c3a7c92677
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@408 42af7a65-404d-4744-a932-0658087f49c3
140 lines
4.6 KiB
C
140 lines
4.6 KiB
C
/****************************************************************************
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* netutils/telnetd/telnetd.c
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* This is a leverage of similar logic from uIP:
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*
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* Author: Adam Dunkels <adam@sics.se>
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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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*
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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. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <string.h>
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#include "shell.h"
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/****************************************************************************
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* Definitions
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****************************************************************************/
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#define SHELL_PROMPT "uIP 1.0> "
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct ptentry_s
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{
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char *commandstr;
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void (* pfunc)(void *handle, char *str);
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};
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void parse(void *handle, register char *str, struct ptentry_s *t);
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static void help(void *handle, char *str);
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static void unknown(void *handle, char *str);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static struct ptentry_s g_parsetab[] =
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{
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{"stats", help},
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{"conn", help},
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{"help", help},
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{"exit", shell_quit},
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{"?", help},
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{NULL, unknown}
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static void parse(void *handle, char *str, struct ptentry_s *t)
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{
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struct ptentry_s *p;
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for (p = t; p->commandstr != NULL; ++p)
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{
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if (strncmp(p->commandstr, str, strlen(p->commandstr)) == 0)
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{
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break;
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}
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}
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p->pfunc(handle, str);
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}
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static void help(void *handle, char *str)
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{
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shell_output(handle, "Available commands:");
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shell_output(handle, "stats - show network statistics");
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shell_output(handle, "conn - show TCP connections");
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shell_output(handle, "help, ? - show help");
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shell_output(handle, "exit - exit shell");
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}
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static void unknown(void *handle, char *str)
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{
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if (strlen(str) > 0)
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{
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shell_output(handle, "Unknown command: ", str);
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}
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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void shell_init(void *handle)
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{
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}
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void shell_start(void *handle)
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{
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shell_output(handle, "uIP command shell");
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shell_output(handle, "Type '?' and return for help");
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shell_prompt(handle, SHELL_PROMPT);
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}
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void shell_input(void *handle, char *cmd)
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{
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parse(handle, cmd, g_parsetab);
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shell_prompt(handle, SHELL_PROMPT);
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}
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