/* *   OSPFD routing daemon *   Copyright (C) 2001 by John T. Moy *    *   This program is free software; you can redistribute it and/or *   modify it under the terms of the GNU General Public License *   as published by the Free Software Foundation; either version 2 *   of the License, or (at your option) any later version. *    *   This program is distributed in the hope that it will be useful, *   but WITHOUT ANY WARRANTY; without even the implied warranty of *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *   GNU General Public License for more details. *    *   You should have received a copy of the GNU General Public License *   along with this program; if not, write to the Free Software *   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *//* This file contains the class used to build and parse * TLVs within the body of OSPF LSAs. */class TLVbuf {    byte *buf;    int blen;    TLV *current;    int tlen(int vlen);    TLV *reserve(int vlen);  public:    // Parse routines    TLVbuf(byte *body, int blen);    bool next_tlv(int & type);    bool get_int(int32 & val);    bool get_short(uns16 & val);    bool get_byte(byte & val);    char *get_string(int & len);    // Build routines    TLVbuf();    void reset();    void put_int(int type, int32 val);    void put_short(int type, uns16 val);    void put_byte(int type, byte val);    void put_string(int type, char *str, int len);    inline byte *start();    inline int length();};inline byte *TLVbuf::start(){    return(buf);}inline int TLVbuf::length(){    return(((byte *) current) - buf);}