Merge branch 'master' into syncplay-enhanced

7 files changed, 122 insertions, 74 deletions

diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
index 2f4c601172..c0a4d12285 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs
@@ -72,7 +72,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             var model = await GetModelInfo(info, false, cancellationToken).ConfigureAwait(false);
 
             using var response = await _httpClientFactory.CreateClient(NamedClient.Default).GetAsync(model.LineupURL, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
-            await using var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
+            await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
             var lineup = await JsonSerializer.DeserializeAsync<List<Channels>>(stream, cancellationToken: cancellationToken)
                 .ConfigureAwait(false) ?? new List<Channels>();
 
@@ -129,7 +129,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 using var response = await _httpClientFactory.CreateClient(NamedClient.Default)
                     .GetAsync(string.Format(CultureInfo.InvariantCulture, "{0}/discover.json", GetApiUrl(info)), HttpCompletionOption.ResponseHeadersRead, cancellationToken)
                     .ConfigureAwait(false);
-                await using var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
+                await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
                 var discoverResponse = await JsonSerializer.DeserializeAsync<DiscoverResponse>(stream, cancellationToken: cancellationToken)
                     .ConfigureAwait(false);
 
@@ -143,7 +143,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
                 return discoverResponse;
             }
-            catch (HttpException ex)
+            catch (HttpRequestException ex)
             {
                 if (!throwAllExceptions && ex.StatusCode.HasValue && ex.StatusCode.Value == HttpStatusCode.NotFound)
                 {
@@ -175,7 +175,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             using var response = await _httpClientFactory.CreateClient(NamedClient.Default)
                 .GetAsync(string.Format(CultureInfo.InvariantCulture, "{0}/tuners.html", GetApiUrl(info)), HttpCompletionOption.ResponseHeadersRead, cancellationToken)
                 .ConfigureAwait(false);
-            await using var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
+            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)
@@ -663,7 +663,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 var modelInfo = await GetModelInfo(info, true, CancellationToken.None).ConfigureAwait(false);
                 info.DeviceId = modelInfo.DeviceID;
             }
-            catch (HttpException ex)
+            catch (HttpRequestException ex)
             {
                 if (ex.StatusCode.HasValue && ex.StatusCode.Value == System.Net.HttpStatusCode.NotFound)
                 {
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
index d4a88e299f..cdc8c6870a 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunManager.cs
@@ -111,11 +111,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
         public async Task<bool> CheckTunerAvailability(IPAddress remoteIp, int tuner, CancellationToken cancellationToken)
         {
-            using (var client = new TcpClient(new IPEndPoint(remoteIp, HdHomeRunPort)))
-            using (var stream = client.GetStream())
-            {
-                return await CheckTunerAvailability(stream, tuner, cancellationToken).ConfigureAwait(false);
-            }
+            using var client = new TcpClient();
+            client.Connect(remoteIp, HdHomeRunPort);
+
+            using var stream = client.GetStream();
+            return await CheckTunerAvailability(stream, tuner, cancellationToken).ConfigureAwait(false);
         }
 
         private static async Task<bool> CheckTunerAvailability(NetworkStream stream, int tuner, CancellationToken cancellationToken)
@@ -142,7 +142,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         {
             _remoteEndPoint = new IPEndPoint(remoteIp, HdHomeRunPort);
 
-            _tcpClient = new TcpClient(_remoteEndPoint);
+            _tcpClient = new TcpClient();
+            _tcpClient.Connect(_remoteEndPoint);
 
             if (!_lockkey.HasValue)
             {
@@ -221,30 +222,30 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 return;
             }
 
-            using (var tcpClient = new TcpClient(_remoteEndPoint))
-            using (var stream = tcpClient.GetStream())
+            using var tcpClient = new TcpClient();
+            tcpClient.Connect(_remoteEndPoint);
+
+            using var stream = tcpClient.GetStream();
+            var commandList = commands.GetCommands();
+            byte[] buffer = ArrayPool<byte>.Shared.Rent(8192);
+            try
             {
-                var commandList = commands.GetCommands();
-                byte[] buffer = ArrayPool<byte>.Shared.Rent(8192);
-                try
+                foreach (var command in commandList)
                 {
-                    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 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);
 
-                        // parse response to make sure it worked
-                        if (!ParseReturnMessage(buffer, receivedBytes, out _))
-                        {
-                            return;
-                        }
+                    // parse response to make sure it worked
+                    if (!ParseReturnMessage(buffer, receivedBytes, out _))
+                    {
+                        return;
                     }
                 }
-                finally
-                {
-                    ArrayPool<byte>.Shared.Return(buffer);
-                }
+            }
+            finally
+            {
+                ArrayPool<byte>.Shared.Return(buffer);
             }
         }
 
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
index 6730751d50..cf653f87d0 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs
@@ -3,7 +3,9 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Net;
+using System.Net.NetworkInformation;
 using System.Net.Sockets;
 using System.Threading;
 using System.Threading.Tasks;
@@ -50,6 +52,26 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             EnableStreamSharing = true;
         }
 
+        /// <summary>
+        /// Returns an unused UDP port number in the range specified.
+        /// Temporarily placed here until future network PR merged.
+        /// </summary>
+        /// <param name="range">Upper and Lower boundary of ports to select.</param>
+        /// <returns>System.Int32.</returns>
+        private static int GetUdpPortFromRange((int Min, int Max) range)
+        {
+            var properties = IPGlobalProperties.GetIPGlobalProperties();
+
+            // Get active udp listeners.
+            var udpListenerPorts = properties.GetActiveUdpListeners()
+                        .Where(n => n.Port >= range.Min && n.Port <= range.Max)
+                        .Select(n => n.Port);
+
+            return Enumerable
+                .Range(range.Min, range.Max)
+                .FirstOrDefault(i => !udpListenerPorts.Contains(i));
+        }
+
         public override async Task Open(CancellationToken openCancellationToken)
         {
             LiveStreamCancellationTokenSource.Token.ThrowIfCancellationRequested();
@@ -57,7 +79,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             var mediaSource = OriginalMediaSource;
 
             var uri = new Uri(mediaSource.Path);
-            var localPort = _networkManager.GetRandomUnusedUdpPort();
+            // Temporary code to reduce PR size. This will be updated by a future network pr.
+            var localPort = GetUdpPortFromRange((49152, 65535));
 
             Directory.CreateDirectory(Path.GetDirectoryName(TempFilePath));
 
@@ -70,7 +93,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 try
                 {
                     await tcpClient.ConnectAsync(remoteAddress, HdHomerunManager.HdHomeRunPort).ConfigureAwait(false);
-                    localAddress = ((IPEndPoint)tcpClient.Client.RemoteEndPoint).Address;
+                    localAddress = ((IPEndPoint)tcpClient.Client.LocalEndPoint).Address;
                     tcpClient.Close();
                 }
                 catch (Exception ex)
@@ -80,6 +103,10 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
                 }
             }
 
+            if (localAddress.IsIPv4MappedToIPv6) {
+                localAddress = localAddress.MapToIPv4();
+            }
+
             var udpClient = new UdpClient(localPort, AddressFamily.InterNetwork);
             var hdHomerunManager = new HdHomerunManager();
 
@@ -110,12 +137,12 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
 
             var taskCompletionSource = new TaskCompletionSource<bool>();
 
-            await StartStreaming(
+            _ = StartStreaming(
                 udpClient,
                 hdHomerunManager,
                 remoteAddress,
                 taskCompletionSource,
-                LiveStreamCancellationTokenSource.Token).ConfigureAwait(false);
+                LiveStreamCancellationTokenSource.Token);
 
             // OpenedMediaSource.Protocol = MediaProtocol.File;
             // OpenedMediaSource.Path = tempFile;
@@ -131,33 +158,35 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             await taskCompletionSource.Task.ConfigureAwait(false);
         }
 
-        private Task StartStreaming(UdpClient udpClient, HdHomerunManager hdHomerunManager, IPAddress remoteAddress, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
+        public string GetFilePath()
         {
-            return Task.Run(async () =>
+            return TempFilePath;
+        }
+
+        private async Task StartStreaming(UdpClient udpClient, HdHomerunManager hdHomerunManager, IPAddress remoteAddress, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
+        {
+            using (udpClient)
+            using (hdHomerunManager)
             {
-                using (udpClient)
-                using (hdHomerunManager)
+                try
                 {
-                    try
-                    {
-                        await CopyTo(udpClient, TempFilePath, openTaskCompletionSource, cancellationToken).ConfigureAwait(false);
-                    }
-                    catch (OperationCanceledException ex)
-                    {
-                        Logger.LogInformation("HDHR UDP stream cancelled or timed out from {0}", remoteAddress);
-                        openTaskCompletionSource.TrySetException(ex);
-                    }
-                    catch (Exception ex)
-                    {
-                        Logger.LogError(ex, "Error opening live stream:");
-                        openTaskCompletionSource.TrySetException(ex);
-                    }
-
-                    EnableStreamSharing = false;
+                    await CopyTo(udpClient, TempFilePath, openTaskCompletionSource, cancellationToken).ConfigureAwait(false);
                 }
+                catch (OperationCanceledException ex)
+                {
+                    Logger.LogInformation("HDHR UDP stream cancelled or timed out from {0}", remoteAddress);
+                    openTaskCompletionSource.TrySetException(ex);
+                }
+                catch (Exception ex)
+                {
+                    Logger.LogError(ex, "Error opening live stream:");
+                    openTaskCompletionSource.TrySetException(ex);
+                }
+
+                EnableStreamSharing = false;
+            }
 
-                await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
-            });
+            await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
         }
 
         private async Task CopyTo(UdpClient udpClient, string file, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
index 0333e723bc..78e62ff0a5 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/LiveStream.cs
@@ -182,7 +182,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
             if (string.IsNullOrEmpty(currentFile))
             {
-                return (files.Last(), true);
+                return (files[^1], true);
             }
 
             var nextIndex = files.FindIndex(i => string.Equals(i, currentFile, StringComparison.OrdinalIgnoreCase)) + 1;
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
index 8107bc427b..4b170b2e4e 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3UTunerHost.cs
@@ -65,7 +65,9 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
         {
             var channelIdPrefix = GetFullChannelIdPrefix(info);
 
-            return await new M3uParser(Logger, _httpClientFactory, _appHost).Parse(info.Url, channelIdPrefix, info.Id, cancellationToken).ConfigureAwait(false);
+            return await new M3uParser(Logger, _httpClientFactory, _appHost)
+                .Parse(info, channelIdPrefix, cancellationToken)
+                .ConfigureAwait(false);
         }
 
         public Task<List<LiveTvTunerInfo>> GetTunerInfos(CancellationToken cancellationToken)
@@ -126,7 +128,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         public async Task Validate(TunerHostInfo info)
         {
-            using (var stream = await new M3uParser(Logger, _httpClientFactory, _appHost).GetListingsStream(info.Url, CancellationToken.None).ConfigureAwait(false))
+            using (var stream = await new M3uParser(Logger, _httpClientFactory, _appHost).GetListingsStream(info, CancellationToken.None).ConfigureAwait(false))
             {
             }
         }
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
index f066a749e3..1d6c26c130 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs
@@ -13,6 +13,7 @@ using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Model.LiveTv;
 using Microsoft.Extensions.Logging;
 
 namespace Emby.Server.Implementations.LiveTv.TunerHosts
@@ -30,12 +31,12 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             _appHost = appHost;
         }
 
-        public async Task<List<ChannelInfo>> Parse(string url, string channelIdPrefix, string tunerHostId, CancellationToken cancellationToken)
+        public async Task<List<ChannelInfo>> Parse(TunerHostInfo info, string channelIdPrefix, CancellationToken cancellationToken)
         {
             // Read the file and display it line by line.
-            using (var reader = new StreamReader(await GetListingsStream(url, cancellationToken).ConfigureAwait(false)))
+            using (var reader = new StreamReader(await GetListingsStream(info, cancellationToken).ConfigureAwait(false)))
             {
-                return GetChannels(reader, channelIdPrefix, tunerHostId);
+                return GetChannels(reader, channelIdPrefix, info.Id);
             }
         }
 
@@ -48,15 +49,24 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             }
         }
 
-        public Task<Stream> GetListingsStream(string url, CancellationToken cancellationToken)
+        public async Task<Stream> GetListingsStream(TunerHostInfo info, CancellationToken cancellationToken)
         {
-            if (url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
+            if (info.Url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
             {
-                return _httpClientFactory.CreateClient(NamedClient.Default)
-                    .GetStreamAsync(url);
+                using var requestMessage = new HttpRequestMessage(HttpMethod.Get, info.Url);
+                if (!string.IsNullOrEmpty(info.UserAgent))
+                {
+                    requestMessage.Headers.UserAgent.TryParseAdd(info.UserAgent);
+                }
+
+                var response = await _httpClientFactory.CreateClient(NamedClient.Default)
+                    .SendAsync(requestMessage, cancellationToken)
+                    .ConfigureAwait(false);
+                response.EnsureSuccessStatusCode();
+                return await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
             }
 
-            return Task.FromResult((Stream)File.OpenRead(url));
+            return File.OpenRead(info.Url);
         }
 
         private const string ExtInfPrefix = "#EXTINF:";
@@ -153,7 +163,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         private string GetChannelNumber(string extInf, Dictionary<string, string> attributes, string mediaUrl)
         {
-            var nameParts = extInf.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
+            var nameParts = extInf.Split(',', StringSplitOptions.RemoveEmptyEntries);
             var nameInExtInf = nameParts.Length > 1 ? nameParts[^1].AsSpan().Trim() : ReadOnlySpan<char>.Empty;
 
             string numberString = null;
@@ -187,7 +197,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                 if (string.IsNullOrWhiteSpace(numberString))
                 {
                     // Using this as a fallback now as this leads to Problems with channels like "5 USA"
-                    // where 5 isnt ment to be the channel number
+                    // where 5 isn't ment to be the channel number
                     // Check for channel number with the format from SatIp
                     // #EXTINF:0,84. VOX Schweiz
                     // #EXTINF:0,84.0 - VOX Schweiz
@@ -263,8 +273,8 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
         private static string GetChannelName(string extInf, Dictionary<string, string> attributes)
         {
-            var nameParts = extInf.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
-            var nameInExtInf = nameParts.Length > 1 ? nameParts.Last().Trim() : null;
+            var nameParts = extInf.Split(',', StringSplitOptions.RemoveEmptyEntries);
+            var nameInExtInf = nameParts.Length > 1 ? nameParts[^1].Trim() : null;
 
             // Check for channel number with the format from SatIp
             // #EXTINF:0,84. VOX Schweiz
diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
index 6c10fca8c6..f7507e6ba0 100644
--- a/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
+++ b/Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs
@@ -55,14 +55,15 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             var typeName = GetType().Name;
             Logger.LogInformation("Opening " + typeName + " Live stream from {0}", url);
 
-            using var response = await _httpClientFactory.CreateClient(NamedClient.Default)
+            // Response stream is disposed manually.
+            var response = await _httpClientFactory.CreateClient(NamedClient.Default)
                 .GetAsync(url, HttpCompletionOption.ResponseHeadersRead, CancellationToken.None)
                 .ConfigureAwait(false);
 
             var extension = "ts";
             var requiresRemux = false;
 
-            var contentType = response.Content.Headers.ContentType.ToString();
+            var contentType = response.Content.Headers.ContentType?.ToString() ?? string.Empty;
             if (contentType.IndexOf("matroska", StringComparison.OrdinalIgnoreCase) != -1)
             {
                 requiresRemux = true;
@@ -121,6 +122,11 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
             }
         }
 
+        public string GetFilePath()
+        {
+            return TempFilePath;
+        }
+
         private Task StartStreaming(HttpResponseMessage response, TaskCompletionSource<bool> openTaskCompletionSource, CancellationToken cancellationToken)
         {
             return Task.Run(async () =>
@@ -129,7 +135,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                 {
                     Logger.LogInformation("Beginning {0} stream to {1}", GetType().Name, TempFilePath);
                     using var message = response;
-                    await using var stream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
+                    await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
                     await using var fileStream = new FileStream(TempFilePath, FileMode.Create, FileAccess.Write, FileShare.Read);
                     await StreamHelper.CopyToAsync(
                         stream,