apps/shell/shell-netstat.c

   1 /*
   2  * Copyright (c) 2004, Adam Dunkels.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the Institute nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * This file is part of the Contiki operating system.
  30  *
  31  * Author: Adam Dunkels <adam@sics.se>
  32  *
  33  * $Id: shell-netstat.c,v 1.1 2009/05/10 21:02:24 adamdunkels Exp $
  34  */
  35
  36 #include <string.h>
  37 #include <stddef.h>
  38 #include <stdio.h>
  39
  40 #include "contiki.h"
  41 #include "shell.h"
  42 #include "contiki-net.h"
  43
  44 static const char closed[] =   /*  "CLOSED",*/
  45 {0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
  46 static const char syn_rcvd[] = /*  "SYN-RCVD",*/
  47 {0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56,
  48  0x44,  0};
  49 static const char syn_sent[] = /*  "SYN-SENT",*/
  50 {0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e,
  51  0x54,  0};
  52 static const char established[] = /*  "ESTABLISHED",*/
  53 {0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49,
  54  0x53, 0x48, 0x45, 0x44, 0};
  55 static const char fin_wait_1[] = /*  "FIN-WAIT-1",*/
  56 {0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
  57  0x54, 0x2d, 0x31, 0};
  58 static const char fin_wait_2[] = /*  "FIN-WAIT-2",*/
  59 {0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
  60  0x54, 0x2d, 0x32, 0};
  61 static const char closing[] = /*  "CLOSING",*/
  62 {0x43, 0x4c, 0x4f, 0x53, 0x49,
  63  0x4e, 0x47, 0};
  64 static const char time_wait[] = /*  "TIME-WAIT,"*/
  65 {0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41,
  66  0x49, 0x54, 0};
  67 static const char last_ack[] = /*  "LAST-ACK"*/
  68 {0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43,
  69  0x4b, 0};
  70 static const char none[] = /*  "NONE"*/
  71 {0x4e, 0x4f, 0x4e, 0x45, 0};
  72 static const char running[] = /*  "RUNNING"*/
  73 {0x52, 0x55, 0x4e, 0x4e, 0x49, 0x4e, 0x47,
  74  0};
  75 static const char called[] = /*  "CALLED"*/
  76 {0x43, 0x41, 0x4c, 0x4c, 0x45, 0x44, 0};
  77 static const char file_name[] = /*  "file-stats"*/
  78 {0x66, 0x69, 0x6c, 0x65, 0x2d, 0x73, 0x74,
  79  0x61, 0x74, 0x73, 0};
  80 static const char tcp_name[] = /*  "tcp-connections"*/
  81 {0x74, 0x63, 0x70, 0x2d, 0x63, 0x6f, 0x6e,
  82  0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e,
  83  0x73, 0};
  84 static const char proc_name[] = /*  "processes"*/
  85 {0x70, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73,
  86  0x65, 0x73, 0};
  87
  88 static const char *states[] = {
  89   closed,
  90   syn_rcvd,
  91   syn_sent,
  92   established,
  93   fin_wait_1,
  94   fin_wait_2,
  95   closing,
  96   time_wait,
  97   last_ack,
  98   none,
  99   running,
 100   called};
 101
 102 #define BUFLEN 100
 103
 104 /*---------------------------------------------------------------------------*/
 105 PROCESS(shell_netstat_process, "netstat");
 106 SHELL_COMMAND(netstat_command,
 107               "netstat",
 108               "netstat: show UDP and TCP connections",
 109               &shell_netstat_process);
 110 /*---------------------------------------------------------------------------*/
 111 PROCESS_THREAD(shell_netstat_process, ev, data)
 112 {
 113   char buf[BUFLEN];
 114   int i;
 115   struct uip_conn *conn;
 116   PROCESS_BEGIN();
 117
 118   for(i = 0; i < UIP_CONNS; ++i) {
 119     conn = &uip_conns[i];
 120     snprintf(buf, BUFLEN,
 121              "%d, %u.%u.%u.%u:%u, %s, %u, %u, %c %c",
 122              htons(conn->lport),
 123              conn->ripaddr.u8[0],
 124              conn->ripaddr.u8[1],
 125              conn->ripaddr.u8[2],
 126              conn->ripaddr.u8[3],
 127              htons(conn->rport),
 128              states[conn->tcpstateflags & UIP_TS_MASK],
 129              conn->nrtx,
 130              conn->timer,
 131              (uip_outstanding(conn))? '*':' ',
 132              (uip_stopped(conn))? '!':' ');
 133     shell_output_str(&netstat_command, "TCP ", buf);
 134   }
 135   PROCESS_END();
 136 }
 137 /*---------------------------------------------------------------------------*/
 138 void
 139 shell_netstat_init(void)
 140 {
 141   shell_register_command(&netstat_command);
 142 }
 143 /*---------------------------------------------------------------------------*/