registrar_notify.h

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/*
 * $Id: registrar_notify.h 560 2008-05-22 15:26:09Z vingarzan $
 *  
 * Copyright (C) 2004-2006 FhG Fokus
 *
 * This file is part of Open IMS Core - an open source IMS CSCFs & HSS
 * implementation
 *
 * Open IMS Core 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 Open IMS Core software under conditions
 * other than those described here, or to purchase support for this
 * software, please contact Fraunhofer FOKUS by e-mail at the following
 * addresses:
 *     info@open-ims.org
 *
 * Open IMS Core 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.
 * 
 * It has to be noted that this Open Source IMS Core System is not 
 * intended to become or act as a product in a commercial context! Its 
 * sole purpose is to provide an IMS core reference implementation for 
 * IMS technology testing and IMS application prototyping for research 
 * purposes, typically performed in IMS test-beds.
 * 
 * Users of the Open Source IMS Core System have to be aware that IMS
 * technology may be subject of patents and licence terms, as being 
 * specified within the various IMS-related IETF, ITU-T, ETSI, and 3GPP
 * standards. Thus all Open IMS Core users have to take notice of this 
 * fact and have to agree to check out carefully before installing, 
 * using and extending the Open Source IMS Core System, if related 
 * patents and licences may become applicable to the intended usage 
 * context.  
 *
 * 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 S_CSCF_REGISTRAR_NOTIFY_H_
#define S_CSCF_REGISTRAR_NOTIFY_H_

#include "../../sr_module.h"
#include "../../locking.h"
#include "../tm/tm_load.h"
#include "ims_pm.h"


#define MSG_REG_SUBSCRIBE_OK "Subscription to REG saved"
#define MSG_REG_UNSUBSCRIBE_OK "Subscription to REG dropped"


enum {
    IMS_REGISTRAR_NONE,                 
    IMS_REGISTRAR_SUBSCRIBE,            
    IMS_REGISTRAR_UNSUBSCRIBE,          
    IMS_REGISTRAR_SUBSCRIBE_EXPIRED,    
    IMS_REGISTRAR_CONTACT_REGISTERED,   
    IMS_REGISTRAR_CONTACT_CREATED,      
    IMS_REGISTRAR_CONTACT_REFRESHED,    
    IMS_REGISTRAR_CONTACT_SHORTENED,    
    IMS_REGISTRAR_CONTACT_EXPIRED,      
    IMS_REGISTRAR_CONTACT_DEACTIVATED,  
    IMS_REGISTRAR_CONTACT_PROBATION,    
    IMS_REGISTRAR_CONTACT_UNREGISTERED, 
    IMS_REGISTRAR_CONTACT_REJECTED      
}IMS_Registrar_events;

typedef struct _r_notification {    
    str req_uri;                        
    str uri;                            
    str subscription_state;             
    str event;                          
    str content_type;                   
    str content;                        
    dlg_t *dialog;                      
    #ifdef WITH_IMS_PM
        unsigned short is_scscf_dereg;      
    #endif
    
    struct _r_notification *next;       
    struct _r_notification *prev;       
} r_notification;

typedef struct {    
    gen_lock_t *lock;                   
    r_notification *head;               
    r_notification *tail;               
} r_notification_list;


int r_notify_init();
void r_notify_destroy();


int S_can_subscribe(struct sip_msg *msg,char *str1,char *str2);

int S_subscribe(struct sip_msg *msg,char *str1,char *str2);

int S_SUBSCRIBE_reply(struct sip_msg *msg, int code,  char *text,int *expires,str *contact);

int S_event_reg(void *p,void *c,void *s,int event_type,int send_now);


void send_notification(r_notification *n);

void notification_timer(unsigned int ticks, void* param);

r_notification* new_r_notification(str req_uri,str uri,str subscription_state,str event,
                    str content_type,str content,dlg_t *dialog,int version);
void add_r_notification(r_notification *n);
void free_r_notification(r_notification *n);


#endif //S_CSCF_REGISTRAR_NOTIFY_H_

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