xref: /netbsd-src/sys/arch/hpc/stand/hpcboot/file_http.h (revision ce099b40997c43048fb78bd578195f81d2456523)
1 /* -*-C++-*-	$NetBSD: file_http.h,v 1.6 2008/04/28 20:23:20 martin 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 
38 class Socket {
39 private:
40 	struct sockaddr_in &_sockaddr;
41 	SOCKET _socket;
42 public:
43 	explicit Socket(struct sockaddr_in &);
SOCKET()44 	operator SOCKET() const { return _socket; }
45 	virtual ~Socket(void);
46 };
47 
48 class HttpFile : public File {
49 public:
50 	enum ops {
51 		FILE_CACHE	= 0x00000001,
52 		USE_PROXY	= 0x00000002		// XXX not yet.
53 	};
54 
55 private:
56 	// Wrapper for absorb Windows CE API difference.
57 	int (*_wsa_startup)(WORD, LPWSADATA);
58 	int (*_wsa_cleanup)(void);
59 
60 private:
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 
92 public:
93 	HttpFile::HttpFile(Console *&);
94 	virtual ~HttpFile(void);
95 
96 	BOOL setRoot(TCHAR *);
97 	BOOL open(const TCHAR *, uint32_t);
size(void)98 	size_t size(void) { size_t hsz; return _parse_header(hsz); }
close(void)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