dset.h

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/*
 * $Id$
 *
 * Copyright (C) 2001-2004 FhG FOKUS
 *
 * This file is part of ser, a free SIP server.
 *
 * ser 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
 *
 * ser 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
 */

#ifndef _DSET_H
#define _DSET_H

#include "ip_addr.h"
#include "qvalue.h"
#include "flags.h"
#include "parser/msg_parser.h"


extern unsigned int nr_branches;
extern int ruri_is_new;

struct branch
{
    char uri[MAX_URI_SIZE];
    unsigned int len;

         /* Real destination of the request */
    char dst_uri[MAX_URI_SIZE];
    unsigned int dst_uri_len;

    /* Path set */
    char path[MAX_PATH_SIZE];
    unsigned int path_len;

    int q; /* Preference of the contact among
        * contact within the array */
    struct socket_info* force_send_socket;

    /* Branch flags */
    flag_t flags;
};

typedef struct branch branch_t;

branch_t *get_sip_branch(int idx);

int drop_sip_branch(int idx);

int append_branch(struct sip_msg* msg, str* uri, str* dst_uri, str* path,
                                         qvalue_t q, unsigned int flags,
                                         struct socket_info* force_socket);

#define km_append_branch(msg, uri, dst_uri, path, q, flags, force_socket) \
        append_branch(msg, uri, dst_uri, path, q, flags, force_socket)

static inline int ser_append_branch(struct sip_msg* msg,
                                                                        char* uri, int uri_len,
                                                                        char* dst_uri, int dst_uri_len,
                                                                        qvalue_t q,
                                                                        struct socket_info* force_socket)
{
        str s_uri, s_dst_uri;
        s_uri.s=uri;
        s_uri.len=uri_len;
        s_dst_uri.s=dst_uri;
        s_dst_uri.len=dst_uri_len;
        return append_branch(msg, &s_uri, &s_dst_uri, 0, q, 0, force_socket);
}



void init_branch_iterator(void);

int get_branch_iterator(void);

void set_branch_iterator(int n);

char* next_branch(int* len, qvalue_t* q, str* dst_uri, str* path,
                                        unsigned int* flags, struct socket_info** force_socket);


char* get_branch( unsigned int i, int* len, qvalue_t* q, str* dst_uri,
                                  str* path, unsigned int *flags,
                                  struct socket_info** force_socket);



void clear_branches(void);


char* print_dset(struct sip_msg* msg, int* len);


void set_ruri_q(qvalue_t q);


qvalue_t get_ruri_q(void);



/*
 * Get actual Request-URI
 */
inline static int get_request_uri(struct sip_msg* _m, str* _u)
{
        *_u=*GET_RURI(_m);
        return 0;
}


#define ruri_mark_new() (ruri_is_new = 1)

#define ruri_mark_consumed()  (ruri_is_new = 0)

#define ruri_get_forking_state() (ruri_is_new)

int rewrite_uri(struct sip_msg* _m, str* _s);

int setbflag(unsigned int branch, flag_t flag);

int resetbflag(unsigned int branch, flag_t flag);

int isbflagset(unsigned int branch, flag_t flag);

int getbflagsval(unsigned int branch, flag_t* res);

int setbflagsval(unsigned int branch, flag_t val);

#endif /* _DSET_H */