diff options
Diffstat (limited to 'usr/src/lib/libsip/common/sip_dialog.h')
| -rw-r--r-- | usr/src/lib/libsip/common/sip_dialog.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/usr/src/lib/libsip/common/sip_dialog.h b/usr/src/lib/libsip/common/sip_dialog.h new file mode 100644 index 0000000000..7596ee9bf3 --- /dev/null +++ b/usr/src/lib/libsip/common/sip_dialog.h @@ -0,0 +1,102 @@ +/* + * 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 2006 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 + +/* + * 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_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 */ +} _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_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 boolean_t sip_incomplete_dialog(sip_dialog_t); + +#ifdef __cplusplus +} +#endif + +#endif /* _SIP_DIALOG_H */ |