142 lines
4.3 KiB
C
142 lines
4.3 KiB
C
/*
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* Copyright (c) 2018, RISE SICS.
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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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*/
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/**
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* \addtogroup deployment
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* @{
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*/
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/**
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* \file
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* Code managing id<->mac address<->IPv6 address mapping, and doing this
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* for different deployment scenarios: Cooja, Nodes, Indriya or Twist testbeds
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*
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* \author Simon Duquennoy <simonduq@sics.se>
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*/
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#include "contiki.h"
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#include "contiki-net.h"
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#include "deployment.h"
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#include "sys/node-id.h"
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#include <string.h>
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#include <stdio.h>
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/**
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* \brief List of ID<->MAC mapping used for different deployments
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*/
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extern const struct id_mac DEPLOYMENT_MAPPING[];
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/**
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* \brief The number of nodes in the deployment
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*/
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static int node_count = 0;
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/*---------------------------------------------------------------------------*/
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void
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deployment_init(void)
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{
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const struct id_mac *curr = DEPLOYMENT_MAPPING;
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/* Initialize node_id */
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node_id = deployment_id_from_lladdr((const linkaddr_t *)&linkaddr_node_addr);
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/* Count nodes */
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node_count = 0;
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while(curr->id != 0) {
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node_count++;
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curr++;
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}
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}
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/*---------------------------------------------------------------------------*/
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int
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deployment_node_count(void)
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{
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return node_count;
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}
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/*---------------------------------------------------------------------------*/
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uint16_t
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deployment_id_from_lladdr(const linkaddr_t *lladdr)
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{
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const struct id_mac *curr = DEPLOYMENT_MAPPING;
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if(lladdr == NULL) {
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return 0;
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}
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while(curr->id != 0) {
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/* Assume network-wide unique 16-bit MAC addresses */
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if(linkaddr_cmp(lladdr, &curr->mac)) {
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return curr->id;
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}
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curr++;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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void
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deployment_lladdr_from_id(linkaddr_t *lladdr, uint16_t id)
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{
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const struct id_mac *curr = DEPLOYMENT_MAPPING;
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if(id == 0 || lladdr == NULL) {
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return;
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}
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while(curr->id != 0) {
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if(curr->id == id) {
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linkaddr_copy(lladdr, &curr->mac);
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return;
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}
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curr++;
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}
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}
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/*---------------------------------------------------------------------------*/
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uint16_t
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deployment_id_from_iid(const uip_ipaddr_t *ipaddr)
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{
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const linkaddr_t lladdr;
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uip_ds6_set_lladdr_from_iid((uip_lladdr_t *)&lladdr, ipaddr);
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return deployment_id_from_lladdr(&lladdr);
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}
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/*---------------------------------------------------------------------------*/
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void
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deployment_iid_from_id(uip_ipaddr_t *ipaddr, uint16_t id)
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{
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linkaddr_t lladdr;
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deployment_lladdr_from_id(&lladdr, id);
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uip_ds6_set_addr_iid(ipaddr, (uip_lladdr_t *)&lladdr);
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}
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/*---------------------------------------------------------------------------*/
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uint16_t
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deployment_id_from_index(uint16_t index)
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{
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if(index < deployment_node_count()) {
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return DEPLOYMENT_MAPPING[index].id;
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} else {
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return 0;
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}
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}
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/*---------------------------------------------------------------------------*/
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/** @} */
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