jellyfin-server/MediaBrowser.Server.Implementations/EntryPoints/AutomaticRestartEntryPoint.cs
2014-01-11 15:13:18 -05:00

98 lines
2.6 KiB
C#

using MediaBrowser.Common.ScheduledTasks;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Plugins;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Tasks;
using System;
using System.Linq;
using System.Threading;
namespace MediaBrowser.Server.Implementations.EntryPoints
{
public class AutomaticRestartEntryPoint : IServerEntryPoint
{
private readonly IServerApplicationHost _appHost;
private readonly ILogger _logger;
private readonly ITaskManager _iTaskManager;
private readonly ISessionManager _sessionManager;
private Timer _timer;
public AutomaticRestartEntryPoint(IServerApplicationHost appHost, ILogger logger, ITaskManager iTaskManager, ISessionManager sessionManager)
{
_appHost = appHost;
_logger = logger;
_iTaskManager = iTaskManager;
_sessionManager = sessionManager;
}
public void Run()
{
if (_appHost.CanSelfRestart)
{
_appHost.HasPendingRestartChanged += _appHost_HasPendingRestartChanged;
}
}
void _appHost_HasPendingRestartChanged(object sender, EventArgs e)
{
DisposeTimer();
if (_appHost.HasPendingRestart)
{
_timer = new Timer(TimerCallback, null, TimeSpan.FromMinutes(5), TimeSpan.FromMinutes(5));
}
}
private void TimerCallback(object state)
{
if (IsIdle())
{
DisposeTimer();
try
{
_appHost.Restart();
}
catch (Exception ex)
{
_logger.ErrorException("Error restarting server", ex);
}
}
}
private bool IsIdle()
{
if (_iTaskManager.ScheduledTasks.Any(i => i.State != TaskState.Idle))
{
return false;
}
var now = DateTime.UtcNow;
if (_sessionManager.Sessions.Any(i => !string.IsNullOrEmpty(i.NowViewingItemName) || (now - i.LastActivityDate).TotalMinutes < 30))
{
return false;
}
return true;
}
public void Dispose()
{
_appHost.HasPendingRestartChanged -= _appHost_HasPendingRestartChanged;
DisposeTimer();
}
private void DisposeTimer()
{
if (_timer != null)
{
_timer.Dispose();
_timer = null;
}
}
}
}