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