1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> 3<title>uIP 1.0: apps/resolv/resolv.h File Reference</title> 4<link href="doxygen.css" rel="stylesheet" type="text/css"> 5<link href="tabs.css" rel="stylesheet" type="text/css"> 6</head><body> 7<!-- Generated by Doxygen 1.4.6 --> 8<div class="tabs"> 9 <ul> 10 <li><a href="main.html"><span>Main Page</span></a></li> 11 <li><a href="modules.html"><span>Modules</span></a></li> 12 <li><a href="classes.html"><span>Data Structures</span></a></li> 13 <li id="current"><a href="files.html"><span>Files</span></a></li> 14 <li><a href="examples.html"><span>Examples</span></a></li> 15 </ul></div> 16<div class="tabs"> 17 <ul> 18 <li><a href="files.html"><span>File List</span></a></li> 19 <li><a href="globals.html"><span>Globals</span></a></li> 20 </ul></div> 21<h1>apps/resolv/resolv.h File Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2> 22DNS resolver code header file. 23<p> 24<dl compact><dt><b>Author:</b></dt><dd>Adam Dunkels <<a href="mailto:[email protected]">[email protected]</a>> </dd></dl> 25 26<p> 27Definition in file <a class="el" href="a00173.html">resolv.h</a>. 28<p> 29<code>#include "<a class="el" href="a00206.html">uipopt.h</a>"</code><br> 30 31<p> 32<a href="a00173.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0"> 33<tr><td></td></tr> 34<tr><td colspan="2"><br><h2>Appication specific configurations</h2></td></tr> 35<tr><td colspan="2">An uIP application is implemented using a single application function that is called by uIP whenever a TCP/IP event occurs. The name of this function must be registered with uIP at compile time using the UIP_APPCALL definition.<p> 36uIP applications can store the application state within the <a class="el" href="a00088.html">uip_conn</a> structure by specifying the type of the application structure by typedef:ing the type uip_tcp_appstate_t and uip_udp_appstate_t.<p> 37The file containing the definitions must be included in the <a class="el" href="a00140.html">uipopt.h</a> file.<p> 38The following example illustrates how this can look. <div class="fragment"><pre class="fragment"><span class="keywordtype">void</span> <a class="code" href="a00164.html#g648ddfb2dde2cc55034e4e0ea41cb6d1">httpd_appcall</a>(<span class="keywordtype">void</span>); 39<span class="preprocessor">#define UIP_APPCALL httpd_appcall</span> 40<span class="preprocessor"></span> 41<span class="keyword">struct </span><a class="code" href="a00080.html">httpd_state</a> { 42 <a class="code" href="a00153.html#g4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> <a class="code" href="a00080.html#94fcc9f5c47f419040d849ce58beae35">state</a>; 43 <a class="code" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> <a class="code" href="a00080.html#6df929b448ea98bc44d41f5e96237bda">count</a>; 44 <span class="keywordtype">char</span> *dataptr; 45 <span class="keywordtype">char</span> *script; 46}; 47<span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="a00080.html">httpd_state</a> <a class="code" href="a00153.html#g69646a81a922033c5281445a71f8ffed">uip_tcp_appstate_t</a> 48</pre></div> <br><br></td></tr> 49<tr><td class="memItemLeft" nowrap align="right" valign="top">typedef int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#ga92afb113e122f860392bfbd385f842e">uip_udp_appstate_t</a></td></tr> 50 51<tr><td class="mdescLeft"> </td><td class="mdescRight">The type of the application state that is to be stored in the <a class="el" href="a00088.html">uip_conn</a> structure. <a href="a00153.html#ga92afb113e122f860392bfbd385f842e"></a><br></td></tr> 52<tr><td colspan="2"><br><h2>Defines</h2></td></tr> 53<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="g3d768e989e308144190ae1a5ddfa9726"></a><!-- doxytag: member="resolv.h::UIP_UDP_APPCALL" ref="g3d768e989e308144190ae1a5ddfa9726" args="" --> 54#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#g3d768e989e308144190ae1a5ddfa9726">UIP_UDP_APPCALL</a> resolv_appcall</td></tr> 55 56<tr><td colspan="2"><br><h2>Functions</h2></td></tr> 57<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="g7c5359305008e9183b18d6ab75f568bf"></a><!-- doxytag: member="resolv.h::resolv_appcall" ref="g7c5359305008e9183b18d6ab75f568bf" args="(void)" --> 58void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#g7c5359305008e9183b18d6ab75f568bf">resolv_appcall</a> (void)</td></tr> 59 60<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#g6d9751d534453425c7a5a215d1d4414c">resolv_found</a> (char *name, <a class="el" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> *ipaddr)</td></tr> 61 62<tr><td class="mdescLeft"> </td><td class="mdescRight">Callback function which is called when a hostname is found. <a href="a00160.html#g6d9751d534453425c7a5a215d1d4414c"></a><br></td></tr> 63<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#gdf916e0c752f5cda70d0bddb2be422ba">resolv_conf</a> (<a class="el" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> *dnsserver)</td></tr> 64 65<tr><td class="mdescLeft"> </td><td class="mdescRight">Configure which DNS server to use for queries. <a href="a00160.html#gdf916e0c752f5cda70d0bddb2be422ba"></a><br></td></tr> 66<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#g3191066cf8f76bd00b6843b77c37068f">resolv_getserver</a> (void)</td></tr> 67 68<tr><td class="mdescLeft"> </td><td class="mdescRight">Obtain the currently configured DNS server. <a href="a00160.html#g3191066cf8f76bd00b6843b77c37068f"></a><br></td></tr> 69<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="gb50f78bbf36d912d69f6c1685d0b40e3"></a><!-- doxytag: member="resolv.h::resolv_init" ref="gb50f78bbf36d912d69f6c1685d0b40e3" args="(void)" --> 70void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#gb50f78bbf36d912d69f6c1685d0b40e3">resolv_init</a> (void)</td></tr> 71 72<tr><td class="mdescLeft"> </td><td class="mdescRight">Initalize the resolver. <br></td></tr> 73<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="a00153.html#g77570ac4fcab86864fa1916e55676da2">u16_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#g66d19181ad5fe8b8f7c84d1f1d46a2ec">resolv_lookup</a> (char *name)</td></tr> 74 75<tr><td class="mdescLeft"> </td><td class="mdescRight">Look up a hostname in the array of known hostnames. <a href="a00160.html#g66d19181ad5fe8b8f7c84d1f1d46a2ec"></a><br></td></tr> 76<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00160.html#ge4dcbbe6c641d2e3b8537b479df5fc99">resolv_query</a> (char *name)</td></tr> 77 78<tr><td class="mdescLeft"> </td><td class="mdescRight">Queues a name so that a question for the name will be sent out. <a href="a00160.html#ge4dcbbe6c641d2e3b8537b479df5fc99"></a><br></td></tr> 79</table> 80<hr size="1"><address style="align: right;"><small>Generated on Mon Jun 12 10:23:01 2006 for uIP 1.0 by 81<a href="http://www.doxygen.org/index.html"> 82<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address> 83</body> 84</html> 85
