public TcpConnection(Packet packet)
{
if (packet.Ethernet == null)
{
throw new Exception("error creating TcpStreamAddress packet is not ethernet");
}
EthernetDatagram ethernet = packet.Ethernet;
//if (ip == null)
if (ethernet.EtherType != PcapDotNet.Packets.Ethernet.EthernetType.IpV4)
{
throw new Exception("error creating TcpStreamAddress packet is not ipv4");
}
IpV4Datagram ip = ethernet.IpV4;
//if (tcp == null)
if (ip.Protocol != IpV4Protocol.Tcp)
{
throw new Exception("error creating TcpStreamAddress packet is not tcp");
}
TcpDatagram tcp = ip.Tcp;
//_source = new TcpAddress(ip.Source, tcp.SourcePort);
_source = new TcpAddress(ethernet.Source, ip.Source, tcp.SourcePort);
//_destination = new TcpAddress(ip.Destination, tcp.DestinationPort);
_destination = new TcpAddress(ethernet.Destination, ip.Destination, tcp.DestinationPort);
SetOrder();
}
private void SetOrder()
{
if (_source < _destination)
{
_address1 = _source;
_address2 = _destination;
_originalOrder = true;
}
else
{
_address1 = _destination;
_address2 = _source;
_originalOrder = false;
}
}
public TcpConnection(TcpAddress source, TcpAddress destination)
{
_source = source;
_destination = destination;
SetOrder();
}