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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>FastDB: wwwapi.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.5 --><div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a></div><h1>wwwapi.h</h1><div class="fragment"><pre>00001 <span class="comment">//-< WWWAPI.H >------------------------------------------------------*--------*</span>00002 <span class="comment">// FastDB Version 1.0 (c) 1999 GARRET * ? *</span>00003 <span class="comment">// (Main Memory Database Management System) * /\| *</span>00004 <span class="comment">// * / \ *</span>00005 <span class="comment">// Created: 27-Mar-99 K.A. Knizhnik * / [] \ *</span>00006 <span class="comment">// Last update: 1-Jul-99 K.A. Knizhnik * GARRET *</span>00007 <span class="comment">//-------------------------------------------------------------------*--------*</span>00008 <span class="comment">// API for creating Internet applications </span>00009 <span class="comment">//-------------------------------------------------------------------*--------*</span>00010 00011 <span class="preprocessor">#ifndef __WWWAPI_H__</span>00012 <span class="preprocessor"></span><span class="preprocessor">#define __WWWAPI_H__</span>00013 <span class="preprocessor"></span>00014 <span class="preprocessor">#include "stdtp.h"</span>00015 <span class="preprocessor">#include "sync.h"</span>00016 <span class="preprocessor">#include "sockio.h"</span>00017 <span class="preprocessor">#include "database.h"</span>00018 00019 <span class="keyword">enum</span> WWWencodingType { 00020 TAG = 0, <span class="comment">// HTML tags (no conversion)</span>00021 HTML = 1, <span class="comment">// replace ('<','>','"','&') with (&lt; &gt; &amp; &qout;)</span>00022 URL = 2 <span class="comment">// replace spaces with '+', and other special characters with %XX</span>00023 };00024 <span class="comment">//</span>00025 <span class="comment">// Automatic state shifts after each append operation:</span>00026 <span class="comment">// TAG->HTML</span>00027 <span class="comment">// HTML->TAG</span>00028 <span class="comment">// URL->TAG</span>00029 <span class="comment">//</span>00030 00031 <span class="keyword">class </span>FASTDB_DLL_ENTRY WWWconnection { 00032 <span class="keyword">friend</span> <span class="keyword">class </span>WWWapi;00033 <span class="keyword">friend</span> <span class="keyword">class </span>CGIapi;00034 <span class="keyword">friend</span> <span class="keyword">class </span>QueueManager;00035 <span class="keyword">friend</span> <span class="keyword">class </span>HTTPapi;00036 00037 <span class="keyword">public</span>:00038 00039 <span class="keyword">typedef</span> void (*UserDataDestructor)(<span class="keywordtype">void</span>* userData);00040 <span class="keyword">typedef</span> bool (*handler)(WWWconnection& con);00041 00042 <span class="keywordtype">void</span>* userData;00043 UserDataDestructor userDataDestructor;00044 00045 <span class="keywordtype">void</span> setUserData(<span class="keywordtype">void</span>* data, UserDataDestructor destructor = NULL) { 00046 userData = data;00047 userDataDestructor = destructor;00048 }00049 00050 <span class="comment">//</span>00051 <span class="comment">// Append string to reply buffer</span>00052 <span class="comment">//</span>00053 WWWconnection& append(<span class="keywordtype">char</span> <span class="keyword">const</span>* str);00054 <span class="comment">//</span>00055 <span class="comment">// Append binary data</span>00056 <span class="comment">// </span>00057 WWWconnection& append(<span class="keyword">const</span> <span class="keywordtype">void</span> *buf, <span class="keywordtype">int</span> len);00058 00059 WWWconnection& operator << (<span class="keywordtype">char</span> <span class="keyword">const</span>* str) { 00060 <span class="keywordflow">return</span> append(str);00061 }00062 00063 <span class="keywordtype">void</span> setEncoding(WWWencodingType type) { encoding = type; }00064 00065 WWWconnection& operator << (WWWencodingType type) { 00066 setEncoding(type);00067 <span class="keywordflow">return</span> *<span class="keyword">this</span>;00068 }00069 WWWconnection& operator << (<span class="keywordtype">int</span> value) { 00070 <span class="keywordtype">char</span> buf[32];00071 sprintf(buf, <span class="stringliteral">"%d"</span>, value);00072 <span class="keywordflow">return</span> append(buf);00073 }00074 WWWconnection& operator << (<span class="keywordtype">double</span> value) {00075 <span class="keywordtype">char</span> buf[32];00076 sprintf(buf, <span class="stringliteral">"%f"</span>, value);00077 <span class="keywordflow">return</span> append(buf);00078 }00079 00080 WWWconnection& operator << (db_int8 value) {00081 <span class="keywordtype">char</span> buf[32];00082 sprintf(buf, INT8_FORMAT, value);00083 <span class="keywordflow">return</span> append(buf);00084 }00085 00086 WWWconnection& operator << (oid_t value) { 00087 <span class="keywordtype">char</span> buf[32]; 00088 sprintf(buf, <span class="stringliteral">"%ld"</span>, (<span class="keywordtype">long</span>)value);00089 <span class="keywordflow">return</span> append(buf);00090 }00091 00092 <span class="keywordtype">char</span>* getStub() { <span class="keywordflow">return</span> stub; }00093 00094 <span class="keywordtype">char</span>* getAddress() { <span class="keywordflow">return</span> address; }00095 00096 <span class="keywordtype">char</span>* getPeer() { <span class="keywordflow">return</span> peer; }00097 00098 <span class="comment">//</span>00099 <span class="comment">// Compare content of the string with the end of the reply buffer</span>00100 <span class="comment">//</span>00101 <span class="keywordtype">bool</span> terminatedBy(<span class="keywordtype">char</span> <span class="keyword">const</span>* str) <span class="keyword">const</span>;00102 00103 <span class="comment">//</span>00104 <span class="comment">// Get value of variable from request string. If name is not present in </span>00105 <span class="comment">// string NULL is returned. Parameter 'n' can be used to get n-th</span>00106 <span class="comment">// value of variable for multiple selection slot. Zero value of n </span>00107 <span class="comment">// corresponds to the first variable's value, 1 - to the second,...</span>00108 <span class="comment">// When no more values are available NULL is returned.</span>00109 <span class="comment">//</span>00110 <span class="keywordtype">char</span>* get(<span class="keywordtype">char</span> <span class="keyword">const</span>* name, <span class="keywordtype">int</span> n = 0);00111 00112 <span class="comment">//</span>00113 <span class="comment">// Associatte value with name</span>00114 <span class="comment">//</span>00115 <span class="keywordtype">void</span> addPair(<span class="keywordtype">char</span> <span class="keyword">const</span>* name, <span class="keywordtype">char</span> <span class="keyword">const</span>* value);00116 00117 WWWconnection();00118 ~WWWconnection();00119 00120 <span class="keyword">protected</span>: 00121 <span class="keyword">enum</span> { hash_table_size = 1013 };00122 socket_t* sock;00123 <span class="keywordtype">char</span>* reply_buf;00124 size_t reply_buf_size;00125 size_t reply_buf_used;00126 <span class="keywordtype">char</span>* stub;00127 <span class="keywordtype">char</span>* address;00128 <span class="keywordtype">char</span>* peer;00129 WWWconnection* next;00130 WWWencodingType encoding;00131 00132 00133 <span class="keyword">struct </span>name_value_pair { 00134 name_value_pair* next;00135 <span class="keywordtype">char</span> <span class="keyword">const</span>* name;00136 <span class="keywordtype">char</span> <span class="keyword">const</span>* value;00137 <span class="keywordtype">unsigned</span> hash_code;00138 };00139 00140 name_value_pair* hash_table[hash_table_size];⌨️ 快捷键说明
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