public byte[] ToBytes()
{
byte[] byteValue;
byte[] payload = Payload.ToBytes();
byte[] ipv6Packet = new byte[Ipv6HeaderLength + payload.Length];
int offset = 0;
ipv6Packet[offset++] = (byte)((Version << 4) | ((TrafficClass >> 4) & 0xF));
ipv6Packet[offset++] = (byte)((uint)((TrafficClass << 4) & 0xF0) | (uint)((Flow >> 16) & 0xF));
ipv6Packet[offset++] = (byte)((Flow >> 8) & 0xFF);
ipv6Packet[offset++] = (byte)(Flow & 0xFF);
byteValue = NetUtilities.FromLittleEndian(PayloadLength);
Array.Copy(byteValue, 0, ipv6Packet, offset, byteValue.Length);
offset += byteValue.Length;
ipv6Packet[offset++] = (byte)NextHeader;
ipv6Packet[offset++] = (byte)HopLimit;
byteValue = SourceAddress.GetAddressBytes();
Array.Copy(byteValue, 0, ipv6Packet, offset, byteValue.Length);
offset += byteValue.Length;
byteValue = DestinationAddress.GetAddressBytes();
Array.Copy(byteValue, 0, ipv6Packet, offset, byteValue.Length);
offset += byteValue.Length;
Array.Copy(payload, 0, ipv6Packet, offset, payload.Length);
return(ipv6Packet);
}
public byte[] ToBytes()
{
byte[] icmpv6message = null;
if (IcmpMessage != null)
{
icmpv6message = IcmpMessage.ToBytes();
}
byte[] icmpv6packet = new byte[Icmpv6HeaderLength];
icmpv6packet[0] = (byte)Icmpv6MessageType;
icmpv6packet[1] = Code;
Array.Copy(NetUtilities.FromLittleEndian(Checksum), 0, icmpv6packet, 2, 2);
if (icmpv6message != null)
{
return(Utilities.CombineArrays(icmpv6packet, icmpv6message));
}
else
{
return(icmpv6packet);
}
}
public IPv6PseudoHeader(IPAddress sourceAddress, IPAddress destinationAddress, ushort headerLength, byte nextHeader)
{
pseudoHeader = new byte[40]; // Size of IPv6 header
Array.Copy(sourceAddress.GetAddressBytes(), 0, pseudoHeader, 0, 16);
Array.Copy(destinationAddress.GetAddressBytes(), 0, pseudoHeader, 16, 16);
Array.Copy(NetUtilities.FromLittleEndian(headerLength), 0, pseudoHeader, 32, 2);
pseudoHeader[36] = 0; // Reserved 3 zeros
pseudoHeader[37] = 0;
pseudoHeader[38] = 0;
pseudoHeader[39] = nextHeader; //NextHeader
}
public byte[] ToBytes()
{
byte[] udpHeader = new byte[UdpHeaderLength];
Array.Copy(NetUtilities.FromLittleEndian(SourcePort), 0, udpHeader, 0, 2);
Array.Copy(NetUtilities.FromLittleEndian(DestinationPort), 0, udpHeader, 2, 2);
Array.Copy(NetUtilities.FromLittleEndian(Length), 0, udpHeader, 4, 2);
Array.Copy(NetUtilities.FromLittleEndian(Checksum), 0, udpHeader, 6, 2);
if (Payload != null)
{
return(Utilities.CombineArrays(udpHeader, Payload));
}
else
{
return(udpHeader);
}
}
