private static TcpPacket parse(
IpPacket p, InetAddress source, InetAddress destination, int tcpLength, Buffer data)
throws BufferUnderflowException {
TcpPacket s = new TcpPacket();
s.ipPacket = p;
s.tcpLength = tcpLength;
s.sourceAddr = source;
s.destinationAddr = destination;
s.srcPort = data.getUnsignedShort();
s.dstPort = data.getUnsignedShort();
s.sessionKey = new TcpSessionKeyImpl(s.sourceAddr, s.destinationAddr, s.srcPort, s.dstPort);
s.seq = data.getInt();
s.ack = data.getInt();
s.parseDataOffsetAndFlags(data);
s.window = data.getUnsignedShort();
s.checksum = data.getUnsignedShort();
s.urgentPointer = data.getUnsignedShort();
s.parseOptions(data);
s.parseData(data);
return s;
}
