/*

* Path handling for intermediate proxies.

*

* Copyright (C) 2006 Inode GmbH (Andreas Granig <andreas.granig@inode.info>)

*

* This file is part of opensips, a free SIP server.

*

* opensips 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

*

* opensips 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

*

*/

#ifndef __PATH_H

#define __PATH_H

#include "../parser/msg_parser.h"

#define PATH_PREFIX "Path: <sip:"

#define PATH_PREFIX_LEN (sizeof(PATH_PREFIX)-1)

#define PATH_LR_PARAM ";lr"

#define PATH_LR_PARAM_LEN (sizeof(PATH_LR_PARAM)-1)

#define PATH_RC_PARAM ";received="

#define PATH_RC_PARAM_LEN (sizeof(PATH_RC_PARAM)-1)

#define PATH_TRANS_PARAM ";transport="

#define PATH_TRANS_PARAM_LEN (sizeof(PATH_TRANS_PARAM)-1)

#define PATH_ESC_TRANS_PARAM "\%3btransport\%3d"

#define PATH_ESC_TRANS_PARAM_LEN (sizeof(PATH_ESC_TRANS_PARAM)-1)

#define PATH_CRLF ">\r\n"

#define PATH_CRLF_LEN (sizeof(PATH_CRLF)-1)

#define PATH_R2 ";r2=on"

#define PATH_R2_LEN (sizeof(PATH_R2)-1)

int prepend_path(struct sip_msg* _m, str *user, int recv, int double_path);

#endif /* __PATH_H */