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/*
* $Id: data_lump.h,v 1.4 2005/08/24 10:23:46 bogdan_iancu Exp $
*
* adding/removing headers or any other data chunk from a message
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser 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
*
* openser 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
*
* History:
* --------
* 2003-01-29 s/int/enum ... more convenient for gdb (jiri)
* 2003-03-31 added subst lumps -- they expand in ip addr, port a.s.o (andrei)
* 2003-04-01 added opt (condition) lumps (andrei)
* 2003-04-02 added more subst lumps: SUBST_{SND,RCV}_ALL
* => ip:port;transport=proto (andrei)
*
*/
#ifndef data_lump_h
#define data_lump_h
#include "lump_struct.h"
#include "parser/msg_parser.h"
#include "parser/hf.h"
extern int init_lump_flags;
#define set_init_lump_flags(_flags) \
do{\
init_lump_flags = _flags;\
}while(0)
#define reset_init_lump_flags() \
do{\
init_lump_flags = 0;\
}while(0)
/* adds a header to the end */
struct lump* append_new_lump(struct lump** list, char* new_hdr,
int len, enum _hdr_types_t type);
/* inserts a header to the beginning */
struct lump* insert_new_lump(struct lump** list, char* new_hdr,
int len, enum _hdr_types_t type);
struct lump* insert_new_lump_after(struct lump* after,
char* new_hdr, int len, enum _hdr_types_t type);
struct lump* insert_new_lump_before(struct lump* before, char* new_hdr,
int len,enum _hdr_types_t type);
/* substitutions (replace with ip address, port etc) */
struct lump* insert_subst_lump_after(struct lump* after, enum lump_subst subst,
enum _hdr_types_t type);
struct lump* insert_subst_lump_before(struct lump* before,enum lump_subst subst,
enum _hdr_types_t type);
/* conditional lumps */
struct lump* insert_cond_lump_after(struct lump* after, enum lump_conditions c,
enum _hdr_types_t type);
struct lump* insert_cond_lump_before(struct lump* after, enum lump_conditions c,
enum _hdr_types_t type);
/* removes an already existing header */
struct lump* del_lump(struct sip_msg* msg, int offset, int len, enum _hdr_types_t type);
/* set an anchor */
struct lump* anchor_lump(struct sip_msg* msg, int offset, int len, enum _hdr_types_t type);
/* duplicates a lump list shallowly in pkg-mem */
struct lump* dup_lump_list( struct lump *l );
/* frees a shallowly duplicated lump list */
void free_duped_lump_list(struct lump* l);
/* remove all flaged lumps from the list */
void del_flaged_lumps( struct lump** lump_list, enum lump_flag flags );
void del_notflaged_lumps( struct lump** lump_list, enum lump_flag not_flags);
#endif
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