jellyfin/MediaBrowser.Server.Startup.Common/EntryPoints/KeepServerAwake.cs

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using MediaBrowser.Controller;
using MediaBrowser.Controller.Plugins;
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using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Logging;
using System;
using System.Linq;
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using MediaBrowser.Common.Threading;
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namespace MediaBrowser.Server.Startup.Common.EntryPoints
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{
public class KeepServerAwake : IServerEntryPoint
{
private readonly ISessionManager _sessionManager;
private readonly ILogger _logger;
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private PeriodicTimer _timer;
private readonly IServerApplicationHost _appHost;
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public KeepServerAwake(ISessionManager sessionManager, ILogger logger, IServerApplicationHost appHost)
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{
_sessionManager = sessionManager;
_logger = logger;
_appHost = appHost;
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}
public void Run()
{
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_timer = new PeriodicTimer(obj =>
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{
var now = DateTime.UtcNow;
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if (_sessionManager.Sessions.Any(i => (now - i.LastActivityDate).TotalMinutes < 15))
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{
KeepAlive();
}
}, null, TimeSpan.FromMinutes(5), TimeSpan.FromMinutes(5));
}
private void KeepAlive()
{
var nativeApp = ((ApplicationHost)_appHost).NativeApp;
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try
{
nativeApp.PreventSystemStandby();
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}
catch (Exception ex)
{
_logger.ErrorException("Error resetting system standby timer", ex);
}
}
public void Dispose()
{
if (_timer != null)
{
_timer.Dispose();
_timer = null;
}
}
}
}