157 lines
5 KiB
C
157 lines
5 KiB
C
/*
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* Copyright (c) 2008, 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: shell-rime-sniff.c,v 1.3 2009/03/12 21:58:20 adamdunkels Exp $
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*/
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/**
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* \file
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* Contiki shell Rime sniffer application
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "shell.h"
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#include "net/rime.h"
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static uint8_t sniff_for_attributes;
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/*---------------------------------------------------------------------------*/
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PROCESS(shell_sniff_process, "sniff");
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SHELL_COMMAND(sniff_command,
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"sniff",
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"sniff: dump incoming packets",
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&shell_sniff_process);
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/*---------------------------------------------------------------------------*/
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enum {
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SNIFFER_PACKET_INPUT,
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SNIFFER_PACKET_OUTPUT,
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SNIFFER_ATTRIBUTES_INPUT,
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SNIFFER_ATTRIBUTES_OUTPUT,
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};
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/*---------------------------------------------------------------------------*/
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struct sniff_attributes_blob {
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uint16_t len;
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uint16_t type;
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uint16_t rssi;
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uint16_t lqi;
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uint16_t timestamp;
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uint16_t listen_time;
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uint16_t transmit_time;
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uint16_t channel;
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rimeaddr_t src, dest;
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};
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struct sniff_packet_blob {
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uint16_t len;
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uint16_t type;
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};
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/*---------------------------------------------------------------------------*/
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static void
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sniff_attributes_output(int type)
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{
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struct sniff_attributes_blob msg;
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msg.len = 10;
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msg.type = type;
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msg.rssi = packetbuf_attr(PACKETBUF_ATTR_RSSI);
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msg.lqi = packetbuf_attr(PACKETBUF_ATTR_LINK_QUALITY);
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msg.timestamp = packetbuf_attr(PACKETBUF_ATTR_TIMESTAMP);
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msg.listen_time = packetbuf_attr(PACKETBUF_ATTR_LISTEN_TIME);
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msg.transmit_time = packetbuf_attr(PACKETBUF_ATTR_TRANSMIT_TIME);
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msg.channel = packetbuf_attr(PACKETBUF_ATTR_CHANNEL);
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rimeaddr_copy(&msg.src, packetbuf_addr(PACKETBUF_ADDR_SENDER));
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rimeaddr_copy(&msg.dest, packetbuf_addr(PACKETBUF_ADDR_RECEIVER));
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shell_output(&sniff_command, &msg, sizeof(msg), NULL, 0);
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}
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/*---------------------------------------------------------------------------*/
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static void
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sniff_packet_output(int type)
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{
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struct sniff_packet_blob msg;
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msg.len = packetbuf_totlen() / 2 + 1;
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msg.type = type;
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shell_output(&sniff_command, &msg, sizeof(msg),
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packetbuf_dataptr(), (packetbuf_datalen() & 0xfffe) +
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2 * (packetbuf_totlen() & 1));
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}
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/*---------------------------------------------------------------------------*/
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static void
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input_sniffer(void)
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{
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if(sniff_for_attributes) {
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sniff_attributes_output(SNIFFER_ATTRIBUTES_INPUT);
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} else {
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sniff_packet_output(SNIFFER_PACKET_INPUT);
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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output_sniffer(void)
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{
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if(sniff_for_attributes) {
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sniff_attributes_output(SNIFFER_ATTRIBUTES_OUTPUT);
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} else {
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sniff_packet_output(SNIFFER_PACKET_OUTPUT);
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}
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_sniff_process, ev, data)
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{
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RIME_SNIFFER(s, input_sniffer, output_sniffer);
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PROCESS_EXITHANDLER(goto exit;);
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PROCESS_BEGIN();
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sniff_for_attributes = 0;
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if(data != NULL) {
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char *arg = data;
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if(arg[0] == '-' &&
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arg[1] == 'a') {
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sniff_for_attributes = 1;
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}
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}
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rime_sniffer_add(&s);
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PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
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exit:
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rime_sniffer_remove(&s);
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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void
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shell_rime_sniff_init(void)
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{
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shell_register_command(&sniff_command);
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}
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/*---------------------------------------------------------------------------*/
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