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using Ryujinx.HLE.Logging;
using Ryujinx.HLE.OsHle.Ipc;
using System;
using System.Collections.Generic;
using System.Text;
namespace Ryujinx.HLE.OsHle.Services.Time
{
class ITimeZoneService : 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 TimeZoneInfo TimeZone = TimeZoneInfo.Local;
public ITimeZoneService()
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 0, GetDeviceLocationName },
{ 1, SetDeviceLocationName },
{ 2, GetTotalLocationNameCount },
{ 3, LoadLocationNameList },
{ 4, LoadTimeZoneRule },
{ 100, ToCalendarTime },
{ 101, ToCalendarTimeWithMyRule }
};
}
public long GetDeviceLocationName(ServiceCtx Context)
{
char[] TzName = TimeZone.Id.ToCharArray();
Context.ResponseData.Write(TzName);
int Padding = 0x24 - TzName.Length;
for (int Index = 0; Index < Padding; Index++)
{
Context.ResponseData.Write((byte)0);
}
return 0;
}
public long SetDeviceLocationName(ServiceCtx Context)
{
byte[] LocationName = Context.RequestData.ReadBytes(0x24);
string TzID = Encoding.ASCII.GetString(LocationName).TrimEnd('\0');
long ResultCode = 0;
try
{
TimeZone = TimeZoneInfo.FindSystemTimeZoneById(TzID);
}
catch (TimeZoneNotFoundException e)
{
ResultCode = 0x7BA74;
}
return ResultCode;
}
public long GetTotalLocationNameCount(ServiceCtx Context)
{
Context.ResponseData.Write(TimeZoneInfo.GetSystemTimeZones().Count);
return 0;
}
public long LoadLocationNameList(ServiceCtx Context)
{
long BufferPosition = Context.Response.SendBuff[0].Position;
long BufferSize = Context.Response.SendBuff[0].Size;
int i = 0;
foreach (TimeZoneInfo info in TimeZoneInfo.GetSystemTimeZones())
{
byte[] TzData = Encoding.ASCII.GetBytes(info.Id);
Context.Memory.WriteBytes(BufferPosition + i, TzData);
int Padding = 0x24 - TzData.Length;
for (int Index = 0; Index < Padding; Index++)
{
Context.ResponseData.Write((byte)0);
}
i += 0x24;
}
return 0;
}
public long LoadTimeZoneRule(ServiceCtx Context)
{
long BufferPosition = Context.Request.ReceiveBuff[0].Position;
long BufferSize = Context.Request.ReceiveBuff[0].Size;
if (BufferSize != 0x4000)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceTime, $"TimeZoneRule buffer size is 0x{BufferSize:x} (expected 0x4000)");
}
long ResultCode = 0;
byte[] LocationName = Context.RequestData.ReadBytes(0x24);
string TzID = Encoding.ASCII.GetString(LocationName).TrimEnd('\0');
// Check if the Time Zone exists, otherwise error out.
try
{
TimeZoneInfo Info = TimeZoneInfo.FindSystemTimeZoneById(TzID);
byte[] TzData = Encoding.ASCII.GetBytes(Info.Id);
// FIXME: This is not in ANY cases accurate, but the games don't about the content of the buffer, they only pass it.
// TODO: Reverse the TZif2 conversion in PCV to make this match with real hardware.
Context.Memory.WriteBytes(BufferPosition, TzData);
}
catch (TimeZoneNotFoundException e)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceTime, $"Timezone not found for string: {TzID} (len: {TzID.Length})");
ResultCode = 0x7BA74;
}
return ResultCode;
}
private long ToCalendarTimeWithTz(ServiceCtx Context, long PosixTime, TimeZoneInfo Info)
{
DateTime CurrentTime = Epoch.AddSeconds(PosixTime);
CurrentTime = TimeZoneInfo.ConvertTimeFromUtc(CurrentTime, Info);
Context.ResponseData.Write((ushort)CurrentTime.Year);
Context.ResponseData.Write((byte)CurrentTime.Month);
Context.ResponseData.Write((byte)CurrentTime.Day);
Context.ResponseData.Write((byte)CurrentTime.Hour);
Context.ResponseData.Write((byte)CurrentTime.Minute);
Context.ResponseData.Write((byte)CurrentTime.Second);
Context.ResponseData.Write((byte)0); //MilliSecond ?
Context.ResponseData.Write((int)CurrentTime.DayOfWeek);
Context.ResponseData.Write(CurrentTime.DayOfYear - 1);
Context.ResponseData.Write(new byte[8]); //TODO: Find out the names used.
Context.ResponseData.Write((byte)(CurrentTime.IsDaylightSavingTime() ? 1 : 0));
Context.ResponseData.Write((int)Info.GetUtcOffset(CurrentTime).TotalSeconds);
return 0;
}
public long ToCalendarTime(ServiceCtx Context)
{
long PosixTime = Context.RequestData.ReadInt64();
long BufferPosition = Context.Request.SendBuff[0].Position;
long BufferSize = Context.Request.SendBuff[0].Size;
if (BufferSize != 0x4000)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceTime, $"TimeZoneRule buffer size is 0x{BufferSize:x} (expected 0x4000)");
}
// TODO: Reverse the TZif2 conversion in PCV to make this match with real hardware.
byte[] TzData = Context.Memory.ReadBytes(BufferPosition, 0x24);
string TzID = Encoding.ASCII.GetString(TzData).TrimEnd('\0');
long ResultCode = 0;
// Check if the Time Zone exists, otherwise error out.
try
{
TimeZoneInfo Info = TimeZoneInfo.FindSystemTimeZoneById(TzID);
ResultCode = ToCalendarTimeWithTz(Context, PosixTime, Info);
}
catch (TimeZoneNotFoundException e)
{
Context.Ns.Log.PrintWarning(LogClass.ServiceTime, $"Timezone not found for string: {TzID} (len: {TzID.Length})");
ResultCode = 0x7BA74;
}
return ResultCode;
}
public long ToCalendarTimeWithMyRule(ServiceCtx Context)
{
long PosixTime = Context.RequestData.ReadInt64();
return ToCalendarTimeWithTz(Context, PosixTime, TimeZone);
}
}
}
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