jellyfin-server/MediaBrowser.ServerApplication/Native/WindowsPowerManagement.cs
2016-01-21 12:29:14 -05:00

41 lines
1.5 KiB
C#

using System;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.Threading;
using MediaBrowser.Controller.Power;
using Microsoft.Win32.SafeHandles;
namespace MediaBrowser.ServerApplication.Native
{
public class WindowsPowerManagement : IPowerManagement
{
[DllImport("kernel32.dll")]
public static extern SafeWaitHandle CreateWaitableTimer(IntPtr lpTimerAttributes, bool bManualReset, string lpTimerName);
[DllImport("kernel32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetWaitableTimer(SafeWaitHandle hTimer, [In] ref long pDueTime, int lPeriod, IntPtr pfnCompletionRoutine, IntPtr lpArgToCompletionRoutine, bool fResume);
public void ScheduleWake(DateTime utcTime)
{
long duetime = utcTime.ToFileTime();
using (SafeWaitHandle handle = CreateWaitableTimer(IntPtr.Zero, true, "MyWaitabletimer"))
{
if (SetWaitableTimer(handle, ref duetime, 0, IntPtr.Zero, IntPtr.Zero, true))
{
using (EventWaitHandle wh = new EventWaitHandle(false, EventResetMode.AutoReset))
{
wh.SafeWaitHandle = handle;
wh.WaitOne();
}
}
else
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
}
}
}