< Summary - Jellyfin

Information
Class: Jellyfin.Server.Program
Assembly: jellyfin
File(s): /srv/git/jellyfin/Jellyfin.Server/Program.cs
Line coverage
23%
Covered lines: 38
Uncovered lines: 122
Coverable lines: 160
Total lines: 370
Line coverage: 23.7%
Branch coverage
2%
Covered branches: 1
Total branches: 48
Branch coverage: 2%
Method coverage

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Coverage history

Coverage history 0 25 50 75 100 2/13/2026 - 12:11:21 AM Line coverage: 86.3% (19/22) Branch coverage: 50% (2/4) Total lines: 3574/14/2026 - 12:13:23 AM Line coverage: 86.3% (19/22) Branch coverage: 50% (2/4) Total lines: 3584/19/2026 - 12:14:27 AM Line coverage: 24.2% (38/157) Branch coverage: 6.6% (2/30) Total lines: 3585/7/2026 - 12:15:44 AM Line coverage: 23.7% (38/160) Branch coverage: 4.1% (2/48) Total lines: 3705/20/2026 - 12:15:44 AM Line coverage: 23.7% (38/160) Branch coverage: 2% (1/48) Total lines: 370 2/13/2026 - 12:11:21 AM Line coverage: 86.3% (19/22) Branch coverage: 50% (2/4) Total lines: 3574/14/2026 - 12:13:23 AM Line coverage: 86.3% (19/22) Branch coverage: 50% (2/4) Total lines: 3584/19/2026 - 12:14:27 AM Line coverage: 24.2% (38/157) Branch coverage: 6.6% (2/30) Total lines: 3585/7/2026 - 12:15:44 AM Line coverage: 23.7% (38/160) Branch coverage: 4.1% (2/48) Total lines: 3705/20/2026 - 12:15:44 AM Line coverage: 23.7% (38/160) Branch coverage: 2% (1/48) Total lines: 370

Coverage delta

Coverage delta 63 -63

Metrics

MethodBranch coverage Crap Score Cyclomatic complexity Line coverage
.cctor()100%11100%
Main(...)100%210%
StartApp()0%110100%
StartServer()0%1190340%
ApplyStartupMigrationAsync()100%11100%
ApplyCoreMigrationsAsync()100%11100%
CreateAppConfiguration(...)100%11100%
ConfigureAppConfiguration(...)25%4490%
PrepareDatabaseProvider(...)100%11100%

File(s)

/srv/git/jellyfin/Jellyfin.Server/Program.cs

#LineLine coverage
 1using System;
 2using System.Collections.Generic;
 3using System.Diagnostics;
 4using System.Globalization;
 5using System.IO;
 6using System.Linq;
 7using System.Reflection;
 8using System.Threading;
 9using System.Threading.Tasks;
 10using CommandLine;
 11using Emby.Server.Implementations;
 12using Emby.Server.Implementations.Configuration;
 13using Emby.Server.Implementations.Serialization;
 14using Jellyfin.Database.Implementations;
 15using Jellyfin.Server.Extensions;
 16using Jellyfin.Server.Helpers;
 17using Jellyfin.Server.Implementations.DatabaseConfiguration;
 18using Jellyfin.Server.Implementations.Extensions;
 19using Jellyfin.Server.Implementations.StorageHelpers;
 20using Jellyfin.Server.Implementations.SystemBackupService;
 21using Jellyfin.Server.Migrations;
 22using Jellyfin.Server.Migrations.Stages;
 23using Jellyfin.Server.ServerSetupApp;
 24using MediaBrowser.Common.Configuration;
 25using MediaBrowser.Common.Net;
 26using MediaBrowser.Controller;
 27using Microsoft.AspNetCore.Hosting;
 28using Microsoft.EntityFrameworkCore;
 29using Microsoft.Extensions.Configuration;
 30using Microsoft.Extensions.DependencyInjection;
 31using Microsoft.Extensions.Hosting;
 32using Microsoft.Extensions.Logging;
 33using Microsoft.Extensions.Logging.Abstractions;
 34using Serilog;
 35using Serilog.Extensions.Logging;
 36using static MediaBrowser.Controller.Extensions.ConfigurationExtensions;
 37using ILogger = Microsoft.Extensions.Logging.ILogger;
 38
 39namespace Jellyfin.Server
 40{
 41    /// <summary>
 42    /// Class containing the entry point of the application.
 43    /// </summary>
 44    public static class Program
 45    {
 46        /// <summary>
 47        /// The name of logging configuration file containing application defaults.
 48        /// </summary>
 49        public const string LoggingConfigFileDefault = "logging.default.json";
 50
 51        /// <summary>
 52        /// The name of the logging configuration file containing the system-specific override settings.
 53        /// </summary>
 54        public const string LoggingConfigFileSystem = "logging.json";
 55
 156        private static readonly SerilogLoggerFactory _loggerFactory = new SerilogLoggerFactory();
 57        private static SetupServer? _setupServer;
 58        private static CoreAppHost? _appHost;
 159        private static IHost? _jellyfinHost = null;
 60        private static long _startTimestamp;
 161        private static ILogger _logger = NullLogger.Instance;
 62        private static bool _restartOnShutdown;
 63        private static IStartupLogger<JellyfinMigrationService>? _migrationLogger;
 64        private static string? _restoreFromBackup;
 65
 66        /// <summary>
 67        /// The entry point of the application.
 68        /// </summary>
 69        /// <param name="args">The command line arguments passed.</param>
 70        /// <returns><see cref="Task" />.</returns>
 71        public static Task Main(string[] args)
 72        {
 73            static Task ErrorParsingArguments(IEnumerable<Error> errors)
 74            {
 75                Environment.ExitCode = 1;
 76                return Task.CompletedTask;
 77            }
 78
 79            // Parse the command line arguments and either start the app or exit indicating error
 080            return Parser.Default.ParseArguments<StartupOptions>(args)
 081                .MapResult(StartApp, ErrorParsingArguments);
 82        }
 83
 84        private static async Task StartApp(StartupOptions options)
 85        {
 086            _restoreFromBackup = options.RestoreArchive;
 087            _startTimestamp = Stopwatch.GetTimestamp();
 088            ServerApplicationPaths appPaths = StartupHelpers.CreateApplicationPaths(options);
 089            appPaths.MakeSanityCheckOrThrow();
 90
 91            // $JELLYFIN_LOG_DIR needs to be set for the logger configuration manager
 092            Environment.SetEnvironmentVariable("JELLYFIN_LOG_DIR", appPaths.LogDirectoryPath);
 93
 94            // Enable cl-va P010 interop for tonemapping on Intel VAAPI
 095            Environment.SetEnvironmentVariable("NEOReadDebugKeys", "1");
 096            Environment.SetEnvironmentVariable("EnableExtendedVaFormats", "1");
 97
 098            await StartupHelpers.InitLoggingConfigFile(appPaths).ConfigureAwait(false);
 99
 100            // Create an instance of the application configuration to use for application startup
 0101            IConfiguration startupConfig = CreateAppConfiguration(options, appPaths);
 0102            StartupHelpers.InitializeLoggingFramework(startupConfig, appPaths);
 0103            _setupServer = new SetupServer(static () => _jellyfinHost?.Services?.GetService<INetworkManager>(), appPaths
 0104            await _setupServer.RunAsync().ConfigureAwait(false);
 0105            _logger = _loggerFactory.CreateLogger("Main");
 0106            StartupLogger.Logger = new StartupLogger(_logger);
 107
 108            // Use the logging framework for uncaught exceptions instead of std error
 0109            AppDomain.CurrentDomain.UnhandledException += (_, e)
 0110                => _logger.LogCritical((Exception)e.ExceptionObject, "Unhandled Exception");
 111
 0112            _logger.LogInformation(
 0113                "Jellyfin version: {Version}",
 0114                Assembly.GetEntryAssembly()!.GetName().Version!.ToString(3));
 115
 0116            StartupHelpers.LogEnvironmentInfo(_logger, appPaths);
 117
 118            // If hosting the web client, validate the client content path
 0119            if (startupConfig.HostWebClient())
 120            {
 0121                var webContentPath = appPaths.WebPath;
 0122                if (!Directory.Exists(webContentPath) || !Directory.EnumerateFiles(webContentPath).Any())
 123                {
 0124                    _logger.LogError(
 0125                        "The server is expected to host the web client, but the provided content directory is either " +
 0126                        "invalid or empty: {WebContentPath}. If you do not want to host the web client with the " +
 0127                        "server, you may set the '--nowebclient' command line flag, or set" +
 0128                        "'{ConfigKey}=false' in your config settings",
 0129                        webContentPath,
 0130                        HostWebClientKey);
 0131                    Environment.ExitCode = 1;
 0132                    return;
 133                }
 134            }
 135
 0136            StorageHelper.TestCommonPathsForStorageCapacity(appPaths, StartupLogger.Logger.With(_loggerFactory.CreateLog
 137
 0138            StartupHelpers.PerformStaticInitialization();
 139
 0140            await ApplyStartupMigrationAsync(appPaths, startupConfig, options).ConfigureAwait(false);
 141
 142            do
 143            {
 0144                await StartServer(appPaths, options, startupConfig).ConfigureAwait(false);
 145
 0146                if (_restartOnShutdown)
 147                {
 0148                    _startTimestamp = Stopwatch.GetTimestamp();
 0149                    await _setupServer.StopAsync().ConfigureAwait(false);
 0150                    await _setupServer.RunAsync().ConfigureAwait(false);
 151                }
 0152            } while (_restartOnShutdown);
 153
 0154            _setupServer.Dispose();
 0155        }
 156
 157        private static async Task StartServer(IServerApplicationPaths appPaths, StartupOptions options, IConfiguration s
 158        {
 0159            using CoreAppHost appHost = new CoreAppHost(
 0160                            appPaths,
 0161                            _loggerFactory,
 0162                            options,
 0163                            startupConfig);
 0164            var configurationCompleted = false;
 165            try
 166            {
 0167                _jellyfinHost = Host.CreateDefaultBuilder()
 0168                    .UseConsoleLifetime()
 0169                    .ConfigureServices(services => appHost.Init(services))
 0170                    .ConfigureWebHostDefaults(webHostBuilder =>
 0171                    {
 0172                        webHostBuilder.ConfigureWebHostBuilder(appHost, startupConfig, appPaths, _logger);
 0173                        if (bool.TryParse(Environment.GetEnvironmentVariable("JELLYFIN_ENABLE_IIS"), out var iisEnabled)
 0174                        {
 0175                            _logger.LogCritical("UNSUPPORTED HOSTING ENVIRONMENT Microsoft Internet Information Services
 0176                            webHostBuilder.UseIIS();
 0177                        }
 0178                    })
 0179                    .ConfigureAppConfiguration(config => config.ConfigureAppConfiguration(options, appPaths, startupConf
 0180                    .UseSerilog()
 0181                    .ConfigureServices(e => e
 0182                        .RegisterStartupLogger()
 0183                        .AddSingleton<IServiceCollection>(e))
 0184                    .Build();
 185
 186                /*
 187                 * Initialize the transcode path marker so we avoid starting Jellyfin in a broken state.
 188                 * This should really be a part of IApplicationPaths but this path is configured differently.
 189                 */
 0190                _ = appHost.ConfigurationManager.GetTranscodePath();
 191
 192                // Re-use the host service provider in the app host since ASP.NET doesn't allow a custom service collect
 0193                appHost.ServiceProvider = _jellyfinHost.Services;
 0194                PrepareDatabaseProvider(appHost.ServiceProvider);
 195
 0196                if (!string.IsNullOrWhiteSpace(_restoreFromBackup))
 197                {
 0198                    await appHost.ServiceProvider.GetService<IBackupService>()!.RestoreBackupAsync(_restoreFromBackup).C
 0199                    _restoreFromBackup = null;
 0200                    _restartOnShutdown = true;
 0201                    return;
 202                }
 203
 0204                var jellyfinMigrationService = ActivatorUtilities.CreateInstance<JellyfinMigrationService>(appHost.Servi
 0205                await jellyfinMigrationService.PrepareSystemForMigration(_logger).ConfigureAwait(false);
 0206                await jellyfinMigrationService.MigrateStepAsync(JellyfinMigrationStageTypes.CoreInitialisation, appHost.
 207
 0208                await appHost.InitializeServices(startupConfig).ConfigureAwait(false);
 0209                _appHost = appHost;
 210
 0211                await jellyfinMigrationService.MigrateStepAsync(JellyfinMigrationStageTypes.AppInitialisation, appHost.S
 0212                await jellyfinMigrationService.CleanupSystemAfterMigration(_logger).ConfigureAwait(false);
 213                try
 214                {
 0215                    configurationCompleted = true;
 0216                    await _setupServer!.StopAsync().ConfigureAwait(false);
 217
 0218                    if (options.StartupMode is null or Configuration.StartupMode.MediaServer)
 219                    {
 0220                        await _jellyfinHost.StartAsync().ConfigureAwait(false);
 221
 0222                        if (!OperatingSystem.IsWindows() && startupConfig.UseUnixSocket())
 223                        {
 0224                            var socketPath = StartupHelpers.GetUnixSocketPath(startupConfig, appPaths);
 225
 0226                            StartupHelpers.SetUnixSocketPermissions(startupConfig, socketPath, _logger);
 227                        }
 228                    }
 0229                }
 0230                catch (Exception)
 231                {
 0232                    _logger.LogError("Kestrel failed to start! This is most likely due to an invalid address or port bin
 0233                    throw;
 234                }
 235
 0236                if (options.StartupMode is null or Configuration.StartupMode.MediaServer)
 237                {
 0238                    await appHost.RunStartupTasksAsync().ConfigureAwait(false);
 0239                    _logger.LogInformation("Startup complete {Time:g}", Stopwatch.GetElapsedTime(_startTimestamp));
 240
 0241                    await _jellyfinHost.WaitForShutdownAsync().ConfigureAwait(false);
 242                }
 243
 0244                _restartOnShutdown = appHost.ShouldRestart;
 0245                _restoreFromBackup = appHost.RestoreBackupPath;
 0246            }
 0247            catch (Exception ex)
 248            {
 0249                _restartOnShutdown = false;
 0250                _logger.LogCritical(ex, "Error while starting server");
 0251                if (_setupServer!.IsAlive && !configurationCompleted)
 252                {
 0253                    _setupServer!.SoftStop();
 0254                    if (options.StartupMode is null or Configuration.StartupMode.MediaServer)
 255                    {
 0256                        await Task.Delay(TimeSpan.FromMinutes(10)).ConfigureAwait(false);
 257                    }
 258
 0259                    await _setupServer!.StopAsync().ConfigureAwait(false);
 260                }
 261            }
 262            finally
 263            {
 264                // Don't throw additional exception if startup failed.
 0265                if (appHost.ServiceProvider is not null)
 266                {
 0267                    _logger.LogInformation("Running query planner optimizations in the database... This might take a whi
 268
 0269                    var databaseProvider = appHost.ServiceProvider.GetRequiredService<IJellyfinDatabaseProvider>();
 0270                    using var shutdownSource = new CancellationTokenSource();
 0271                    shutdownSource.CancelAfter((int)TimeSpan.FromSeconds(60).TotalMicroseconds);
 0272                    await databaseProvider.RunShutdownTask(shutdownSource.Token).ConfigureAwait(false);
 0273                }
 274
 0275                _appHost = null;
 0276                _jellyfinHost?.Dispose();
 0277                _jellyfinHost = null;
 278            }
 0279        }
 280
 281        /// <summary>
 282        /// [Internal]Runs the startup Migrations.
 283        /// </summary>
 284        /// <remarks>
 285        /// Not intended to be used other then by jellyfin and its tests.
 286        /// </remarks>
 287        /// <param name="appPaths">Application Paths.</param>
 288        /// <param name="startupConfig">Startup Config.</param>
 289        /// <param name="startupOptions">The applications startup options.</param>
 290        /// <returns>A task.</returns>
 291        public static async Task ApplyStartupMigrationAsync(ServerApplicationPaths appPaths, IConfiguration startupConfi
 292        {
 21293            _migrationLogger = StartupLogger.Logger.BeginGroup<JellyfinMigrationService>($"Migration Service");
 21294            var startupConfigurationManager = new ServerConfigurationManager(appPaths, _loggerFactory, new MyXmlSerializ
 21295            startupConfigurationManager.AddParts([new DatabaseConfigurationFactory()]);
 21296            var migrationStartupServiceProvider = new ServiceCollection()
 21297                .AddLogging(d => d.AddSerilog())
 21298                .AddJellyfinDbContext(startupConfigurationManager, startupConfig)
 21299                .AddSingleton<IApplicationPaths>(appPaths)
 21300                .AddSingleton<ServerApplicationPaths>(appPaths)
 21301                .RegisterStartupLogger();
 302
 21303            migrationStartupServiceProvider.AddSingleton(migrationStartupServiceProvider);
 21304            var startupService = migrationStartupServiceProvider.BuildServiceProvider();
 305
 21306            PrepareDatabaseProvider(startupService);
 307
 21308            var jellyfinMigrationService = ActivatorUtilities.CreateInstance<JellyfinMigrationService>(startupService);
 21309            await jellyfinMigrationService.CheckFirstTimeRunOrMigration(appPaths, startupOptions).ConfigureAwait(false);
 21310            await jellyfinMigrationService.MigrateStepAsync(Migrations.Stages.JellyfinMigrationStageTypes.PreInitialisat
 21311        }
 312
 313        /// <summary>
 314        /// [Internal]Runs the Jellyfin migrator service with the Core stage.
 315        /// </summary>
 316        /// <remarks>
 317        /// Not intended to be used other then by jellyfin and its tests.
 318        /// </remarks>
 319        /// <param name="serviceProvider">The service provider.</param>
 320        /// <param name="jellyfinMigrationStage">The stage to run.</param>
 321        /// <returns>A task.</returns>
 322        public static async Task ApplyCoreMigrationsAsync(IServiceProvider serviceProvider, Migrations.Stages.JellyfinMi
 323        {
 42324            var jellyfinMigrationService = ActivatorUtilities.CreateInstance<JellyfinMigrationService>(serviceProvider, 
 42325            await jellyfinMigrationService.MigrateStepAsync(jellyfinMigrationStage, serviceProvider).ConfigureAwait(fals
 42326        }
 327
 328        /// <summary>
 329        /// Create the application configuration.
 330        /// </summary>
 331        /// <param name="commandLineOpts">The command line options passed to the program.</param>
 332        /// <param name="appPaths">The application paths.</param>
 333        /// <returns>The application configuration.</returns>
 334        public static IConfiguration CreateAppConfiguration(StartupOptions commandLineOpts, IApplicationPaths appPaths)
 335        {
 21336            return new ConfigurationBuilder()
 21337                .ConfigureAppConfiguration(commandLineOpts, appPaths)
 21338                .Build();
 339        }
 340
 341        private static IConfigurationBuilder ConfigureAppConfiguration(
 342            this IConfigurationBuilder config,
 343            StartupOptions commandLineOpts,
 344            IApplicationPaths appPaths,
 345            IConfiguration? startupConfig = null)
 346        {
 347            // Use the swagger API page as the default redirect path if not hosting the web client
 21348            var inMemoryDefaultConfig = ConfigurationOptions.DefaultConfiguration;
 21349            if (startupConfig is not null && !startupConfig.HostWebClient())
 350            {
 0351                inMemoryDefaultConfig[DefaultRedirectKey] = "api-docs/swagger";
 352            }
 353
 21354            return config
 21355                .SetBasePath(appPaths.ConfigurationDirectoryPath)
 21356                .AddInMemoryCollection(inMemoryDefaultConfig)
 21357                .AddJsonFile(LoggingConfigFileDefault, optional: false, reloadOnChange: true)
 21358                .AddJsonFile(LoggingConfigFileSystem, optional: true, reloadOnChange: true)
 21359                .AddEnvironmentVariables("JELLYFIN_")
 21360                .AddInMemoryCollection(commandLineOpts.ConvertToConfig());
 361        }
 362
 363        private static void PrepareDatabaseProvider(IServiceProvider services)
 364        {
 21365            var factory = services.GetRequiredService<IDbContextFactory<JellyfinDbContext>>();
 21366            var provider = services.GetRequiredService<IJellyfinDatabaseProvider>();
 21367            provider.DbContextFactory = factory;
 21368        }
 369    }
 370}