]>
git.ipfire.org Git - thirdparty/squid.git/blob - src/DiskIO/DiskThreads/DiskThreadsDiskFile.h
2 * DEBUG: section 79 Disk IO Routines
3 * AUTHOR: Robert Collins
5 * SQUID Web Proxy Cache http://www.squid-cache.org/
6 * ----------------------------------------------------------
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.
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.
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.
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.
31 * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
34 #ifndef SQUID_DISKTHREADSDISKFILE_H
35 #define SQUID_DISKTHREADSDISKFILE_H
37 #include "DiskIO/DiskFile.h"
38 #include "DiskThreads.h"
40 class DiskThreadsDiskFile
: public DiskFile
44 DiskThreadsDiskFile(char const *path
, DiskThreadsIOStrategy
*);
45 ~DiskThreadsDiskFile();
46 virtual void open(int flags
, mode_t mode
, RefCount
<IORequestor
> callback
);
47 virtual void create(int flags
, mode_t mode
, RefCount
<IORequestor
> callback
);
48 virtual void read(ReadRequest
*);
49 virtual void write(WriteRequest
*);
51 virtual bool error() const;
52 virtual int getFD() const { return fd
;}
54 virtual bool canRead() const;
55 virtual bool canWrite() const;
56 virtual bool ioInProgress() const;
61 static AIOCB ReadDone
;
68 static AIOCB WriteDone
;
71 static DWCB WriteDone
;
77 DiskThreadsIOStrategy
*IO
;
79 static AIOCB OpenDone
;
80 void openDone(int fd
, const char *buf
, int aio_return
, int aio_errno
);
81 RefCount
<IORequestor
> ioRequestor
;
84 void readDone(int fd
, const char *buf
, int len
, int errflag
, RefCount
<ReadRequest
> request
);
85 void writeDone(int fd
, int errflag
, size_t len
, RefCount
<WriteRequest
> request
);
87 CBDATA_CLASS2(DiskThreadsDiskFile
);
90 #include "DiskIO/ReadRequest.h"
97 IoResult(RefCount
<DiskThreadsDiskFile
> aFile
, RefCount
<RT
> aRequest
) : file(aFile
), request(aRequest
) {}
99 RefCount
<DiskThreadsDiskFile
> file
;
100 RefCount
<RT
> request
;
103 CBDATA_CLASS2(IoResult
);
108 IOResult(RefCount
<RT
> aRequest
, RefCount
<DiskThreadsDiskFile
> aFile
) { return IoResult
<RT
>(aFile
, aRequest
);}
110 #endif /* SQUID_DISKTHREADSDISKFILE_H */