199 lines
6.2 KiB
C
199 lines
6.2 KiB
C
/**
|
|
* \addtogroup rime
|
|
* @{
|
|
*/
|
|
|
|
/*
|
|
* 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: rime.c,v 1.31 2010/10/03 20:10:22 adamdunkels Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Rime initialization and common code
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#define DEBUG 0
|
|
#if DEBUG
|
|
#include <stdio.h>
|
|
#define PRINTF(...) printf(__VA_ARGS__)
|
|
#else
|
|
#define PRINTF(...)
|
|
#endif
|
|
|
|
#include "net/netstack.h"
|
|
#include "net/rime.h"
|
|
#include "net/rime/chameleon.h"
|
|
#include "net/rime/route.h"
|
|
#include "net/rime/announcement.h"
|
|
#include "net/rime/broadcast-announcement.h"
|
|
#include "net/mac/mac.h"
|
|
|
|
#include "lib/list.h"
|
|
|
|
const struct mac_driver *rime_mac;
|
|
|
|
#ifdef RIME_CONF_BROADCAST_ANNOUNCEMENT_CHANNEL
|
|
#define BROADCAST_ANNOUNCEMENT_CHANNEL RIME_CONF_BROADCAST_ANNOUNCEMENT_CHANNEL
|
|
#else /* RIME_CONF_BROADCAST_ANNOUNCEMENT_CHANNEL */
|
|
#define BROADCAST_ANNOUNCEMENT_CHANNEL 2
|
|
#endif /* RIME_CONF_BROADCAST_ANNOUNCEMENT_CHANNEL */
|
|
|
|
#ifdef RIME_CONF_BROADCAST_ANNOUNCEMENT_BUMP_TIME
|
|
#define BROADCAST_ANNOUNCEMENT_BUMP_TIME RIME_CONF_BROADCAST_ANNOUNCEMENT_BUMP_TIME
|
|
#else /* RIME_CONF_BROADCAST_ANNOUNCEMENT_BUMP_TIME */
|
|
#define BROADCAST_ANNOUNCEMENT_BUMP_TIME CLOCK_SECOND * 32 / NETSTACK_CONF_RDC_CHANNEL_CHECK_RATE
|
|
#endif /* RIME_CONF_BROADCAST_ANNOUNCEMENT_BUMP_TIME */
|
|
|
|
#ifdef RIME_CONF_BROADCAST_ANNOUNCEMENT_MIN_TIME
|
|
#define BROADCAST_ANNOUNCEMENT_MIN_TIME RIME_CONF_BROADCAST_ANNOUNCEMENT_MIN_TIME
|
|
#else /* RIME_CONF_BROADCAST_ANNOUNCEMENT_MIN_TIME */
|
|
#define BROADCAST_ANNOUNCEMENT_MIN_TIME CLOCK_SECOND * 60
|
|
#endif /* RIME_CONF_BROADCAST_ANNOUNCEMENT_MIN_TIME */
|
|
|
|
#ifdef RIME_CONF_BROADCAST_ANNOUNCEMENT_MAX_TIME
|
|
#define BROADCAST_ANNOUNCEMENT_MAX_TIME RIME_CONF_BROADCAST_ANNOUNCEMENT_MAX_TIME
|
|
#else /* RIME_CONF_BROADCAST_ANNOUNCEMENT_MAX_TIME */
|
|
#define BROADCAST_ANNOUNCEMENT_MAX_TIME CLOCK_SECOND * 3600UL
|
|
#endif /* RIME_CONF_BROADCAST_ANNOUNCEMENT_MAX_TIME */
|
|
|
|
|
|
LIST(sniffers);
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
rime_sniffer_add(struct rime_sniffer *s)
|
|
{
|
|
list_add(sniffers, s);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
rime_sniffer_remove(struct rime_sniffer *s)
|
|
{
|
|
list_remove(sniffers, s);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
input(void)
|
|
{
|
|
struct rime_sniffer *s;
|
|
struct channel *c;
|
|
|
|
RIMESTATS_ADD(rx);
|
|
c = chameleon_parse();
|
|
|
|
for(s = list_head(sniffers); s != NULL; s = list_item_next(s)) {
|
|
if(s->input_callback != NULL) {
|
|
s->input_callback();
|
|
}
|
|
}
|
|
|
|
if(c != NULL) {
|
|
abc_input(c);
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
init(void)
|
|
{
|
|
queuebuf_init();
|
|
packetbuf_clear();
|
|
announcement_init();
|
|
|
|
rime_mac = &NETSTACK_MAC;
|
|
chameleon_init();
|
|
|
|
/* XXX This is initializes the transmission of announcements but it
|
|
* is not currently certain where this initialization is supposed to
|
|
* be. Also, the times are arbitrarily set for now. They should
|
|
* either be configurable, or derived from some MAC layer property
|
|
* (duty cycle, sleep time, or something similar). But this is OK
|
|
* for now, and should at least get us started with experimenting
|
|
* with announcements.
|
|
*/
|
|
broadcast_announcement_init(BROADCAST_ANNOUNCEMENT_CHANNEL,
|
|
BROADCAST_ANNOUNCEMENT_BUMP_TIME,
|
|
BROADCAST_ANNOUNCEMENT_MIN_TIME,
|
|
BROADCAST_ANNOUNCEMENT_MAX_TIME);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
packet_sent(void *ptr, int status, int num_tx)
|
|
{
|
|
struct channel *c = ptr;
|
|
struct rime_sniffer *s;
|
|
|
|
switch(status) {
|
|
case MAC_TX_COLLISION:
|
|
PRINTF("rime: collision after %d tx\n", num_tx);
|
|
break;
|
|
case MAC_TX_NOACK:
|
|
PRINTF("rime: noack after %d tx\n", num_tx);
|
|
break;
|
|
case MAC_TX_OK:
|
|
PRINTF("rime: sent after %d tx\n", num_tx);
|
|
break;
|
|
default:
|
|
PRINTF("rime: error %d after %d tx\n", status, num_tx);
|
|
}
|
|
|
|
/* Call sniffers, pass along the MAC status code. */
|
|
for(s = list_head(sniffers); s != NULL; s = list_item_next(s)) {
|
|
if(s->output_callback != NULL) {
|
|
s->output_callback(status);
|
|
}
|
|
}
|
|
|
|
abc_sent(c, status, num_tx);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
rime_output(struct channel *c)
|
|
{
|
|
RIMESTATS_ADD(tx);
|
|
if(chameleon_create(c)) {
|
|
packetbuf_compact();
|
|
|
|
NETSTACK_MAC.send(packet_sent, c);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
const struct network_driver rime_driver = {
|
|
"Rime",
|
|
init,
|
|
input
|
|
};
|
|
/** @} */
|