104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/**
|
|
* \addtogroup uip6
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* uIP Name Server interface
|
|
* \author Víctor Ariño <victor.arino@tado.com>
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2014, tado° GmbH.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
|
|
#ifndef UIP_NAMESERVER_H_
|
|
#define UIP_NAMESERVER_H_
|
|
|
|
#include "net/ip/uip.h"
|
|
|
|
/**
|
|
* \name General
|
|
* @{
|
|
*/
|
|
/** \brief Number of Nameservers to keep */
|
|
#ifndef UIP_CONF_NAMESERVER_POOL_SIZE
|
|
#define UIP_NAMESERVER_POOL_SIZE 1
|
|
#else /* UIP_CONF_NAMESERVER_POOL_SIZE */
|
|
#define UIP_NAMESERVER_POOL_SIZE UIP_CONF_NAMESERVER_POOL_SIZE
|
|
#endif /* UIP_CONF_NAMESERVER_POOL_SIZE */
|
|
/** \brief Infinite Lifetime indicator */
|
|
#define UIP_NAMESERVER_INFINITE_LIFETIME 0xFFFFFFFF
|
|
/** @} */
|
|
|
|
/**
|
|
* \name Nameserver maintenance
|
|
* @{
|
|
*/
|
|
/**
|
|
* \brief Insert or update a nameserver into/from the pool
|
|
*
|
|
* The list is kept according to the RFC6106, which indicates that new entries
|
|
* will replace old ones (with lower lifetime) and existing entries will update
|
|
* their lifetimes.
|
|
*
|
|
* \param nameserver Pointer to the nameserver ip address
|
|
* \param lifetime Life time of the given address. Minimum is 0, which is
|
|
* considered to remove an entry. Maximum is 0xFFFFFFFF which
|
|
* is considered infinite.
|
|
*/
|
|
void uip_nameserver_update(const uip_ipaddr_t *nameserver, uint32_t lifetime);
|
|
|
|
/**
|
|
* \brief Get a Nameserver ip address given in RA
|
|
*
|
|
* \param num The number of the nameserver to obtain, starting at 0 and going
|
|
* up to the pool size.
|
|
*/
|
|
uip_ipaddr_t *uip_nameserver_get(uint8_t num);
|
|
|
|
/**
|
|
* \brief Get next expiration time
|
|
*
|
|
* The least expiration time is returned
|
|
*/
|
|
uint32_t uip_nameserver_next_expiration(void);
|
|
|
|
/**
|
|
* \brief Get the number of recorded name servers
|
|
*/
|
|
uint16_t uip_nameserver_count(void);
|
|
/** @} */
|
|
|
|
#endif /* UIP_NAMESERVER_H_ */
|
|
/** @} */
|