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fc54b8d2 FC |
1 | /* |
2 | * DEBUG: section 06 Disk I/O Routines | |
3 | * AUTHOR: Harvest Derived | |
4 | * | |
5 | * SQUID Web Proxy Cache http://www.squid-cache.org/ | |
6 | * ---------------------------------------------------------- | |
7 | * | |
8 | * Squid is the result of efforts by numerous individuals from | |
9 | * the Internet community; see the CONTRIBUTORS file for full | |
10 | * details. Many organizations have provided support for Squid's | |
11 | * development; see the SPONSORS file for full details. Squid is | |
12 | * Copyrighted (C) 2001 by the Regents of the University of | |
13 | * California; see the COPYRIGHT file for full details. Squid | |
14 | * incorporates software developed and/or copyrighted by other | |
15 | * sources; see the CREDITS file for full details. | |
16 | * | |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2 of the License, or | |
20 | * (at your option) any later version. | |
21 | * | |
22 | * This program is distributed in the hope that it will be useful, | |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
26 | * | |
27 | * You should have received a copy of the GNU General Public License | |
28 | * along with this program; if not, write to the Free Software | |
29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
30 | * | |
31 | */ | |
32 | ||
fc54b8d2 FC |
33 | #ifndef SQUID_DISK_H_ |
34 | #define SQUID_DISK_H_ | |
35 | ||
36 | #include "typedefs.h" | |
37 | ||
38 | class MemBuf; | |
65914896 | 39 | |
1328cfb7 | 40 | // POD |
65914896 FC |
41 | class dread_ctrl |
42 | { | |
43 | public: | |
44 | int fd; | |
45 | off_t offset; | |
46 | int req_len; | |
47 | char *buf; | |
48 | int end_of_file; | |
49 | DRCB *handler; | |
50 | void *client_data; | |
51 | }; | |
52 | ||
1328cfb7 FC |
53 | // POD |
54 | class dwrite_q | |
55 | { | |
56 | public: | |
57 | off_t file_offset; | |
58 | char *buf; | |
59 | size_t len; | |
60 | size_t buf_offset; | |
61 | dwrite_q *next; | |
62 | FREE *free_func; | |
63 | }; | |
fc54b8d2 | 64 | |
8a648e8d FC |
65 | int file_open(const char *path, int mode); |
66 | void file_close(int fd); | |
fc54b8d2 FC |
67 | |
68 | /* Adapter file_write for object callbacks */ | |
69 | template <class O> | |
70 | void | |
71 | FreeObject(void *address) | |
72 | { | |
73 | O *anObject = static_cast <O *>(address); | |
74 | delete anObject; | |
75 | } | |
76 | ||
8a648e8d FC |
77 | void file_write(int, off_t, void const *, int len, DWCB *, void *, FREE *); |
78 | void file_write_mbuf(int fd, off_t, MemBuf mb, DWCB * handler, void *handler_data); | |
79 | void file_read(int, char *, int, off_t, DRCB *, void *); | |
80 | void disk_init(void); | |
81 | void safeunlink(const char *path, int quiet); | |
82 | int xrename(const char *from, const char *to); //disk.cc | |
fc54b8d2 FC |
83 | |
84 | #endif /* SQUID_DISK_H_ */ |