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Merge pull request #567 from Bond-009/term

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Shutdown gracefully when recieving a termination signal
This commit is contained in:
Joshua M. Boniface 2019-01-16 11:49:53 -05:00 committed by GitHub
parent 5b1f36ef27 50c127fd9a
commit 2b1e3aa45f
1 changed files with 346 additions and 313 deletions
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53
Jellyfin.Server/Program.cs
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@ -6,6 +6,7 @@ using System.Net;
using System.Net.Security;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Threading;
using System.Threading.Tasks;
using Emby.Drawing;
using Emby.Drawing.Skia;
@ -29,12 +30,12 @@ namespace Jellyfin.Server
{
public static class Program
{
private static readonly TaskCompletionSource<bool> ApplicationTaskCompletionSource = new TaskCompletionSource<bool>();
private static ILoggerFactory _loggerFactory;
private static readonly CancellationTokenSource _tokenSource = new CancellationTokenSource();
private static readonly ILoggerFactory _loggerFactory = new SerilogLoggerFactory();
private static ILogger _logger;
private static bool _restartOnShutdown;
public static async Task<int> Main(string[] args)
public static async Task Main(string[] args)
{
StartupOptions options = new StartupOptions(args);
Version version = Assembly.GetEntryAssembly().GetName().Version;
@ -42,19 +43,42 @@ namespace Jellyfin.Server
if (options.ContainsOption("-v") || options.ContainsOption("--version"))
{
Console.WriteLine(version.ToString());
return 0;
}
ServerApplicationPaths appPaths = createApplicationPaths(options);
// $JELLYFIN_LOG_DIR needs to be set for the logger configuration manager
Environment.SetEnvironmentVariable("JELLYFIN_LOG_DIR", appPaths.LogDirectoryPath);
await createLogger(appPaths);
_loggerFactory = new SerilogLoggerFactory();
_logger = _loggerFactory.CreateLogger("Main");
AppDomain.CurrentDomain.UnhandledException += (sender, e)
=> _logger.LogCritical((Exception)e.ExceptionObject, "Unhandled Exception");
// Intercept Ctrl+C and Ctrl+Break
Console.CancelKeyPress += (sender, e) =>
{
if (_tokenSource.IsCancellationRequested)
{
return; // Already shutting down
}
e.Cancel = true;
_logger.LogInformation("Ctrl+C, shutting down");
Environment.ExitCode = 128 + 2;
Shutdown();
};
// Register a SIGTERM handler
AppDomain.CurrentDomain.ProcessExit += (sender, e) =>
{
if (_tokenSource.IsCancellationRequested)
{
return; // Already shutting down
}
_logger.LogInformation("Received a SIGTERM signal, shutting down");
Environment.ExitCode = 128 + 15;
Shutdown();
};
_logger.LogInformation("Jellyfin version: {Version}", version);
EnvironmentInfo environmentInfo = new EnvironmentInfo(getOperatingSystem());
@ -86,8 +110,16 @@ namespace Jellyfin.Server
await appHost.RunStartupTasks();
// TODO: read input for a stop command
// Block main thread until shutdown
await ApplicationTaskCompletionSource.Task;
try
{
// Block main thread until shutdown
await Task.Delay(-1, _tokenSource.Token);
}
catch (TaskCanceledException)
{
// Don't throw on cancellation
}
_logger.LogInformation("Disposing app host");
}
@ -96,8 +128,6 @@ namespace Jellyfin.Server
{
StartNewInstance(options);
}
return 0;
}
private static ServerApplicationPaths createApplicationPaths(StartupOptions options)
@ -258,7 +288,10 @@ namespace Jellyfin.Server
public static void Shutdown()
{
ApplicationTaskCompletionSource.SetResult(true);
if (!_tokenSource.IsCancellationRequested)
{
_tokenSource.Cancel();
}
}
public static void Restart()