mirror of
https://github.com/GreemDev/Ryujinx
synced 2024-12-04 23:42:10 +01:00
130 lines
3.9 KiB
C#
130 lines
3.9 KiB
C#
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using Ryujinx.Common.Logging;
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using System.Collections.Generic;
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using System.Net.Sockets;
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namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
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{
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class ManagedSocketPollManager : IPollManager
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{
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private static ManagedSocketPollManager _instance;
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public static ManagedSocketPollManager Instance
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{
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get
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{
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if (_instance == null)
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{
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_instance = new ManagedSocketPollManager();
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}
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return _instance;
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}
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}
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public bool IsCompatible(PollEvent evnt)
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{
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return evnt.FileDescriptor is ManagedSocket;
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}
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public LinuxError Poll(List<PollEvent> events, int timeoutMilliseconds, out int updatedCount)
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{
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List<Socket> readEvents = new List<Socket>();
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List<Socket> writeEvents = new List<Socket>();
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List<Socket> errorEvents = new List<Socket>();
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updatedCount = 0;
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foreach (PollEvent evnt in events)
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{
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ManagedSocket socket = (ManagedSocket)evnt.FileDescriptor;
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bool isValidEvent = false;
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if ((evnt.Data.InputEvents & PollEventTypeMask.Input) != 0)
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{
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readEvents.Add(socket.Socket);
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errorEvents.Add(socket.Socket);
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isValidEvent = true;
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}
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if ((evnt.Data.InputEvents & PollEventTypeMask.UrgentInput) != 0)
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{
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readEvents.Add(socket.Socket);
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errorEvents.Add(socket.Socket);
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isValidEvent = true;
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}
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if ((evnt.Data.InputEvents & PollEventTypeMask.Output) != 0)
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{
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writeEvents.Add(socket.Socket);
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errorEvents.Add(socket.Socket);
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isValidEvent = true;
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}
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if ((evnt.Data.InputEvents & PollEventTypeMask.Error) != 0)
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{
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errorEvents.Add(socket.Socket);
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isValidEvent = true;
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}
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if (!isValidEvent)
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{
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Logger.Warning?.Print(LogClass.ServiceBsd, $"Unsupported Poll input event type: {evnt.Data.InputEvents}");
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return LinuxError.EINVAL;
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}
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}
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try
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{
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int actualTimeoutMicroseconds = timeoutMilliseconds == -1 ? -1 : timeoutMilliseconds * 1000;
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Socket.Select(readEvents, writeEvents, errorEvents, actualTimeoutMicroseconds);
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}
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catch (SocketException exception)
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{
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return WinSockHelper.ConvertError((WsaError)exception.ErrorCode);
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}
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foreach (PollEvent evnt in events)
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{
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Socket socket = ((ManagedSocket)evnt.FileDescriptor).Socket;
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PollEventTypeMask outputEvents = 0;
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if (errorEvents.Contains(socket))
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{
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outputEvents |= PollEventTypeMask.Error;
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if (!socket.Connected || !socket.IsBound)
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{
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outputEvents |= PollEventTypeMask.Disconnected;
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}
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}
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if (readEvents.Contains(socket))
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{
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if ((evnt.Data.InputEvents & PollEventTypeMask.Input) != 0)
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{
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outputEvents |= PollEventTypeMask.Input;
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}
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}
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if (writeEvents.Contains(socket))
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{
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outputEvents |= PollEventTypeMask.Output;
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}
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evnt.Data.OutputEvents = outputEvents;
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}
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updatedCount = readEvents.Count + writeEvents.Count + errorEvents.Count;
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return LinuxError.SUCCESS;
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}
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}
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}
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