4e0744954a
calculation and parent selection. This fixes a severe bug that caused loops when packets were erroneously retransmitted due to ACK loss.
92 lines
3.2 KiB
C
92 lines
3.2 KiB
C
/**
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* \addtogroup rime
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* @{
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*/
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/**
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* \defgroup rimeneighbor Collect neighbor management
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* @{
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*
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* The neighbor module manages the neighbor table that is used by the
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* Collect module.
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*/
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/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: collect-neighbor.h,v 1.2 2010/09/08 19:21:45 adamdunkels Exp $
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*/
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/**
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* \file
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* Header file for the Contiki radio neighborhood management
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#ifndef __COLLECT_NEIGHBOR_H__
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#define __COLLECT_NEIGHBOR_H__
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#include "net/rime/rimeaddr.h"
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#include "net/rime/collect-link-estimate.h"
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struct collect_neighbor {
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struct collect_neighbor *next;
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uint16_t time;
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rimeaddr_t addr;
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uint16_t rtmetric;
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struct collect_link_estimate le;
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};
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void collect_neighbor_init(void);
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/*void collect_neighbor_periodic(int max_time);*/
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void collect_neighbor_add(const rimeaddr_t *addr, uint8_t rtmetric);
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void collect_neighbor_remove(const rimeaddr_t *addr);
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void collect_neighbor_update_rtmetric(struct collect_neighbor *n, uint8_t rtmetric);
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struct collect_neighbor *collect_neighbor_find(const rimeaddr_t *addr);
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struct collect_neighbor *collect_neighbor_best(void);
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void collect_neighbor_set_lifetime(int seconds);
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void collect_neighbor_tx(struct collect_neighbor *n, uint8_t num_tx);
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void collect_neighbor_rx(struct collect_neighbor *n);
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void collect_neighbor_timedout(struct collect_neighbor *n, uint8_t num_tx);
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int collect_neighbor_link_estimate(struct collect_neighbor *n);
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int collect_neighbor_rtmetric(struct collect_neighbor *n);
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int collect_neighbor_num(void);
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struct collect_neighbor *collect_neighbor_get(int num);
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void collect_neighbor_purge(void);
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#endif /* __COLLECT_NEIGHBOR_H__ */
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/** @} */
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/** @} */
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