Properly forward cancellationTokens

Emby.Dlna/PlayTo/Device.cs

@@ -235,7 +235,13 @@ namespace Emby.Dlna.PlayTo
             _logger.LogDebug("Setting mute");
             var value = mute ? 1 : 0;
 
-            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, rendererCommands.BuildPost(command, service.ServiceType, value))
+            await new SsdpHttpClient(_httpClientFactory)
+                .SendCommandAsync(
+                    Properties.BaseUrl,
+                    service,
+                    command.Name,
+                    rendererCommands.BuildPost(command, service.ServiceType, value),
+                    cancellationToken: cancellationToken)
                 .ConfigureAwait(false);
 
             IsMuted = mute;
@@ -270,7 +276,13 @@ namespace Emby.Dlna.PlayTo
             // Remote control will perform better
             Volume = value;
 
-            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, rendererCommands.BuildPost(command, service.ServiceType, value))
+            await new SsdpHttpClient(_httpClientFactory)
+                .SendCommandAsync(
+                    Properties.BaseUrl,
+                    service,
+                    command.Name,
+                    rendererCommands.BuildPost(command, service.ServiceType, value),
+                    cancellationToken: cancellationToken)
                 .ConfigureAwait(false);
         }
 
@@ -291,7 +303,13 @@ namespace Emby.Dlna.PlayTo
                 throw new InvalidOperationException("Unable to find service");
             }
 
-            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, string.Format(CultureInfo.InvariantCulture, "{0:hh}:{0:mm}:{0:ss}", value), "REL_TIME"))
+            await new SsdpHttpClient(_httpClientFactory)
+                .SendCommandAsync(
+                    Properties.BaseUrl,
+                    service,
+                    command.Name,
+                    avCommands.BuildPost(command, service.ServiceType, string.Format(CultureInfo.InvariantCulture, "{0:hh}:{0:mm}:{0:ss}", value), "REL_TIME"),
+                    cancellationToken: cancellationToken)
                 .ConfigureAwait(false);
 
             RestartTimer(true);
@@ -325,14 +343,21 @@ namespace Emby.Dlna.PlayTo
             }
 
             var post = avCommands.BuildPost(command, service.ServiceType, url, dictionary);
-            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, post, header: header)
+            await new SsdpHttpClient(_httpClientFactory)
+                .SendCommandAsync(
+                    Properties.BaseUrl,
+                    service,
+                    command.Name,
+                    post,
+                    header: header,
+                    cancellationToken: cancellationToken)
                 .ConfigureAwait(false);
 
-            await Task.Delay(50).ConfigureAwait(false);
+            await Task.Delay(50, cancellationToken).ConfigureAwait(false);
 
             try
             {
-                await SetPlay(avCommands, CancellationToken.None).ConfigureAwait(false);
+                await SetPlay(avCommands, cancellationToken).ConfigureAwait(false);
             }
             catch
             {
@@ -396,7 +421,13 @@ namespace Emby.Dlna.PlayTo
 
             var service = GetAvTransportService();
 
-            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, 1))
+            await new SsdpHttpClient(_httpClientFactory)
+                .SendCommandAsync(
+                    Properties.BaseUrl,
+                    service,
+                    command.Name,
+                    avCommands.BuildPost(command, service.ServiceType, 1),
+                    cancellationToken: cancellationToken)
                 .ConfigureAwait(false);
 
             RestartTimer(true);
@@ -414,7 +445,13 @@ namespace Emby.Dlna.PlayTo
 
             var service = GetAvTransportService();
 
-            await new SsdpHttpClient(_httpClientFactory).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, 1))
+            await new SsdpHttpClient(_httpClientFactory)
+                .SendCommandAsync(
+                    Properties.BaseUrl,
+                    service,
+                    command.Name,
+                    avCommands.BuildPost(command, service.ServiceType, 1),
+                    cancellationToken: cancellationToken)
                 .ConfigureAwait(false);
 
             TransportState = TransportState.Paused;

Emby.Dlna/PlayTo/PlayToController.cs

@@ -777,7 +777,7 @@ namespace Emby.Dlna.PlayTo
             var currentWait = 0;
             while (_device.TransportState != TransportState.Playing && currentWait < MaxWait)
             {
-                await Task.Delay(Interval).ConfigureAwait(false);
+                await Task.Delay(Interval, cancellationToken).ConfigureAwait(false);
                 currentWait += Interval;
             }
 

Emby.Server.Implementations/LiveTv/Listings/SchedulesDirect.cs

@@ -10,6 +10,7 @@ using System.Net.Http;
 using System.Net.Mime;
 using System.Text;
 using System.Text.Json;
+using System.Text.Json.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common;
@@ -111,7 +112,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
             options.Headers.TryAddWithoutValidation("token", token);
             using var response = await Send(options, true, info, cancellationToken).ConfigureAwait(false);
             await using var responseStream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
-            var dailySchedules = await JsonSerializer.DeserializeAsync<List<ScheduleDirect.Day>>(responseStream, _jsonOptions).ConfigureAwait(false);
+            var dailySchedules = await JsonSerializer.DeserializeAsync<List<ScheduleDirect.Day>>(responseStream, _jsonOptions, cancellationToken).ConfigureAwait(false);
             _logger.LogDebug("Found {ScheduleCount} programs on {ChannelID} ScheduleDirect", dailySchedules.Count, channelId);
 
             using var programRequestOptions = new HttpRequestMessage(HttpMethod.Post, ApiUrl + "/programs");
@@ -122,11 +123,11 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
             using var innerResponse = await Send(programRequestOptions, true, info, cancellationToken).ConfigureAwait(false);
             await using var innerResponseStream = await innerResponse.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
-            var programDetails = await JsonSerializer.DeserializeAsync<List<ScheduleDirect.ProgramDetails>>(innerResponseStream, _jsonOptions).ConfigureAwait(false);
+            var programDetails = await JsonSerializer.DeserializeAsync<List<ScheduleDirect.ProgramDetails>>(innerResponseStream, _jsonOptions, cancellationToken).ConfigureAwait(false);
             var programDict = programDetails.ToDictionary(p => p.programID, y => y);
 
-            var programIdsWithImages =
+            var programIdsWithImages = programDetails
-                programDetails.Where(p => p.hasImageArtwork).Select(p => p.programID)
+                .Where(p => p.hasImageArtwork).Select(p => p.programID)
                 .ToList();
 
             var images = await GetImageForPrograms(info, programIdsWithImages, cancellationToken).ConfigureAwait(false);
@@ -182,8 +183,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
         private static int GetSizeOrder(ScheduleDirect.ImageData image)
         {
-            if (!string.IsNullOrWhiteSpace(image.height)
+            if (int.TryParse(image.height, out int value))
-                && int.TryParse(image.height, out int value))
             {
                 return value;
             }
@@ -704,7 +704,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
                 httpResponse.EnsureSuccessStatusCode();
                 await using var stream = await httpResponse.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
                 using var response = httpResponse.Content;
-                var root = await JsonSerializer.DeserializeAsync<ScheduleDirect.Lineups>(stream, _jsonOptions).ConfigureAwait(false);
+                var root = await JsonSerializer.DeserializeAsync<ScheduleDirect.Lineups>(stream, _jsonOptions, cancellationToken).ConfigureAwait(false);
 
                 return root.lineups.Any(i => string.Equals(info.ListingsId, i.lineup, StringComparison.OrdinalIgnoreCase));
             }
@@ -776,7 +776,7 @@ namespace Emby.Server.Implementations.LiveTv.Listings
 
             using var httpResponse = await Send(options, true, info, cancellationToken).ConfigureAwait(false);
             await using var stream = await httpResponse.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
-            var root = await JsonSerializer.DeserializeAsync<ScheduleDirect.Channel>(stream, _jsonOptions).ConfigureAwait(false);
+            var root = await JsonSerializer.DeserializeAsync<ScheduleDirect.Channel>(stream, _jsonOptions, cancellationToken).ConfigureAwait(false);
             _logger.LogInformation("Found {ChannelCount} channels on the lineup on ScheduleDirect", root.map.Count);
             _logger.LogInformation("Mapping Stations to Channel");
 

Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs

@@ -92,7 +92,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
             {
                 try
                 {
-                    await tcpClient.ConnectAsync(remoteAddress, HdHomerunManager.HdHomeRunPort).ConfigureAwait(false);
+                    await tcpClient.ConnectAsync(remoteAddress, HdHomerunManager.HdHomeRunPort, openCancellationToken).ConfigureAwait(false);
                     localAddress = ((IPEndPoint)tcpClient.Client.LocalEndPoint).Address;
                     tcpClient.Close();
                 }

Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs

@@ -159,7 +159,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
 
                 EnableStreamSharing = false;
                 await DeleteTempFiles(new List<string> { TempFilePath }).ConfigureAwait(false);
-            });
+            }, CancellationToken.None);
         }
 
         private void Resolve(TaskCompletionSource<bool> openTaskCompletionSource)

Jellyfin.Api/Helpers/FileStreamResponseHelpers.cs

@@ -39,7 +39,7 @@ namespace Jellyfin.Api.Helpers
             }
 
             // Can't dispose the response as it's required up the call chain.
-            var response = await httpClient.GetAsync(new Uri(state.MediaPath)).ConfigureAwait(false);
+            var response = await httpClient.GetAsync(new Uri(state.MediaPath), cancellationToken).ConfigureAwait(false);
             var contentType = response.Content.Headers.ContentType?.ToString();
 
             httpContext.Response.Headers[HeaderNames.AcceptRanges] = "none";

MediaBrowser.Providers/Manager/ImageSaver.cs

@@ -102,10 +102,8 @@ namespace MediaBrowser.Providers.Manager
             {
                 saveLocally = false;
 
-                var season = item as Season;
-
                 // If season is virtual under a physical series, save locally if using compatible convention
-                if (season != null && _config.Configuration.ImageSavingConvention == ImageSavingConvention.Compatible)
+                if (item is Season season && _config.Configuration.ImageSavingConvention == ImageSavingConvention.Compatible)
                 {
                     var series = season.Series;
 
@@ -138,7 +136,7 @@ namespace MediaBrowser.Providers.Manager
                 var memoryStream = new MemoryStream();
                 await using (source.ConfigureAwait(false))
                 {
-                    await source.CopyToAsync(memoryStream).ConfigureAwait(false);
+                    await source.CopyToAsync(memoryStream, cancellationToken).ConfigureAwait(false);
                 }
 
                 source = memoryStream;

MediaBrowser.Providers/Plugins/MusicBrainz/MusicBrainzAlbumProvider.cs

@@ -756,7 +756,10 @@ namespace MediaBrowser.Providers.Music
                     _stopWatchMusicBrainz.Restart();
 
                     using var request = new HttpRequestMessage(HttpMethod.Get, requestUrl);
-                    response = await _httpClientFactory.CreateClient(NamedClient.MusicBrainz).SendAsync(request).ConfigureAwait(false);
+                    response = await _httpClientFactory
+                        .CreateClient(NamedClient.MusicBrainz)
+                        .SendAsync(request, cancellationToken)
+                        .ConfigureAwait(false);
 
                     // We retry a finite number of times, and only whilst MB is indicating 503 (throttling).
                 }

MediaBrowser.Providers/Studios/StudiosImageProvider.cs

@@ -144,7 +144,7 @@ namespace MediaBrowser.Providers.Studios
                 var httpClient = _httpClientFactory.CreateClient(NamedClient.Default);
 
                 Directory.CreateDirectory(Path.GetDirectoryName(file));
-                await using var response = await httpClient.GetStreamAsync(url).ConfigureAwait(false);
+                await using var response = await httpClient.GetStreamAsync(url, cancellationToken).ConfigureAwait(false);
                 await using var fileStream = new FileStream(file, FileMode.Create);
                 await response.CopyToAsync(fileStream, cancellationToken).ConfigureAwait(false);
             }

jellyfin.ruleset

@@ -37,6 +37,10 @@
   </Rules>
 
   <Rules AnalyzerId="Microsoft.CodeAnalysis.FxCopAnalyzers" RuleNamespace="Microsoft.Design">
+    <!-- error on CA2016: Forward the CancellationToken parameter to methods that take one
+        or pass in 'CancellationToken.None' explicitly to indicate intentionally not propagating the token -->
+    <Rule Id="CA2016" Action="Error" />
+
     <!-- disable warning CA1031: Do not catch general exception types -->
     <Rule Id="CA1031" Action="Info" />
     <!-- disable warning CA1032: Implement standard exception constructors -->