]>
git.ipfire.org Git - thirdparty/squid.git/blob - src/DiskIO/DiskThreads/DiskThreadsDiskFile.h
2 * Copyright (C) 1996-2014 The Squid Software Foundation and contributors
4 * Squid software is distributed under GPLv2+ license and includes
5 * contributions from numerous individuals and organizations.
6 * Please see the COPYING and CONTRIBUTORS files for details.
9 /* DEBUG: section 79 Disk IO Routines */
11 #ifndef SQUID_DISKTHREADSDISKFILE_H
12 #define SQUID_DISKTHREADSDISKFILE_H
14 #include "DiskIO/DiskFile.h"
15 #include "DiskThreads.h"
17 class DiskThreadsDiskFile
: public DiskFile
19 CBDATA_CLASS(DiskThreadsDiskFile
);
22 DiskThreadsDiskFile(char const *path
, DiskThreadsIOStrategy
*);
23 ~DiskThreadsDiskFile();
24 virtual void open(int flags
, mode_t mode
, RefCount
<IORequestor
> callback
);
25 virtual void create(int flags
, mode_t mode
, RefCount
<IORequestor
> callback
);
26 virtual void read(ReadRequest
*);
27 virtual void write(WriteRequest
*);
29 virtual bool error() const;
30 virtual int getFD() const { return fd
;}
32 virtual bool canRead() const;
33 virtual bool canWrite() const;
34 virtual bool ioInProgress() const;
39 static AIOCB ReadDone
;
46 static AIOCB WriteDone
;
49 static DWCB WriteDone
;
55 DiskThreadsIOStrategy
*IO
;
57 static AIOCB OpenDone
;
58 void openDone(int fd
, const char *buf
, int aio_return
, int aio_errno
);
59 RefCount
<IORequestor
> ioRequestor
;
62 void readDone(int fd
, const char *buf
, int len
, int errflag
, RefCount
<ReadRequest
> request
);
63 void writeDone(int fd
, int errflag
, size_t len
, RefCount
<WriteRequest
> request
);
66 #include "DiskIO/ReadRequest.h"
71 CBDATA_CLASS(IoResult
);
74 IoResult(RefCount
<DiskThreadsDiskFile
> aFile
, RefCount
<RT
> aRequest
) : file(aFile
), request(aRequest
) {}
76 RefCount
<DiskThreadsDiskFile
> file
;
82 IOResult(RefCount
<RT
> aRequest
, RefCount
<DiskThreadsDiskFile
> aFile
) { return IoResult
<RT
>(aFile
, aRequest
);}
84 #endif /* SQUID_DISKTHREADSDISKFILE_H */