osip_dialog.h

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/*
  The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
  Copyright (C) 2001-2020 Aymeric MOIZARD amoizard@antisip.com
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 
  This library 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
  Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
 
#ifndef _DIALOG_H_
#define _DIALOG_H_
 
#include <osip2/osip.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef DOXYGEN
typedef enum _osip_dialog_type_t { CALLER, CALLEE } osip_dialog_type_t;
#endif
 
typedef struct osip_dialog osip_dialog_t;
 
struct osip_dialog {
  char *call_id;          
  char *local_tag;        
  char *remote_tag;       
  char *line_param;       
  osip_list_t route_set;  
  int local_cseq;         
  int remote_cseq;        
  osip_to_t *remote_uri;  
  osip_from_t *local_uri; 
  osip_contact_t *remote_contact_uri;
  int secure; 
  osip_dialog_type_t type; 
  state_t state;           
  void *your_instance;     
};
 
#define osip_dialog_set_instance(dialog, instance) (dialog)->your_instance = (void *) (instance)
 
#define osip_dialog_get_instance(dialog) (dialog)->your_instance
 
int osip_dialog_init_as_uac(osip_dialog_t **dialog, osip_message_t *response);
int osip_dialog_init_as_uac_with_remote_request(osip_dialog_t **dialog, osip_message_t *next_request, int local_cseq);
 
int osip_dialog_init_as_uas(osip_dialog_t **dialog, osip_message_t *invite, osip_message_t *response);
void osip_dialog_free(osip_dialog_t *dialog);
void osip_dialog_set_state(osip_dialog_t *dialog, state_t type);
int osip_dialog_update_route_set_as_uas(osip_dialog_t *dialog, osip_message_t *invite);
int osip_dialog_update_osip_cseq_as_uas(osip_dialog_t *dialog, osip_message_t *request);
 
int osip_dialog_match_as_uac(osip_dialog_t *dialog, osip_message_t *response);
int osip_dialog_update_tag_as_uac(osip_dialog_t *dialog, osip_message_t *response);
int osip_dialog_update_route_set_as_uac(osip_dialog_t *dialog, osip_message_t *response);
 
int osip_dialog_match_as_uas(osip_dialog_t *dialog, osip_message_t *request);
 
int osip_dialog_is_originator(osip_dialog_t *dialog);
int osip_dialog_is_callee(osip_dialog_t *dialog);
 
#ifdef __cplusplus
}
#endif
#endif