mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-16 22:28:59 +00:00
172 lines
5.5 KiB
C
172 lines
5.5 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $Id: shell-rime-ping.c,v 1.9 2009/03/31 17:39:36 adamdunkels Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* The Contiki shell Rime ping application
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
|
|
#include "shell.h"
|
|
#include "net/rime.h"
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#ifndef HAVE_SNPRINTF
|
|
int snprintf(char *str, size_t size, const char *format, ...);
|
|
#endif /* HAVE_SNPRINTF */
|
|
|
|
struct rime_ping_msg {
|
|
rtimer_clock_t pingtime;
|
|
rtimer_clock_t pongtime;
|
|
};
|
|
|
|
static struct mesh_conn mesh;
|
|
static int waiting_for_pong = 0;
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(shell_rime_ping_process, "rime-ping");
|
|
SHELL_COMMAND(rime_ping_command,
|
|
"rime-ping",
|
|
"rime-ping <node addr>: send a message to a specific node and get a reply",
|
|
&shell_rime_ping_process);
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(shell_rime_ping_process, ev, data)
|
|
{
|
|
static int i;
|
|
static struct etimer timeout, periodic;
|
|
static rimeaddr_t receiver;
|
|
struct rime_ping_msg *ping;
|
|
const char *nextptr;
|
|
char buf[32];
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
receiver.u8[0] = shell_strtolong(data, &nextptr);
|
|
if(nextptr == data || *nextptr != '.') {
|
|
shell_output_str(&rime_ping_command,
|
|
"ping <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(&rime_ping_command, "Sending 4 pings to ", buf);
|
|
|
|
for(i = 0; i < 4; ++i) {
|
|
packetbuf_clear();
|
|
ping = packetbuf_dataptr();
|
|
packetbuf_set_datalen(sizeof(struct rime_ping_msg));
|
|
#if TIMESYNCH_CONF_ENABLED
|
|
ping->pingtime = timesynch_time();
|
|
#else
|
|
ping->pingtime = rtimer_arch_now();
|
|
#endif
|
|
mesh_send(&mesh, &receiver);
|
|
|
|
etimer_set(&timeout, CLOCK_SECOND * 8);
|
|
etimer_set(&periodic, CLOCK_SECOND * 1);
|
|
waiting_for_pong = 1;
|
|
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&timeout) ||
|
|
waiting_for_pong == 0);
|
|
if(waiting_for_pong == 0) {
|
|
PROCESS_WAIT_UNTIL(etimer_expired(&periodic));
|
|
} else {
|
|
shell_output_str(&rime_ping_command,
|
|
"Timed out", "");
|
|
}
|
|
waiting_for_pong = 0;
|
|
}
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
timedout_mesh(struct mesh_conn *c)
|
|
{
|
|
/* printf("packet timedout\n");*/
|
|
}
|
|
static void
|
|
sent_mesh(struct mesh_conn *c)
|
|
{
|
|
}
|
|
static void
|
|
recv_mesh(struct mesh_conn *c, const rimeaddr_t *from, u8_t hops)
|
|
{
|
|
struct rime_ping_msg ping;
|
|
char buf[64];
|
|
rtimer_clock_t pingrecvtime;
|
|
|
|
memcpy(&ping, packetbuf_dataptr(), sizeof(struct rime_ping_msg));
|
|
|
|
if(waiting_for_pong == 0) {
|
|
#if TIMESYNCH_CONF_ENABLED
|
|
ping.pongtime = timesynch_time();
|
|
#else
|
|
ping.pongtime = ping.pingtime;
|
|
#endif
|
|
memcpy(packetbuf_dataptr(), &ping, sizeof(struct rime_ping_msg));
|
|
mesh_send(&mesh, from);
|
|
} else {
|
|
#if TIMESYNCH_CONF_ENABLED
|
|
pingrecvtime = timesynch_time();
|
|
#else
|
|
pingrecvtime = rtimer_arch_now();
|
|
#endif
|
|
snprintf(buf, sizeof(buf), "%lu ms (%lu + %lu), %d hops.",
|
|
(1000L * (pingrecvtime - ping.pingtime)) / RTIMER_ARCH_SECOND,
|
|
(1000L * (ping.pongtime - ping.pingtime)) / RTIMER_ARCH_SECOND,
|
|
(1000L * (pingrecvtime - ping.pongtime)) / RTIMER_ARCH_SECOND,
|
|
hops);
|
|
|
|
shell_output_str(&rime_ping_command,
|
|
"Pong recived; rtt ", buf);
|
|
waiting_for_pong = 0;
|
|
process_post(&shell_rime_ping_process, PROCESS_EVENT_CONTINUE, NULL);
|
|
}
|
|
}
|
|
CC_CONST_FUNCTION static struct mesh_callbacks mesh_callbacks = { recv_mesh,
|
|
sent_mesh,
|
|
timedout_mesh };
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
shell_rime_ping_init(void)
|
|
{
|
|
mesh_open(&mesh, SHELL_RIME_CHANNEL_PING, &mesh_callbacks);
|
|
|
|
shell_register_command(&rime_ping_command);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|