stream.ReadAsync(buffer).ConfigureAwait(false); + var releaseKeyMsgLen = WriteSetMessage(buffer, _activeTuner, "lockkey", "none", lockKeyValue); _lockkey = null; - await stream.WriteAsync(releaseKeyMsg, 0, releaseKeyMsg.Length).ConfigureAwait(false); - await stream.ReadAsync(buffer, 0, buffer.Length).ConfigureAwait(false); + await stream.WriteAsync(buffer.AsMemory(0, releaseKeyMsgLen)).ConfigureAwait(false); + await stream.ReadAsync(buffer).ConfigureAwait(false); } finally { @@ -283,249 +283,136 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun } } - private static byte[] CreateGetMessage(int tuner, string name) + internal static int WriteGetMessage(Span<byte> buffer, int tuner, string name) { - var byteName = Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "/tuner{0}/{1}\0", tuner, name)); - int messageLength = byteName.Length + 10; // 4 bytes for header + 4 bytes for crc + 2 bytes for tag name and length - - var message = new byte[messageLength]; + var byteName = string.Format(CultureInfo.InvariantCulture, "/tuner{0}/{1}", tuner, name); + int offset = WriteHeaderAndPayload(buffer, byteName); + return FinishPacket(buffer, offset); + } - int offset = InsertHeaderAndName(byteName, messageLength, message); + internal static int WriteSetMessage(Span<byte> buffer, int tuner, string name, string value, uint? lockkey) + { + var byteName = string.Format(CultureInfo.InvariantCulture, "/tuner{0}/{1}", tuner, name); + int offset = WriteHeaderAndPayload(buffer, byteName); - bool flipEndian = BitConverter.IsLittleEndian; + buffer[offset++] = GetSetValue; + offset += WriteNullTerminatedString(buffer.Slice(offset), value); - // calculate crc and insert at the end of the message - var crcBytes = BitConverter.GetBytes(HdHomerunCrc.GetCrc32(message, messageLength - 4)); - if (flipEndian) + if (lockkey.HasValue) { - Array.Reverse(crcBytes); + buffer[offset++] = GetSetLockkey; + buffer[offset++] = 4; + BinaryPrimitives.WriteUInt32BigEndian(buffer.Slice(offset), lockkey.Value); + offset += 4; } - Buffer.BlockCopy(crcBytes, 0, message, offset, 4); - - return message; + return FinishPacket(buffer, offset); } - private static byte[] CreateSetMessage(int tuner, string name, string value, uint? lockkey) + internal static int WriteNullTerminatedString(Span<byte> buffer, ReadOnlySpan<char> payload) { - var byteName = Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "/tuner{0}/{1}\0", tuner, name)); - var byteValue = Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "{0}\0", value)); + int len = Encoding.UTF8.GetBytes(payload, buffer.Slice(1)) + 1; - int messageLength = byteName.Length + byteValue.Length + 12; - if (lockkey.HasValue) - { - messageLength += 6; - } - - var message = new byte[messageLength]; + // TODO: variable length: this can be 2 bytes if len > 127 + // Write length in front of value + buffer[0] = Convert.ToByte(len); - int offset = InsertHeaderAndName(byteName, messageLength, message); + // null-terminate + buffer[len++] = 0; - bool flipEndian = BitConverter.IsLittleEndian; + return len; + } - message[offset++] = GetSetValue; - message[offset++] = Convert.ToByte(byteValue.Length); - Buffer.BlockCopy(byteValue, 0, message, offset, byteValue.Length); - offset += byteValue.Length; - if (lockkey.HasValue) - { - message[offset++] = GetSetLockkey; - message[offset++] = 4; - var lockKeyBytes = BitConverter.GetBytes(lockkey.Value); - if (flipEndian) - { - Array.Reverse(lockKeyBytes); - } + private static int WriteHeaderAndPayload(Span<byte> buffer, ReadOnlySpan<char> payload) + { + // Packet type + BinaryPrimitives.WriteUInt16BigEndian(buffer, GetSetRequest); - Buffer.BlockCopy(lockKeyBytes, 0, message, offset, 4); - offset += 4; - } + // We write the payload length at the end + int offset = 4; - // calculate crc and insert at the end of the message - var crcBytes = BitConverter.GetBytes(HdHomerunCrc.GetCrc32(message, messageLength - 4)); - if (flipEndian) - { - Array.Reverse(crcBytes); - } + // Tag + buffer[offset++] = GetSetName; - Buffer.BlockCopy(crcBytes, 0, message, offset, 4); + // Payload length + data + int strLen = WriteNullTerminatedString(buffer.Slice(offset), payload); + offset += strLen; - return message; + return offset; } - private static int InsertHeaderAndName(byte[] byteName, int messageLength, byte[] message) + private static int FinishPacket(Span<byte> buffer, int offset) { - // check to see if we need to flip endiannes - bool flipEndian = BitConverter.IsLittleEndian; - int offset = 0; - - // create header bytes - var getSetBytes = BitConverter.GetBytes(GetSetRequest); - var msgLenBytes = BitConverter.GetBytes((ushort)(messageLength - 8)); // Subtrace 4 bytes for header and 4 bytes for crc - - if (flipEndian) - { - Array.Reverse(getSetBytes); - Array.Reverse(msgLenBytes); - } - - // insert header bytes into message - Buffer.BlockCopy(getSetBytes, 0, message, offset, 2); - offset += 2; - Buffer.BlockCopy(msgLenBytes, 0, message, offset, 2); - offset += 2; + // Payload length + BinaryPrimitives.WriteUInt16BigEndian(buffer.Slice(2), (ushort)(offset - 4)); - // insert tag name and length - message[offset++] = GetSetName; - message[offset++] = Convert.ToByte(byteName.Length); + // calculate crc and insert at the end of the message + var crc = Crc32.Compute(buffer.Slice(0, offset)); + BinaryPrimitives.WriteUInt32LittleEndian(buffer.Slice(offset), crc); - // insert name string - Buffer.BlockCopy(byteName, 0, message, offset, byteName.Length); - offset += byteName.Length; + return offset + 4; + } - return offset; + internal static bool VerifyReturnValueOfGetSet(ReadOnlySpan<byte> buffer, string expected) + { + return TryGetReturnValueOfGetSet(buffer, out var value) + && string.Equals(Encoding.UTF8.GetString(value), expected, StringComparison.OrdinalIgnoreCase); } - private static bool ParseReturnMessage(byte[] buf, int numBytes, out string returnVal) + internal static bool TryGetReturnValueOfGetSet(ReadOnlySpan<byte> buffer, out ReadOnlySpan<byte> value) { - returnVal = string.Empty; + value = ReadOnlySpan<byte>.Empty; - if (numBytes < 4) + if (buffer.Length < 8) { return false; } - var flipEndian = BitConverter.IsLittleEndian; - int offset = 0; - byte[] msgTypeBytes = new byte[2]; - Buffer.BlockCopy(buf, offset, msgTypeBytes, 0, msgTypeBytes.Length); - - if (flipEndian) + uint crc = BinaryPrimitives.ReadUInt32LittleEndian(buffer[^4..]); + if (crc != Crc32.Compute(buffer[..^4])) { - Array.Reverse(msgTypeBytes); + return false; } - var msgType = BitConverter.ToUInt16(msgTypeBytes, 0); - offset += 2; - - if (msgType != GetSetReply) + if (BinaryPrimitives.ReadUInt16BigEndian(buffer) != GetSetReply) { return false; } - byte[] msgLengthBytes = new byte[2]; - Buffer.BlockCopy(buf, offset, msgLengthBytes, 0, msgLengthBytes.Length); - if (flipEndian) + var msgLength = BinaryPrimitives.ReadUInt16BigEndian(buffer.Slice(2)); + if (buffer.Length != 2 + 2 + 4 + msgLength) { - Array.Reverse(msgLengthBytes); + return false; } - var msgLength = BitConverter.ToUInt16(msgLengthBytes, 0); - offset += 2; - - if (numBytes < msgLength + 8) + var offset = 4; + if (buffer[offset++] != GetSetName) { return false; } - offset++; // Name Tag - - var nameLength = buf[offset++]; + var nameLength = buffer[offset++]; + if (buffer.Length < 4 + 1 + offset + nameLength) + { + return false; + } - // skip the name field to get to value for return offset += nameLength; - offset++; // Value Tag - - var valueLength = buf[offset++]; - - returnVal = Encoding.UTF8.GetString(buf, offset, valueLength - 1); // remove null terminator - return true; - } - - private static class HdHomerunCrc - { - private static uint[] crc_table = { - 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, - 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, - 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, - 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, - 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, - 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, - 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, - 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, - 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, - 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, - 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, - 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, - 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, - 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, - 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, - 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, - 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, - 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, - 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, - 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, - 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, - 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, - 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, - 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, - 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, - 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, - 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, - 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, - 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, - 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, - 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, - 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, - 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, - 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, - 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, - 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, - 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, - 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, - 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, - 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, - 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, - 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, - 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, - 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, - 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, - 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, - 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, - 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, - 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, - 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, - 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, - 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, - 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, - 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, - 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, - 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, - 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, - 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, - 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, - 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, - 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, - 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, - 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, - 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d }; - - public static uint GetCrc32(byte[] bytes, int numBytes) + if (buffer[offset++] != GetSetValue) { - var hash = 0xffffffff; - for (var i = 0; i < numBytes; i++) - { - hash = (hash >> 8) ^ crc_table[(hash ^ bytes[i]) & 0xff]; - } + return false; + } - var tmp = ~hash & 0xffffffff; - var b0 = tmp & 0xff; - var b1 = (tmp >> 8) & 0xff; - var b2 = (tmp >> 16) & 0xff; - var b3 = (tmp >> 24) & 0xff; - return (b0 << 24) | (b1 << 16) | (b2 << 8) | b3; + var valueLength = buffer[offset++]; + if (buffer.Length < 4 + offset + valueLength) + { + return false; } + + // remove null terminator + value = buffer.Slice(offset, valueLength - 1); + return true; } } } diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs index 78e62ff0a..f8baf55da 100644 --- a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs +++ b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs @@ -150,7 +150,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts public async Task CopyToAsync(Stream stream, CancellationToken cancellationToken) { - cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, LiveStreamCancellationTokenSource.Token).Token; + using var linkedCancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, LiveStreamCancellationTokenSource.Token); + cancellationToken = linkedCancellationTokenSource.Token; // use non-async filestream on windows along with read due to https://github.com/dotnet/corefx/issues/6039 var allowAsync = Environment.OSVersion.Platform != PlatformID.Win32NT; diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs index c4f173c7a..84d416149 100644 --- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs +++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs @@ -4,7 +4,6 @@ using System; using System.Collections.Generic; using System.Globalization; using System.IO; -using System.Linq; using System.Net.Http; using System.Text.RegularExpressions; using System.Threading; @@ -36,16 +35,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts // Read the file and display it line by line. using (var reader = new StreamReader(await GetListingsStream(info, cancellationToken).ConfigureAwait(false))) { - return GetChannels(reader, channelIdPrefix, info.Id); - } - } - - public List<ChannelInfo> ParseString(string text, string channelIdPrefix, string tunerHostId) - { - // Read the file and display it line by line. - using (var reader = new StringReader(text)) - { - return GetChannels(reader, channelIdPrefix, tunerHostId); + return await GetChannelsAsync(reader, channelIdPrefix, info.Id).ConfigureAwait(false); } } @@ -71,43 +61,42 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts private const string ExtInfPrefix = "#EXTINF:"; - private List<ChannelInfo> GetChannels(TextReader reader, string channelIdPrefix, string tunerHostId) + private async Task<List<ChannelInfo>> GetChannelsAsync(TextReader reader, string channelIdPrefix, string tunerHostId) { var channels = new List<ChannelInfo>(); - string line; string extInf = string.Empty; - while ((line = reader.ReadLine()) != null) + await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false)) { - line = line.Trim(); - if (string.IsNullOrWhiteSpace(line)) + var trimmedLine = line.Trim(); + if (string.IsNullOrWhiteSpace(trimmedLine)) { continue; } - if (line.StartsWith("#EXTM3U", StringComparison.OrdinalIgnoreCase)) + if (trimmedLine.StartsWith("#EXTM3U", StringComparison.OrdinalIgnoreCase)) { continue; } - if (line.StartsWith(ExtInfPrefix, StringComparison.OrdinalIgnoreCase)) + if (trimmedLine.StartsWith(ExtInfPrefix, StringComparison.OrdinalIgnoreCase)) { - extInf = line.Substring(ExtInfPrefix.Length).Trim(); + extInf = trimmedLine.Substring(ExtInfPrefix.Length).Trim(); _logger.LogInformation("Found m3u channel: {0}", extInf); } - else if (!string.IsNullOrWhiteSpace(extInf) && !line.StartsWith('#')) + else if (!string.IsNullOrWhiteSpace(extInf) && !trimmedLine.StartsWith('#')) { - var channel = GetChannelnfo(extInf, tunerHostId, line); + var channel = GetChannelnfo(extInf, tunerHostId, trimmedLine); if (string.IsNullOrWhiteSpace(channel.Id)) { - channel.Id = channelIdPrefix + line.GetMD5().ToString("N", CultureInfo.InvariantCulture); + channel.Id = channelIdPrefix + trimmedLine.GetMD5().ToString("N", CultureInfo.InvariantCulture); } else { channel.Id = channelIdPrefix + channel.Id.GetMD5().ToString("N", CultureInfo.InvariantCulture); } - channel.Path = line; + channel.Path = trimmedLine; channels.Add(channel); extInf = string.Empty; } @@ -133,6 +122,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts channel.ImageUrl = value; } + if (attributes.TryGetValue("group-title", out string groupTitle)) + { + channel.ChannelGroup = groupTitle; + } + channel.Name = GetChannelName(extInf, attributes); channel.Number = GetChannelNumber(extInf, attributes, mediaUrl); |