142 lines
4.6 KiB
C
142 lines
4.6 KiB
C
/*
|
|
* Copyright (c) 2017, Inria.
|
|
* 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
|
|
* The Contiki shell commands
|
|
* \author
|
|
* Simon Duquennoy <simon.duquennoy@inria.fr>
|
|
*/
|
|
|
|
/**
|
|
* \addtogroup shell
|
|
* @{
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
#include "shell.h"
|
|
#include "shell-commands.h"
|
|
#include "net/ip/uip.h"
|
|
#include "net/ip/uiplib.h"
|
|
#include "net/ipv6/uip-icmp6.h"
|
|
|
|
#define PING_TIMEOUT (5 * CLOCK_SECOND)
|
|
|
|
static struct uip_icmp6_echo_reply_notification echo_reply_notification;
|
|
static shell_output_func *curr_ping_output_func = NULL;
|
|
static struct process *curr_ping_process;
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
echo_reply_handler(uip_ipaddr_t *source, uint8_t ttl, uint8_t *data, uint16_t datalen)
|
|
{
|
|
if(curr_ping_output_func != NULL) {
|
|
SHELL_OUTPUT(curr_ping_output_func, "Received ping reply from ");
|
|
shell_output_6addr(curr_ping_output_func, source);
|
|
SHELL_OUTPUT(curr_ping_output_func, ", ttl %u, len %u\n", ttl, datalen);
|
|
curr_ping_output_func = NULL;
|
|
process_poll(curr_ping_process);
|
|
}
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static
|
|
PT_THREAD(cmd_ping(struct pt *pt, shell_output_func output, const char *args))
|
|
{
|
|
static uip_ipaddr_t remote_addr;
|
|
static char *next_args;
|
|
static struct etimer timeout_timer;
|
|
|
|
PT_BEGIN(pt);
|
|
|
|
/* Isolate first argument */
|
|
next_args = strchr(args, ' ');
|
|
if(next_args != NULL) {
|
|
*next_args = '\0';
|
|
next_args++;
|
|
}
|
|
|
|
if(uiplib_ipaddrconv(args, &remote_addr) == 0) {
|
|
SHELL_OUTPUT(output, "Invalid IPv6: %s\n", args);
|
|
PT_EXIT(pt);
|
|
}
|
|
|
|
SHELL_OUTPUT(output, "Pinging ");
|
|
shell_output_6addr(output, &remote_addr);
|
|
SHELL_OUTPUT(output, "\n");
|
|
|
|
/* Send ping request */
|
|
curr_ping_process = PROCESS_CURRENT();
|
|
curr_ping_output_func = output;
|
|
etimer_set(&timeout_timer, PING_TIMEOUT);
|
|
uip_icmp6_send(&remote_addr, ICMP6_ECHO_REQUEST, 0, 4);
|
|
PT_WAIT_UNTIL(pt, curr_ping_output_func == NULL || etimer_expired(&timeout_timer));
|
|
|
|
if(curr_ping_output_func != NULL) {
|
|
SHELL_OUTPUT(output, "Timeout\n");
|
|
curr_ping_output_func = NULL;
|
|
}
|
|
|
|
PT_END(pt);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
static
|
|
PT_THREAD(cmd_help(struct pt *pt, shell_output_func output, const char *args))
|
|
{
|
|
PT_BEGIN(pt);
|
|
|
|
struct shell_command_t *cmd_ptr = shell_commands;
|
|
|
|
SHELL_OUTPUT(output, "Available commands:\n");
|
|
while(cmd_ptr->name != NULL) {
|
|
SHELL_OUTPUT(output, "%s\n", cmd_ptr->help);
|
|
cmd_ptr++;
|
|
}
|
|
|
|
PT_END(pt);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
shell_commands_init(void)
|
|
{
|
|
/* Set up Ping Reply callback */
|
|
uip_icmp6_echo_reply_callback_add(&echo_reply_notification,
|
|
echo_reply_handler);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
struct shell_command_t shell_commands[] = {
|
|
{ "help", cmd_help, "'> help': Shows this help" },
|
|
{ "ping", cmd_ping, "'> ping addr': Pings the IPv6 address 'addr'" },
|
|
{ NULL, NULL, NULL },
|
|
};
|
|
|
|
/** @} */
|