ryujinx/Ryujinx.HLE/HOS/Services/Sm/IUserInterface.cs
gdkchan 22bacc6188
Improve kernel IPC implementation (#550)
* Implement some IPC related kernel SVCs properly

* Fix BLZ decompression when the segment also has a uncompressed chunck

* Set default cpu core on process start from ProgramLoader, remove debug message

* Load process capabilities properly on KIPs

* Fix a copy/paste error in UnmapPhysicalMemory64

* Implement smarter switching between old and new IPC system to support the old HLE services implementation without the manual switch

* Implement RegisterService on sm and AcceptSession (partial)

* Misc fixes and improvements on new IPC methods

* Move IPC related SVCs into a separate file, and logging on RegisterService (sm)

* Some small fixes related to receive list buffers and error cases

* Load NSOs using the correct pool partition

* Fix corner case on GetMaskFromMinMax where range is 64, doesn't happen in pratice however

* Fix send static buffer copy

* Session release, implement closing requests on client disconnect

* Implement ConnectToPort SVC

* KLightSession init
2019-01-18 20:26:39 -02:00

150 lines
4.4 KiB
C#

using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Ipc;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
namespace Ryujinx.HLE.HOS.Services.Sm
{
class IUserInterface : IpcService
{
private Dictionary<int, ServiceProcessRequest> _commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
private ConcurrentDictionary<string, KPort> _registeredServices;
private bool _isInitialized;
public IUserInterface()
{
_commands = new Dictionary<int, ServiceProcessRequest>
{
{ 0, Initialize },
{ 1, GetService },
{ 2, RegisterService }
};
_registeredServices = new ConcurrentDictionary<string, KPort>();
}
public static void InitializePort(Horizon system)
{
KPort port = new KPort(system, 256, false, 0);
port.ClientPort.SetName("sm:");
port.ClientPort.Service = new IUserInterface();
}
public long Initialize(ServiceCtx context)
{
_isInitialized = true;
return 0;
}
public long GetService(ServiceCtx context)
{
if (!_isInitialized)
{
return ErrorCode.MakeError(ErrorModule.Sm, SmErr.NotInitialized);
}
string name = ReadName(context);
if (name == string.Empty)
{
return ErrorCode.MakeError(ErrorModule.Sm, SmErr.InvalidName);
}
KSession session = new KSession(context.Device.System);
if (_registeredServices.TryGetValue(name, out KPort port))
{
KernelResult result = port.EnqueueIncomingSession(session.ServerSession);
if (result != KernelResult.Success)
{
throw new InvalidOperationException($"Session enqueue on port returned error \"{result}\".");
}
}
else
{
session.ClientSession.Service = ServiceFactory.MakeService(context.Device.System, name);
}
if (context.Process.HandleTable.GenerateHandle(session.ClientSession, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeMove(handle);
return 0;
}
public long RegisterService(ServiceCtx context)
{
if (!_isInitialized)
{
return ErrorCode.MakeError(ErrorModule.Sm, SmErr.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 ErrorCode.MakeError(ErrorModule.Sm, SmErr.InvalidName);
}
Logger.PrintInfo(LogClass.ServiceSm, $"Register \"{name}\".");
KPort port = new KPort(context.Device.System, maxSessions, isLight, 0);
if (!_registeredServices.TryAdd(name, port))
{
return ErrorCode.MakeError(ErrorModule.Sm, SmErr.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 0;
}
private static string ReadName(ServiceCtx context)
{
string name = string.Empty;
for (int index = 0; index < 8 &&
context.RequestData.BaseStream.Position <
context.RequestData.BaseStream.Length; index++)
{
byte chr = context.RequestData.ReadByte();
if (chr >= 0x20 && chr < 0x7f)
{
name += (char)chr;
}
}
return name;
}
}
}