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Add FreeRTOS-Plus directory.
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Richard Barry
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6798 changed files with 134949 additions and 19 deletions
181
FreeRTOS/Demo/uIP_Demo_Rowley_ARM7/uip/telnetd-shell.c
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181
FreeRTOS/Demo/uIP_Demo_Rowley_ARM7/uip/telnetd-shell.c
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/**
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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,v 1.1.2.1 2003/10/06 22:56:22 adam Exp $
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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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