jellyfin/Jellyfin.Server/CoreAppHost.cs

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using System;
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using System.Collections.Generic;
using System.Reflection;
using Emby.Drawing;
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using Emby.Server.Implementations;
using Jellyfin.Drawing.Skia;
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using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Drawing;
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using MediaBrowser.Model.IO;
using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
namespace Jellyfin.Server
{
/// <summary>
/// Implementation of the abstract <see cref="ApplicationHost" /> class.
/// </summary>
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public class CoreAppHost : ApplicationHost
{
/// <summary>
/// Initializes a new instance of the <see cref="CoreAppHost" /> class.
/// </summary>
/// <param name="applicationPaths">The <see cref="ServerApplicationPaths" /> to be used by the <see cref="CoreAppHost" />.</param>
/// <param name="loggerFactory">The <see cref="ILoggerFactory" /> to be used by the <see cref="CoreAppHost" />.</param>
/// <param name="options">The <see cref="StartupOptions" /> to be used by the <see cref="CoreAppHost" />.</param>
/// <param name="fileSystem">The <see cref="IFileSystem" /> to be used by the <see cref="CoreAppHost" />.</param>
/// <param name="networkManager">The <see cref="INetworkManager" /> to be used by the <see cref="CoreAppHost" />.</param>
public CoreAppHost(
ServerApplicationPaths applicationPaths,
ILoggerFactory loggerFactory,
StartupOptions options,
IFileSystem fileSystem,
INetworkManager networkManager)
: base(
applicationPaths,
loggerFactory,
options,
fileSystem,
networkManager)
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{
}
/// <inheritdoc/>
protected override void RegisterServices(IServiceCollection serviceCollection)
{
// Register an image encoder
bool useSkiaEncoder = SkiaEncoder.IsNativeLibAvailable();
Type imageEncoderType = useSkiaEncoder
? typeof(SkiaEncoder)
: typeof(NullImageEncoder);
serviceCollection.AddSingleton(typeof(IImageEncoder), imageEncoderType);
// Log a warning if the Skia encoder could not be used
if (!useSkiaEncoder)
{
Logger.LogWarning($"Skia not available. Will fallback to {nameof(NullImageEncoder)}.");
}
base.RegisterServices(serviceCollection);
}
/// <inheritdoc />
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protected override void RestartInternal() => Program.Restart();
/// <inheritdoc />
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protected override IEnumerable<Assembly> GetAssembliesWithPartsInternal()
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{
yield return typeof(CoreAppHost).Assembly;
}
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/// <inheritdoc />
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protected override void ShutdownInternal() => Program.Shutdown();
}
}