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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>/opentcp/include/inet/dns/dns.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><a class="qindex" href="main.html">Main Page</a> <a class="qindex" href="modules.html">Modules</a> <a class="qindex" href="annotated.html">Data Structures</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Data Fields</a> <a class="qindex" href="globals.html">Globals</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindex" href="examples.html">Examples</a> </center><hr><h1>/opentcp/include/inet/dns/dns.h</h1><a href="dns_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="comment">/*</span>00002 <span class="comment"> *Copyright (c) 2000-2002 Viola Systems Ltd.</span>00003 <span class="comment"> *All rights reserved.</span>00004 <span class="comment"> *</span>00005 <span class="comment"> *Redistribution and use in source and binary forms, with or without </span>00006 <span class="comment"> *modification, are permitted provided that the following conditions </span>00007 <span class="comment"> *are met:</span>00008 <span class="comment"> *</span>00009 <span class="comment"> *1. Redistributions of source code must retain the above copyright </span>00010 <span class="comment"> *notice, this list of conditions and the following disclaimer.</span>00011 <span class="comment"> *</span>00012 <span class="comment"> *2. Redistributions in binary form must reproduce the above copyright </span>00013 <span class="comment"> *notice, this list of conditions and the following disclaimer in the </span>00014 <span class="comment"> *documentation and/or other materials provided with the distribution.</span>00015 <span class="comment"> *</span>00016 <span class="comment"> *3. The end-user documentation included with the redistribution, if </span>00017 <span class="comment"> *any, must include the following acknowledgment:</span>00018 <span class="comment"> * "This product includes software developed by Viola </span>00019 <span class="comment"> * Systems (http://www.violasystems.com/)."</span>00020 <span class="comment"> *</span>00021 <span class="comment"> *Alternately, this acknowledgment may appear in the software itself, </span>00022 <span class="comment"> *if and wherever such third-party acknowledgments normally appear.</span>00023 <span class="comment"> *</span>00024 <span class="comment"> *4. The names "OpenTCP" and "Viola Systems" must not be used to </span>00025 <span class="comment"> *endorse or promote products derived from this software without prior </span>00026 <span class="comment"> *written permission. For written permission, please contact </span>00027 <span class="comment"> *opentcp@opentcp.org.</span>00028 <span class="comment"> *</span>00029 <span class="comment"> *5. Products derived from this software may not be called "OpenTCP", </span>00030 <span class="comment"> *nor may "OpenTCP" appear in their name, without prior written </span>00031 <span class="comment"> *permission of the Viola Systems Ltd.</span>00032 <span class="comment"> *</span>00033 <span class="comment"> *THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED </span>00034 <span class="comment"> *WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF </span>00035 <span class="comment"> *MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. </span>00036 <span class="comment"> *IN NO EVENT SHALL VIOLA SYSTEMS LTD. OR ITS CONTRIBUTORS BE LIABLE </span>00037 <span class="comment"> *FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR </span>00038 <span class="comment"> *CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF </span>00039 <span class="comment"> *SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR </span>00040 <span class="comment"> *BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, </span>00041 <span class="comment"> *WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE </span>00042 <span class="comment"> *OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, </span>00043 <span class="comment"> *EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>00044 <span class="comment"> *====================================================================</span>00045 <span class="comment"> *</span>00046 <span class="comment"> *OpenTCP is the unified open source TCP/IP stack available on a series </span>00047 <span class="comment"> *of 8/16-bit microcontrollers, please see <http://www.opentcp.org>.</span>00048 <span class="comment"> *</span>00049 <span class="comment"> *For more information on how to network-enable your devices, or how to </span>00050 <span class="comment"> *obtain commercial technical support for OpenTCP, please see </span>00051 <span class="comment"> *<http://www.violasystems.com/>.</span>00052 <span class="comment"> */</span>00053 00063 <span class="preprocessor">#ifndef INCLUDE_DNS_H</span>00064 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDE_DNS_H</span>00065 <span class="preprocessor"></span>00066 <span class="preprocessor">#include <<a class="code" href="datatypes_8h.html">inet/datatypes.h</a>></span>00067 00068 <a name="l00069"></a><a class="code" href="dns_8h.html#a0">00069</a> <span class="preprocessor">#define DNS_UDP_PORT 53 </span><a name="l00073"></a><a class="code" href="dns_8h.html#a1">00073</a> <span class="preprocessor">#define DNS_SERVER_IP 0xac100201 </span><a name="l00075"></a><a class="code" href="dns_8h.html#a2">00075</a> <span class="preprocessor">#define DNS_RESEND_PERIOD 2 </span><a name="l00078"></a><a class="code" href="dns_8h.html#a3">00078</a> <span class="preprocessor">#define DNS_NUM_RETRIES 5 </span>00083 <span class="preprocessor"></span><span class="comment">/* Events for event listener */</span><a name="l00084"></a><a class="code" href="dns_8h.html#a4">00084</a> <span class="preprocessor">#define DNS_EVENT_ERROR 0 </span><a name="l00087"></a><a class="code" href="dns_8h.html#a5">00087</a> <span class="preprocessor">#define DNS_EVENT_SUCCESS 1 </span>00092 <span class="preprocessor"></span><span class="comment">/* First five errors (from RFC1035) which we transfer to event listener </span>00093 <span class="comment"> plus a couple of our own</span>00094 <span class="comment">*/</span><a name="l00095"></a><a class="code" href="dns_8h.html#a6">00095</a> <span class="preprocessor">#define DNS_ERROR_FORMAT 1 </span><a name="l00098"></a><a class="code" href="dns_8h.html#a7">00098</a> <span class="preprocessor">#define DNS_ERROR_SERVER_FAILURE 2 </span><a name="l00103"></a><a class="code" href="dns_8h.html#a8">00103</a> <span class="preprocessor">#define DNS_ERROR_NAME_ERROR 3 </span><a name="l00110"></a><a class="code" href="dns_8h.html#a9">00110</a> <span class="preprocessor">#define DNS_ERROR_NOT_IMPLEMENTED 4 </span><a name="l00114"></a><a class="code" href="dns_8h.html#a10">00114</a> <span class="preprocessor">#define DNS_ERROR_REFUSED 5 </span>00118 <span class="preprocessor"></span><span class="comment">/* code 6-15 reserved for future use */</span><a name="l00119"></a><a class="code" href="dns_8h.html#a11">00119</a> <span class="preprocessor">#define DNS_ERROR_TIMEOUT 16 </span><a name="l00124"></a><a class="code" href="dns_8h.html#a12">00124</a> <span class="preprocessor">#define DNS_ERROR_GENERAL 17 </span>00129 <span class="preprocessor"></span><span class="comment">/* Error codes returned from get_host_by_name(): */</span>00130 <span class="comment">/* Other error codes (besides those listed below) are: </span>00131 <span class="comment"> -1 - general error</span>00132 <span class="comment"> -2 - arp not ready</span>00133 <span class="comment"> -3 - socket handle error</span>00134 <span class="comment">*/</span><a name="l00135"></a><a class="code" href="dns_8h.html#a13">00135</a> <span class="preprocessor">#define DNS_ERROR_BUSY -4 </span><a name="l00140"></a><a class="code" href="dns_8h.html#a14">00140</a> <span class="preprocessor">#define DNS_ERROR_LABEL -5 </span><a name="l00144"></a><a class="code" href="dns_8h.html#a15">00144</a> <span class="preprocessor">#define DNS_ERROR_NAME -6 </span><a name="l00147"></a><a class="code" href="dns_8h.html#a16">00147</a> <span class="preprocessor">#define DNS_ERROR_OVERFLOW -7 </span>00152 <span class="preprocessor">UINT8 get_host_by_name(UINT8 *host_name_ptr,void (*listener)(UINT8 , UINT32 ));</span>00153 <span class="preprocessor"></span>00154 <span class="keywordtype">void</span> <a class="code" href="dns_8c.html#a10">dns_init</a>(<span class="keywordtype">void</span>);00155 00156 <span class="keywordtype">void</span> <a class="code" href="dns_8c.html#a12">dns_run</a>(<span class="keywordtype">void</span>);00157 00158 INT32 <a class="code" href="dns_8c.html#a13">dns_eventlistener</a>(INT8 , UINT8 , UINT32 , UINT16 , UINT16 , UINT16);00159 00160 <span class="preprocessor">#endif</span></pre></div><hr><address style="align: right;"><small>Generated on Sun Aug 3 20:32:59 2003 for OpenTCP by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.18 </small></address></body></html>⌨️ 快捷键说明
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