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

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C#
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using ChocolArm64.Memory;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Services.Time.TimeZone;
using System;
using System.Text;
using static Ryujinx.HLE.HOS.ErrorCode;
namespace Ryujinx.HLE.HOS.Services.Time
{
class ITimeZoneService : IpcService
{
public ITimeZoneService() { }
[Command(0)]
// GetDeviceLocationName() -> nn::time::LocationName
public long GetDeviceLocationName(ServiceCtx context)
{
char[] tzName = TimeZoneManager.Instance.GetDeviceLocationName().ToCharArray();
int padding = 0x24 - tzName.Length;
if (padding < 0)
{
return MakeError(ErrorModule.Time, TimeError.LocationNameTooLong);
}
context.ResponseData.Write(tzName);
for (int index = 0; index < padding; index++)
{
context.ResponseData.Write((byte)0);
}
return 0;
}
[Command(1)]
// SetDeviceLocationName(nn::time::LocationName)
public long SetDeviceLocationName(ServiceCtx context)
{
string locationName = Encoding.ASCII.GetString(context.RequestData.ReadBytes(0x24)).TrimEnd('\0');
return TimeZoneManager.Instance.SetDeviceLocationName(locationName);
}
[Command(2)]
// GetTotalLocationNameCount() -> u32
public long GetTotalLocationNameCount(ServiceCtx context)
{
context.ResponseData.Write(TimeZoneManager.Instance.GetTotalLocationNameCount());
return 0;
}
[Command(3)]
// LoadLocationNameList(u32 index) -> (u32 outCount, buffer<nn::time::LocationName, 6>)
public long LoadLocationNameList(ServiceCtx context)
{
// TODO: fix logic to use index
uint index = context.RequestData.ReadUInt32();
long bufferPosition = context.Request.ReceiveBuff[0].Position;
long bufferSize = context.Request.ReceiveBuff[0].Size;
uint errorCode = TimeZoneManager.Instance.LoadLocationNameList(index, out string[] locationNameArray, (uint)bufferSize / 0x24);
if (errorCode == 0)
{
uint offset = 0;
foreach (string locationName in locationNameArray)
{
int padding = 0x24 - locationName.Length;
if (padding < 0)
{
return MakeError(ErrorModule.Time, TimeError.LocationNameTooLong);
}
context.Memory.WriteBytes(bufferPosition + offset, Encoding.ASCII.GetBytes(locationName));
MemoryHelper.FillWithZeros(context.Memory, bufferPosition + offset + locationName.Length, padding);
offset += 0x24;
}
context.ResponseData.Write((uint)locationNameArray.Length);
}
return errorCode;
}
[Command(4)]
// LoadTimeZoneRule(nn::time::LocationName locationName) -> buffer<nn::time::TimeZoneRule, 0x16>
public long LoadTimeZoneRule(ServiceCtx context)
{
long bufferPosition = context.Request.ReceiveBuff[0].Position;
long bufferSize = context.Request.ReceiveBuff[0].Size;
if (bufferSize != 0x4000)
{
// TODO: find error code here
Logger.PrintError(LogClass.ServiceTime, $"TimeZoneRule buffer size is 0x{bufferSize:x} (expected 0x4000)");
throw new InvalidOperationException();
}
string locationName = Encoding.ASCII.GetString(context.RequestData.ReadBytes(0x24)).TrimEnd('\0');
long resultCode = TimeZoneManager.Instance.LoadTimeZoneRules(out TimeZoneRule rules, locationName);
// Write TimeZoneRule if success
if (resultCode == 0)
{
MemoryHelper.Write(context.Memory, bufferPosition, rules);
}
return resultCode;
}
[Command(100)]
// ToCalendarTime(nn::time::PosixTime time, buffer<nn::time::TimeZoneRule, 0x15> rules) -> (nn::time::CalendarTime, nn::time::sf::CalendarAdditionalInfo)
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)
{
// TODO: find error code here
Logger.PrintError(LogClass.ServiceTime, $"TimeZoneRule buffer size is 0x{bufferSize:x} (expected 0x4000)");
throw new InvalidOperationException();
}
TimeZoneRule rules = MemoryHelper.Read<TimeZoneRule>(context.Memory, bufferPosition);
long resultCode = TimeZoneManager.ToCalendarTime(rules, posixTime, out CalendarInfo calendar);
if (resultCode == 0)
{
context.ResponseData.WriteStruct(calendar);
}
return resultCode;
}
[Command(101)]
// ToCalendarTimeWithMyRule(nn::time::PosixTime) -> (nn::time::CalendarTime, nn::time::sf::CalendarAdditionalInfo)
public long ToCalendarTimeWithMyRule(ServiceCtx context)
{
long posixTime = context.RequestData.ReadInt64();
long resultCode = TimeZoneManager.Instance.ToCalendarTimeWithMyRules(posixTime, out CalendarInfo calendar);
if (resultCode == 0)
{
context.ResponseData.WriteStruct(calendar);
}
return resultCode;
}
[Command(201)]
// ToPosixTime(nn::time::CalendarTime calendarTime, buffer<nn::time::TimeZoneRule, 0x15> rules) -> (u32 outCount, buffer<nn::time::PosixTime, 0xa>)
public long ToPosixTime(ServiceCtx context)
{
long inBufferPosition = context.Request.SendBuff[0].Position;
long inBufferSize = context.Request.SendBuff[0].Size;
CalendarTime calendarTime = context.RequestData.ReadStruct<CalendarTime>();
if (inBufferSize != 0x4000)
{
// TODO: find error code here
Logger.PrintError(LogClass.ServiceTime, $"TimeZoneRule buffer size is 0x{inBufferSize:x} (expected 0x4000)");
throw new InvalidOperationException();
}
TimeZoneRule rules = MemoryHelper.Read<TimeZoneRule>(context.Memory, inBufferPosition);
long resultCode = TimeZoneManager.ToPosixTime(rules, calendarTime, out long posixTime);
if (resultCode == 0)
{
long outBufferPosition = context.Request.RecvListBuff[0].Position;
long outBufferSize = context.Request.RecvListBuff[0].Size;
context.Memory.WriteInt64(outBufferPosition, posixTime);
context.ResponseData.Write(1);
}
return resultCode;
}
[Command(202)]
// ToPosixTimeWithMyRule(nn::time::CalendarTime calendarTime) -> (u32 outCount, buffer<nn::time::PosixTime, 0xa>)
public long ToPosixTimeWithMyRule(ServiceCtx context)
{
CalendarTime calendarTime = context.RequestData.ReadStruct<CalendarTime>();
long resultCode = TimeZoneManager.Instance.ToPosixTimeWithMyRules(calendarTime, out long posixTime);
if (resultCode == 0)
{
long outBufferPosition = context.Request.RecvListBuff[0].Position;
long outBufferSize = context.Request.RecvListBuff[0].Size;
context.Memory.WriteInt64(outBufferPosition, posixTime);
// There could be only one result on one calendar as leap seconds aren't supported.
context.ResponseData.Write(1);
}
return resultCode;
}
}
}