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/* $Id$ */
/*
* Copyright (C) 2003-2007 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 __PJNATH_TURN_UDP_H__
#define __PJNATH_TURN_UDP_H__
/**
* @file turn_udp.h
* @brief TURN relay using UDP client as transport protocol
*/
#include <pjnath/turn_session.h>
PJ_BEGIN_DECL
/* **************************************************************************/
/**
* @defgroup PJNATH_TURN_UDP TURN UDP client
* @brief TURN relay using UDP client as transport protocol
* @ingroup PJNATH_STUN
* @{
*/
/**
* Opaque declaration for TURN UDP client.
*/
typedef struct pj_turn_udp pj_turn_udp;
typedef struct pj_turn_udp_cb
{
/**
* Notification when incoming data has been received, either through
* Data indication or ChannelData message from the TURN server.
*
* This callback is mandatory.
*/
void (*on_rx_data)(pj_turn_udp *udp_rel,
const pj_uint8_t *pkt,
unsigned pkt_len,
const pj_sockaddr_t *peer_addr,
unsigned addr_len);
/**
* Notification when TURN session state has changed. Application should
* implement this callback to know that the TURN session is no longer
* available.
*/
void (*on_state)(pj_turn_udp *udp_rel, pj_turn_state_t old_state,
pj_turn_state_t new_state);
} pj_turn_udp_cb;
/**
* Create.
*/
PJ_DECL(pj_status_t) pj_turn_udp_create(pj_stun_config *cfg,
int af,
const pj_turn_udp_cb *cb,
unsigned options,
void *user_data,
pj_turn_udp **p_udp_rel);
/**
* Destroy.
*/
PJ_DECL(void) pj_turn_udp_destroy(pj_turn_udp *udp_rel);
/**
* Set user data.
*/
PJ_DECL(pj_status_t) pj_turn_udp_set_user_data(pj_turn_udp *udp_rel,
void *user_data);
/**
* Get user data.
*/
PJ_DECL(void*) pj_turn_udp_get_user_data(pj_turn_udp *udp_rel);
/**
* Get info.
*/
PJ_DECL(pj_status_t) pj_turn_udp_get_info(pj_turn_udp *udp_rel,
pj_turn_session_info *info);
/**
* Initialize.
*/
PJ_DECL(pj_status_t) pj_turn_udp_init(pj_turn_udp *udp_rel,
const pj_str_t *domain,
int default_port,
pj_dns_resolver *resolver,
const pj_stun_auth_cred *cred,
const pj_turn_alloc_param *param);
/**
* Send packet.
*/
PJ_DECL(pj_status_t) pj_turn_udp_sendto(pj_turn_udp *udp_rel,
const pj_uint8_t *pkt,
unsigned pkt_len,
const pj_sockaddr_t *addr,
unsigned addr_len);
/**
* Bind a peer address to a channel number.
*/
PJ_DECL(pj_status_t) pj_turn_udp_bind_channel(pj_turn_udp *udp_rel,
const pj_sockaddr_t *peer,
unsigned addr_len);
/**
* @}
*/
PJ_END_DECL
#endif /* __PJNATH_TURN_UDP_H__ */
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