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using System;
using System.Linq;
using System.Threading.Tasks;
using Jellyfin.Server.Implementations.StorageHelpers;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Common.Updates;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.System;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Hosting;
namespace Emby.Server.Implementations;
/// <inheritdoc />
public class SystemManager : ISystemManager
{
private readonly IHostApplicationLifetime _applicationLifetime;
private readonly IServerApplicationHost _applicationHost;
private readonly IServerApplicationPaths _applicationPaths;
private readonly IServerConfigurationManager _configurationManager;
private readonly IStartupOptions _startupOptions;
private readonly IInstallationManager _installationManager;
private readonly ILibraryManager _libraryManager;
/// <summary>
/// Initializes a new instance of the <see cref="SystemManager"/> class.
/// </summary>
/// <param name="applicationLifetime">Instance of <see cref="IHostApplicationLifetime"/>.</param>
/// <param name="applicationHost">Instance of <see cref="IServerApplicationHost"/>.</param>
/// <param name="applicationPaths">Instance of <see cref="IServerApplicationPaths"/>.</param>
/// <param name="configurationManager">Instance of <see cref="IServerConfigurationManager"/>.</param>
/// <param name="startupOptions">Instance of <see cref="IStartupOptions"/>.</param>
/// <param name="installationManager">Instance of <see cref="IInstallationManager"/>.</param>
/// <param name="libraryManager">Instance of <see cref="ILibraryManager"/>.</param>
public SystemManager(
IHostApplicationLifetime applicationLifetime,
IServerApplicationHost applicationHost,
IServerApplicationPaths applicationPaths,
IServerConfigurationManager configurationManager,
IStartupOptions startupOptions,
IInstallationManager installationManager,
ILibraryManager libraryManager)
{
_applicationLifetime = applicationLifetime;
_applicationHost = applicationHost;
_applicationPaths = applicationPaths;
_configurationManager = configurationManager;
_startupOptions = startupOptions;
_installationManager = installationManager;
_libraryManager = libraryManager;
}
/// <inheritdoc />
public SystemInfo GetSystemInfo(HttpRequest request)
{
return new SystemInfo
{
HasPendingRestart = _applicationHost.HasPendingRestart,
IsShuttingDown = _applicationLifetime.ApplicationStopping.IsCancellationRequested,
Version = _applicationHost.ApplicationVersionString,
ProductName = _applicationHost.Name,
WebSocketPortNumber = _applicationHost.HttpPort,
CompletedInstallations = _installationManager.CompletedInstallations.ToArray(),
Id = _applicationHost.SystemId,
#pragma warning disable CS0618 // Type or member is obsolete
ProgramDataPath = _applicationPaths.ProgramDataPath,
WebPath = _applicationPaths.WebPath,
LogPath = _applicationPaths.LogDirectoryPath,
ItemsByNamePath = _applicationPaths.InternalMetadataPath,
InternalMetadataPath = _applicationPaths.InternalMetadataPath,
CachePath = _applicationPaths.CachePath,
TranscodingTempPath = _configurationManager.GetTranscodePath(),
#pragma warning restore CS0618 // Type or member is obsolete
ServerName = _applicationHost.FriendlyName,
LocalAddress = _applicationHost.GetSmartApiUrl(request),
StartupWizardCompleted = _configurationManager.CommonConfiguration.IsStartupWizardCompleted,
SupportsLibraryMonitor = true,
PackageName = _startupOptions.PackageName,
CastReceiverApplications = _configurationManager.Configuration.CastReceiverApplications
};
}
/// <inheritdoc/>
public SystemStorageInfo GetSystemStorageInfo()
{
var virtualFolderInfos = _libraryManager.GetVirtualFolders().Select(e => new LibraryStorageInfo()
{
Id = Guid.Parse(e.ItemId),
Name = e.Name,
Folders = e.Locations.Select(f => StorageHelper.GetFreeSpaceOf(f)).ToArray()
});
return new SystemStorageInfo()
{
ProgramDataFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.ProgramDataPath),
WebFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.WebPath),
LogFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.LogDirectoryPath),
ImageCacheFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.ImageCachePath),
InternalMetadataFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.InternalMetadataPath),
CacheFolder = StorageHelper.GetFreeSpaceOf(_applicationPaths.CachePath),
TranscodingTempFolder = StorageHelper.GetFreeSpaceOf(_configurationManager.GetTranscodePath()),
Libraries = virtualFolderInfos.ToArray()
};
}
/// <inheritdoc />
public PublicSystemInfo GetPublicSystemInfo(HttpRequest request)
{
return new PublicSystemInfo
{
Version = _applicationHost.ApplicationVersionString,
ProductName = _applicationHost.Name,
Id = _applicationHost.SystemId,
ServerName = _applicationHost.FriendlyName,
LocalAddress = _applicationHost.GetSmartApiUrl(request),
StartupWizardCompleted = _configurationManager.CommonConfiguration.IsStartupWizardCompleted
};
}
/// <inheritdoc />
public void Restart() => ShutdownInternal(true);
/// <inheritdoc />
public void Shutdown() => ShutdownInternal(false);
private void ShutdownInternal(bool restart)
{
Task.Run(async () =>
{
await Task.Delay(100).ConfigureAwait(false);
_applicationHost.ShouldRestart = restart;
_applicationLifetime.StopApplication();
});
}
}
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