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