Examples with IPv4 org.opendaylight.genius.mdsalutil.packet.IPv4 used on opensource projects

Example 6 with IPv4

use of org.opendaylight.genius.mdsalutil.packet.IPv4 in project netvirt by opendaylight.

the class NaptEventHandler method buildNaptPacketOut.

@SuppressFBWarnings("PZLA_PREFER_ZERO_LENGTH_ARRAYS")
protected byte[] buildNaptPacketOut(Ethernet etherPkt) {
    LOG.debug("removeNatFlows : About to build Napt Packet Out");
    if (etherPkt.getPayload() instanceof IPv4) {
        byte[] rawPkt;
        IPv4 ipPkt = (IPv4) etherPkt.getPayload();
        if (ipPkt.getPayload() instanceof TCP || ipPkt.getPayload() instanceof UDP) {
            try {
                rawPkt = etherPkt.serialize();
                return rawPkt;
            } catch (PacketException e2) {
                LOG.error("failed to build NAPT Packet out ", e2);
                return null;
            }
        } else {
            LOG.error("removeNatFlows : Unable to build NaptPacketOut since its neither TCP nor UDP");
            return null;
        }
    }
    LOG.error("removeNatFlows : Unable to build NaptPacketOut since its not IPv4 packet");
    return null;
}