1/* -*-C++-*-	$NetBSD: file_http.h,v 1.5 2006/03/05 04:05:39 uwe Exp $	*/
2
3/*-
4 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _HPCBOOT_FILE_HTTP_H_
33#define	_HPCBOOT_FILE_HTTP_H_
34
35#include <file.h>
36#include <winsock.h>
37
38class Socket {
39private:
40	struct sockaddr_in &_sockaddr;
41	SOCKET _socket;
42public:
43	explicit Socket(struct sockaddr_in &);
44	operator SOCKET() const { return _socket; }
45	virtual ~Socket(void);
46};
47
48class HttpFile : public File {
49public:
50	enum ops {
51		FILE_CACHE	= 0x00000001,
52		USE_PROXY	= 0x00000002		// XXX not yet.
53	};
54
55private:
56	// Wrapper for absorb Windows CE API difference.
57	int (*_wsa_startup)(WORD, LPWSADATA);
58	int (*_wsa_cleanup)(void);
59
60private:
61	// IP Socket
62	struct WSAData _winsock;
63	struct sockaddr_in _sockaddr;
64
65	enum { TMP_BUFFER_SIZE = 256 };
66
67	char _server_name[MAX_PATH];
68
69	// HTTP request
70	char _request[MAX_PATH];
71	const char *_req_get;
72	const char *_req_head;
73	const char *_req_host;
74	const char *_req_ua;
75
76	void _set_request(void);
77
78	// HTTP header.
79	size_t _header_size;
80	size_t _parse_header(size_t &);
81
82	// File buffer.
83	BOOL _memory_cache;
84	BOOL _cached;
85	char *_buffer;
86	size_t _buffer_size;
87	size_t _read_from_cache(void *, size_t, off_t);
88	size_t _recv_buffer(SOCKET, char *, size_t);
89	void _reset_state(void);
90	off_t _cur_pos;
91
92public:
93	HttpFile::HttpFile(Console *&);
94	virtual ~HttpFile(void);
95
96	BOOL setRoot(TCHAR *);
97	BOOL open(const TCHAR *, uint32_t);
98	size_t size(void) { size_t hsz; return _parse_header(hsz); }
99	BOOL close(void) { return TRUE; }
100	size_t read(void *, size_t, off_t = -1);
101	size_t write(const void *, size_t, off_t = -1) { return 0; }
102	BOOL seek(off_t);
103
104};
105
106#endif //_HPCBOOT_FILE_HTTP_H_
107