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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [uIP_Demo_IAR_ARM7/] [uip/] [telnetd-shell.c] - Rev 608
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/** * \addtogroup telnetd * @{ */ /** * \file * An example telnet server shell * \author Adam Dunkels <adam@dunkels.com> */ /* * Copyright (c) 2003, 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. The name of the author may not be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 desktop OS. * * $Id: telnetd-shell.c 2 2011-07-17 20:13:17Z filepang@gmail.com $ * */ #include "uip.h" #include "telnetd.h" #include <string.h> struct ptentry { char c; void (* pfunc)(struct telnetd_state *s, char *str); }; /*-----------------------------------------------------------------------------------*/ static void parse(struct telnetd_state *s, register char *str, struct ptentry *t) { register struct ptentry *p; char *sstr; sstr = str; /* Loop over the parse table entries in t in order to find one that matches the first character in str. */ for(p = t; p->c != 0; ++p) { if(*str == p->c) { /* Skip rest of the characters up to the first space. */ while(*str != ' ') { ++str; } /* Skip all spaces.*/ while(*str == ' ') { ++str; } /* Call parse table entry function and return. */ p->pfunc(s, str); return; } } /* Did not find matching entry in parse table. We just call the default handler supplied by the caller and return. */ p->pfunc(s, str); } /*-----------------------------------------------------------------------------------*/ static void exitt(struct telnetd_state *s, char *str) { telnetd_close(s); } /*-----------------------------------------------------------------------------------*/ static void inttostr(register char *str, unsigned int i) { str[0] = '0' + i / 100; if(str[0] == '0') { str[0] = ' '; } str[1] = '0' + (i / 10) % 10; if(str[1] == '0') { str[1] = ' '; } str[2] = '0' + i % 10; str[3] = ' '; str[4] = 0; } /*-----------------------------------------------------------------------------------*/ static void stats(struct telnetd_state *s, char *strr) { char str[10]; inttostr(str, uip_stat.ip.recv); telnetd_output(s, "IP packets received ", str); inttostr(str, uip_stat.ip.sent); telnetd_output(s, "IP packets sent ", str); inttostr(str, uip_stat.ip.drop); telnetd_output(s, "IP packets dropped ", str); inttostr(str, uip_stat.icmp.recv); telnetd_output(s, "ICMP packets received ", str); inttostr(str, uip_stat.icmp.sent); telnetd_output(s, "ICMP packets sent ", str); inttostr(str, uip_stat.icmp.drop); telnetd_output(s, "ICMP packets dropped ", str); inttostr(str, uip_stat.tcp.recv); telnetd_output(s, "TCP packets received ", str); inttostr(str, uip_stat.tcp.sent); telnetd_output(s, "TCP packets sent ", str); inttostr(str, uip_stat.tcp.drop); telnetd_output(s, "TCP packets dropped ", str); inttostr(str, uip_stat.tcp.rexmit); telnetd_output(s, "TCP packets retransmitted ", str); inttostr(str, uip_stat.tcp.synrst); telnetd_output(s, "TCP connection attempts ", str); } /*-----------------------------------------------------------------------------------*/ static void help(struct telnetd_state *s, char *str) { telnetd_output(s, "Available commands:", ""); telnetd_output(s, "stats - show uIP statistics", ""); telnetd_output(s, "exit - exit shell", ""); telnetd_output(s, "? - show this help", ""); } /*-----------------------------------------------------------------------------------*/ static void none(struct telnetd_state *s, char *str) { if(strlen(str) > 0) { telnetd_output(s, "Unknown command", ""); } } /*-----------------------------------------------------------------------------------*/ static struct ptentry configparsetab[] = {{'s', stats}, {'e', exitt}, {'?', help}, /* Default action */ {0, none}}; /*-----------------------------------------------------------------------------------*/ void telnetd_connected(struct telnetd_state *s) { telnetd_output(s, "uIP command shell", ""); telnetd_output(s, "Type '?' for help", ""); telnetd_prompt(s, "uIP-0.9> "); } /*-----------------------------------------------------------------------------------*/ void telnetd_input(struct telnetd_state *s, char *cmd) { parse(s, cmd, configparsetab); telnetd_prompt(s, "uIP-0.9> "); } /*-----------------------------------------------------------------------------------*/
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