private ResultCode RegisterService(ServiceCtx context, string name, bool isLight, int maxSessions)
{
if (string.IsNullOrEmpty(name))
{
return(ResultCode.InvalidName);
}
Logger.Info?.Print(LogClass.ServiceSm, $"Register \"{name}\".");
KPort port = new KPort(context.Device.System.KernelContext, maxSessions, isLight, 0);
if (!_registeredServices.TryAdd(name, port))
{
return(ResultCode.AlreadyRegistered);
}
if (context.Process.HandleTable.GenerateHandle(port.ServerPort, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeMove(handle);
return(ResultCode.Success);
}
private KernelResult CreatePort(
int maxSessions,
bool isLight,
ulong namePtr,
out int serverPortHandle,
out int clientPortHandle)
{
serverPortHandle = clientPortHandle = 0;
if (maxSessions < 1)
{
return(KernelResult.MaximumExceeded);
}
KPort port = new KPort(_system, maxSessions, isLight, (long)namePtr);
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
KernelResult result = currentProcess.HandleTable.GenerateHandle(port.ClientPort, out clientPortHandle);
if (result != KernelResult.Success)
{
return(result);
}
result = currentProcess.HandleTable.GenerateHandle(port.ServerPort, out serverPortHandle);
if (result != KernelResult.Success)
{
currentProcess.HandleTable.CloseHandle(clientPortHandle);
}
return(result);
}
public static void InitializePort(Horizon system)
{
KPort port = new KPort(system.KernelContext, 256, false, 0);
port.ClientPort.SetName("sm:");
port.ClientPort.Service = new IUserInterface();
}
public bool TryRegister(string name, KPort port)
{
if (_registeredServices.TryAdd(name, port))
{
_serviceRegistrationEvent.Set();
return(true);
}
return(false);
}
private KernelResult ManageNamedPort(ulong namePtr, int maxSessions, out int handle)
{
handle = 0;
if (!KernelTransfer.UserToKernelString(_system, namePtr, 12, out string name))
{
return(KernelResult.UserCopyFailed);
}
if (maxSessions < 0 || name.Length > 11)
{
return(KernelResult.MaximumExceeded);
}
if (maxSessions == 0)
{
return(KClientPort.RemoveName(_system, name));
}
KPort port = new KPort(_system);
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
KernelResult result = currentProcess.HandleTable.GenerateHandle(port.ServerPort, out handle);
if (result != KernelResult.Success)
{
return(result);
}
port.Initialize(maxSessions, false, 0);
result = port.SetName(name);
if (result != KernelResult.Success)
{
currentProcess.HandleTable.CloseHandle(handle);
}
return(result);
}
// RegisterService(ServiceName name, u8, u32 maxHandles) -> handle<move, port>
public ResultCode RegisterService(ServiceCtx context)
{
if (!_isInitialized)
{
return(ResultCode.NotInitialized);
}
long namePosition = context.RequestData.BaseStream.Position;
string name = ReadName(context);
context.RequestData.BaseStream.Seek(namePosition + 8, SeekOrigin.Begin);
bool isLight = (context.RequestData.ReadInt32() & 1) != 0;
int maxSessions = context.RequestData.ReadInt32();
if (name == string.Empty)
{
return(ResultCode.InvalidName);
}
Logger.PrintInfo(LogClass.ServiceSm, $"Register \"{name}\".");
KPort port = new KPort(context.Device.System.KernelContext, maxSessions, isLight, 0);
if (!_registeredServices.TryAdd(name, port))
{
return(ResultCode.AlreadyRegistered);
}
if (context.Process.HandleTable.GenerateHandle(port.ServerPort, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeMove(handle);
return(ResultCode.Success);
}
public void Initialize(KPort parent, int maxSessions)
{
_maxSessions = maxSessions;
_parent = parent;
}
public void Initialize(KPort Parent)
{
this.Parent = Parent;
}
public bool TryGetService(string name, out KPort port)
{
return(_registeredServices.TryGetValue(name, out port));
}
public void Initialize(KPort parent)
{
_parent = parent;
}
public void Initialize(KPort Parent, int MaxSessions)
{
this.MaxSessions = MaxSessions;
this.Parent = Parent;
}
