jellyfin/MediaBrowser.ServerApplication/ApplicationHost.cs
2013-02-25 22:43:04 -05:00

245 lines
8.9 KiB
C#

using BDInfo;
using MediaBrowser.ClickOnce;
using MediaBrowser.Common.Implementations;
using MediaBrowser.Common.Implementations.ScheduledTasks;
using MediaBrowser.Common.Implementations.Serialization;
using MediaBrowser.Common.IO;
using MediaBrowser.Common.Kernel;
using MediaBrowser.Common.Net;
using MediaBrowser.Common.ScheduledTasks;
using MediaBrowser.Controller;
using MediaBrowser.IsoMounter;
using MediaBrowser.Logging.Nlog;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.System;
using MediaBrowser.Model.Updates;
using MediaBrowser.Networking.HttpManager;
using MediaBrowser.Networking.HttpServer;
using MediaBrowser.Networking.Management;
using MediaBrowser.Networking.Udp;
using MediaBrowser.Networking.WebSocket;
using MediaBrowser.Server.Implementations;
using MediaBrowser.ServerApplication.Implementations;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.ServerApplication
{
/// <summary>
/// Class CompositionRoot
/// </summary>
public class ApplicationHost : BaseApplicationHost, IApplicationHost
{
/// <summary>
/// Gets or sets the log file path.
/// </summary>
/// <value>The log file path.</value>
public string LogFilePath { get; private set; }
/// <summary>
/// Gets or sets the kernel.
/// </summary>
/// <value>The kernel.</value>
internal Kernel Kernel { get; private set; }
/// <summary>
/// The json serializer
/// </summary>
private readonly IJsonSerializer _jsonSerializer = new JsonSerializer();
/// <summary>
/// The _XML serializer
/// </summary>
private readonly IXmlSerializer _xmlSerializer = new XmlSerializer();
/// <summary>
/// The _application paths
/// </summary>
private readonly IServerApplicationPaths _applicationPaths = new ServerApplicationPaths();
/// <summary>
/// The _task manager
/// </summary>
private readonly ITaskManager _taskManager;
/// <summary>
/// The _task manager
/// </summary>
private readonly IHttpServer _httpServer;
/// <summary>
/// Gets a value indicating whether this instance is first run.
/// </summary>
/// <value><c>true</c> if this instance is first run; otherwise, <c>false</c>.</value>
public bool IsFirstRun { get; private set; }
/// <summary>
/// Initializes a new instance of the <see cref="ApplicationHost" /> class.
/// </summary>
/// <param name="logger">The logger.</param>
public ApplicationHost()
: base()
{
IsFirstRun = !File.Exists(_applicationPaths.SystemConfigurationFilePath);
Logger = new NLogger("App");
DiscoverTypes();
_taskManager = new TaskManager(_applicationPaths, _jsonSerializer, Logger);
Kernel = new Kernel(this, _applicationPaths, _xmlSerializer, _taskManager, Logger);
ReloadLogger();
Logger.Info("Version {0} initializing", ApplicationVersion);
_httpServer = ServerFactory.CreateServer(this, ProtobufSerializer, Logger, "Media Browser", "index.html");
RegisterResources();
FindParts();
}
/// <summary>
/// Registers resources that classes will depend on
/// </summary>
private void RegisterResources()
{
RegisterSingleInstance<IKernel>(Kernel);
RegisterSingleInstance(Kernel);
RegisterSingleInstance<IApplicationHost>(this);
RegisterSingleInstance(Logger);
RegisterSingleInstance(_applicationPaths);
RegisterSingleInstance<IApplicationPaths>(_applicationPaths);
RegisterSingleInstance(_taskManager);
RegisterSingleInstance<IIsoManager>(new PismoIsoManager(Logger));
RegisterSingleInstance<IBlurayExaminer>(new BdInfoExaminer());
RegisterSingleInstance<IHttpClient>(new HttpManager(_applicationPaths, Logger));
RegisterSingleInstance<INetworkManager>(new NetworkManager());
RegisterSingleInstance<IZipClient>(new DotNetZipClient());
RegisterSingleInstance<IWebSocketServer>(() => new AlchemyServer(Logger));
RegisterSingleInstance(_jsonSerializer);
RegisterSingleInstance(_xmlSerializer);
RegisterSingleInstance(ProtobufSerializer);
RegisterSingleInstance<IUdpServer>(new UdpServer());
RegisterSingleInstance(_httpServer);
}
/// <summary>
/// Finds the parts.
/// </summary>
private void FindParts()
{
_taskManager.AddTasks(GetExports<IScheduledTask>(false));
_httpServer.Init(GetExports<IRestfulService>(false));
}
/// <summary>
/// Restarts this instance.
/// </summary>
/// <exception cref="System.NotImplementedException"></exception>
public void Restart()
{
App.Instance.Restart();
}
/// <summary>
/// Reloads the logger.
/// </summary>
/// <exception cref="System.NotImplementedException"></exception>
public void ReloadLogger()
{
LogFilePath = Path.Combine(_applicationPaths.LogDirectoryPath, "Server-" + DateTime.Now.Ticks + ".log");
NlogManager.AddFileTarget(LogFilePath, Kernel.Configuration.EnableDebugLevelLogging);
}
/// <summary>
/// Gets or sets a value indicating whether this instance can self update.
/// </summary>
/// <value><c>true</c> if this instance can self update; otherwise, <c>false</c>.</value>
public bool CanSelfUpdate
{
get { return ClickOnceHelper.IsNetworkDeployed; }
}
/// <summary>
/// Checks for update.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task{CheckForUpdateResult}.</returns>
public Task<CheckForUpdateResult> CheckForApplicationUpdate(CancellationToken cancellationToken, IProgress<double> progress)
{
return new ApplicationUpdateCheck().CheckForApplicationUpdate(cancellationToken, progress);
}
/// <summary>
/// Updates the application.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress.</param>
/// <returns>Task.</returns>
public Task UpdateApplication(CancellationToken cancellationToken, IProgress<double> progress)
{
return new ApplicationUpdater().UpdateApplication(cancellationToken, progress);
}
/// <summary>
/// Gets the composable part assemblies.
/// </summary>
/// <returns>IEnumerable{Assembly}.</returns>
protected override IEnumerable<Assembly> GetComposablePartAssemblies()
{
// Gets all plugin assemblies by first reading all bytes of the .dll and calling Assembly.Load against that
// This will prevent the .dll file from getting locked, and allow us to replace it when needed
foreach (var pluginAssembly in Directory
.EnumerateFiles(_applicationPaths.PluginsPath, "*.dll", SearchOption.TopDirectoryOnly)
.Select(LoadAssembly).Where(a => a != null))
{
yield return pluginAssembly;
}
var runningDirectory = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName);
var corePluginDirectory = Path.Combine(runningDirectory, "CorePlugins");
// This will prevent the .dll file from getting locked, and allow us to replace it when needed
foreach (var pluginAssembly in Directory
.EnumerateFiles(corePluginDirectory, "*.dll", SearchOption.TopDirectoryOnly)
.Select(LoadAssembly).Where(a => a != null))
{
yield return pluginAssembly;
}
// Include composable parts in the Model assembly
yield return typeof(SystemInfo).Assembly;
// Include composable parts in the Common assembly
yield return typeof(IKernel).Assembly;
// Include composable parts in the Controller assembly
yield return typeof(Kernel).Assembly;
// Common implementations
yield return typeof(TaskManager).Assembly;
// Server implementations
yield return typeof(ServerApplicationPaths).Assembly;
// Include composable parts in the running assembly
yield return GetType().Assembly;
}
}
}