public override SocketAddress Serialize()
{
SocketAddress sockaddr = null;
switch (address.AddressFamily)
{
case AddressFamily.InterNetwork:
// .net produces a 16 byte buffer, even though
// only 8 bytes are used. I guess its just a
// holdover from struct sockaddr padding.
sockaddr = new SocketAddress(AddressFamily.InterNetwork, 16);
// bytes 2 and 3 store the port, the rest
// stores the address
sockaddr[2] = (byte)((port >> 8) & 0xff);
sockaddr[3] = (byte)(port & 0xff);
long addr = address.InternalIPv4Address;
sockaddr[4] = (byte)(addr & 0xff);
sockaddr[5] = (byte)((addr >> 8) & 0xff);
sockaddr[6] = (byte)((addr >> 16) & 0xff);
sockaddr[7] = (byte)((addr >> 24) & 0xff);
break;
case AddressFamily.InterNetworkV6:
sockaddr = new SocketAddress(AddressFamily.InterNetworkV6, 28);
sockaddr[2] = (byte)((port >> 8) & 0xff);
sockaddr[3] = (byte)(port & 0xff);
byte[] addressBytes = address.GetAddressBytes();
for (int i = 0; i < 16; i++)
sockaddr[8 + i] = addressBytes[i];
sockaddr[24] = (byte)(address.ScopeId & 0xff);
sockaddr[25] = (byte)((address.ScopeId >> 8) & 0xff);
sockaddr[26] = (byte)((address.ScopeId >> 16) & 0xff);
sockaddr[27] = (byte)((address.ScopeId >> 24) & 0xff);
break;
}
return (sockaddr);
}
// bytes 2 and 3 store the port, the rest
// stores the address
public override EndPoint Create(SocketAddress socketAddress)
{
if (socketAddress == null)
throw new ArgumentNullException("socketAddress");
if (socketAddress.Family != AddressFamily)
throw new ArgumentException("The IPEndPoint was created using " + AddressFamily +
" AddressFamily but SocketAddress contains " + socketAddress.Family +
" instead, please use the same type.");
SocketAddress sockaddr = socketAddress;
int size = sockaddr.Size;
AddressFamily family = sockaddr.Family;
int port;
IPEndPoint ipe = null;
switch (family)
{
case AddressFamily.InterNetwork:
if (size < 8)
{
return (null);
}
port = (((int)sockaddr[2]) << 8) + (int)sockaddr[3];
long address = (((long)sockaddr[7]) << 24) +
(((long)sockaddr[6]) << 16) +
(((long)sockaddr[5]) << 8) +
(long)sockaddr[4];
ipe = new IPEndPoint(address, port);
break;
case AddressFamily.InterNetworkV6:
if (size < 28)
{
return (null);
}
port = (((int)sockaddr[2]) << 8) + (int)sockaddr[3];
/// maybe flowid ?
/*
int unknown = (int)sockaddr[4] +
(((int)sockaddr[5])<<8) +
(((int)sockaddr[6])<<16) +
(((int)sockaddr[7])<<24);
*/
int scopeId = (int)sockaddr[24] +
(((int)sockaddr[25]) << 8) +
(((int)sockaddr[26]) << 16) +
(((int)sockaddr[27]) << 24);
ushort[] addressData = new ushort[8];
for (int i = 0; i < 8; i++)
addressData[i] = (ushort)((sockaddr[8 + i * 2] << 8) + sockaddr[8 + i * 2 + 1]);
ipe = new IPEndPoint(new IPAddress(addressData, scopeId), port);
break;
default:
return null;
}
return (ipe);
}
public virtual EndPoint Create(SocketAddress socketAddress)
{
throw NotImplemented();
}