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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [uIP_Demo_Rowley_ARM7/] [uip/] [telnetd-shell.c] - Blame information for rev 583

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Line No. Rev Author Line
1 583 jeremybenn
/**
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 * \addtogroup telnetd
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 * @{
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 */
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/**
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 * \file
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 * An example telnet server shell
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 * \author Adam Dunkels <adam@dunkels.com>
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 */
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/*
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 * Copyright (c) 2003, Adam Dunkels.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote
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 *    products derived from this software without specific prior
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 *    written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * This file is part of the Contiki desktop OS.
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 *
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 * $Id: telnetd-shell.c 2 2011-07-17 20:13:17Z filepang@gmail.com $
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 *
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 */
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#include "uip.h"
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#include "telnetd.h"
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#include <string.h>
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struct ptentry {
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  char c;
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  void (* pfunc)(struct telnetd_state *s, char *str);
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};
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/*-----------------------------------------------------------------------------------*/
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static void
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parse(struct telnetd_state *s, register char *str, struct ptentry *t)
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{
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  register struct ptentry *p;
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  char *sstr;
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  sstr = str;
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  /* Loop over the parse table entries in t in order to find one that
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     matches the first character in str. */
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  for(p = t; p->c != 0; ++p) {
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    if(*str == p->c) {
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      /* Skip rest of the characters up to the first space. */
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      while(*str != ' ') {
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        ++str;
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      }
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      /* Skip all spaces.*/
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      while(*str == ' ') {
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        ++str;
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      }
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      /* Call parse table entry function and return. */
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      p->pfunc(s, str);
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      return;
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    }
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  }
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  /* Did not find matching entry in parse table. We just call the
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     default handler supplied by the caller and return. */
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  p->pfunc(s, str);
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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exitt(struct telnetd_state *s, char *str)
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{
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  telnetd_close(s);
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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inttostr(register char *str, unsigned int i)
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{
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  str[0] = '0' + i / 100;
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  if(str[0] == '0') {
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    str[0] = ' ';
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  }
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  str[1] = '0' + (i / 10) % 10;
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  if(str[1] == '0') {
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    str[1] = ' ';
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  }
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  str[2] = '0' + i % 10;
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  str[3] = ' ';
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  str[4] = 0;
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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stats(struct telnetd_state *s, char *strr)
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{
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  char str[10];
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  inttostr(str, uip_stat.ip.recv);
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  telnetd_output(s, "IP packets received ", str);
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  inttostr(str, uip_stat.ip.sent);
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  telnetd_output(s, "IP packets sent ", str);
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  inttostr(str, uip_stat.ip.drop);
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  telnetd_output(s, "IP packets dropped ", str);
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  inttostr(str, uip_stat.icmp.recv);
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  telnetd_output(s, "ICMP packets received ", str);
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  inttostr(str, uip_stat.icmp.sent);
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  telnetd_output(s, "ICMP packets sent ", str);
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  inttostr(str, uip_stat.icmp.drop);
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  telnetd_output(s, "ICMP packets dropped ", str);
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  inttostr(str, uip_stat.tcp.recv);
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  telnetd_output(s, "TCP packets received ", str);
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  inttostr(str, uip_stat.tcp.sent);
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  telnetd_output(s, "TCP packets sent ", str);
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  inttostr(str, uip_stat.tcp.drop);
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  telnetd_output(s, "TCP packets dropped ", str);
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  inttostr(str, uip_stat.tcp.rexmit);
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  telnetd_output(s, "TCP packets retransmitted ", str);
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  inttostr(str, uip_stat.tcp.synrst);
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  telnetd_output(s, "TCP connection attempts ", str);
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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help(struct telnetd_state *s, char *str)
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{
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  telnetd_output(s, "Available commands:", "");
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  telnetd_output(s, "stats - show uIP statistics", "");
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  telnetd_output(s, "exit  - exit shell", "");
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  telnetd_output(s, "?     - show this help", "");
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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none(struct telnetd_state *s, char *str)
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{
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  if(strlen(str) > 0) {
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    telnetd_output(s, "Unknown command", "");
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  }
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}
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/*-----------------------------------------------------------------------------------*/
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static struct ptentry configparsetab[] =
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  {{'s', stats},
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   {'e', exitt},
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   {'?', help},
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   /* Default action */
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   {0, none}};
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/*-----------------------------------------------------------------------------------*/
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void
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telnetd_connected(struct telnetd_state *s)
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{
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  telnetd_output(s, "uIP command shell", "");
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  telnetd_output(s, "Type '?' for help", "");
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  telnetd_prompt(s, "uIP-0.9> ");
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}
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/*-----------------------------------------------------------------------------------*/
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void
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telnetd_input(struct telnetd_state *s, char *cmd)
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{
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  parse(s, cmd, configparsetab);
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  telnetd_prompt(s, "uIP-0.9> ");
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}
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/*-----------------------------------------------------------------------------------*/

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