147 lines
4.1 KiB
C
147 lines
4.1 KiB
C
/*
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* Copyright (c) 2007, 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: chameleon.c,v 1.2 2008/02/27 10:39:17 fros4943 Exp $
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*/
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/**
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* \file
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* Chameleon, Rime's header processing module
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "net/rime/chameleon.h"
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#include "net/rime/channel.h"
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#include "net/rime.h"
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#include "lib/list.h"
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#include <stdio.h>
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static const struct chameleon_module *header_module;
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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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/*---------------------------------------------------------------------------*/
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void
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chameleon_init(const struct chameleon_module *m)
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{
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header_module = m;
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channel_init();
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}
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/*---------------------------------------------------------------------------*/
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static void
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printbin(int n, int digits)
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{
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int i;
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char output[128];
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for(i = 0; i < digits; ++i) {
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output[digits - i - 1] = (n & 1) + '0';
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n >>= 1;
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}
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output[i] = 0;
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printf(output);
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}
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static void
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printhdr(uint8_t *hdr, int len)
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{
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int i, j;
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j = 0;
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for(i = 0; i < len; ++i) {
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printbin(hdr[i], 8);
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printf(" (0x%0x), ", hdr[i]);
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++j;
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if(j == 10) {
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printf("\n");
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j = 0;
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}
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}
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if(j != 0) {
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printf("\n");
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}
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}
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/*---------------------------------------------------------------------------*/
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void
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chameleon_input(void)
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{
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struct channel *c;
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PRINTF("%d.%d: chameleon_input\n",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1]);
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/*printhdr(rimebuf_dataptr(), rimebuf_datalen());*/
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c = header_module->input();
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if(c != NULL) {
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PRINTF("%d.%d: chameleon_input channel %d\n",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
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c->channelno);
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abc_input(c);
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} else {
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PRINTF("%d.%d: chameleon_input channel not found for incoming packet\n",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1]);
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}
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}
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/*---------------------------------------------------------------------------*/
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int
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chameleon_output(struct channel *c)
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{
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int ret;
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PRINTF("%d.%d: chameleon_output channel %d\n",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
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c->channelno);
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ret = header_module->output(c);
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rimebuf_set_attr(RIMEBUF_ATTR_CHANNEL, c->channelno);
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/*printhdr(rimebuf_hdrptr(), rimebuf_hdrlen());*/
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if(ret) {
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rime_output();
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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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int
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chameleon_hdrsize(const struct rimebuf_attrlist attrlist[])
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{
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return header_module->hdrsize(attrlist);
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}
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/*---------------------------------------------------------------------------*/
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