492 lines
17 KiB
C
492 lines
17 KiB
C
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/* $Id$ */
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/*
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __PJSIP_SIP_REG_H__
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#define __PJSIP_SIP_REG_H__
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/**
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* @file sip_regc.h
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* @brief SIP Registration Client
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*/
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#include <pjsip/sip_types.h>
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#include <pjsip/sip_auth.h>
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#include <pjsip/sip_transport.h>
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/**
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* @defgroup PJSUA_REGC Client Registration
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* @ingroup PJSIP_HIGH_UA
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* @brief High Layer API for performing client registration.
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* @{
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*
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* This provides API for performing client registration. Application must
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* link with <b>pjsip-ua</b> static library to use this API.
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*/
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PJ_BEGIN_DECL
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/** Typedef for client registration data. */
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typedef struct pjsip_regc pjsip_regc;
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/** Maximum contacts in registration. */
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#define PJSIP_REGC_MAX_CONTACT 10
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/** Expiration not specified. */
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#define PJSIP_REGC_EXPIRATION_NOT_SPECIFIED PJSIP_EXPIRES_NOT_SPECIFIED
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/** Buffer to hold all contacts. */
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#define PJSIP_REGC_CONTACT_BUF_SIZE 512
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/** Structure to hold parameters when calling application's callback.
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* The application's callback is called when the client registration process
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* has finished.
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*/
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struct pjsip_regc_cbparam
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{
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pjsip_regc *regc; /**< Client registration structure. */
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void *token; /**< Arbitrary token set by application */
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/** Error status. If this value is non-PJ_SUCCESS, some error has occured.
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* Note that even when this contains PJ_SUCCESS the registration might
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* have failed; in this case the \a code field will contain non
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* successful (non-2xx status class) code
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*/
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pj_status_t status;
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int code; /**< SIP status code received. */
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pj_str_t reason; /**< SIP reason phrase received. */
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pjsip_rx_data *rdata; /**< The complete received response. */
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unsigned expiration;/**< Next expiration interval,
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PJSIP_REGC_EXPIRATION_NOT_SPECIFIED
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if not specified. */
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int contact_cnt;/**<Number of contacts in response. */
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pjsip_contact_hdr *contact[PJSIP_REGC_MAX_CONTACT]; /**< Contacts. */
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pj_bool_t is_unreg; /**< Expire header, if any, set to zero?*/
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};
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/** Type declaration for callback to receive registration result. */
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typedef void pjsip_regc_cb(struct pjsip_regc_cbparam *param);
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/**
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* Structure to hold parameters when calling application's callback
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* specified in #pjsip_regc_set_reg_tsx_cb().
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* To update contact address, application can set the field contact_cnt
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* and contact inside the callback.
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*/
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struct pjsip_regc_tsx_cb_param
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{
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struct pjsip_regc_cbparam cbparam;
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int contact_cnt;
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pj_str_t contact[PJSIP_REGC_MAX_CONTACT];
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};
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/** Type declaration for callback set in #pjsip_regc_set_reg_tsx_cb(). */
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typedef void pjsip_regc_tsx_cb(struct pjsip_regc_tsx_cb_param *param);
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/**
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* Client registration information.
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*/
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struct pjsip_regc_info
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{
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pj_str_t server_uri; /**< Server URI, */
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pj_str_t client_uri; /**< Client URI (From header). */
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pj_bool_t is_busy; /**< Have pending transaction? */
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pj_bool_t auto_reg; /**< Will register automatically? */
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unsigned interval; /**< Registration interval (seconds). */
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unsigned next_reg; /**< Time until next registration (seconds). */
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pjsip_transport *transport; /**< Last transport used. */
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};
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/**
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* @see pjsip_regc_info
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*/
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typedef struct pjsip_regc_info pjsip_regc_info;
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/**
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* Get the module instance for client registration module.
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*
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* @return client registration module.
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*/
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PJ_DECL(pjsip_module*) pjsip_regc_get_module(void);
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/**
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* Create client registration structure.
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*
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* @param endpt Endpoint, used to allocate pool from.
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* @param token A data to be associated with the client registration struct.
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* @param cb Pointer to callback function to receive registration status.
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* @param p_regc Pointer to receive client registration structure.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_create( pjsip_endpoint *endpt, void *token,
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pjsip_regc_cb *cb,
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pjsip_regc **p_regc);
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/**
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* Destroy client registration structure. If a registration transaction is
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* in progress, then the structure will be deleted only after a final response
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* has been received, and in this case, the callback won't be called.
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*
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* @param regc The client registration structure.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_destroy(pjsip_regc *regc);
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/**
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* Destroy client registration structure. If a registration transaction is
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* in progress:
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* - if force is PJ_TRUE, then the structure will be deleted only after
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* a final response has been received, and in this case, the callback
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* won't be called (this behavior is the same as calling
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* pjsip_regc_destroye()).
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* - if force is PJ_FALSE, the function will return PJ_EBUSY
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*
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* @param regc The client registration structure.
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* @param force Specify if the function must destroy the structure.
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*
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* @return PJ_SUCCESS on success, or PJ_EBUSY.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_destroy2(pjsip_regc *regc, pj_bool_t force);
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/**
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* Get registration info.
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*
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* @param regc The client registration structure.
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* @param info Client registration info.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_get_info( pjsip_regc *regc,
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pjsip_regc_info *info );
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/**
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* Get the memory pool associated with a registration client handle.
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*
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* @param regc The client registration structure.
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* @return pool handle.
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*/
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PJ_DECL(pj_pool_t*) pjsip_regc_get_pool(pjsip_regc *regc);
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/**
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* Initialize client registration structure with various information needed to
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* perform the registration.
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*
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* @param regc The client registration structure.
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* @param srv_url Server URL.
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* @param from_url The person performing the registration, must be a SIP URL type.
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* @param to_url The address of record for which the registration is targetd, must
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* be a SIP/SIPS URL.
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* @param ccnt Number of contacts in the array.
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* @param contact Array of contacts, each contact item must be formatted
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* as described in RFC 3261 Section 20.10:
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* When the header field value contains a display
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* name, the URI including all URI parameters is
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* enclosed in "<" and ">". If no "<" and ">" are
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* present, all parameters after the URI are header
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* parameters, not URI parameters. The display name
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* can be tokens, or a quoted string, if a larger
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* character set is desired.
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* @param expires Default expiration interval (in seconds) to be applied for
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* contact URL that doesn't have expiration settings. If the
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* value PJSIP_REGC_EXPIRATION_NOT_SPECIFIED is given, then
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* no default expiration will be applied.
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* @return zero on success.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_init(pjsip_regc *regc,
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const pj_str_t *srv_url,
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const pj_str_t *from_url,
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const pj_str_t *to_url,
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int ccnt,
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const pj_str_t contact[],
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pj_uint32_t expires);
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/**
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* Increment busy counter temporarily, to prevent client registration
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* structure from being destroyed.
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*
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* @param regc The client registration structure.
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*/
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PJ_DECL(void) pjsip_regc_add_ref( pjsip_regc *regc );
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/**
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* Decrement temporary busy counter. After this function
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* is called, client registration structure may have been destroyed
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* if there's a pending destroy.
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*
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* @param regc The client registration structure.
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*
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* @return PJ_SUCCESS on success. PJ_EGONE if the registration
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* structure has been destroyed inside the function.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_dec_ref( pjsip_regc *regc );
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/**
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* Set callback to be called when the registration received a final response.
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* This callback is different with the one specified during creation via
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* #pjsip_regc_create(). This callback will be called for any final response
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* (including 401/407/423) and before any subsequent requests are sent.
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* In case of unregistration, this callback will not be called.
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*
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* @param regc The client registration structure.
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* @param tsx_cb Pointer to callback function to receive registration status.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_set_reg_tsx_cb(pjsip_regc *regc,
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pjsip_regc_tsx_cb *tsx_cb);
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/**
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* Set the "sent-by" field of the Via header for outgoing requests.
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*
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* @param regc The client registration structure.
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* @param via_addr Set via_addr to use for the Via header or NULL to use
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* the transport's published name.
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* @param via_tp via_addr will only be used if we are using via_tp
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* transport.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_set_via_sent_by(pjsip_regc *regc,
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pjsip_host_port *via_addr,
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pjsip_transport *via_tp);
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/**
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* Set the number of seconds to refresh the client registration before
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* the registration expires.
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*
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* @param regc The registration structure.
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* @param delay The number of seconds to refresh the client
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* registration before the registration expires.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t)
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pjsip_regc_set_delay_before_refresh( pjsip_regc *regc,
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pj_uint32_t delay );
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/**
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* Set authentication credentials to use by this registration.
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*
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* @param regc The registration structure.
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* @param count Number of credentials in the array.
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* @param cred Array of credentials.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_set_credentials( pjsip_regc *regc,
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int count,
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const pjsip_cred_info cred[] );
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/**
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* Set authentication preference.
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*
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* @param regc The registration structure.
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* @param pref Authentication preference.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_set_prefs( pjsip_regc *regc,
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const pjsip_auth_clt_pref *pref);
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/**
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* Set route set to be used for outgoing requests.
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*
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* @param regc The client registration structure.
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* @param route_set List containing Route headers.
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*
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* @return PJ_SUCCESS on success.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_set_route_set(pjsip_regc *regc,
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const pjsip_route_hdr*route_set);
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/**
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* Lock/bind client registration to a specific transport/listener.
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* This is optional, as normally transport will be selected automatically
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* based on the destination of requests upon resolver completion.
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* When the client registration is explicitly bound to the specific
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* transport/listener, all UAC transactions originated by the client
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* registration will use the specified transport/listener when sending
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* outgoing requests.
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*
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* Note that this doesn't affect the Contact header set for this client
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* registration. Application must manually update the Contact header if
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* necessary, to adjust the address according to the transport being
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* selected.
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*
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* @param regc The client registration instance.
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* @param sel Transport selector containing the specification of
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* transport or listener to be used by this session
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* to send requests.
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*
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* @return PJ_SUCCESS on success, or the appropriate error code.
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*/
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PJ_DECL(pj_status_t) pjsip_regc_set_transport(pjsip_regc *regc,
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const pjsip_tpselector *sel);
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/**
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* Release the reference to current transport being used by the regc, if any.
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* The regc keeps the reference to the last transport being used in order
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* to prevent it from being destroyed. In some situation however, such as
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* when the transport is disconnected, it is necessary to instruct the
|
||
|
|
* regc to release this reference so that the transport can be destroyed.
|
||
|
|
* See https://trac.pjsip.org/repos/ticket/1481 for background info.
|
||
|
|
*
|
||
|
|
* @param regc The client registration instance.
|
||
|
|
*
|
||
|
|
* @return PJ_SUCCESS on success, or the appropriate error code.
|
||
|
|
*/
|
||
|
|
PJ_DECL(pj_status_t) pjsip_regc_release_transport(pjsip_regc *regc);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add headers to be added to outgoing REGISTER requests.
|
||
|
|
*
|
||
|
|
* @param regc The client registration structure.
|
||
|
|
* @param hdr_list List containing SIP headers to be added for all outgoing
|
||
|
|
* REGISTER requests.
|
||
|
|
*
|
||
|
|
* @return PJ_SUCCESS on success.
|
||
|
|
*/
|
||
|
|
PJ_DECL(pj_status_t) pjsip_regc_add_headers(pjsip_regc *regc,
|
||
|
|
const pjsip_hdr *hdr_list);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create REGISTER request for the specified client registration structure.
|
||
|
|
*
|
||
|
|
* After successfull registration, application can inspect the contacts in
|
||
|
|
* the client registration structure to list what contacts are associaciated
|
||
|
|
* with the address of record being targeted in the registration.
|
||
|
|
*
|
||
|
|
* @param regc The client registration structure.
|
||
|
|
* @param autoreg If non zero, the library will automatically refresh the
|
||
|
|
* next registration until application unregister.
|
||
|
|
* @param p_tdata Pointer to receive the REGISTER request.
|
||
|
|
*
|
||
|
|
* @return PJ_SUCCESS on success.
|
||
|
|
*/
|
||
|
|
PJ_DECL(pj_status_t) pjsip_regc_register(pjsip_regc *regc, pj_bool_t autoreg,
|
||
|
|
pjsip_tx_data **p_tdata);
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create REGISTER request to unregister the contacts that were previously
|
||
|
|
* registered by this client registration.
|
||
|
|
*
|
||
|
|
* @param regc The client registration structure.
|
||
|
|
* @param p_tdata Pointer to receive the REGISTER request.
|
||
|
|
*
|
||
|
|
* @return PJ_SUCCESS on success.
|
||
|
|
*/
|
||
|
|
PJ_DECL(pj_status_t) pjsip_regc_unregister(pjsip_regc *regc,
|
||
|
|
pjsip_tx_data **p_tdata);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create REGISTER request to unregister all contacts from server records.
|
||
|
|
* Note that this will unregister all registered contact for the AOR
|
||
|
|
* including contacts registered by other user agents. To only unregister
|
||
|
|
* contact registered by this client registration instance, use
|
||
|
|
* #pjsip_regc_unregister() instead.
|
||
|
|
*
|
||
|
|
* @param regc The client registration structure.
|
||
|
|
* @param p_tdata Pointer to receive the REGISTER request.
|
||
|
|
*
|
||
|
|
* @return PJ_SUCCESS on success.
|
||
|
|
*/
|
||
|
|
PJ_DECL(pj_status_t) pjsip_regc_unregister_all(pjsip_regc *regc,
|
||
|
|
pjsip_tx_data **p_tdata);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Update Contact details in the client registration structure. For each
|
||
|
|
* contact, if the contact is not found in existing contact, it will be
|
||
|
|
* added to the Contact list. If it matches existing contact, nothing
|
||
|
|
* will be added. This function will also mark existing contacts which
|
||
|
|
* are not specified in the new contact list as to be removed, by adding
|
||
|
|
* "expires=0" parameter to these contacts.
|
||
|
|
*
|
||
|
|
* Once the contact list has been updated, application must update the
|
||
|
|
* registration by creating a new REGISTER request and send it to the
|
||
|
|
* registrar. This request will contain both old and new contacts; the
|
||
|
|
* old contacts will have it's expires parameter set to zero to instruct
|
||
|
|
* the registrar to remove the bindings.
|
||
|
|
*
|
||
|
|
* @param regc The client registration structure.
|
||
|
|
* @param ccnt Number of contacts.
|
||
|
|
* @param contact Array of contacts, each contact item must be formatted
|
||
|
|
* as described in RFC 3261 Section 20.10:
|
||
|
|
* When the header field value contains a display
|
||
|
|
* name, the URI including all URI parameters is
|
||
|
|
* enclosed in "<" and ">". If no "<" and ">" are
|
||
|
|
* present, all parameters after the URI are header
|
||
|
|
* parameters, not URI parameters. The display name
|
||
|
|
* can be tokens, or a quoted string, if a larger
|
||
|
|
* character set is desired.
|
||
|
|
* @return PJ_SUCCESS if sucessfull.
|
||
|
|
*/
|
||
|
|
PJ_DECL(pj_status_t) pjsip_regc_update_contact( pjsip_regc *regc,
|
||
|
|
int ccnt,
|
||
|
|
const pj_str_t contact[] );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Update the expires value. The next REGISTER request will contain
|
||
|
|
* new expires value for the registration.
|
||
|
|
*
|
||
|
|
* @param regc The client registration structure.
|
||
|
|
* @param expires The new expires value.
|
||
|
|
* @return zero on successfull.
|
||
|
|
*/
|
||
|
|
PJ_DECL(pj_status_t) pjsip_regc_update_expires( pjsip_regc *regc,
|
||
|
|
pj_uint32_t expires );
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends outgoing REGISTER request.
|
||
|
|
* The process will complete asynchronously, and application
|
||
|
|
* will be notified via the callback when the process completes.
|
||
|
|
*
|
||
|
|
* @param regc The client registration structure.
|
||
|
|
* @param tdata Transmit data.
|
||
|
|
*
|
||
|
|
* @return PJ_SUCCESS on success.
|
||
|
|
*/
|
||
|
|
PJ_DECL(pj_status_t) pjsip_regc_send(pjsip_regc *regc, pjsip_tx_data *tdata);
|
||
|
|
|
||
|
|
|
||
|
|
PJ_END_DECL
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#endif /* __PJSIP_REG_H__ */
|