54b79dffa8
* Abstract SteadyClockCore to follow Nintendo changes in 4.x This is the ground work for 4.0.0 support * Implement TickBasedSteadyClockCore Preparation for the ephemeral clock. * Refactor SystemClockCore to follow 4.0.0 changes * Implement EphemeralNetworkSystemClock * Implement GetSnapshotClock & GetSnapshotClockFromSystemClockContext * Implement CalculateStandardUserSystemClockDifferenceByUser & CalculateSpanBetween * Remove an outdated comment & unused import * Fix a nit and GetClockSnapshot * Address comment
332 lines
14 KiB
C#
332 lines
14 KiB
C#
using Ryujinx.Common;
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using Ryujinx.HLE.HOS.Ipc;
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using Ryujinx.HLE.HOS.Kernel.Common;
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using Ryujinx.HLE.HOS.Kernel.Threading;
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using Ryujinx.HLE.HOS.Services.Time.Clock;
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using Ryujinx.HLE.HOS.Services.Time.TimeZone;
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Runtime.InteropServices;
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namespace Ryujinx.HLE.HOS.Services.Time
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{
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[Service("time:a", TimePermissions.Applet)]
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[Service("time:s", TimePermissions.System)]
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[Service("time:u", TimePermissions.User)]
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class IStaticService : IpcService
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{
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private TimePermissions _permissions;
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private int _timeSharedMemoryNativeHandle = 0;
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private static readonly DateTime StartupDate = DateTime.UtcNow;
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public IStaticService(ServiceCtx context, TimePermissions permissions)
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{
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_permissions = permissions;
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}
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[Command(0)]
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// GetStandardUserSystemClock() -> object<nn::timesrv::detail::service::ISystemClock>
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public ResultCode GetStandardUserSystemClock(ServiceCtx context)
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{
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MakeObject(context, new ISystemClock(StandardUserSystemClockCore.Instance, (_permissions & TimePermissions.UserSystemClockWritableMask) != 0));
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return ResultCode.Success;
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}
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[Command(1)]
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// GetStandardNetworkSystemClock() -> object<nn::timesrv::detail::service::ISystemClock>
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public ResultCode GetStandardNetworkSystemClock(ServiceCtx context)
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{
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MakeObject(context, new ISystemClock(StandardNetworkSystemClockCore.Instance, (_permissions & TimePermissions.NetworkSystemClockWritableMask) != 0));
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return ResultCode.Success;
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}
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[Command(2)]
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// GetStandardSteadyClock() -> object<nn::timesrv::detail::service::ISteadyClock>
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public ResultCode GetStandardSteadyClock(ServiceCtx context)
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{
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MakeObject(context, new ISteadyClock());
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return ResultCode.Success;
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}
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[Command(3)]
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// GetTimeZoneService() -> object<nn::timesrv::detail::service::ITimeZoneService>
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public ResultCode GetTimeZoneService(ServiceCtx context)
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{
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MakeObject(context, new ITimeZoneService());
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return ResultCode.Success;
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}
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[Command(4)]
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// GetStandardLocalSystemClock() -> object<nn::timesrv::detail::service::ISystemClock>
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public ResultCode GetStandardLocalSystemClock(ServiceCtx context)
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{
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MakeObject(context, new ISystemClock(StandardLocalSystemClockCore.Instance, (_permissions & TimePermissions.LocalSystemClockWritableMask) != 0));
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return ResultCode.Success;
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}
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[Command(5)] // 4.0.0+
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// GetEphemeralNetworkSystemClock() -> object<nn::timesrv::detail::service::ISystemClock>
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public ResultCode GetEphemeralNetworkSystemClock(ServiceCtx context)
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{
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MakeObject(context, new ISystemClock(StandardNetworkSystemClockCore.Instance, false));
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return ResultCode.Success;
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}
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[Command(20)] // 6.0.0+
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// GetSharedMemoryNativeHandle() -> handle<copy>
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public ResultCode GetSharedMemoryNativeHandle(ServiceCtx context)
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{
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if (_timeSharedMemoryNativeHandle == 0)
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{
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if (context.Process.HandleTable.GenerateHandle(context.Device.System.TimeSharedMem, out _timeSharedMemoryNativeHandle) != KernelResult.Success)
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{
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throw new InvalidOperationException("Out of handles!");
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}
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}
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context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_timeSharedMemoryNativeHandle);
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return ResultCode.Success;
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}
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[Command(100)]
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// IsStandardUserSystemClockAutomaticCorrectionEnabled() -> bool
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public ResultCode IsStandardUserSystemClockAutomaticCorrectionEnabled(ServiceCtx context)
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{
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context.ResponseData.Write(StandardUserSystemClockCore.Instance.IsAutomaticCorrectionEnabled());
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return ResultCode.Success;
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}
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[Command(101)]
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// SetStandardUserSystemClockAutomaticCorrectionEnabled(b8)
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public ResultCode SetStandardUserSystemClockAutomaticCorrectionEnabled(ServiceCtx context)
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{
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if ((_permissions & TimePermissions.UserSystemClockWritableMask) == 0)
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{
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return ResultCode.PermissionDenied;
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}
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bool autoCorrectionEnabled = context.RequestData.ReadBoolean();
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return StandardUserSystemClockCore.Instance.SetAutomaticCorrectionEnabled(context.Thread, autoCorrectionEnabled);
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}
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[Command(200)] // 3.0.0+
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// IsStandardNetworkSystemClockAccuracySufficient() -> bool
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public ResultCode IsStandardNetworkSystemClockAccuracySufficient(ServiceCtx context)
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{
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context.ResponseData.Write(StandardNetworkSystemClockCore.Instance.IsStandardNetworkSystemClockAccuracySufficient(context.Thread));
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return ResultCode.Success;
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}
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[Command(300)] // 4.0.0+
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// CalculateMonotonicSystemClockBaseTimePoint(nn::time::SystemClockContext) -> s64
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public ResultCode CalculateMonotonicSystemClockBaseTimePoint(ServiceCtx context)
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{
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SystemClockContext otherContext = context.RequestData.ReadStruct<SystemClockContext>();
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SteadyClockTimePoint currentTimePoint = StandardSteadyClockCore.Instance.GetCurrentTimePoint(context.Thread);
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ResultCode result = ResultCode.TimeMismatch;
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if (currentTimePoint.ClockSourceId == otherContext.SteadyTimePoint.ClockSourceId)
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{
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TimeSpanType ticksTimeSpan = TimeSpanType.FromTicks(context.Thread.Context.ThreadState.CntpctEl0, context.Thread.Context.ThreadState.CntfrqEl0);
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long baseTimePoint = otherContext.Offset + currentTimePoint.TimePoint - ticksTimeSpan.ToSeconds();
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context.ResponseData.Write(baseTimePoint);
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result = 0;
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}
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return result;
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}
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[Command(400)] // 4.0.0+
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// GetClockSnapshot(u8) -> buffer<nn::time::sf::ClockSnapshot, 0x1a>
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public ResultCode GetClockSnapshot(ServiceCtx context)
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{
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byte type = context.RequestData.ReadByte();
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ResultCode result = StandardUserSystemClockCore.Instance.GetSystemClockContext(context.Thread, out SystemClockContext userContext);
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if (result == ResultCode.Success)
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{
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result = StandardNetworkSystemClockCore.Instance.GetSystemClockContext(context.Thread, out SystemClockContext networkContext);
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if (result == ResultCode.Success)
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{
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result = GetClockSnapshotFromSystemClockContextInternal(context.Thread, userContext, networkContext, type, out ClockSnapshot clockSnapshot);
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if (result == ResultCode.Success)
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{
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WriteClockSnapshotFromBuffer(context, context.Request.RecvListBuff[0], clockSnapshot);
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}
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}
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}
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return result;
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}
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[Command(401)] // 4.0.0+
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// GetClockSnapshotFromSystemClockContext(u8, nn::time::SystemClockContext, nn::time::SystemClockContext) -> buffer<nn::time::sf::ClockSnapshot, 0x1a>
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public ResultCode GetClockSnapshotFromSystemClockContext(ServiceCtx context)
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{
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byte type = context.RequestData.ReadByte();
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context.RequestData.BaseStream.Position += 7;
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SystemClockContext userContext = context.RequestData.ReadStruct<SystemClockContext>();
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SystemClockContext networkContext = context.RequestData.ReadStruct<SystemClockContext>();
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ResultCode result = GetClockSnapshotFromSystemClockContextInternal(context.Thread, userContext, networkContext, type, out ClockSnapshot clockSnapshot);
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if (result == ResultCode.Success)
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{
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WriteClockSnapshotFromBuffer(context, context.Request.RecvListBuff[0], clockSnapshot);
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}
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return result;
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}
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[Command(500)] // 4.0.0+
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// CalculateStandardUserSystemClockDifferenceByUser(buffer<nn::time::sf::ClockSnapshot, 0x19>, buffer<nn::time::sf::ClockSnapshot, 0x19>) -> nn::TimeSpanType
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public ResultCode CalculateStandardUserSystemClockDifferenceByUser(ServiceCtx context)
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{
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ClockSnapshot clockSnapshotA = ReadClockSnapshotFromBuffer(context, context.Request.ExchangeBuff[0]);
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ClockSnapshot clockSnapshotB = ReadClockSnapshotFromBuffer(context, context.Request.ExchangeBuff[1]);
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TimeSpanType difference = TimeSpanType.FromSeconds(clockSnapshotB.UserContext.Offset - clockSnapshotA.UserContext.Offset);
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if (clockSnapshotB.UserContext.SteadyTimePoint.ClockSourceId != clockSnapshotA.UserContext.SteadyTimePoint.ClockSourceId || (clockSnapshotB.IsAutomaticCorrectionEnabled && clockSnapshotA.IsAutomaticCorrectionEnabled))
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{
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difference = new TimeSpanType(0);
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}
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context.ResponseData.Write(difference.NanoSeconds);
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return ResultCode.Success;
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}
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[Command(501)] // 4.0.0+
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// CalculateSpanBetween(buffer<nn::time::sf::ClockSnapshot, 0x19>, buffer<nn::time::sf::ClockSnapshot, 0x19>) -> nn::TimeSpanType
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public ResultCode CalculateSpanBetween(ServiceCtx context)
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{
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ClockSnapshot clockSnapshotA = ReadClockSnapshotFromBuffer(context, context.Request.ExchangeBuff[0]);
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ClockSnapshot clockSnapshotB = ReadClockSnapshotFromBuffer(context, context.Request.ExchangeBuff[1]);
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TimeSpanType result;
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ResultCode resultCode = clockSnapshotA.SteadyClockTimePoint.GetSpanBetween(clockSnapshotB.SteadyClockTimePoint, out long timeSpan);
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if (resultCode != ResultCode.Success)
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{
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resultCode = ResultCode.TimeNotFound;
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if (clockSnapshotA.NetworkTime != 0 && clockSnapshotB.NetworkTime != 0)
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{
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result = TimeSpanType.FromSeconds(clockSnapshotB.NetworkTime - clockSnapshotA.NetworkTime);
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resultCode = ResultCode.Success;
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}
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else
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{
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return resultCode;
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}
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}
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else
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{
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result = TimeSpanType.FromSeconds(timeSpan);
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}
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context.ResponseData.Write(result.NanoSeconds);
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return resultCode;
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}
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private ResultCode GetClockSnapshotFromSystemClockContextInternal(KThread thread, SystemClockContext userContext, SystemClockContext networkContext, byte type, out ClockSnapshot clockSnapshot)
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{
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clockSnapshot = new ClockSnapshot();
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SteadyClockCore steadyClockCore = StandardSteadyClockCore.Instance;
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SteadyClockTimePoint currentTimePoint = steadyClockCore.GetCurrentTimePoint(thread);
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clockSnapshot.IsAutomaticCorrectionEnabled = StandardUserSystemClockCore.Instance.IsAutomaticCorrectionEnabled();
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clockSnapshot.UserContext = userContext;
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clockSnapshot.NetworkContext = networkContext;
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char[] tzName = TimeZoneManager.Instance.GetDeviceLocationName().ToCharArray();
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char[] locationName = new char[0x24];
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Array.Copy(tzName, locationName, tzName.Length);
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clockSnapshot.LocationName = locationName;
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ResultCode result = ClockSnapshot.GetCurrentTime(out clockSnapshot.UserTime, currentTimePoint, clockSnapshot.UserContext);
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if (result == ResultCode.Success)
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{
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result = TimeZoneManager.Instance.ToCalendarTimeWithMyRules(clockSnapshot.UserTime, out CalendarInfo userCalendarInfo);
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if (result == ResultCode.Success)
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{
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clockSnapshot.UserCalendarTime = userCalendarInfo.Time;
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clockSnapshot.UserCalendarAdditionalTime = userCalendarInfo.AdditionalInfo;
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if (ClockSnapshot.GetCurrentTime(out clockSnapshot.NetworkTime, currentTimePoint, clockSnapshot.NetworkContext) != ResultCode.Success)
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{
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clockSnapshot.NetworkTime = 0;
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}
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result = TimeZoneManager.Instance.ToCalendarTimeWithMyRules(clockSnapshot.NetworkTime, out CalendarInfo networkCalendarInfo);
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if (result == ResultCode.Success)
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{
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clockSnapshot.NetworkCalendarTime = networkCalendarInfo.Time;
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clockSnapshot.NetworkCalendarAdditionalTime = networkCalendarInfo.AdditionalInfo;
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clockSnapshot.Type = type;
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// Probably a version field?
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clockSnapshot.Unknown = 0;
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}
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}
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}
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return result;
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}
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private ClockSnapshot ReadClockSnapshotFromBuffer(ServiceCtx context, IpcBuffDesc ipcDesc)
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{
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Debug.Assert(ipcDesc.Size == Marshal.SizeOf<ClockSnapshot>());
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using (BinaryReader bufferReader = new BinaryReader(new MemoryStream(context.Memory.ReadBytes(ipcDesc.Position, ipcDesc.Size))))
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{
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return bufferReader.ReadStruct<ClockSnapshot>();
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}
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}
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private void WriteClockSnapshotFromBuffer(ServiceCtx context, IpcRecvListBuffDesc ipcDesc, ClockSnapshot clockSnapshot)
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{
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Debug.Assert(ipcDesc.Size == Marshal.SizeOf<ClockSnapshot>());
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MemoryStream memory = new MemoryStream((int)ipcDesc.Size);
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using (BinaryWriter bufferWriter = new BinaryWriter(memory))
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{
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bufferWriter.WriteStruct(clockSnapshot);
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}
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context.Memory.WriteBytes(ipcDesc.Position, memory.ToArray());
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memory.Dispose();
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}
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}
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} |