contiki/apps/shell/shell-rime-debug-runicast.c

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/*
* Copyright (c) 2008, 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.
*
*/
/**
* \file
* Debugging command for testing reliable unicast (runicast)
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "contiki-conf.h"
#include "shell-rime-debug.h"
#include "dev/leds.h"
#include "lib/random.h"
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#include "net/rime/rime.h"
#include "net/rime/route.h"
#include "net/rime/trickle.h"
#include "net/rime/timesynch.h"
#include <stdio.h>
#ifndef HAVE_SNPRINTF
int snprintf(char *str, size_t size, const char *format, ...);
#endif /* HAVE_SNPRINTF */
#include <string.h>
#define COLLECT_MSG_HDRSIZE 2
struct collect_msg {
uint16_t timestamp;
uint8_t data[1];
};
static struct runicast_conn ruc;
/*---------------------------------------------------------------------------*/
PROCESS(shell_runicast_process, "runicast");
SHELL_COMMAND(runicast_command,
"runicast",
"runicast <node addr>: reliably unicast data to specific neighbor",
&shell_runicast_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_runicast_process, ev, data)
{
struct shell_input *input;
static linkaddr_t receiver;
int len;
const char *nextptr;
struct collect_msg *msg;
char buf[30];
PROCESS_BEGIN();
receiver.u8[0] = shell_strtolong(data, &nextptr);
if(nextptr == data || *nextptr != '.') {
shell_output_str(&runicast_command,
"runicast <receiver>: recevier must be specified", "");
PROCESS_EXIT();
}
++nextptr;
receiver.u8[1] = shell_strtolong(nextptr, &nextptr);
snprintf(buf, sizeof(buf), "%d.%d", receiver.u8[0], receiver.u8[1]);
shell_output_str(&runicast_command, "Sending runicast packets to ", buf);
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
len = input->len1 + input->len2;
if(len == 0) {
PROCESS_EXIT();
}
if(len < PACKETBUF_SIZE) {
packetbuf_clear();
packetbuf_set_datalen(len + COLLECT_MSG_HDRSIZE);
msg = packetbuf_dataptr();
memcpy(msg->data, input->data1, input->len1);
memcpy(msg->data + input->len1, input->data2, input->len2);
#if TIMESYNCH_CONF_ENABLED
msg->timestamp = timesynch_time();
#else
msg->timestamp = 0;
#endif
/* printf("Sending %d bytes\n", len);*/
runicast_send(&ruc, &receiver, 4);
}
}
PROCESS_END();
}
static void
recv_ruc(struct runicast_conn *c, const linkaddr_t *from, uint8_t seqno)
{
struct collect_msg *msg;
rtimer_clock_t latency;
#if TIMESYNCH_CONF_ENABLED
rtimer_clock_t timestamp;
#endif /* TIMESYNCH_CONF_ENABLED */
msg = packetbuf_dataptr();
#if TIMESYNCH_CONF_ENABLED
memcpy(&timestamp, &msg->timestamp, sizeof(timestamp));
latency = timesynch_time() - timestamp;
#else
latency = 0;
#endif
printf("runicast message received from %d.%d, latency %lu ms, seqno %d, data '%.*s'\n",
from->u8[0], from->u8[1],
(1000L * latency) / RTIMER_ARCH_SECOND,
seqno,
packetbuf_datalen() - COLLECT_MSG_HDRSIZE,
msg->data);
}
static void
sent_ruc(struct runicast_conn *c, const linkaddr_t *to, uint8_t tx)
{
printf("runicast message sent to %d.%d, %d transmissions\n",
to->u8[0], to->u8[1],
tx);
}
static void
timedout_ruc(struct runicast_conn *c, const linkaddr_t *to, uint8_t tx)
{
printf("runicast message to %d.%d timed out after %d transmissions\n",
to->u8[0], to->u8[1],
tx);
}
static const struct runicast_callbacks runicast_callbacks = {recv_ruc,
sent_ruc,
timedout_ruc};
/*---------------------------------------------------------------------------*/
void
shell_rime_debug_runicast_init(void)
{
runicast_open(&ruc, SHELL_RIME_CHANNEL_RUNICAST,
&runicast_callbacks);
shell_register_command(&runicast_command);
}
/*---------------------------------------------------------------------------*/