/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SIP_DIALOG_H
#define _SIP_DIALOG_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <pthread.h>
#include <sip.h>
#include <sys/types.h>
#include "sip_msg.h"
#include "sip_miscdefs.h"
/*
* Dialogs are linked in their own list.
*/
/* This is always done within sip_dlg_mutex */
#define SIP_DLG_REFCNT_INCR(dialog) \
(dialog)->sip_dlg_ref_cnt++;
#define SIP_DLG_REFCNT_DECR(dialog) { \
(void) pthread_mutex_lock(&((dialog)->sip_dlg_mutex)); \
assert((dialog)->sip_dlg_ref_cnt > 0); \
(dialog)->sip_dlg_ref_cnt--; \
if ((dialog)->sip_dlg_ref_cnt == 0 && \
(dialog)->sip_dlg_state == SIP_DLG_DESTROYED) { \
(void) pthread_mutex_unlock(&((dialog)->sip_dlg_mutex)); \
sip_dialog_delete(dialog); \
} else { \
(void) pthread_mutex_unlock(&((dialog)->sip_dlg_mutex));\
} \
}
/* The dialog structure */
typedef struct sip_dialog
{
_sip_header_t *sip_dlg_remote_uri_tag;
_sip_header_t *sip_dlg_local_uri_tag;
_sip_header_t *sip_dlg_remote_target;
_sip_header_t *sip_dlg_local_contact;
_sip_header_t *sip_dlg_new_local_contact; /* for re-INVITE */
_sip_header_t *sip_dlg_route_set;
_sip_header_t *sip_dlg_event;
sip_str_t sip_dlg_rset;
sip_str_t sip_dlg_req_uri;
_sip_header_t *sip_dlg_call_id;
uint32_t sip_dlg_local_cseq;
uint32_t sip_dlg_remote_cseq;
uint16_t sip_dlg_id[8];
boolean_t sip_dlg_secure;
dialog_state_t sip_dlg_state;
int sip_dlg_type; /* CALLEE or CALLER */
pthread_mutex_t sip_dlg_mutex;
uint32_t sip_dlg_ref_cnt;
sip_timer_t sip_dlg_timer; /* to delete partial dialogs */
boolean_t sip_dlg_on_fork;
sip_method_t sip_dlg_method;
void *sip_dlg_ctxt; /* currently unused */
int sip_dlg_msgcnt;
sip_log_t sip_dlg_log[SIP_DLG_DESTROYED + 1];
} _sip_dialog_t;
void sip_dialog_init(void (*sip_ulp_dlg_del)(sip_dialog_t,
sip_msg_t, void *),
void (*ulp_dlg_state)(sip_dialog_t, sip_msg_t,
int, int));
sip_dialog_t sip_dialog_create(_sip_msg_t *, _sip_msg_t *, int);
sip_dialog_t sip_dialog_find(_sip_msg_t *);
int sip_dialog_process(_sip_msg_t *, sip_dialog_t *);
sip_dialog_t sip_update_dialog(sip_dialog_t, _sip_msg_t *);
void sip_dialog_add_new_contact(sip_dialog_t, _sip_msg_t *);
void sip_dialog_terminate(sip_dialog_t, sip_msg_t);
sip_dialog_t sip_seed_dialog(sip_conn_object_t, _sip_msg_t *,
boolean_t, int);
char *sip_dialog_req_uri(sip_dialog_t);
void sip_dialog_delete(_sip_dialog_t *);
extern char *sip_get_dialog_state_str(int);
extern boolean_t sip_incomplete_dialog(sip_dialog_t);
#ifdef __cplusplus
}
#endif
#endif /* _SIP_DIALOG_H */