nes-proj/core/net/rime/collect-neighbor.h

106 lines
4.0 KiB
C

/**
* \addtogroup rime
* @{
*/
/**
* \defgroup rimeneighbor Collect neighbor management
* @{
*
* The neighbor module manages the neighbor table that is used by the
* Collect module.
*/
/*
* Copyright (c) 2006, Swedish Institute of Computer Science.
* 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.
*
*/
/**
* \file
* Header file for the Contiki radio neighborhood management
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef COLLECT_NEIGHBOR_H_
#define COLLECT_NEIGHBOR_H_
#include "net/rime/rimeaddr.h"
#include "net/rime/collect-link-estimate.h"
#include "lib/list.h"
struct collect_neighbor_list {
LIST_STRUCT(list);
struct ctimer periodic;
};
struct collect_neighbor {
struct collect_neighbor *next;
rimeaddr_t addr;
uint16_t rtmetric;
uint16_t age;
uint16_t le_age;
struct collect_link_estimate le;
struct timer congested_timer;
};
void collect_neighbor_init(void);
list_t collect_neighbor_list(struct collect_neighbor_list *neighbor_list);
void collect_neighbor_list_new(struct collect_neighbor_list *neighbor_list);
int collect_neighbor_list_add(struct collect_neighbor_list *neighbor_list,
const rimeaddr_t *addr, uint16_t rtmetric);
void collect_neighbor_list_remove(struct collect_neighbor_list *neighbor_list,
const rimeaddr_t *addr);
struct collect_neighbor *collect_neighbor_list_find(struct collect_neighbor_list *neighbor_list,
const rimeaddr_t *addr);
struct collect_neighbor *collect_neighbor_list_best(struct collect_neighbor_list *neighbor_list);
int collect_neighbor_list_num(struct collect_neighbor_list *neighbor_list);
struct collect_neighbor *collect_neighbor_list_get(struct collect_neighbor_list *neighbor_list, int num);
void collect_neighbor_list_purge(struct collect_neighbor_list *neighbor_list);
void collect_neighbor_update_rtmetric(struct collect_neighbor *n,
uint16_t rtmetric);
void collect_neighbor_tx(struct collect_neighbor *n, uint16_t num_tx);
void collect_neighbor_rx(struct collect_neighbor *n);
void collect_neighbor_tx_fail(struct collect_neighbor *n, uint16_t num_tx);
void collect_neighbor_set_congested(struct collect_neighbor *n);
int collect_neighbor_is_congested(struct collect_neighbor *n);
uint16_t collect_neighbor_link_estimate(struct collect_neighbor *n);
uint16_t collect_neighbor_rtmetric_link_estimate(struct collect_neighbor *n);
uint16_t collect_neighbor_rtmetric(struct collect_neighbor *n);
#endif /* COLLECT_NEIGHBOR_H_ */
/** @} */
/** @} */