int ISocketsDriver.connect(int socket, IntPtr address, int addressLen)
{
Socket sock = null;
if (!GetSocket(socket, out sock))
{
return(ReturnError(SocketError.NotSocket));
}
try
{
SockAddr sa = new SockAddr();
sa.MarshalFromNative(address);
sock.BeginConnect(new IPEndPoint(sa.sin_addr, sa.sin_port), new AsyncCallback(EndSockConnect), socket);
}
catch (SocketException se)
{
return(ReturnError(se.SocketErrorCode));
}
catch
{
return(ReturnError(SocketError.SocketError));
}
return(ReturnError(SocketError.WouldBlock));
}
int ISocketsDriver.bind(int socket, IntPtr address, int addressLen)
{
SocketData sd = null;
if (!GetSocketData(socket, out sd))
{
return(ReturnError(SocketError.NotSocket));
}
try
{
SockAddr sa = new SockAddr();
sa.MarshalFromNative(address);
if (sa.sin_port == 80)
{
sa.sin_port++;
}
IPEndPoint ep = new IPEndPoint(sa.sin_addr, sa.sin_port);
sd.Socket.Bind(ep);
}
catch (SocketException se)
{
return(ReturnError(se.SocketErrorCode));
}
catch
{
return(ReturnError(SocketError.SocketError));
}
return((int)SocketError.Success);
}
int ISocketsDriver.recvfrom(int socket, IntPtr buf, int len, int flags, IntPtr from, ref int fromlen)
{
SocketData sd = null;
if (!GetSocketData(socket, out sd))
{
return(ReturnError(SocketError.NotSocket));
}
try
{
if (sd.Socket.Poll(0, SelectMode.SelectRead))
{
byte[] data = new byte[len];
int read = 0;
SockAddr fromAddr = new SockAddr();
fromAddr.MarshalFromNative(from);
EndPoint fromEP = new IPEndPoint(fromAddr.sin_addr, fromAddr.sin_port);
read = sd.Socket.ReceiveFrom(data, 0, len, (SocketFlags)flags, ref fromEP);
Marshal.Copy(data, 0, buf, read);
fromAddr.sin_addr = IPAddressToUint(((IPEndPoint)fromEP).Address);
fromAddr.sin_port = (ushort)((IPEndPoint)fromEP).Port;
fromAddr.sin_family = (short)((IPEndPoint)fromEP).AddressFamily;
fromAddr.MarshalToNative(from);
return(read);
}
}
catch (SocketException se)
{
return(ReturnError((SocketError)se.ErrorCode));
}
finally
{
ClearSocketEvent(socket, true);
}
return(ReturnError(SocketError.WouldBlock));
}
int ISocketsDriver.sendto(int socket, IntPtr buf, int len, int flags, IntPtr to, ref int tolen)
{
SocketData sd = null;
if (!GetSocketData(socket, out sd))
{
return(ReturnError(SocketError.NotSocket));
}
try
{
if (sd.Socket.Poll(0, SelectMode.SelectWrite))
{
byte[] data = new byte[len];
int sent = 0;
Marshal.Copy(buf, data, 0, len);
SockAddr toAddr = new SockAddr();
toAddr.MarshalFromNative(to);
IPEndPoint toEP = new IPEndPoint(toAddr.sin_addr, toAddr.sin_port);
sent = sd.Socket.SendTo(data, 0, len, (SocketFlags)flags, toEP);
ClearSocketEvent(socket, false);
return(sent);
}
}
catch (SocketException se)
{
return(ReturnError((SocketError)se.ErrorCode));
}
return(ReturnError(SocketError.WouldBlock));
}