int ISocketsDriver.getpeername(int socket, IntPtr name, ref int namelen)
{
Socket sock = null;
if (!GetSocket(socket, out sock))
{
return(ReturnError(SocketError.NotSocket));
}
int ret = (int)SocketError.Success;
try
{
IPEndPoint ep = sock.RemoteEndPoint as IPEndPoint;
SockAddr addr = new SockAddr();
addr.sin_addr = IPAddressToUint(ep.Address);
addr.sin_family = (short)ep.AddressFamily;
addr.sin_port = (ushort)ep.Port;
addr.MarshalToNative(name);
}
catch (SocketException se)
{
ret = ReturnError(se.SocketErrorCode);
}
return(ret);
}
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.getsockname(int socket, IntPtr name, ref int namelen)
{
Socket sock = null;
if (!GetSocket(socket, out sock))
{
return(ReturnError(SocketError.NotSocket));
}
int ret = (int)SocketError.Success;
try
{
IPEndPoint ep = sock.LocalEndPoint as IPEndPoint;
SockAddr addr = new SockAddr();
if (IPAddress.IsLoopback(ep.Address))
{
addr.sin_addr = IPAddressToUint(ep.Address);
}
else
{
IPHostEntry ipEntry = Dns.GetHostEntry(ep.Address);
for (int i = 0; i < ipEntry.AddressList.Length; i++)
{
if (ipEntry.AddressList[i].AddressFamily == AddressFamily.InterNetwork)
{
addr.sin_addr = IPAddressToUint(ipEntry.AddressList[i]);
}
}
}
addr.sin_family = (short)ep.AddressFamily;
addr.sin_port = (ushort)ep.Port;
addr.MarshalToNative(name);
}
catch (SocketException se)
{
ret = ReturnError(se.SocketErrorCode);
}
return(ret);
}
