jellyfin/MediaBrowser.Controller/Kernel.cs

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using MediaBrowser.Common.IO;
using MediaBrowser.Common.Kernel;
using MediaBrowser.Common.Localization;
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using MediaBrowser.Common.Plugins;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.IO;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Localization;
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using MediaBrowser.Controller.MediaInfo;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Controller.Playback;
using MediaBrowser.Controller.Plugins;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Controller.Resolvers;
using MediaBrowser.Controller.ScheduledTasks;
using MediaBrowser.Controller.Updates;
using MediaBrowser.Controller.Weather;
using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.System;
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
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using System.ComponentModel.Composition.Hosting;
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using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using SimpleInjector;
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namespace MediaBrowser.Controller
{
/// <summary>
/// Class Kernel
/// </summary>
public class Kernel : BaseKernel<ServerConfiguration, ServerApplicationPaths>
{
/// <summary>
/// The MB admin URL
/// </summary>
public const string MBAdminUrl = "http://mb3admin.com/admin/";
/// <summary>
/// Gets the instance.
/// </summary>
/// <value>The instance.</value>
public static Kernel Instance { get; private set; }
/// <summary>
/// Gets the library manager.
/// </summary>
/// <value>The library manager.</value>
public LibraryManager LibraryManager { get; private set; }
/// <summary>
/// Gets the image manager.
/// </summary>
/// <value>The image manager.</value>
public ImageManager ImageManager { get; private set; }
/// <summary>
/// Gets the user manager.
/// </summary>
/// <value>The user manager.</value>
public UserManager UserManager { get; private set; }
/// <summary>
/// Gets the FFMPEG controller.
/// </summary>
/// <value>The FFMPEG controller.</value>
public FFMpegManager FFMpegManager { get; private set; }
/// <summary>
/// Gets the installation manager.
/// </summary>
/// <value>The installation manager.</value>
public InstallationManager InstallationManager { get; private set; }
/// <summary>
/// Gets or sets the file system manager.
/// </summary>
/// <value>The file system manager.</value>
public FileSystemManager FileSystemManager { get; private set; }
/// <summary>
/// Gets the provider manager.
/// </summary>
/// <value>The provider manager.</value>
public ProviderManager ProviderManager { get; private set; }
/// <summary>
/// Gets the user data manager.
/// </summary>
/// <value>The user data manager.</value>
public UserDataManager UserDataManager { get; private set; }
/// <summary>
/// Gets the plug-in security manager.
/// </summary>
/// <value>The plug-in security manager.</value>
public PluginSecurityManager PluginSecurityManager { get; private set; }
/// <summary>
/// The _users
/// </summary>
private IEnumerable<User> _users;
/// <summary>
/// The _user lock
/// </summary>
private object _usersSyncLock = new object();
/// <summary>
/// The _users initialized
/// </summary>
private bool _usersInitialized;
/// <summary>
/// Gets the users.
/// </summary>
/// <value>The users.</value>
public IEnumerable<User> Users
{
get
{
// Call ToList to exhaust the stream because we'll be iterating over this multiple times
LazyInitializer.EnsureInitialized(ref _users, ref _usersInitialized, ref _usersSyncLock, UserManager.LoadUsers);
return _users;
}
internal set
{
_users = value;
if (value == null)
{
_usersInitialized = false;
}
}
}
/// <summary>
/// The _root folder
/// </summary>
private AggregateFolder _rootFolder;
/// <summary>
/// The _root folder sync lock
/// </summary>
private object _rootFolderSyncLock = new object();
/// <summary>
/// The _root folder initialized
/// </summary>
private bool _rootFolderInitialized;
/// <summary>
/// Gets the root folder.
/// </summary>
/// <value>The root folder.</value>
public AggregateFolder RootFolder
{
get
{
LazyInitializer.EnsureInitialized(ref _rootFolder, ref _rootFolderInitialized, ref _rootFolderSyncLock, LibraryManager.CreateRootFolder);
return _rootFolder;
}
private set
{
_rootFolder = value;
if (value == null)
{
_rootFolderInitialized = false;
}
}
}
/// <summary>
/// Gets the kernel context.
/// </summary>
/// <value>The kernel context.</value>
public override KernelContext KernelContext
{
get { return KernelContext.Server; }
}
/// <summary>
/// Gets the list of Localized string files
/// </summary>
/// <value>The string files.</value>
[ImportMany(typeof(LocalizedStringData))]
public IEnumerable<LocalizedStringData> StringFiles { get; private set; }
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/// <summary>
/// Gets the list of plugin configuration pages
/// </summary>
/// <value>The configuration pages.</value>
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public IEnumerable<IPluginConfigurationPage> PluginConfigurationPages { get; private set; }
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/// <summary>
/// Gets the intro providers.
/// </summary>
/// <value>The intro providers.</value>
public IEnumerable<IIntroProvider> IntroProviders { get; private set; }
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/// <summary>
/// Gets the list of currently registered weather prvoiders
/// </summary>
/// <value>The weather providers.</value>
public IEnumerable<IWeatherProvider> WeatherProviders { get; private set; }
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/// <summary>
/// Gets the list of currently registered metadata prvoiders
/// </summary>
/// <value>The metadata providers enumerable.</value>
[ImportMany(typeof(BaseMetadataProvider))]
public BaseMetadataProvider[] MetadataProviders { get; private set; }
/// <summary>
/// Gets the list of currently registered image processors
/// Image processors are specialized metadata providers that run after the normal ones
/// </summary>
/// <value>The image enhancers.</value>
[ImportMany(typeof(BaseImageEnhancer))]
public BaseImageEnhancer[] ImageEnhancers { get; private set; }
/// <summary>
/// Gets the list of currently registered entity resolvers
/// </summary>
/// <value>The entity resolvers enumerable.</value>
[ImportMany(typeof(IBaseItemResolver))]
internal IBaseItemResolver[] EntityResolvers { get; private set; }
/// <summary>
/// Gets the list of BasePluginFolders added by plugins
/// </summary>
/// <value>The plugin folders.</value>
[ImportMany(typeof(BasePluginFolder))]
internal IEnumerable<BasePluginFolder> PluginFolders { get; private set; }
/// <summary>
/// Gets the list of available user repositories
/// </summary>
/// <value>The user repositories.</value>
private IEnumerable<IUserRepository> UserRepositories { get; set; }
/// <summary>
/// Gets the active user repository
/// </summary>
/// <value>The user repository.</value>
public IUserRepository UserRepository { get; private set; }
/// <summary>
/// Gets the active user repository
/// </summary>
/// <value>The display preferences repository.</value>
public IDisplayPreferencesRepository DisplayPreferencesRepository { get; private set; }
/// <summary>
/// Gets the list of available item repositories
/// </summary>
/// <value>The item repositories.</value>
private IEnumerable<IItemRepository> ItemRepositories { get; set; }
/// <summary>
/// Gets the active item repository
/// </summary>
/// <value>The item repository.</value>
public IItemRepository ItemRepository { get; private set; }
/// <summary>
/// Gets the list of available item repositories
/// </summary>
/// <value>The user data repositories.</value>
private IEnumerable<IUserDataRepository> UserDataRepositories { get; set; }
/// <summary>
/// Gets the list of available DisplayPreferencesRepositories
/// </summary>
/// <value>The display preferences repositories.</value>
private IEnumerable<IDisplayPreferencesRepository> DisplayPreferencesRepositories { get; set; }
/// <summary>
/// Gets the list of entity resolution ignore rules
/// </summary>
/// <value>The entity resolution ignore rules.</value>
internal IEnumerable<IResolutionIgnoreRule> EntityResolutionIgnoreRules { get; private set; }
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/// <summary>
/// Gets the active user data repository
/// </summary>
/// <value>The user data repository.</value>
public IUserDataRepository UserDataRepository { get; private set; }
/// <summary>
/// Limits simultaneous access to various resources
/// </summary>
/// <value>The resource pools.</value>
public ResourcePool ResourcePools { get; set; }
/// <summary>
/// Gets the UDP server port number.
/// </summary>
/// <value>The UDP server port number.</value>
public override int UdpServerPortNumber
{
get { return 7359; }
}
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/// <summary>
/// Gets or sets the zip client.
/// </summary>
/// <value>The zip client.</value>
private IZipClient ZipClient { get; set; }
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/// <summary>
/// Gets or sets the bluray examiner.
/// </summary>
/// <value>The bluray examiner.</value>
private IBlurayExaminer BlurayExaminer { get; set; }
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/// <summary>
/// Creates a kernel based on a Data path, which is akin to our current programdata path
/// </summary>
/// <param name="appHost">The app host.</param>
/// <param name="isoManager">The iso manager.</param>
/// <param name="zipClient">The zip client.</param>
/// <param name="blurayExaminer">The bluray examiner.</param>
/// <param name="logger">The logger.</param>
/// <exception cref="System.ArgumentNullException">isoManager</exception>
public Kernel(IApplicationHost appHost, IIsoManager isoManager, IZipClient zipClient, IBlurayExaminer blurayExaminer, ILogger logger)
: base(appHost, isoManager, logger)
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{
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if (isoManager == null)
{
throw new ArgumentNullException("isoManager");
}
if (zipClient == null)
{
throw new ArgumentNullException("zipClient");
}
if (blurayExaminer == null)
{
throw new ArgumentNullException("blurayExaminer");
}
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Instance = this;
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ZipClient = zipClient;
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BlurayExaminer = blurayExaminer;
// For now there's no real way to inject this properly
BaseItem.Logger = logger;
Ratings.Logger = logger;
LocalizedStrings.Logger = logger;
// For now, until this can become an interface
BaseMetadataProvider.Logger = logger;
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}
/// <summary>
/// Composes the exported values.
/// </summary>
/// <param name="container">The container.</param>
/// <param name="iocContainer">The _ioc container.</param>
protected override void ComposeExportedValues(CompositionContainer container, Container iocContainer)
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{
base.ComposeExportedValues(container, iocContainer);
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container.ComposeExportedValue("kernel", this);
container.ComposeExportedValue("blurayExaminer", BlurayExaminer);
iocContainer.RegisterSingle(this);
iocContainer.RegisterSingle(BlurayExaminer);
}
/// <summary>
/// Composes the parts with ioc container.
/// </summary>
/// <param name="allTypes">All types.</param>
/// <param name="container">The container.</param>
protected override void ComposePartsWithIocContainer(Type[] allTypes, Container container)
{
base.ComposePartsWithIocContainer(allTypes, container);
EntityResolutionIgnoreRules = GetExports<IResolutionIgnoreRule>(allTypes);
UserDataRepositories = GetExports<IUserDataRepository>(allTypes);
UserRepositories = GetExports<IUserRepository>(allTypes);
DisplayPreferencesRepositories = GetExports<IDisplayPreferencesRepository>(allTypes);
ItemRepositories = GetExports<IItemRepository>(allTypes);
WeatherProviders = GetExports<IWeatherProvider>(allTypes);
IntroProviders = GetExports<IIntroProvider>(allTypes);
PluginConfigurationPages = GetExports<IPluginConfigurationPage>(allTypes);
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}
/// <summary>
/// Performs initializations that can be reloaded at anytime
/// </summary>
/// <returns>Task.</returns>
protected override async Task ReloadInternal()
{
Logger.Info("Extracting tools");
// Reset these so that they can be lazy loaded again
Users = null;
RootFolder = null;
ReloadResourcePools();
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InstallationManager = new InstallationManager(this, ZipClient, Logger);
LibraryManager = new LibraryManager(this, Logger);
UserManager = new UserManager(this, Logger);
FFMpegManager = new FFMpegManager(this, ZipClient, Logger);
ImageManager = new ImageManager(this, Logger);
ProviderManager = new ProviderManager(this, Logger);
UserDataManager = new UserDataManager(this, Logger);
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PluginSecurityManager = new PluginSecurityManager(this);
await base.ReloadInternal().ConfigureAwait(false);
ReloadFileSystemManager();
await UserManager.RefreshUsersMetadata(CancellationToken.None).ConfigureAwait(false);
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected override void Dispose(bool dispose)
{
if (dispose)
{
DisposeResourcePools();
DisposeFileSystemManager();
}
base.Dispose(dispose);
}
/// <summary>
/// Disposes the resource pools.
/// </summary>
private void DisposeResourcePools()
{
if (ResourcePools != null)
{
ResourcePools.Dispose();
ResourcePools = null;
}
}
/// <summary>
/// Reloads the resource pools.
/// </summary>
private void ReloadResourcePools()
{
DisposeResourcePools();
ResourcePools = new ResourcePool();
}
/// <summary>
/// Called when [composable parts loaded].
/// </summary>
/// <returns>Task.</returns>
protected override async Task OnComposablePartsLoaded()
{
// The base class will start up all the plugins
await base.OnComposablePartsLoaded().ConfigureAwait(false);
// Get the current item repository
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ItemRepository = GetRepository(ItemRepositories, Configuration.ItemRepository);
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var itemRepoTask = ItemRepository.Initialize();
// Get the current user repository
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UserRepository = GetRepository(UserRepositories, Configuration.UserRepository);
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var userRepoTask = UserRepository.Initialize();
// Get the current item repository
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UserDataRepository = GetRepository(UserDataRepositories, Configuration.UserDataRepository);
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var userDataRepoTask = UserDataRepository.Initialize();
// Get the current display preferences repository
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DisplayPreferencesRepository = GetRepository(DisplayPreferencesRepositories, Configuration.DisplayPreferencesRepository);
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var displayPreferencesRepoTask = DisplayPreferencesRepository.Initialize();
// Sort the resolvers by priority
EntityResolvers = EntityResolvers.OrderBy(e => e.Priority).ToArray();
// Sort the providers by priority
MetadataProviders = MetadataProviders.OrderBy(e => e.Priority).ToArray();
// Sort the image processors by priority
ImageEnhancers = ImageEnhancers.OrderBy(e => e.Priority).ToArray();
await Task.WhenAll(itemRepoTask, userRepoTask, userDataRepoTask, displayPreferencesRepoTask).ConfigureAwait(false);
}
/// <summary>
/// Gets a repository by name from a list, and returns the default if not found
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="repositories">The repositories.</param>
/// <param name="name">The name.</param>
/// <returns>``0.</returns>
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private T GetRepository<T>(IEnumerable<T> repositories, string name)
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where T : class, IRepository
{
var enumerable = repositories as T[] ?? repositories.ToArray();
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return enumerable.FirstOrDefault(r => string.Equals(r.Name, name, StringComparison.OrdinalIgnoreCase)) ??
enumerable.FirstOrDefault();
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}
/// <summary>
/// Disposes the file system manager.
/// </summary>
private void DisposeFileSystemManager()
{
if (FileSystemManager != null)
{
FileSystemManager.Dispose();
FileSystemManager = null;
}
}
/// <summary>
/// Reloads the file system manager.
/// </summary>
private void ReloadFileSystemManager()
{
DisposeFileSystemManager();
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FileSystemManager = new FileSystemManager(this, Logger);
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FileSystemManager.StartWatchers();
}
/// <summary>
/// Gets a User by Id
/// </summary>
/// <param name="id">The id.</param>
/// <returns>User.</returns>
/// <exception cref="System.ArgumentNullException"></exception>
public User GetUserById(Guid id)
{
if (id == Guid.Empty)
{
throw new ArgumentNullException();
}
return Users.FirstOrDefault(u => u.Id == id);
}
/// <summary>
/// Finds a library item by Id and UserId.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="userId">The user id.</param>
/// <returns>BaseItem.</returns>
/// <exception cref="System.ArgumentNullException">id</exception>
public BaseItem GetItemById(Guid id, Guid userId)
{
if (id == Guid.Empty)
{
throw new ArgumentNullException("id");
}
if (userId == Guid.Empty)
{
throw new ArgumentNullException("userId");
}
var user = GetUserById(userId);
var userRoot = user.RootFolder;
return userRoot.FindItemById(id, user);
}
/// <summary>
/// Gets the item by id.
/// </summary>
/// <param name="id">The id.</param>
/// <returns>BaseItem.</returns>
/// <exception cref="System.ArgumentNullException">id</exception>
public BaseItem GetItemById(Guid id)
{
if (id == Guid.Empty)
{
throw new ArgumentNullException("id");
}
return RootFolder.FindItemById(id, null);
}
/// <summary>
/// Completely overwrites the current configuration with a new copy
/// </summary>
/// <param name="config">The config.</param>
public void UpdateConfiguration(ServerConfiguration config)
{
var oldConfiguration = Configuration;
var reloadLogger = config.ShowLogWindow != oldConfiguration.ShowLogWindow;
// Figure out whether or not we should refresh people after the update is finished
var refreshPeopleAfterUpdate = !oldConfiguration.EnableInternetProviders && config.EnableInternetProviders;
// This is true if internet providers has just been turned on, or if People have just been removed from InternetProviderExcludeTypes
if (!refreshPeopleAfterUpdate)
{
var oldConfigurationFetchesPeopleImages = oldConfiguration.InternetProviderExcludeTypes == null || !oldConfiguration.InternetProviderExcludeTypes.Contains(typeof(Person).Name, StringComparer.OrdinalIgnoreCase);
var newConfigurationFetchesPeopleImages = config.InternetProviderExcludeTypes == null || !config.InternetProviderExcludeTypes.Contains(typeof(Person).Name, StringComparer.OrdinalIgnoreCase);
refreshPeopleAfterUpdate = newConfigurationFetchesPeopleImages && !oldConfigurationFetchesPeopleImages;
}
Configuration = config;
SaveConfiguration();
if (reloadLogger)
{
ReloadLogger();
}
TcpManager.OnApplicationConfigurationChanged(oldConfiguration, config);
// Validate currently executing providers, in the background
Task.Run(() =>
{
ProviderManager.ValidateCurrentlyRunningProviders();
// Any number of configuration settings could change the way the library is refreshed, so do that now
TaskManager.CancelIfRunningAndQueue<RefreshMediaLibraryTask>();
if (refreshPeopleAfterUpdate)
{
TaskManager.CancelIfRunningAndQueue<PeopleValidationTask>();
}
});
}
/// <summary>
/// Removes the plugin.
/// </summary>
/// <param name="plugin">The plugin.</param>
internal void RemovePlugin(IPlugin plugin)
{
var list = Plugins.ToList();
list.Remove(plugin);
Plugins = list;
}
/// <summary>
/// Gets the system info.
/// </summary>
/// <returns>SystemInfo.</returns>
public override SystemInfo GetSystemInfo()
{
var info = base.GetSystemInfo();
if (InstallationManager != null)
{
info.InProgressInstallations = InstallationManager.CurrentInstallations.Select(i => i.Item1).ToArray();
info.CompletedInstallations = InstallationManager.CompletedInstallations.ToArray();
}
return info;
}
}
}