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

107 lines
3.4 KiB
C#

using Ryujinx.HLE.HOS.Ipc;
using System;
using System.Collections.Generic;
namespace Ryujinx.HLE.HOS.Services.Time
{
class ISystemClock : IpcService
{
private Dictionary<int, ServiceProcessRequest> m_Commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
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)
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 0, GetCurrentTime },
{ 1, SetCurrentTime },
{ 2, GetSystemClockContext },
{ 3, SetSystemClockContext }
};
this.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;
}
public long GetCurrentTime(ServiceCtx Context)
{
DateTime CurrentTime = DateTime.Now;
if (ClockType == SystemClockType.User ||
ClockType == SystemClockType.Network)
{
CurrentTime = CurrentTime.ToUniversalTime();
}
Context.ResponseData.Write((long)((CurrentTime - Epoch).TotalSeconds) + TimeOffset);
return 0;
}
public long 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 0;
}
public long 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 0;
}
public long 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 0;
}
}
}