jellyfin/Emby.Server.Implementations/EntryPoints/AutomaticRestartEntryPoint.cs

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using System;
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using System.Linq;
using System.Threading;
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using System.Threading.Tasks;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.Plugins;
using MediaBrowser.Controller.Session;
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using MediaBrowser.Model.LiveTv;
using MediaBrowser.Model.Tasks;
using MediaBrowser.Model.Threading;
using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.EntryPoints
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{
public class AutomaticRestartEntryPoint : IServerEntryPoint
{
private readonly IServerApplicationHost _appHost;
private readonly ILogger _logger;
private readonly ITaskManager _iTaskManager;
private readonly ISessionManager _sessionManager;
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private readonly IServerConfigurationManager _config;
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private readonly ILiveTvManager _liveTvManager;
private readonly ITimerFactory _timerFactory;
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private ITimer _timer;
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public AutomaticRestartEntryPoint(IServerApplicationHost appHost, ILogger logger, ITaskManager iTaskManager, ISessionManager sessionManager, IServerConfigurationManager config, ILiveTvManager liveTvManager, ITimerFactory timerFactory)
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{
_appHost = appHost;
_logger = logger;
_iTaskManager = iTaskManager;
_sessionManager = sessionManager;
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_config = config;
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_liveTvManager = liveTvManager;
_timerFactory = timerFactory;
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}
public void Run()
{
if (_appHost.CanSelfRestart)
{
_appHost.HasPendingRestartChanged += _appHost_HasPendingRestartChanged;
}
}
void _appHost_HasPendingRestartChanged(object sender, EventArgs e)
{
DisposeTimer();
if (_appHost.HasPendingRestart)
{
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_timer = _timerFactory.Create(TimerCallback, null, TimeSpan.FromMinutes(15), TimeSpan.FromMinutes(15));
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}
}
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private async void TimerCallback(object state)
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{
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if (_config.Configuration.EnableAutomaticRestart)
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{
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var isIdle = await IsIdle().ConfigureAwait(false);
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if (isIdle)
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{
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DisposeTimer();
_logger.LogInformation("Automatically restarting the system because it is idle and a restart is required.");
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try
{
_appHost.Restart();
}
catch (Exception ex)
{
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_logger.LogError(ex, "Error restarting server");
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}
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}
}
}
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private async Task<bool> IsIdle()
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{
if (_iTaskManager.ScheduledTasks.Any(i => i.State != TaskState.Idle))
{
return false;
}
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if (_liveTvManager.Services.Count == 1)
{
try
{
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var timers = await _liveTvManager.GetTimers(new TimerQuery(), CancellationToken.None).ConfigureAwait(false);
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if (timers.Items.Any(i => i.Status == RecordingStatus.InProgress))
{
return false;
}
}
catch (Exception ex)
{
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_logger.LogError(ex, "Error getting timers");
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}
}
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var now = DateTime.UtcNow;
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return !_sessionManager.Sessions.Any(i => (now - i.LastActivityDate).TotalMinutes < 30);
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}
public void Dispose()
{
_appHost.HasPendingRestartChanged -= _appHost_HasPendingRestartChanged;
DisposeTimer();
}
private void DisposeTimer()
{
if (_timer != null)
{
_timer.Dispose();
_timer = null;
}
}
}
}