public IpcRequest(Switch device, KThread thread, KClientSession session, ulong messagePtr, ulong messageSize)
{
Device = device;
Thread = thread;
Session = session;
MessagePtr = messagePtr;
MessageSize = messageSize;
}
public HleIpcMessage(
KThread thread,
KClientSession session,
IpcMessage message,
long messagePtr)
{
Thread = thread;
Session = session;
Message = message;
MessagePtr = messagePtr;
}
private KernelResult SendSyncRequest_(int handle)
{
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
KClientSession session = currentProcess.HandleTable.GetObject <KClientSession>(handle);
if (session == null)
{
return(KernelResult.InvalidHandle);
}
return(session.SendSyncRequest());
}
private KernelResult SendSyncRequest(ulong messagePtr, ulong size, int handle)
{
byte[] messageData = _process.CpuMemory.ReadBytes((long)messagePtr, (long)size);
KClientSession clientSession = _process.HandleTable.GetObject <KClientSession>(handle);
if (clientSession == null || clientSession.Service == null)
{
return(SendSyncRequest_(handle));
}
if (clientSession != null)
{
_system.CriticalSection.Enter();
KThread currentThread = _system.Scheduler.GetCurrentThread();
currentThread.SignaledObj = null;
currentThread.ObjSyncResult = KernelResult.Success;
currentThread.Reschedule(ThreadSchedState.Paused);
IpcMessage message = new IpcMessage(messageData, (long)messagePtr);
ThreadPool.QueueUserWorkItem(ProcessIpcRequest, new HleIpcMessage(
currentThread,
clientSession,
message,
(long)messagePtr));
_system.ThreadCounter.AddCount();
_system.CriticalSection.Leave();
return(currentThread.ObjSyncResult);
}
else
{
Logger.PrintWarning(LogClass.KernelSvc, $"Invalid session handle 0x{handle:x8}!");
return(KernelResult.InvalidHandle);
}
}
protected static T GetObject <T>(ServiceCtx context, int index) where T : IpcService
{
IpcService service = context.Session.Service;
if (!service._isDomain)
{
int handle = context.Request.HandleDesc.ToMove[index];
KClientSession session = context.Process.HandleTable.GetObject <KClientSession>(handle);
return(session?.Service is T ? (T)session.Service : null);
}
int objId = context.Request.ObjectIds[index];
IIpcService obj = service.GetObject(objId);
return(obj is T ? (T)obj : null);
}
public ServiceCtx(
Switch device,
KProcess process,
MemoryManager memory,
KClientSession session,
IpcMessage request,
IpcMessage response,
BinaryReader requestData,
BinaryWriter responseData)
{
Device = device;
Process = process;
Memory = memory;
Session = session;
Request = request;
Response = response;
RequestData = requestData;
ResponseData = responseData;
}
public static KernelResult IpcCall(
Switch device,
KProcess process,
MemoryManager memory,
KThread thread,
KClientSession session,
IpcMessage request,
long cmdPtr)
{
IpcMessage response = new IpcMessage();
using (MemoryStream raw = new MemoryStream(request.RawData))
{
BinaryReader reqReader = new BinaryReader(raw);
if (request.Type == IpcMessageType.Request ||
request.Type == IpcMessageType.RequestWithContext)
{
response.Type = IpcMessageType.Response;
using (MemoryStream resMs = new MemoryStream())
{
BinaryWriter resWriter = new BinaryWriter(resMs);
ServiceCtx context = new ServiceCtx(
device,
process,
memory,
thread,
session,
request,
response,
reqReader,
resWriter);
session.Service.CallMethod(context);
response.RawData = resMs.ToArray();
}
}
else if (request.Type == IpcMessageType.Control ||
request.Type == IpcMessageType.ControlWithContext)
{
long magic = reqReader.ReadInt64();
long cmdId = reqReader.ReadInt64();
switch (cmdId)
{
case 0:
{
request = FillResponse(response, 0, session.Service.ConvertToDomain());
break;
}
case 3:
{
request = FillResponse(response, 0, 0x1000);
break;
}
// TODO: Whats the difference between IpcDuplicateSession/Ex?
case 2:
case 4:
{
int unknown = reqReader.ReadInt32();
if (process.HandleTable.GenerateHandle(session, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
response.HandleDesc = IpcHandleDesc.MakeMove(handle);
request = FillResponse(response, 0);
break;
}
default: throw new NotImplementedException(cmdId.ToString());
}
}
else if (request.Type == IpcMessageType.CloseSession)
{
// TODO
return(KernelResult.PortRemoteClosed);
}
else
{
throw new NotImplementedException(request.Type.ToString());
}
memory.WriteBytes(cmdPtr, response.GetBytes(cmdPtr));
}
return(KernelResult.Success);
}
public void PushMessage(Switch device, KThread thread, KClientSession session, ulong messagePtr, ulong messageSize)
{
_ipcProcessor.Add(new IpcRequest(device, thread, session, messagePtr, messageSize));
}
