jellyfin-server/MediaBrowser.Controller/Kernel.cs

367 lines
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C#
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using MediaBrowser.Common.Kernel;
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using MediaBrowser.Common.ScheduledTasks;
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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.Plugins;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Controller.Updates;
using MediaBrowser.Controller.Weather;
using MediaBrowser.Model.Configuration;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Serialization;
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using MediaBrowser.Model.System;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller
{
/// <summary>
/// Class Kernel
/// </summary>
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public class Kernel : BaseKernel<ServerConfiguration, IServerApplicationPaths>
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{
/// <summary>
/// Gets the instance.
/// </summary>
/// <value>The instance.</value>
public static Kernel Instance { get; private set; }
/// <summary>
/// Gets the image manager.
/// </summary>
/// <value>The image manager.</value>
public ImageManager ImageManager { 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; set; }
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/// <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 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>
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 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>
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>
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public IEnumerable<IImageEnhancer> ImageEnhancers { get; private set; }
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/// <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 DisplayPreferencesRepositories
/// </summary>
/// <value>The display preferences repositories.</value>
private IEnumerable<IDisplayPreferencesRepository> DisplayPreferencesRepositories { get; set; }
/// <summary>
/// Gets the list of available item repositories
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/// </summary>
/// <value>The user data repositories.</value>
private IEnumerable<IUserDataRepository> UserDataRepositories { get; 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>
/// Gets the UDP server port number.
/// </summary>
/// <value>The UDP server port number.</value>
public override int UdpServerPortNumber
{
get { return 7359; }
}
/// <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>
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/// <param name="appPaths">The app paths.</param>
/// <param name="xmlSerializer">The XML serializer.</param>
/// <param name="logger">The logger.</param>
/// <exception cref="System.ArgumentNullException">isoManager</exception>
public Kernel(IApplicationHost appHost, IServerApplicationPaths appPaths, IXmlSerializer xmlSerializer, ILogger logger)
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: base(appHost, appPaths, xmlSerializer, logger)
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{
Instance = this;
// For now there's no real way to inject this properly
BaseItem.Logger = logger;
Ratings.Logger = logger;
LocalizedStrings.Logger = logger;
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}
/// <summary>
/// Composes the parts with ioc container.
/// </summary>
protected void FindParts()
{
// For now there's no real way to inject this properly
BaseItem.LibraryManager = ApplicationHost.Resolve<ILibraryManager>();
User.UserManager = ApplicationHost.Resolve<IUserManager>();
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FFMpegManager = (FFMpegManager)ApplicationHost.CreateInstance(typeof(FFMpegManager));
ImageManager = (ImageManager)ApplicationHost.CreateInstance(typeof(ImageManager));
ProviderManager = (ProviderManager)ApplicationHost.CreateInstance(typeof(ProviderManager));
SecurityManager = (PluginSecurityManager)ApplicationHost.CreateInstance(typeof(PluginSecurityManager));
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UserDataRepositories = ApplicationHost.GetExports<IUserDataRepository>();
UserRepositories = ApplicationHost.GetExports<IUserRepository>();
DisplayPreferencesRepositories = ApplicationHost.GetExports<IDisplayPreferencesRepository>();
ItemRepositories = ApplicationHost.GetExports<IItemRepository>();
WeatherProviders = ApplicationHost.GetExports<IWeatherProvider>();
PluginConfigurationPages = ApplicationHost.GetExports<IPluginConfigurationPage>();
ImageEnhancers = ApplicationHost.GetExports<IImageEnhancer>().OrderBy(e => e.Priority).ToArray();
StringFiles = ApplicationHost.GetExports<LocalizedStringData>();
MetadataProviders = ApplicationHost.GetExports<BaseMetadataProvider>().OrderBy(e => e.Priority).ToArray();
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}
/// <summary>
/// Performs initializations that can be reloaded at anytime
/// </summary>
/// <returns>Task.</returns>
protected override async void ReloadInternal()
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{
base.ReloadInternal();
FindParts();
await LoadRepositories().ConfigureAwait(false);
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ReloadResourcePools();
await ApplicationHost.Resolve<IUserManager>().RefreshUsersMetadata(CancellationToken.None).ConfigureAwait(false);
foreach (var entryPoint in ApplicationHost.GetExports<IServerEntryPoint>())
{
entryPoint.Run();
}
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ReloadFileSystemManager();
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}
/// <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 Task LoadRepositories()
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{
// 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();
return Task.WhenAll(itemRepoTask, userRepoTask, userDataRepoTask, displayPreferencesRepoTask);
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}
/// <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();
FileSystemManager = new FileSystemManager(this, Logger, ApplicationHost.Resolve<ITaskManager>(), ApplicationHost.Resolve<ILibraryManager>());
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FileSystemManager.StartWatchers();
}
/// <summary>
/// Completely overwrites the current configuration with a new copy
/// </summary>
/// <param name="config">The config.</param>
public void UpdateConfiguration(ServerConfiguration config)
{
Configuration = config;
SaveConfiguration();
// Validate currently executing providers, in the background
Task.Run(() =>
{
ProviderManager.ValidateCurrentlyRunningProviders();
});
}
/// <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;
}
}
}