parse_param.h

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/* 
 * Generic Parameter Parser
 *
 * Copyright (C) 2001-2003 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
 *
 * For a license to use the ser software under conditions
 * other than those described here, or to purchase support for this
 * software, please contact iptel.org by e-mail at the following addresses:
 *    info@iptel.org
 *
 * 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
 *
 * History:
 * -------
 * 2003-03-24 Created by janakj
 * 2003-04-07 shm duplication support (janakj)
 * 2003-04-07 URI class added (janakj)
 */

#ifndef PARSE_PARAM_H
#define PARSE_PARAM_H

#include <stdio.h>

#include "../str.h"

typedef enum ptype {
        P_OTHER = 0, 
        P_Q,         
        P_EXPIRES,   
        P_METHODS,   
        P_RECEIVED,  
        P_TRANSPORT, 
        P_LR,        
        P_R2,        
        P_MADDR,     
        P_TTL,       
        P_DSTIP,     
        P_DSTPORT,   
        P_INSTANCE,  
        P_REG_ID,    
        P_FTAG,      
        P_CALL_ID,   
        P_FROM_TAG,  
        P_TO_TAG,    
        P_ISD,       
        P_SLA,       
        P_MA         
} ptype_t;


typedef enum pclass {
        CLASS_ANY = 0,      
        CLASS_CONTACT,      
        CLASS_URI,          
        CLASS_EVENT_DIALOG  
} pclass_t;


typedef struct param {
        ptype_t type;         
        str name;             
        str body;             
        int len;              
        struct param* next;   
} param_t;


struct contact_hooks {
        struct param* expires;  
        struct param* q;        
        struct param* methods;  
        struct param* received; 
        struct param* instance; 
        struct param* reg_id;   
};


struct uri_hooks {
        struct param* transport; 
        struct param* lr;        
        struct param* r2;        
        struct param* maddr;     
        struct param* ttl;       
        struct param* dstip;     
        struct param* dstport;   
        struct param* ftag;      
};


struct event_dialog_hooks {
        struct param* call_id;
        struct param* from_tag;
        struct param* to_tag;
        struct param* include_session_description;
        struct param* sla;
        struct param* ma;
};

typedef union param_hooks {
        struct contact_hooks contact; 
        struct uri_hooks uri;         
        struct event_dialog_hooks event_dialog;
} param_hooks_t;

inline int parse_param(str *_s, pclass_t _c, param_hooks_t *_h, param_t *t);


int parse_params(str* _s, pclass_t _c, param_hooks_t* _h, param_t** _p);


void free_params(param_t* _p);


void shm_free_params(param_t* _p);


void print_params(FILE* _o, param_t* _p);


int duplicate_params(param_t** _n, param_t* _p);


int shm_duplicate_params(param_t** _n, param_t* _p);


#endif /* PARSE_PARAM_H */