mirror of
https://github.com/ryujinx-mirror/ryujinx.git
synced 2024-12-05 00:07:25 +00:00
150 lines
3.5 KiB
C#
150 lines
3.5 KiB
C#
using System.Collections.Concurrent;
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using System.Collections.Generic;
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namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
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{
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class BsdContext
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{
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private static ConcurrentDictionary<ulong, BsdContext> _registry = new ConcurrentDictionary<ulong, BsdContext>();
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private readonly object _lock = new object();
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private List<IFileDescriptor> _fds;
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private BsdContext()
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{
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_fds = new List<IFileDescriptor>();
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}
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public ISocket RetrieveSocket(int socketFd)
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{
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IFileDescriptor file = RetrieveFileDescriptor(socketFd);
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if (file is ISocket socket)
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{
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return socket;
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}
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return null;
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}
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public IFileDescriptor RetrieveFileDescriptor(int fd)
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{
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lock (_lock)
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{
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if (fd >= 0 && _fds.Count > fd)
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{
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return _fds[fd];
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}
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}
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return null;
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}
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public int RegisterFileDescriptor(IFileDescriptor file)
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{
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lock (_lock)
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{
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for (int fd = 0; fd < _fds.Count; fd++)
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{
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if (_fds[fd] == null)
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{
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_fds[fd] = file;
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return fd;
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}
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}
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_fds.Add(file);
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return _fds.Count - 1;
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}
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}
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public int DuplicateFileDescriptor(int fd)
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{
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IFileDescriptor oldFile = RetrieveFileDescriptor(fd);
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if (oldFile != null)
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{
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lock (_lock)
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{
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oldFile.Refcount++;
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return RegisterFileDescriptor(oldFile);
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}
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}
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return -1;
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}
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public bool CloseFileDescriptor(int fd)
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{
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IFileDescriptor file = RetrieveFileDescriptor(fd);
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if (file != null)
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{
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file.Refcount--;
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if (file.Refcount <= 0)
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{
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file.Dispose();
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}
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lock (_lock)
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{
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_fds[fd] = null;
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}
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return true;
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}
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return false;
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}
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public LinuxError ShutdownAllSockets(BsdSocketShutdownFlags how)
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{
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lock (_lock)
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{
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foreach (IFileDescriptor file in _fds)
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{
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if (file is ISocket socket)
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{
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LinuxError errno = socket.Shutdown(how);
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if (errno != LinuxError.SUCCESS)
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{
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return errno;
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}
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}
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}
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}
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return LinuxError.SUCCESS;
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}
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public static BsdContext GetOrRegister(ulong processId)
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{
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BsdContext context = GetContext(processId);
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if (context == null)
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{
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context = new BsdContext();
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_registry.TryAdd(processId, context);
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}
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return context;
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}
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public static BsdContext GetContext(ulong processId)
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{
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if (!_registry.TryGetValue(processId, out BsdContext processContext))
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{
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return null;
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}
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return processContext;
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}
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}
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}
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