unsafe public int Read(byte *bufP, int count)
{
int r = 0;
var fdarray = new PollFD[1];
fdarray[0].fd = Handle;
fdarray[0].events = PollEvents.POLLIN | PollEvents.EPOLLRDHUP | PollEvents.EPOLLHUP | PollEvents.EPOLLERR;
do
{
if (poll(fdarray, 1, -1) == -1)
{
break;
}
if ((fdarray[0].revents & PollEvents.POLLIN) == 0)
{
break;
}
r = (int)read(Handle, bufP, (SizeT)count);
} while (r < 0 && UnixError.ShouldRetry);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
return(r);
}
public void Listen(int backlog)
{
int r = listen(Handle, backlog);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
}
//assigns a name to the socket
public void Bind(byte[] local_end)
{
int r = bind(Handle, local_end, (uint)local_end.Length);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
}
public int WriteV(IOVector *iov, int count)
{
//FIXME: Handle EINTR here or elsewhere
//FIXME: handle r != count
//TODO: check offset correctness
int r = (int)writev(Handle, iov, count);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
return(r);
}
public UnixSocket()
{
//TODO: don't hard-code PF_UNIX and SOCK_STREAM or SocketType.Stream
//AddressFamily family, SocketType type, ProtocolType proto
int r = socket(AF_UNIX, SOCK_STREAM, 0);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
Handle = r;
ownsHandle = true;
}
public int SendMsg(void *bufP, int flags)
{
int r = 0;
do
{
r = (int)sendmsg(Handle, bufP, flags);
} while (r < 0 && UnixError.ShouldRetry);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
return(r);
}
public int Write(byte *bufP, int count)
{
int r = 0;
do
{
r = (int)write(Handle, bufP, (SizeT)count);
} while (r < 0 && UnixError.ShouldRetry);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
return(r);
}
//TODO: consider memory management
public void Connect(byte[] remote_end)
{
int r = 0;
do
{
r = connect(Handle, remote_end, (uint)remote_end.Length);
} while (r < 0 && UnixError.ShouldRetry);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
connected = true;
}
public void Shutdown()
{
int r = 0;
if (Handle == -1 && connected == false)
{
return;
}
r = shutdown(Handle, ShutdownOptions.SHUT_RDWR);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
}
public int Write(IOVector[] iov, int offset, int count)
{
//FIXME: Handle EINTR here or elsewhere
//FIXME: handle r != count
//TODO: check offset correctness
fixed(IOVector *bufP = &iov[offset])
{
int r = (int)writev(Handle, bufP + offset, count);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
return(r);
}
}
//TODO: consider memory management
public void Close()
{
int r = 0;
if (Handle == -1 && connected == false)
{
return;
}
do
{
r = close(Handle);
} while (r < 0 && UnixError.ShouldRetry);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
Handle = -1;
connected = false;
}
public UnixSocket Accept()
{
byte[] addr = new byte[110];
uint addrlen = (uint)addr.Length;
fixed(byte *addrP = addr)
{
int r = 0;
do
{
r = accept(Handle, addrP, ref addrlen);
} while (r < 0 && UnixError.ShouldRetry);
if (r < 0)
{
throw UnixError.GetLastUnixException();
}
//TODO: use the returned addr
//string str = Encoding.Default.GetString (addr, 0, (int)addrlen);
return(new UnixSocket(r, true));
}
}