public void Send(byte[] buffer, int length)
{
// make sure that a default destination IPEndpoint has been configured.
if ((destinationIpAddress == IPv6Any) || (destinationPort == IPPortAny))
{
throw new SocketsException("Socket is not connected.");
}
UdpDatagram udpDatagram = new UdpDatagram();
udpDatagram.DestinationPort = destinationPort;
udpDatagram.SourcePort = sourcePort;
udpDatagram.AddPayload(buffer);
udpDatagram.Checksum = 0;
IPv6Packet packetUDP = new IPv6Packet();
packetUDP.SourceAddress = sourceIpAddress;
packetUDP.DestinationAddress = destinationIpAddress;
packetUDP.NextHeader = IPv6Protocol.Udp;
packetUDP.Payload = udpDatagram;
packetUDP.PayloadLength = udpDatagram.Length;
IPv6PseudoHeader ipv6PseudoHeader = new IPv6PseudoHeader(packetUDP.SourceAddress, packetUDP.DestinationAddress, packetUDP.PayloadLength, (byte)packetUDP.NextHeader);
ushort checkSum = ipv6PseudoHeader.GetCheckSum();
checkSum = NetUtilities.ComputeChecksum(checkSum, udpDatagram.ToBytes(), true);
udpDatagram.Checksum = checkSum;
NetworkingInterface.Send(packetUDP.ToBytes());
}
