lw_parser.h

00001 /*
00002  * $Id$
00003  *
00004  * Copyright (C) 2007 iptelorg GmbH
00005  *
00006  * This file is part of ser, a free SIP server.
00007  *
00008  * ser is free software; you can redistribute it and/or modify
00009  * it under the terms of the GNU General Public License as published by
00010  * the Free Software Foundation; either version 2 of the License, or
00011  * (at your option) any later version
00012  *
00013  * For a license to use the ser software under conditions
00014  * other than those described here, or to purchase support for this
00015  * software, please contact iptel.org by e-mail at the following addresses:
00016  *    info@iptel.org
00017  *
00018  * ser is distributed in the hope that it will be useful,
00019  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00020  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00021  * GNU General Public License for more details.
00022  *
00023  * You should have received a copy of the GNU General Public License 
00024  * along with this program; if not, write to the Free Software 
00025  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00026  *
00027  * 2007-05-28   lightweight parser implemented for build_local_reparse()
00028  *              function. Basically copy-pasted from the core parser (Miklos)
00029  */
00030 
00031 #ifndef _LW_PARSER_H
00032 #define _LW_PARSER_H
00033 
00034 /*
00035  * lightweight header field name parser
00036  * used by build_local_reparse() function in order to construct ACK or CANCEL request
00037  * from the INVITE buffer
00038  * this parser supports only the header fields which are needed by build_local_reparse()
00039  */
00040 char *lw_get_hf_name(char *begin, char *end,
00041                         enum _hdr_types_t *type);
00042 
00043 /* returns a pointer to the next line */
00044 char *lw_next_line(char *buf, char *buf_end);
00045 
00046 #ifdef USE_DNS_FAILOVER
00047 /* returns the pointer to the first VIA header */
00048 char *lw_find_via(char *buf, char *buf_end);
00049 #endif
00050 
00051 #endif /* _LW_PARSER_H */