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using Ryujinx.Common.Memory;
using Ryujinx.Horizon.Common;
using Ryujinx.Horizon.Sdk.Sf.Cmif;
using System;
namespace Ryujinx.Horizon.Sdk.Sm
{
public class SmApi : IDisposable
{
private const string SmName = "sm:";
private int _portHandle;
public Result Initialize()
{
Result result = HorizonStatic.Syscall.ConnectToNamedPort(out int portHandle, SmName);
while (result == KernelResult.NotFound)
{
HorizonStatic.Syscall.SleepThread(50000000L);
result = HorizonStatic.Syscall.ConnectToNamedPort(out portHandle, SmName);
}
if (result.IsFailure)
{
return result;
}
_portHandle = portHandle;
return RegisterClient();
}
private Result RegisterClient()
{
Span<byte> data = stackalloc byte[8];
SpanWriter writer = new(data);
writer.Write(0UL);
return ServiceUtil.SendRequest(out _, _portHandle, 0, sendPid: true, data);
}
public Result GetServiceHandle(out int handle, ServiceName name)
{
Span<byte> data = stackalloc byte[8];
SpanWriter writer = new(data);
writer.Write(name);
Result result = ServiceUtil.SendRequest(out CmifResponse response, _portHandle, 1, sendPid: false, data);
if (result.IsFailure)
{
handle = 0;
return result;
}
handle = response.MoveHandles[0];
return Result.Success;
}
public Result RegisterService(out int handle, ServiceName name, int maxSessions, bool isLight)
{
Span<byte> data = stackalloc byte[16];
SpanWriter writer = new(data);
writer.Write(name);
writer.Write(isLight ? 1 : 0);
writer.Write(maxSessions);
Result result = ServiceUtil.SendRequest(out CmifResponse response, _portHandle, 2, sendPid: false, data);
if (result.IsFailure)
{
handle = 0;
return result;
}
handle = response.MoveHandles[0];
return Result.Success;
}
public Result UnregisterService(ServiceName name)
{
Span<byte> data = stackalloc byte[8];
SpanWriter writer = new(data);
writer.Write(name);
return ServiceUtil.SendRequest(out _, _portHandle, 3, sendPid: false, data);
}
public Result DetachClient()
{
Span<byte> data = stackalloc byte[8];
SpanWriter writer = new(data);
writer.Write(0UL);
return ServiceUtil.SendRequest(out _, _portHandle, 4, sendPid: true, data);
}
public void Dispose()
{
if (_portHandle != 0)
{
HorizonStatic.Syscall.CloseHandle(_portHandle);
_portHandle = 0;
}
GC.SuppressFinalize(this);
}
}
}
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