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root/proj/trunk/Search/HttpHandler.h
Revision: 25
Committed: 2002-12-22T23:32:58-08:00 (22 years, 6 months ago) by douglas
Content type: text/x-c
File size: 3804 byte(s)
Log Message:
Added "referer" handling to Indexer and HttpHandler.handle().

File Contents

# Content
1 /* ============================================================================
2 * Douglas Thrift's Search Engine License
3 *
4 * Copyright (C) 2002, Douglas Thrift. All Rights Reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * 3. The end-user documentation included with the redistribution, if any, must
16 * include the following acknowledgment:
17 *
18 * "This product includes software developed by Douglas Thrift
19 * (http://computers.douglasthrift.net/searchengine/)."
20 *
21 * Alternately, this acknowledgment may appear in the software itself, if
22 * and wherever such third-party acknowledgments normally appear.
23 *
24 * 4. The names "Douglas Thrift" and "Douglas Thrift's Search Engine" must not
25 * be used to endorse or promote products derived from this software without
26 * specific prior written permission. For written permission, please visit
27 * http://www.douglasthrift.net/contact.cgi for contact information.
28 *
29 * 5. Products derived from this software may not be called "Douglas Thrift's
30 * Search Engine", nor may "Douglas Thrift's Search Engine" appear in their
31 * name, without prior written permission.
32 *
33 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
34 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
35 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
36 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
37 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
38 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
39 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
40 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
41 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
42 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43 * ============================================================================
44 */
45 // Douglas Thrift's Search Engine HTTP Handler
46 //
47 // Douglas Thrift
48 //
49 // HttpHandler.h
50
51 #ifndef _HttpHandler_h_
52 #define _HttpHandler_h_
53
54 #include "Search.h"
55 #include "URL.h"
56
57 // Lovely C Sockets!
58 #ifdef _WIN32
59
60 // Windows Sockets
61 #include <winsock2.h>
62 #include <windows.h>
63
64 #else
65
66 // BSD Sockets
67 #include <unistd.h>
68 #include <sys/types.h>
69 #include <sys/socket.h>
70 #include <netinet/in.h>
71 #include <netdb.h>
72
73 #define INVALID_SOCKET -1
74 #define SOCKET_ERROR -1
75
76 typedef int SOCKET;
77
78 inline int closesocket(SOCKET s) { return close(s); }
79
80 #endif // _WIN32
81
82 class HttpHandler
83 {
84 private:
85 enum code {ok = 200, choices = 300, moved = 301, found = 302, notfound =
86 404, internal = 500};
87 #ifdef _WIN32
88 WSADATA data;
89 #endif // _WIN32
90 SOCKET http;
91 char* buffer;
92 string page;
93 string type;
94 unsigned length;
95 string location;
96 bool chunked;
97 void populate();
98 void putline(const string line = "");
99 string getline();
100 void error(const string& prefix, bool host = false);
101 public:
102 HttpHandler();
103 ~HttpHandler();
104 bool handle(URL& url, const string referer = "", bool head = false);
105 HttpHandler& getline(string& line, char endline = '\n');
106 bool good() { return (page.length() > 0); }
107 void clear();
108 string contentType() { return type; }
109 unsigned contentLength() { return length; }
110 string redirect() { return location; }
111 };
112
113 #endif // _HttpHandler_h_