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https://github.com/Ryujinx/Ryujinx.git
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b5b7e23fc4
* hle: Simplify ServiceNotImplementedException This removes the need to pass in whether the command is a Tipc command or a Hipc command to the exception constructor. * hle: Use the IPC Message type to determine command type This allows differentiating between Tipc and Hipc commands when invoking a handler that supports handling both Tipc and Hipc commands.
282 lines
9 KiB
C#
282 lines
9 KiB
C#
using Ryujinx.Common.Logging;
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using Ryujinx.HLE.Exceptions;
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using Ryujinx.HLE.HOS.Ipc;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Linq;
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namespace Ryujinx.HLE.HOS.Services
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{
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abstract class IpcService
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{
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public IReadOnlyDictionary<int, MethodInfo> HipcCommands { get; }
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public IReadOnlyDictionary<int, MethodInfo> TipcCommands { get; }
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public ServerBase Server { get; private set; }
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private IpcService _parent;
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private IdDictionary _domainObjects;
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private int _selfId;
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private bool _isDomain;
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public IpcService(ServerBase server = null)
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{
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HipcCommands = Assembly.GetExecutingAssembly().GetTypes()
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.Where(type => type == GetType())
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.SelectMany(type => type.GetMethods(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public))
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.SelectMany(methodInfo => methodInfo.GetCustomAttributes(typeof(CommandHipcAttribute))
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.Select(command => (((CommandHipcAttribute)command).Id, methodInfo)))
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.ToDictionary(command => command.Id, command => command.methodInfo);
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TipcCommands = Assembly.GetExecutingAssembly().GetTypes()
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.Where(type => type == GetType())
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.SelectMany(type => type.GetMethods(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public))
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.SelectMany(methodInfo => methodInfo.GetCustomAttributes(typeof(CommandTipcAttribute))
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.Select(command => (((CommandTipcAttribute)command).Id, methodInfo)))
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.ToDictionary(command => command.Id, command => command.methodInfo);
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Server = server;
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_parent = this;
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_domainObjects = new IdDictionary();
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_selfId = -1;
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}
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public int ConvertToDomain()
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{
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if (_selfId == -1)
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{
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_selfId = _domainObjects.Add(this);
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}
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_isDomain = true;
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return _selfId;
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}
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public void ConvertToSession()
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{
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_isDomain = false;
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}
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public void CallHipcMethod(ServiceCtx context)
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{
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IpcService service = this;
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if (_isDomain)
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{
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int domainWord0 = context.RequestData.ReadInt32();
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int domainObjId = context.RequestData.ReadInt32();
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int domainCmd = (domainWord0 >> 0) & 0xff;
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int inputObjCount = (domainWord0 >> 8) & 0xff;
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int dataPayloadSize = (domainWord0 >> 16) & 0xffff;
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context.RequestData.BaseStream.Seek(0x10 + dataPayloadSize, SeekOrigin.Begin);
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for (int index = 0; index < inputObjCount; index++)
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{
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context.Request.ObjectIds.Add(context.RequestData.ReadInt32());
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}
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context.RequestData.BaseStream.Seek(0x10, SeekOrigin.Begin);
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if (domainCmd == 1)
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{
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service = GetObject(domainObjId);
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context.ResponseData.Write(0L);
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context.ResponseData.Write(0L);
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}
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else if (domainCmd == 2)
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{
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Delete(domainObjId);
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context.ResponseData.Write(0L);
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return;
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}
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else
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{
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throw new NotImplementedException($"Domain command: {domainCmd}");
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}
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}
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long sfciMagic = context.RequestData.ReadInt64();
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int commandId = (int)context.RequestData.ReadInt64();
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bool serviceExists = service.HipcCommands.TryGetValue(commandId, out MethodInfo processRequest);
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if (context.Device.Configuration.IgnoreMissingServices || serviceExists)
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{
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ResultCode result = ResultCode.Success;
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context.ResponseData.BaseStream.Seek(_isDomain ? 0x20 : 0x10, SeekOrigin.Begin);
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if (serviceExists)
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{
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Logger.Debug?.Print(LogClass.KernelIpc, $"{service.GetType().Name}: {processRequest.Name}");
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result = (ResultCode)processRequest.Invoke(service, new object[] { context });
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}
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else
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{
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string serviceName;
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DummyService dummyService = service as DummyService;
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serviceName = (dummyService == null) ? service.GetType().FullName : dummyService.ServiceName;
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Logger.Warning?.Print(LogClass.KernelIpc, $"Missing service {serviceName}: {commandId} ignored");
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}
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if (_isDomain)
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{
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foreach (int id in context.Response.ObjectIds)
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{
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context.ResponseData.Write(id);
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}
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context.ResponseData.BaseStream.Seek(0, SeekOrigin.Begin);
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context.ResponseData.Write(context.Response.ObjectIds.Count);
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}
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context.ResponseData.BaseStream.Seek(_isDomain ? 0x10 : 0, SeekOrigin.Begin);
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context.ResponseData.Write(IpcMagic.Sfco);
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context.ResponseData.Write((long)result);
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}
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else
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{
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string dbgMessage = $"{service.GetType().FullName}: {commandId}";
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throw new ServiceNotImplementedException(service, context, dbgMessage);
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}
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}
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public void CallTipcMethod(ServiceCtx context)
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{
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int commandId = (int)context.Request.Type - 0x10;
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bool serviceExists = TipcCommands.TryGetValue(commandId, out MethodInfo processRequest);
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if (context.Device.Configuration.IgnoreMissingServices || serviceExists)
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{
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ResultCode result = ResultCode.Success;
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context.ResponseData.BaseStream.Seek(0x4, SeekOrigin.Begin);
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if (serviceExists)
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{
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Logger.Debug?.Print(LogClass.KernelIpc, $"{GetType().Name}: {processRequest.Name}");
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result = (ResultCode)processRequest.Invoke(this, new object[] { context });
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}
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else
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{
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string serviceName;
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DummyService dummyService = this as DummyService;
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serviceName = (dummyService == null) ? GetType().FullName : dummyService.ServiceName;
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Logger.Warning?.Print(LogClass.KernelIpc, $"Missing service {serviceName}: {commandId} ignored");
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}
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context.ResponseData.BaseStream.Seek(0, SeekOrigin.Begin);
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context.ResponseData.Write((uint)result);
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}
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else
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{
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string dbgMessage = $"{GetType().FullName}: {commandId}";
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throw new ServiceNotImplementedException(this, context, dbgMessage);
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}
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}
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protected void MakeObject(ServiceCtx context, IpcService obj)
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{
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obj.TrySetServer(_parent.Server);
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if (_parent._isDomain)
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{
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obj._parent = _parent;
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context.Response.ObjectIds.Add(_parent.Add(obj));
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}
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else
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{
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context.Device.System.KernelContext.Syscall.CreateSession(false, 0, out int serverSessionHandle, out int clientSessionHandle);
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obj.Server.AddSessionObj(serverSessionHandle, obj);
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context.Response.HandleDesc = IpcHandleDesc.MakeMove(clientSessionHandle);
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}
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}
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protected T GetObject<T>(ServiceCtx context, int index) where T : IpcService
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{
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int objId = context.Request.ObjectIds[index];
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IpcService obj = _parent.GetObject(objId);
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return obj is T t ? t : null;
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}
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public bool TrySetServer(ServerBase newServer)
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{
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if (Server == null)
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{
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Server = newServer;
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return true;
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}
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return false;
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}
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private int Add(IpcService obj)
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{
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return _domainObjects.Add(obj);
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}
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private bool Delete(int id)
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{
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object obj = _domainObjects.Delete(id);
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if (obj is IDisposable disposableObj)
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{
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disposableObj.Dispose();
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}
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return obj != null;
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}
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private IpcService GetObject(int id)
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{
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return _domainObjects.GetData<IpcService>(id);
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}
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public void SetParent(IpcService parent)
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{
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_parent = parent._parent;
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}
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public virtual void DestroyAtExit()
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{
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foreach (object domainObject in _domainObjects.Values)
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{
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if (domainObject != this && domainObject is IDisposable disposableObj)
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{
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disposableObj.Dispose();
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}
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}
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_domainObjects.Clear();
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}
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}
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}
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