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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>uIP 1.0: apps/telnetd/shell.c Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="classes.html"><span>Data Structures</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>Globals</span></a></li> </ul></div><h1>apps/telnetd/shell.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2003, Adam Dunkels.</span><a name="l00003"></a>00003 <span class="comment"> * All rights reserved.</span><a name="l00004"></a>00004 <span class="comment"> *</span><a name="l00005"></a>00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span><a name="l00006"></a>00006 <span class="comment"> * modification, are permitted provided that the following conditions</span><a name="l00007"></a>00007 <span class="comment"> * are met:</span><a name="l00008"></a>00008 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span><a name="l00009"></a>00009 <span class="comment"> * notice, this list of conditions and the following disclaimer.</span><a name="l00010"></a>00010 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span><a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span><a name="l00012"></a>00012 <span class="comment"> * documentation and/or other materials provided with the distribution.</span><a name="l00013"></a>00013 <span class="comment"> * 3. The name of the author may not be used to endorse or promote</span><a name="l00014"></a>00014 <span class="comment"> * products derived from this software without specific prior</span><a name="l00015"></a>00015 <span class="comment"> * written permission.</span><a name="l00016"></a>00016 <span class="comment"> *</span><a name="l00017"></a>00017 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS</span><a name="l00018"></a>00018 <span class="comment"> * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span><a name="l00019"></a>00019 <span class="comment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span><a name="l00020"></a>00020 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY</span><a name="l00021"></a>00021 <span class="comment"> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span><a name="l00022"></a>00022 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE</span><a name="l00023"></a>00023 <span class="comment"> * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span><a name="l00024"></a>00024 <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,</span><a name="l00025"></a>00025 <span class="comment"> * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING</span><a name="l00026"></a>00026 <span class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span><a name="l00027"></a>00027 <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span><a name="l00028"></a>00028 <span class="comment"> *</span><a name="l00029"></a>00029 <span class="comment"> * This file is part of the uIP TCP/IP stack.</span><a name="l00030"></a>00030 <span class="comment"> *</span><a name="l00031"></a>00031 <span class="comment"> * $Id: shell.c,v 1.1 2006/06/07 09:43:54 adam Exp $</span><a name="l00032"></a>00032 <span class="comment"> *</span><a name="l00033"></a>00033 <span class="comment"> */</span><a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="preprocessor">#include "<a class="code" href="a00107.html">shell.h</a>"</span><a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="preprocessor">#include <string.h></span><a name="l00038"></a>00038 <a name="l00039"></a>00039 <span class="keyword">struct </span>ptentry {<a name="l00040"></a>00040 <span class="keywordtype">char</span> *commandstr;<a name="l00041"></a>00041 void (* pfunc)(<span class="keywordtype">char</span> *str);<a name="l00042"></a>00042 };<a name="l00043"></a>00043 <a name="l00044"></a>00044 <span class="preprocessor">#define SHELL_PROMPT "uIP 1.0> "</span><a name="l00045"></a>00045 <span class="preprocessor"></span><a name="l00046"></a>00046 <span class="comment">/*---------------------------------------------------------------------------*/</span><a name="l00047"></a>00047 <span class="keyword">static</span> <span class="keywordtype">void</span><a name="l00048"></a>00048 parse(<span class="keyword">register</span> <span class="keywordtype">char</span> *str, <span class="keyword">struct</span> ptentry *t)<a name="l00049"></a>00049 {<a name="l00050"></a>00050 <span class="keyword">struct </span>ptentry *p;<a name="l00051"></a>00051 <span class="keywordflow">for</span>(p = t; p->commandstr != <a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; ++p) {<a name="l00052"></a>00052 <span class="keywordflow">if</span>(strncmp(p->commandstr, str, strlen(p->commandstr)) == 0) {<a name="l00053"></a>00053 <span class="keywordflow">break</span>;<a name="l00054"></a>00054 }<a name="l00055"></a>00055 }<a name="l00056"></a>00056 <a name="l00057"></a>00057 p->pfunc(str);<a name="l00058"></a>00058 }<a name="l00059"></a>00059 <span class="comment">/*---------------------------------------------------------------------------*/</span><a name="l00060"></a>00060 <span class="keyword">static</span> <span class="keywordtype">void</span><a name="l00061"></a>00061 inttostr(<span class="keyword">register</span> <span class="keywordtype">char</span> *str, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i)<a name="l00062"></a>00062 {<a name="l00063"></a>00063 str[0] = <span class="charliteral">'0'</span> + i / 100;<a name="l00064"></a>00064 <span class="keywordflow">if</span>(str[0] == <span class="charliteral">'0'</span>) {<a name="l00065"></a>00065 str[0] = <span class="charliteral">' '</span>;<a name="l00066"></a>00066 }<a name="l00067"></a>00067 str[1] = <span class="charliteral">'0'</span> + (i / 10) % 10;<a name="l00068"></a>00068 <span class="keywordflow">if</span>(str[0] == <span class="charliteral">' '</span> && str[1] == <span class="charliteral">'0'</span>) {<a name="l00069"></a>00069 str[1] = <span class="charliteral">' '</span>;<a name="l00070"></a>00070 }<a name="l00071"></a>00071 str[2] = <span class="charliteral">'0'</span> + i % 10;<a name="l00072"></a>00072 str[3] = <span class="charliteral">' '</span>;<a name="l00073"></a>00073 str[4] = 0;<a name="l00074"></a>00074 }<a name="l00075"></a>00075 <span class="comment">/*---------------------------------------------------------------------------*/</span><a name="l00076"></a>00076 <span class="keyword">static</span> <span class="keywordtype">void</span><a name="l00077"></a>00077 help(<span class="keywordtype">char</span> *str)<a name="l00078"></a>00078 {<a name="l00079"></a>00079 shell_output(<span class="stringliteral">"Available commands:"</span>, <span class="stringliteral">""</span>);<a name="l00080"></a>00080 shell_output(<span class="stringliteral">"stats - show network statistics"</span>, <span class="stringliteral">""</span>);<a name="l00081"></a>00081 shell_output(<span class="stringliteral">"conn - show TCP connections"</span>, <span class="stringliteral">""</span>);<a name="l00082"></a>00082 shell_output(<span class="stringliteral">"help, ? - show help"</span>, <span class="stringliteral">""</span>);<a name="l00083"></a>00083 shell_output(<span class="stringliteral">"exit - exit shell"</span>, <span class="stringliteral">""</span>);<a name="l00084"></a>00084 }<a name="l00085"></a>00085 <span class="comment">/*---------------------------------------------------------------------------*/</span><a name="l00086"></a>00086 <span class="keyword">static</span> <span class="keywordtype">void</span><a name="l00087"></a>00087 unknown(<span class="keywordtype">char</span> *str)<a name="l00088"></a>00088 {<a name="l00089"></a>00089 <span class="keywordflow">if</span>(strlen(str) > 0) {<a name="l00090"></a>00090 shell_output(<span class="stringliteral">"Unknown command: "</span>, str);<a name="l00091"></a>00091 }<a name="l00092"></a>00092 }<a name="l00093"></a>00093 <span class="comment">/*---------------------------------------------------------------------------*/</span><a name="l00094"></a>00094 <span class="keyword">static</span> <span class="keyword">struct </span>ptentry parsetab[] =<a name="l00095"></a>00095 {{<span class="stringliteral">"stats"</span>, help},<a name="l00096"></a>00096 {<span class="stringliteral">"conn"</span>, help},<a name="l00097"></a>00097 {<span class="stringliteral">"help"</span>, help},<a name="l00098"></a>00098 {<span class="stringliteral">"exit"</span>, shell_quit},<a name="l00099"></a>00099 {<span class="stringliteral">"?"</span>, help},<a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="comment">/* Default action */</span><a name="l00102"></a>00102 {<a class="code" href="a00160.html#g070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, unknown}};<a name="l00103"></a>00103 <span class="comment">/*---------------------------------------------------------------------------*/</span><a name="l00104"></a>00104 <span class="keywordtype">void</span><a name="l00105"></a><a class="code" href="a00107.html#69b075ef7e4d7bcf5a903d3d75baac02">00105</a> <a class="code" href="a00107.html#69b075ef7e4d7bcf5a903d3d75baac02">shell_init</a>(<span class="keywordtype">void</span>)<a name="l00106"></a>00106 {<a name="l00107"></a>00107 }<a name="l00108"></a>00108 <span class="comment">/*---------------------------------------------------------------------------*/</span><a name="l00109"></a>00109 <span class="keywordtype">void</span><a name="l00110"></a><a class="code" href="a00107.html#d1f18f739da7703628c3663209463a0d">00110</a> <a class="code" href="a00107.html#d1f18f739da7703628c3663209463a0d">shell_start</a>(<span class="keywordtype">void</span>)<a name="l00111"></a>00111 {<a name="l00112"></a>00112 shell_output(<span class="stringliteral">"uIP command shell"</span>, <span class="stringliteral">""</span>);<a name="l00113"></a>00113 shell_output(<span class="stringliteral">"Type '?' and return for help"</span>, <span class="stringliteral">""</span>);<a name="l00114"></a>00114 shell_prompt(SHELL_PROMPT);<a name="l00115"></a>00115 }<a name="l00116"></a>00116 <span class="comment">/*---------------------------------------------------------------------------*/</span><a name="l00117"></a>00117 <span class="keywordtype">void</span><a name="l00118"></a><a class="code" href="a00107.html#86beee1f69d05b16022dfb430470e9ce">00118</a> <a class="code" href="a00107.html#86beee1f69d05b16022dfb430470e9ce">shell_input</a>(<span class="keywordtype">char</span> *cmd)<a name="l00119"></a>00119 {<a name="l00120"></a>00120 parse(cmd, parsetab);<a name="l00121"></a>00121 shell_prompt(SHELL_PROMPT);<a name="l00122"></a>00122 }<a name="l00123"></a>00123 <span class="comment">/*---------------------------------------------------------------------------*/</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Jun 12 10:23:01 2006 for uIP 1.0 by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address></body></html>⌨️ 快捷键说明
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