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more task reduction

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This commit is contained in:
Luke Pulverenti 2013-04-15 16:33:43 -04:00
parent 9279893434
commit 0fc6158500
12 changed files with 83 additions and 86 deletions
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1
MediaBrowser.Controller/Providers/BaseItemXmlParser.cs
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@ -54,7 +54,6 @@ namespace MediaBrowser.Controller.Providers
CheckCharacters = false,
IgnoreProcessingInstructions = true,
IgnoreComments = true,
IgnoreWhitespace = true,
ValidationType = ValidationType.None
};

10
MediaBrowser.Controller/Providers/BaseMetadataProvider.cs
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@ -31,6 +31,12 @@ namespace MediaBrowser.Controller.Providers
/// </summary>
protected readonly Guid Id;
/// <summary>
/// The true task result
/// </summary>
protected static readonly Task<bool> TrueTaskResult = Task.FromResult(true);
protected static readonly Task<bool> FalseTaskResult = Task.FromResult(false);
protected static readonly SemaphoreSlim XmlParsingResourcePool = new SemaphoreSlim(5, 5);
/// <summary>
@ -207,7 +213,7 @@ namespace MediaBrowser.Controller.Providers
return true;
}
if (RefreshOnVersionChange && !string.Equals(ProviderVersion, providerInfo.ProviderVersion))
if (RefreshOnVersionChange && !String.Equals(ProviderVersion, providerInfo.ProviderVersion))
{
return true;
}
@ -223,7 +229,7 @@ namespace MediaBrowser.Controller.Providers
/// <returns><c>true</c> if [has file system stamp changed] [the specified item]; otherwise, <c>false</c>.</returns>
protected bool HasFileSystemStampChanged(BaseItem item, BaseProviderInfo providerInfo)
{
return !string.Equals(GetCurrentFileSystemStamp(item), providerInfo.FileSystemStamp);
return !String.Equals(GetCurrentFileSystemStamp(item), providerInfo.FileSystemStamp);
}
/// <summary>

5
MediaBrowser.Controller/Providers/ImageFromMediaLocationProvider.cs
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@ -52,11 +52,6 @@ namespace MediaBrowser.Controller.Providers
}
}
/// <summary>
/// The true task result
/// </summary>
protected static readonly Task<bool> TrueTaskResult = Task.FromResult(true);
/// <summary>
/// Fetches metadata and returns true or false indicating if any work that requires persistence was done
/// </summary>

28
MediaBrowser.Controller/Providers/Movies/MovieProviderFromJson.cs
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@ -81,26 +81,22 @@ namespace MediaBrowser.Controller.Providers.Movies
/// <returns>Task{System.Boolean}.</returns>
public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
{
// Since we don't have anything truly async, and since deserializing can be expensive, create a task to force parallelism
return Task.Run(() =>
cancellationToken.ThrowIfCancellationRequested();
var entry = item.ResolveArgs.GetMetaFileByPath(Path.Combine(item.MetaLocation, LOCAL_META_FILE_NAME));
if (entry.HasValue)
{
// read in our saved meta and pass to processing function
var movieData = JsonSerializer.DeserializeFromFile<CompleteMovieData>(entry.Value.Path);
cancellationToken.ThrowIfCancellationRequested();
var entry = item.ResolveArgs.GetMetaFileByPath(Path.Combine(item.MetaLocation, LOCAL_META_FILE_NAME));
if (entry.HasValue)
{
// read in our saved meta and pass to processing function
var movieData = JsonSerializer.DeserializeFromFile<CompleteMovieData>(entry.Value.Path);
cancellationToken.ThrowIfCancellationRequested();
ProcessMainInfo(item, movieData);
ProcessMainInfo(item, movieData);
SetLastRefreshed(item, DateTime.UtcNow);
return true;
}
return false;
});
SetLastRefreshed(item, DateTime.UtcNow);
return TrueTaskResult;
}
return FalseTaskResult;
}
}
}

32
MediaBrowser.Controller/Providers/Movies/PersonProviderFromJson.cs
View File

@ -92,28 +92,24 @@ namespace MediaBrowser.Controller.Providers.Movies
/// <returns>Task{System.Boolean}.</returns>
public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
{
return Task.Run(() =>
cancellationToken.ThrowIfCancellationRequested();
try
{
var personInfo = JsonSerializer.DeserializeFromFile<PersonResult>(Path.Combine(item.MetaLocation, MetaFileName));
cancellationToken.ThrowIfCancellationRequested();
try
{
var personInfo = JsonSerializer.DeserializeFromFile<PersonResult>(Path.Combine(item.MetaLocation, MetaFileName));
ProcessInfo((Person)item, personInfo);
cancellationToken.ThrowIfCancellationRequested();
ProcessInfo((Person)item, personInfo);
SetLastRefreshed(item, DateTime.UtcNow);
return true;
}
catch (FileNotFoundException)
{
// This is okay - just means we force refreshed and there isn't a json file
return false;
}
});
SetLastRefreshed(item, DateTime.UtcNow);
return TrueTaskResult;
}
catch (FileNotFoundException)
{
// This is okay - just means we force refreshed and there isn't a json file
return FalseTaskResult;
}
}
}
}

29
MediaBrowser.Controller/Providers/Music/MusicArtistProviderFromJson.cs
View File

@ -32,27 +32,24 @@ namespace MediaBrowser.Controller.Providers.Music
public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
{
return Task.Run(() =>
cancellationToken.ThrowIfCancellationRequested();
var entry = item.ResolveArgs.GetMetaFileByPath(Path.Combine(item.MetaLocation, LastfmHelper.LocalArtistMetaFileName));
if (entry.HasValue)
{
// read in our saved meta and pass to processing function
var data = JsonSerializer.DeserializeFromFile<LastfmArtist>(entry.Value.Path);
cancellationToken.ThrowIfCancellationRequested();
var entry = item.ResolveArgs.GetMetaFileByPath(Path.Combine(item.MetaLocation, LastfmHelper.LocalArtistMetaFileName));
if (entry.HasValue)
{
// read in our saved meta and pass to processing function
var data = JsonSerializer.DeserializeFromFile<LastfmArtist>(entry.Value.Path);
LastfmHelper.ProcessArtistData(item, data);
cancellationToken.ThrowIfCancellationRequested();
item.SetProviderId(MetadataProviders.Musicbrainz, data.mbid);
LastfmHelper.ProcessArtistData(item, data);
item.SetProviderId(MetadataProviders.Musicbrainz, data.mbid);
SetLastRefreshed(item, DateTime.UtcNow);
return true;
}
return false;
});
SetLastRefreshed(item, DateTime.UtcNow);
return TrueTaskResult;
}
return FalseTaskResult;
}
public override MetadataProviderPriority Priority

54
MediaBrowser.Server.Implementations/ScheduledTasks/VideoImagesTask.cs
View File

@ -3,6 +3,7 @@ using MediaBrowser.Common.MediaInfo;
using MediaBrowser.Common.ScheduledTasks;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers.MediaInfo;
using MediaBrowser.Model.Entities;
@ -95,33 +96,40 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
/// <returns>Task.</returns>
public async Task Execute(CancellationToken cancellationToken, IProgress<double> progress)
{
var items = _libraryManager.RootFolder.RecursiveChildren
.OfType<Video>()
.Where(i =>
{
if (!string.IsNullOrEmpty(i.PrimaryImagePath))
{
return false;
}
var allItems = _libraryManager.RootFolder.RecursiveChildren.ToList();
if (i.LocationType != LocationType.FileSystem)
{
return false;
}
var localTrailers = allItems.SelectMany(i => i.LocalTrailers);
if (i.VideoType == VideoType.HdDvd)
{
return false;
}
var videos = allItems.OfType<Video>().ToList();
if (i.VideoType == VideoType.Iso && !i.IsoType.HasValue)
{
return false;
}
var items = videos;
items.AddRange(localTrailers);
items.AddRange(videos.OfType<Movie>().SelectMany(i => i.SpecialFeatures).ToList());
return i.MediaStreams != null && i.MediaStreams.Any(m => m.Type == MediaStreamType.Video);
})
.ToList();
items = items.Where(i =>
{
if (!string.IsNullOrEmpty(i.PrimaryImagePath))
{
return false;
}
if (i.LocationType != LocationType.FileSystem)
{
return false;
}
if (i.VideoType == VideoType.HdDvd)
{
return false;
}
if (i.VideoType == VideoType.Iso && !i.IsoType.HasValue)
{
return false;
}
return i.MediaStreams != null && i.MediaStreams.Any(m => m.Type == MediaStreamType.Video);
}).ToList();
progress.Report(0);

2
MediaBrowser.Server.Implementations/Sqlite/SQLiteDisplayPreferencesRepository.cs
View File

@ -86,7 +86,7 @@ namespace MediaBrowser.Server.Implementations.Sqlite
{
var dbFile = Path.Combine(_appPaths.DataPath, "displaypreferences.db");
await ConnectToDB(dbFile).ConfigureAwait(false);
await ConnectToDb(dbFile).ConfigureAwait(false);
string[] queries = {

2
MediaBrowser.Server.Implementations/Sqlite/SQLiteItemRepository.cs
View File

@ -82,7 +82,7 @@ namespace MediaBrowser.Server.Implementations.Sqlite
{
var dbFile = Path.Combine(_appPaths.DataPath, "library.db");
await ConnectToDB(dbFile).ConfigureAwait(false);
await ConnectToDb(dbFile).ConfigureAwait(false);
string[] queries = {

2
MediaBrowser.Server.Implementations/Sqlite/SQLiteRepository.cs
View File

@ -76,7 +76,7 @@ namespace MediaBrowser.Server.Implementations.Sqlite
/// <param name="dbPath">The db path.</param>
/// <returns>Task{System.Boolean}.</returns>
/// <exception cref="System.ArgumentNullException">dbPath</exception>
protected async Task ConnectToDB(string dbPath)
protected async Task ConnectToDb(string dbPath)
{
if (string.IsNullOrEmpty(dbPath))
{

2
MediaBrowser.Server.Implementations/Sqlite/SQLiteUserDataRepository.cs
View File

@ -86,7 +86,7 @@ namespace MediaBrowser.Server.Implementations.Sqlite
{
var dbFile = Path.Combine(_appPaths.DataPath, "userdata.db");
await ConnectToDB(dbFile).ConfigureAwait(false);
await ConnectToDb(dbFile).ConfigureAwait(false);
string[] queries = {

2
MediaBrowser.Server.Implementations/Sqlite/SQLiteUserRepository.cs
View File

@ -88,7 +88,7 @@ namespace MediaBrowser.Server.Implementations.Sqlite
{
var dbFile = Path.Combine(_appPaths.DataPath, "users.db");
await ConnectToDB(dbFile).ConfigureAwait(false);
await ConnectToDb(dbFile).ConfigureAwait(false);
string[] queries = {