public static void getpeername(int handle, out byte[] address)
{
if (!_isInitialized)
{
Initialize();
}
Netduino.IP.LinkLayers.CC3100.CC3100SocketInfo socketInfo = _cc3100.GetSocketInfo(handle);
UInt32 ipAddress = socketInfo.RemoteIPAddress;
UInt16 ipPort = socketInfo.RemoteIPPort;
address = new byte[8];
if (SystemInfo.IsBigEndian)
{
address[0] = 0x00; /* InterNetwork = 0x0002 */
address[1] = 0x02; /* InterNetwork = 0x0002 */
}
else
{
address[0] = 0x02; /* InterNetwork = 0x0002 */
address[1] = 0x00; /* InterNetwork = 0x0002 */
}
address[2] = (byte)((ipPort >> 8) & 0xFF);
address[3] = (byte)(ipPort & 0xFF);
address[4] = (byte)((ipAddress >> 24) & 0xFF);
address[5] = (byte)((ipAddress >> 16) & 0xFF);
address[6] = (byte)((ipAddress >> 8) & 0xFF);
address[7] = (byte)(ipAddress & 0xFF);
}
public static void getsockopt(int handle, int level, int optname, byte[] optval)
{
if (!_isInitialized)
{
Initialize();
}
switch (level)
{
case 0xffff: /* SocketOptionLevel.Socket */
{
/* filter for CC3100-specific optnames */
switch (optname)
{
case 0x001008: /* SocketOptionName.Type */
{
Netduino.IP.LinkLayers.CC3100.CC3100SocketInfo socketInfo = _cc3100.GetSocketInfo(handle);
optval[0] = (byte)(((Int32)socketInfo.SocketSocketType) & 0xFF);
optval[1] = (byte)((((Int32)socketInfo.SocketSocketType) >> 8) & 0xFF);
optval[2] = (byte)((((Int32)socketInfo.SocketSocketType) >> 16) & 0xFF);
optval[3] = (byte)((((Int32)socketInfo.SocketSocketType) >> 24) & 0xFF);
}
break;
case 0x400000: /* map to SL_SO_SECMETHOD */
{
int retVal = _cc3100.sl_GetSockOpt(handle, 1 /* SL_SOL_SOCKET */, 25 /* SL_SO_SECMETHOD */, optval);
if (retVal < 0)
{
throw new CC3100SimpleLinkException(retVal); /* TODO: what is the correct exception? */
}
}
break;
case 0x400002: /* trigger to upgrade to SSL/TLS (by closing an open socket and re-opening it in secure mode using the pre-specified security method/mask */
{
// bytes 0-7: ipaddress
// byte 8: sslProtocolOption
// byte 9: where we return the new handle (or 0xFF on error)
// close the socket
_cc3100.sl_Close(handle);
// re-open the socket
int newHandle = 0xFF; // default to "invalid handle"
int retVal = _cc3100.sl_Socket(Netduino.IP.LinkLayers.CC3100.SocketAddressFamily.IPv4, Netduino.IP.LinkLayers.CC3100.SocketSocketType.Stream, Netduino.IP.LinkLayers.CC3100.SocketProtocolType.Secure);
if (retVal >= 0)
{
newHandle = retVal;
// set SSL security protocol option(s)
setsockopt(handle, 0xffff /* SocketOptionLevel.Socket */, 0x400000 /* map to SL_SO_SECMETHOD */, new byte[] { optval[8] });
// parse ipAddress
UInt16 ipPort = (UInt16)(((UInt16)optval[2] << 8) +
(UInt16)optval[3]);
UInt32 ipAddress = ((UInt32)optval[4] << 24) +
((UInt32)optval[5] << 16) +
((UInt32)optval[6] << 8) +
(UInt32)optval[7];
// re-open socket
retVal = _cc3100.sl_Connect(newHandle, Netduino.IP.LinkLayers.CC3100.SocketAddressFamily.IPv4, ipAddress, ipPort);
if (retVal >= 0 || retVal == -453 /* SL_ESECSNOVERIFY */)
{
optval[9] = (byte)newHandle;
}
else
{
//Debug.Print("SSL Socket Upgrade Failure; Error # " + retVal);
}
}
}
break;
default:
throw new NotSupportedException();
}
}
break;
default:
throw new NotSupportedException();
}
}
