trunk/Search/HttpHandler.h

/* ============================================================================
 * Douglas Thrift's Search Engine License
 *
 * Copyright (C) 2002, Douglas Thrift. All Rights Reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include the following acknowledgment:
 *
 *       "This product includes software developed by Douglas Thrift
 *       (http://computers.douglasthrift.net/searchengine/)."
 *
 *    Alternately, this acknowledgment may appear in the software itself, if
 *    and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Douglas Thrift" and "Douglas Thrift's Search Engine" must not
 *    be used to endorse or promote products derived from this software without
 *    specific prior written permission.  For written permission, please visit
 *    http://www.douglasthrift.net/contact.cgi for contact information.
 *
 * 5. Products derived from this software may not be called "Douglas Thrift's
 *    Search Engine", nor may "Douglas Thrift's Search Engine" appear in their
 *    name, without prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ============================================================================
 */
// Douglas Thrift's Search Engine HTTP Handler
//
// Douglas Thrift
//
// HttpHandler.h

#ifndef _HttpHandler_h_
#define _HttpHandler_h_

#include "Search.h"
#include "URL.h"

// Lovely C Sockets!
#ifdef _WIN32

// Windows Sockets
#include <winsock2.h>
#include <windows.h>

#else

// BSD Sockets
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

#define INVALID_SOCKET -1
#define SOCKET_ERROR -1

typedef int SOCKET;

inline int closesocket(SOCKET s) { return close(s); }

#endif // _WIN32

class HttpHandler
{
private:
        enum code {ok = 200, choices = 300, moved = 301, found = 302, notfound =
                404, internal = 500};
#ifdef _WIN32
        WSADATA data;
#endif // _WIN32
        SOCKET http;
        char* buffer;
        unsigned begin;
        string page;
        string type;
        unsigned length;
        string location;
        bool chunked;
        void populate();
        void putline(const string line = "");
        string getline();
        void error(const string& prefix, bool host = false);
public:
        HttpHandler();
        ~HttpHandler();
        bool handle(URL& url, bool head = false);
        HttpHandler& getline(string& line, char endline = '\n');
        bool good();
        void clear();
        string contentType() { return type; }
        unsigned contentLength() { return length; }
        string redirect() { return location; }
};

#endif // _HttpHandler_h_
Revision:	19
Committed:	2002-12-10T00:02:22-08:00 (22 years, 6 months ago) by douglas
Content type:	text/x-c
File size:	3763 byte(s)
Log Message:	Added HttpHandler.populate() function. Implemented it non-chunked portion.
#	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	unsigned begin;
93	string page;
94	string type;
95	unsigned length;
96	string location;
97	bool chunked;
98	void populate();
99	void putline(const string line = "");
100	string getline();
101	void error(const string& prefix, bool host = false);
102	public:
103	HttpHandler();
104	~HttpHandler();
105	bool handle(URL& url, bool head = false);
106	HttpHandler& getline(string& line, char endline = '\n');
107	bool good();
108	void clear();
109	string contentType() { return type; }
110	unsigned contentLength() { return length; }
111	string redirect() { return location; }
112	};
113
114	#endif // _HttpHandler_h_