D-Modem/pjproject-2.11.1/pjsip/include/pjsip-simple/iscomposing.h
2021-10-29 14:41:03 -04:00

138 lines
5 KiB
C

/* $Id$ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* This program 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.
*
* This program 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.
*
* 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 __PJSIP_SIMPLE_ISCOMPOSING_H__
#define __PJSIP_SIMPLE_ISCOMPOSING_H__
/**
* @file iscomposing.h
* @brief Support for Indication of Message Composition (RFC 3994)
*/
#include <pjsip-simple/types.h>
#include <pjlib-util/xml.h>
/**
* @defgroup PJSIP_ISCOMPOSING Message Composition Indication (RFC 3994)
* @ingroup PJSIP_SIMPLE
* @brief Support for Indication of Message Composition (RFC 3994)
* @{
*
* This implements message composition indication, as described in
* RFC 3994.
*/
PJ_BEGIN_DECL
/**
* Create XML message with MIME type "application/im-iscomposing+xml"
* to indicate the message composition status.
*
* @param pool Pool to allocate memory.
* @param is_composing Message composition indication status. Set to
* PJ_TRUE (or non-zero) to indicate that application
* is currently composing an instant message.
* @param lst_actv Optional attribute to indicate time of last
* activity. If none is to be specified, the value
* MUST be set to NULL.
* @param content_tp Optional attribute to indicate the content type of
* message being composed. If none is to be specified,
* the value MUST be set to NULL.
* @param refresh Optional attribute to indicate the interval when
* next indication will be sent, only when
* is_composing is non-zero. If none is to be
* specified, the value MUST be set to -1.
*
* @return An XML message containing the message indication.
* NULL will be returned when there's not enough
* memory to allocate the message.
*/
PJ_DECL(pj_xml_node*) pjsip_iscomposing_create_xml(pj_pool_t *pool,
pj_bool_t is_composing,
const pj_time_val *lst_actv,
const pj_str_t *content_tp,
int refresh);
/**
* Create message body with Content-Type "application/im-iscomposing+xml"
* to indicate the message composition status.
*
* @param pool Pool to allocate memory.
* @param is_composing Message composition indication status. Set to
* PJ_TRUE (or non-zero) to indicate that application
* is currently composing an instant message.
* @param lst_actv Optional attribute to indicate time of last
* activity. If none is to be specified, the value
* MUST be set to NULL.
* @param content_tp Optional attribute to indicate the content type of
* message being composed. If none is to be specified,
* the value MUST be set to NULL.
* @param refresh Optional attribute to indicate the interval when
* next indication will be sent, only when
* is_composing is non-zero. If none is to be
* specified, the value MUST be set to -1.
*
* @return The SIP message body containing XML message
* indication. NULL will be returned when there's not
* enough memory to allocate the message.
*/
PJ_DECL(pjsip_msg_body*) pjsip_iscomposing_create_body( pj_pool_t *pool,
pj_bool_t is_composing,
const pj_time_val *lst_actv,
const pj_str_t *content_tp,
int refresh);
/**
* Parse the buffer and return message composition indication in the
* message.
*
* Note that the input string buffer MUST be NULL terminated and have
* length at least len+1 (len MUST NOT include the NULL terminator).
*
* @param pool Pool to allocate memory for the parsing process.
* @param msg The message to be parsed, MUST be NULL terminated.
* @param len Length of the message, excluding NULL terminator.
* @param p_is_composing Optional pointer to receive iscomposing status.
* @param p_last_active Optional pointer to receive last active attribute.
* @param p_content_type Optional pointer to receive content type attribute.
* @param p_refresh Optional pointer to receive refresh time.
*
* @return PJ_SUCCESS if message can be successfully parsed.
*/
PJ_DECL(pj_status_t) pjsip_iscomposing_parse( pj_pool_t *pool,
char *msg,
pj_size_t len,
pj_bool_t *p_is_composing,
pj_str_t **p_last_active,
pj_str_t **p_content_type,
int *p_refresh );
/**
* @}
*/
PJ_END_DECL
#endif /* __PJSIP_SIMPLE_ISCOMPOSING_H__ */