Ryujinx/Ryujinx.HLE/HOS/Services/Time/ISystemClock.cs

97 lines
3.4 KiB
C#
Raw Normal View History

using System;
namespace Ryujinx.HLE.HOS.Services.Time
{
class ISystemClock : IpcService
{
private static readonly DateTime Epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
private SystemClockType _clockType;
private DateTime _systemClockContextEpoch;
private long _systemClockTimePoint;
private byte[] _systemClockContextEnding;
private long _timeOffset;
public ISystemClock(SystemClockType clockType)
{
_clockType = clockType;
_systemClockContextEpoch = System.Diagnostics.Process.GetCurrentProcess().StartTime;
_systemClockContextEnding = new byte[0x10];
_timeOffset = 0;
if (clockType == SystemClockType.User ||
clockType == SystemClockType.Network)
{
_systemClockContextEpoch = _systemClockContextEpoch.ToUniversalTime();
}
_systemClockTimePoint = (long)(_systemClockContextEpoch - Epoch).TotalSeconds;
}
[Command(0)]
// GetCurrentTime() -> nn::time::PosixTime
public ResultCode GetCurrentTime(ServiceCtx context)
{
DateTime currentTime = DateTime.Now;
2018-02-14 06:43:21 +01:00
if (_clockType == SystemClockType.User ||
_clockType == SystemClockType.Network)
2018-02-14 06:43:21 +01:00
{
currentTime = currentTime.ToUniversalTime();
2018-02-14 06:43:21 +01:00
}
context.ResponseData.Write((long)((currentTime - Epoch).TotalSeconds) + _timeOffset);
return ResultCode.Success;
}
[Command(1)]
// SetCurrentTime(nn::time::PosixTime)
public ResultCode SetCurrentTime(ServiceCtx context)
{
DateTime currentTime = DateTime.Now;
if (_clockType == SystemClockType.User ||
_clockType == SystemClockType.Network)
{
currentTime = currentTime.ToUniversalTime();
}
_timeOffset = (context.RequestData.ReadInt64() - (long)(currentTime - Epoch).TotalSeconds);
return ResultCode.Success;
}
[Command(2)]
// GetSystemClockContext() -> nn::time::SystemClockContext
public ResultCode GetSystemClockContext(ServiceCtx context)
{
context.ResponseData.Write((long)(_systemClockContextEpoch - Epoch).TotalSeconds);
// The point in time, TODO: is there a link between epoch and this?
context.ResponseData.Write(_systemClockTimePoint);
// This seems to be some kind of identifier?
for (int i = 0; i < 0x10; i++)
{
context.ResponseData.Write(_systemClockContextEnding[i]);
}
return ResultCode.Success;
}
[Command(3)]
// SetSystemClockContext(nn::time::SystemClockContext)
public ResultCode SetSystemClockContext(ServiceCtx context)
{
long newSystemClockEpoch = context.RequestData.ReadInt64();
long newSystemClockTimePoint = context.RequestData.ReadInt64();
_systemClockContextEpoch = Epoch.Add(TimeSpan.FromSeconds(newSystemClockEpoch));
_systemClockTimePoint = newSystemClockTimePoint;
_systemClockContextEnding = context.RequestData.ReadBytes(0x10);
return ResultCode.Success;
}
}
}