if (payload instanceof TCP) { sb.append("\ntp_src: "); sb.append(((TCP) payload).getSourcePort()); sb.append("\ntp_dst: "); sb.append(((TCP) payload).getDestinationPort());
if (protocol == IPv4.PROTOCOL_TCP) { TCP tcpPacket = (TCP) ipv4Packet.getPayload(); portSrc = tcpPacket.getSourcePort(); portDst = tcpPacket.getDestinationPort(); } else if (protocol == IPv4.PROTOCOL_UDP) {