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Added neighborhood discovery module

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adamdunkels 2007-11-13 21:01:54 +00:00
parent 1386b8ae8f
commit 0a7f35d62c
3 changed files with 230 additions and 1 deletions
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2
core/net/rime/Makefile.rime
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@ -1,6 +1,6 @@
CONTIKI_SOURCEFILES += rimebuf.c queuebuf.c rimeaddr.c ctimer.c rime.c \
rimestats.c ibc.c uc.c suc.c ruc.c sibc.c sabc.c abc.c nf.c \
mh.c rmh.c rucb.c polite.c ipolite.c \
mh.c rmh.c rucb.c polite.c ipolite.c nbh.c \
mesh.c route.c route-discovery.c \
tree.c neighbor.c \
trickle.c \

163
core/net/rime/nbh.c Normal file
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@ -0,0 +1,163 @@
/**
* \addtogroup rimenbh
* @{
*/
/*
* 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.
*
* $Id: nbh.c,v 1.1 2007/11/13 21:01:54 adamdunkels Exp $
*/
/**
* \file
* Neighborhood discovery
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "net/rime.h"
#include "net/rime/neighbor.h"
#include "net/rime/nf.h"
#include "net/rime/nbh.h"
#include "dev/radio-sensor.h"
#if NETSIM
#include "ether.h"
#endif
#include <string.h>
#include <stdio.h>
#include <stddef.h>
struct adv_msg {
u16_t val;
};
#define SINK 0
#define HOPCOUNT_MAX TREE_MAX_DEPTH
#define MAX_HOPLIM 10
#define MAX_INTERVAL CLOCK_SECOND * 20
#define MIN_INTERVAL CLOCK_SECOND * 10
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*---------------------------------------------------------------------------*/
static void
send_adv(struct nbh_conn *c, clock_time_t interval)
{
struct adv_msg *hdr;
rimebuf_clear();
rimebuf_set_datalen(sizeof(struct adv_msg));
hdr = rimebuf_dataptr();
hdr->val = c->val;
ibc_send(&c->c);
if(c->u->sent) {
c->u->sent(c);
}
}
/*---------------------------------------------------------------------------*/
static void
adv_packet_received(struct ibc_conn *ibc, rimeaddr_t *from)
{
struct nbh_conn *c = (struct nbh_conn *)ibc;
struct adv_msg *msg = rimebuf_dataptr();
struct neighbor *n;
PRINTF("%d.%d: adv_packet_received from %d.%d with val %d\n",
rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1],
from->u8[0], from->u8[1], msg->val);
/* n = neighbor_find(from); */
/* if(n == NULL) { */
/* neighbor_add(from, msg->val, radio_sensor.value(1)); */
/* } else { */
/* neighbor_update(n, msg->val, radio_sensor.value(1)); */
/* PRINTF("%d.%d: updating neighbor %d.%d, radio sensor %d, hops %d\n", */
/* rimeaddr_node_addr.u8[0], rimeaddr_node_addr.u8[1], */
/* n->addr.u8[0], n->addr.u8[1], */
/* radio_sensor.value(1), msg->val); */
/* } */
if(c->u->recv) {
c->u->recv(c, from, msg->val);
}
}
/*---------------------------------------------------------------------------*/
static void
send_timer(void *ptr)
{
struct nbh_conn *tc = ptr;
send_adv(tc, MAX_INTERVAL / 2);
ctimer_set(&tc->t,
MIN_INTERVAL + random_rand() % (MAX_INTERVAL - MIN_INTERVAL),
send_timer, tc);
}
/*---------------------------------------------------------------------------*/
static const struct ibc_callbacks ibc_callbacks =
{adv_packet_received};
/*---------------------------------------------------------------------------*/
void
nbh_open(struct nbh_conn *c, u16_t channel,
const struct nbh_callbacks *cb)
{
ibc_open(&c->c, channel, &ibc_callbacks);
c->u = cb;
}
/*---------------------------------------------------------------------------*/
void
nbh_close(struct nbh_conn *c)
{
ibc_close(&c->c);
ctimer_stop(&c->t);
}
/*---------------------------------------------------------------------------*/
void
nbh_start(struct nbh_conn *c, u16_t val)
{
c->val = val;
ctimer_set(&c->t, random_rand() % MIN_INTERVAL, send_timer, c);
}
/*---------------------------------------------------------------------------*/
/** @} */

66
core/net/rime/nbh.h Normal file
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@ -0,0 +1,66 @@
/*
* 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.
*
* $Id: nbh.h,v 1.1 2007/11/13 21:01:54 adamdunkels Exp $
*/
/**
* \file
* Neighborhood discovery header file
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __NBH_H__
#define __NBH_H__
#include "net/rime/ibc.h"
struct nbh_conn;
struct nbh_callbacks {
int (* recv)(struct nbh_conn *c, rimeaddr_t *from, uint16_t val);
void (* sent)(struct nbh_conn *c);
};
struct nbh_conn {
struct ibc_conn c;
const struct nbh_callbacks *u;
struct ctimer t;
uint16_t val;
};
void nbh_open(struct nbh_conn *c, uint16_t channel,
const struct nbh_callbacks *u);
void nbh_close(struct nbh_conn *c);
void nbh_start(struct nbh_conn *c, uint16_t val);
#endif /* __NBH_H__ */