contiki/apps/shell/shell-netstat.c

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/*
* Copyright (c) 2004, Adam Dunkels.
* 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.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include <string.h>
#include <stddef.h>
#include <stdio.h>
#include "contiki.h"
#include "shell.h"
#include "contiki-net.h"
static const char closed[] = /* "CLOSED",*/
{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
static const char syn_rcvd[] = /* "SYN-RCVD",*/
{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56,
0x44, 0};
static const char syn_sent[] = /* "SYN-SENT",*/
{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e,
0x54, 0};
static const char established[] = /* "ESTABLISHED",*/
{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49,
0x53, 0x48, 0x45, 0x44, 0};
static const char fin_wait_1[] = /* "FIN-WAIT-1",*/
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
0x54, 0x2d, 0x31, 0};
static const char fin_wait_2[] = /* "FIN-WAIT-2",*/
{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
0x54, 0x2d, 0x32, 0};
static const char closing[] = /* "CLOSING",*/
{0x43, 0x4c, 0x4f, 0x53, 0x49,
0x4e, 0x47, 0};
static const char time_wait[] = /* "TIME-WAIT,"*/
{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41,
0x49, 0x54, 0};
static const char last_ack[] = /* "LAST-ACK"*/
{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43,
0x4b, 0};
static const char none[] = /* "NONE"*/
{0x4e, 0x4f, 0x4e, 0x45, 0};
static const char running[] = /* "RUNNING"*/
{0x52, 0x55, 0x4e, 0x4e, 0x49, 0x4e, 0x47,
0};
static const char called[] = /* "CALLED"*/
{0x43, 0x41, 0x4c, 0x4c, 0x45, 0x44, 0};
static const char file_name[] = /* "file-stats"*/
{0x66, 0x69, 0x6c, 0x65, 0x2d, 0x73, 0x74,
0x61, 0x74, 0x73, 0};
static const char tcp_name[] = /* "tcp-connections"*/
{0x74, 0x63, 0x70, 0x2d, 0x63, 0x6f, 0x6e,
0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e,
0x73, 0};
static const char proc_name[] = /* "processes"*/
{0x70, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73,
0x65, 0x73, 0};
static const char *states[] = {
closed,
syn_rcvd,
syn_sent,
established,
fin_wait_1,
fin_wait_2,
closing,
time_wait,
last_ack,
none,
running,
called};
#define BUFLEN 100
/*---------------------------------------------------------------------------*/
PROCESS(shell_netstat_process, "netstat");
SHELL_COMMAND(netstat_command,
"netstat",
"netstat: show UDP and TCP connections",
&shell_netstat_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_netstat_process, ev, data)
{
char buf[BUFLEN];
int i;
struct uip_conn *conn;
PROCESS_BEGIN();
for(i = 0; i < UIP_CONNS; ++i) {
conn = &uip_conns[i];
snprintf(buf, BUFLEN,
"%d, %u.%u.%u.%u:%u, %s, %u, %u, %c %c",
uip_htons(conn->lport),
conn->ripaddr.u8[0],
conn->ripaddr.u8[1],
conn->ripaddr.u8[2],
conn->ripaddr.u8[3],
uip_htons(conn->rport),
states[conn->tcpstateflags & UIP_TS_MASK],
conn->nrtx,
conn->timer,
(uip_outstanding(conn))? '*':' ',
(uip_stopped(conn))? '!':' ');
shell_output_str(&netstat_command, "TCP ", buf);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
shell_netstat_init(void)
{
shell_register_command(&netstat_command);
}
/*---------------------------------------------------------------------------*/