projects / thirdparty / squid.git / blame
| Commit | Line | Data |
|---|---|---|
| 59b2d47f | 1 | /* |
| 59b2d47f | 2 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
| 3 | * ---------------------------------------------------------- | |
| 4 | * | |
| 5 | * Squid is the result of efforts by numerous individuals from | |
| 6 | * the Internet community; see the CONTRIBUTORS file for full | |
| 7 | * details. Many organizations have provided support for Squid's | |
| 8 | * development; see the SPONSORS file for full details. Squid is | |
| 9 | * Copyrighted (C) 2001 by the Regents of the University of | |
| 10 | * California; see the COPYRIGHT file for full details. Squid | |
| 11 | * incorporates software developed and/or copyrighted by other | |
| 12 | * sources; see the CREDITS file for full details. | |
| 13 | * | |
| 14 | * This program is free software; you can redistribute it and/or modify | |
| 15 | * it under the terms of the GNU General Public License as published by | |
| 16 | * the Free Software Foundation; either version 2 of the License, or | |
| 17 | * (at your option) any later version. | |
| 26ac0430 | 18 | * |
| 59b2d47f | 19 | * This program is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 22 | * GNU General Public License for more details. | |
| 26ac0430 | 23 | * |
| 59b2d47f | 24 | * You should have received a copy of the GNU General Public License |
| 25 | * along with this program; if not, write to the Free Software | |
| 26 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
| 27 | * | |
| 28 | * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org> | |
| 29 | */ | |
| 30 | ||
| b9ae18aa | 31 | #ifndef SQUID_AIODISKFILE_H |
| 32 | #define SQUID_AIODISKFILE_H | |
| 59b2d47f | 33 | |
| 2513178d AJ |
34 | #if USE_DISKIO_AIO |
| 35 | ||
| b9ae18aa | 36 | #include "async_io.h" |
| aa839030 | 37 | #include "cbdata.h" |
| 602d9612 | 38 | #include "DiskIO/DiskFile.h" |
| 582c2af2 | 39 | #include "SquidString.h" |
| 59b2d47f | 40 | |
| b9ae18aa | 41 | class AIODiskIOStrategy; |
| 59b2d47f | 42 | |
| b9ae18aa | 43 | class AIODiskFile : public DiskFile |
| 59b2d47f | 44 | { |
| 45 | ||
| 46 | public: | |
| 59b2d47f | 47 | |
| b9ae18aa | 48 | friend class AIODiskIOStrategy; |
| b9ae18aa | 49 | AIODiskFile (char const *path, AIODiskIOStrategy *); |
| 50 | ~AIODiskFile(); | |
| 63be0a78 | 51 | |
| 52 | /// \bug the code has this as "IORequestor::Pointer callback" | |
| 53 | virtual void open(int flags, mode_t mode, RefCount<IORequestor> callback); | |
| 54 | ||
| b9ae18aa | 55 | virtual void create (int, mode_t, RefCount<IORequestor>); |
| 56 | virtual void read(ReadRequest *); | |
| 57 | virtual void write(WriteRequest *); | |
| 58 | virtual void close (); | |
| 59 | virtual bool canRead() const; | |
| 60 | virtual bool canWrite() const; | |
| 61 | ||
| 62 | /* During migration only */ | |
| 63 | virtual int getFD() const; | |
| 64 | ||
| 65 | virtual bool error() const; | |
| 59b2d47f | 66 | |
| b9ae18aa | 67 | /* Inform callers if there is IO in progress */ |
| 68 | virtual bool ioInProgress() const; | |
| 69 | ||
| 70 | private: | |
| b9ae18aa | 71 | void error(bool const &); |
| 72 | int fd; | |
| 30abd221 | 73 | String path; |
| b9ae18aa | 74 | AIODiskIOStrategy *strategy; |
| 75 | RefCount<IORequestor> ioRequestor; | |
| 76 | bool closed; | |
| 77 | bool error_; | |
| f49c09b2 | 78 | CBDATA_CLASS2(AIODiskFile); |
| b9ae18aa | 79 | }; |
| 59b2d47f | 80 | |
| 2513178d | 81 | #endif /* USE_DISKIO_AIO */ |
| b9ae18aa | 82 | #endif /* SQUID_AIODISKFILE_H */ |