/*
- * SQUID Web Proxy Cache http://www.squid-cache.org/
- * ----------------------------------------------------------
+ * Copyright (C) 1996-2018 The Squid Software Foundation and contributors
*
- * Squid is the result of efforts by numerous individuals from
- * the Internet community; see the CONTRIBUTORS file for full
- * details. Many organizations have provided support for Squid's
- * development; see the SPONSORS file for full details. Squid is
- * Copyrighted (C) 2001 by the Regents of the University of
- * California; see the COPYRIGHT file for full details. Squid
- * incorporates software developed and/or copyrighted by other
- * sources; see the CREDITS file for full details.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
*/
#ifndef SQUID_FS_UFS_UFSSWAPDIR_H
#include "SquidString.h"
#include "Store.h"
+#include "store/Disk.h"
#include "StoreIOState.h"
#include "StoreSearch.h"
#include "swap_log_op.h"
-#include "SwapDir.h"
#include "UFSStrategy.h"
class HttpRequest;
static bool FilenoBelongsHere(int fn, int cachedir, int level1dir, int level2dir);
UFSSwapDir(char const *aType, const char *aModuleType);
- /** Initial setup / end destruction */
- virtual void init();
- /** Create a new SwapDir (-z command-line option) */
- virtual void create();
- virtual void dump(StoreEntry &) const;
- ~UFSSwapDir();
- virtual StoreSearch *search(String const url, HttpRequest *);
- /** double-check swap during rebuild (-S command-line option)
- *
- * called by storeCleanup if needed
- */
- virtual bool doubleCheck(StoreEntry &);
- virtual bool unlinkdUseful() const;
- /** unlink a file, and remove its entry from the filemap */
- virtual void unlink(StoreEntry &);
- virtual void statfs(StoreEntry &)const;
- virtual void maintain();
- /** check whether this filesystem can store the given object
- *
- * UFS filesystems will happily store anything as long as
- * the LRU time isn't too small
- */
- virtual bool canStore(const StoreEntry &e, int64_t diskSpaceNeeded, int &load) const;
- /** reference an object
- *
- * This routine is called whenever an object is referenced, so we can
- * maintain replacement information within the storage fs.
- */
- virtual void reference(StoreEntry &);
- /** de-reference an object
- *
- * This routine is called whenever the last reference to an object is
- * removed, to maintain replacement information within the storage fs.
- */
- virtual bool dereference(StoreEntry &, bool);
- virtual StoreIOState::Pointer createStoreIO(StoreEntry &, StoreIOState::STFNCB *, StoreIOState::STIOCB *, void *);
- virtual StoreIOState::Pointer openStoreIO(StoreEntry &, StoreIOState::STFNCB *, StoreIOState::STIOCB *, void *);
- virtual void openLog();
- virtual void closeLog();
- virtual int writeCleanStart();
- virtual void writeCleanDone();
- virtual void logEntry(const StoreEntry & e, int op) const;
- virtual void parse(int index, char *path); ///parse configuration and setup new SwapDir
- virtual void reconfigure(); ///reconfigure the SwapDir
- virtual int callback();
- virtual void sync();
- virtual void swappedOut(const StoreEntry &e);
- virtual uint64_t currentSize() const { return cur_size; }
- virtual uint64_t currentCount() const { return n_disk_objects; }
+ virtual ~UFSSwapDir();
+
+ /* Store::Disk API */
+ virtual void create() override;
+ virtual void init() override;
+ virtual void dump(StoreEntry &) const override;
+ virtual bool doubleCheck(StoreEntry &) override;
+ virtual bool unlinkdUseful() const override;
+ virtual void unlink(StoreEntry &) override;
+ virtual void statfs(StoreEntry &) const override;
+ virtual void maintain() override;
+ virtual void markForUnlink(StoreEntry &) override {}
+ virtual bool canStore(const StoreEntry &e, int64_t diskSpaceNeeded, int &load) const override;
+ virtual void reference(StoreEntry &) override;
+ virtual bool dereference(StoreEntry &) override;
+ virtual StoreIOState::Pointer createStoreIO(StoreEntry &, StoreIOState::STFNCB *, StoreIOState::STIOCB *, void *) override;
+ virtual StoreIOState::Pointer openStoreIO(StoreEntry &, StoreIOState::STFNCB *, StoreIOState::STIOCB *, void *) override;
+ virtual void openLog() override;
+ virtual void closeLog() override;
+ virtual int writeCleanStart() override;
+ virtual void writeCleanDone() override;
+ virtual void logEntry(const StoreEntry & e, int op) const override;
+ virtual void parse(int index, char *path) override;
+ virtual void reconfigure() override;
+ virtual int callback() override;
+ virtual void sync() override;
+ virtual void swappedOut(const StoreEntry &e) override;
+ virtual uint64_t currentSize() const override { return cur_size; }
+ virtual uint64_t currentCount() const override { return n_disk_objects; }
+ virtual ConfigOption *getOptionTree() const override;
+ virtual bool smpAware() const override { return false; }
void unlinkFile(sfileno f);
// move down when unlink is a virtual method
void undoAddDiskRestore(StoreEntry *e);
int validFileno(sfileno filn, int flag) const;
int mapBitAllocate();
- virtual ConfigOption *getOptionTree() const;
void *fsdata;
bool pathIsDirectory(const char *path)const;
int swaplog_fd;
static EVH CleanEvent;
+ static int HandleCleanEvent();
/** Verify that the the CacheDir exists
*
* If this returns < 0, then Squid exits, complains about swap
char const *ioType;
uint64_t cur_size; ///< currently used space in the storage area
uint64_t n_disk_objects; ///< total number of objects stored
+ bool rebuilding_; ///< whether RebuildState is writing the new swap.state
};
} //namespace Ufs
} //namespace Fs
#endif /* SQUID_FS_UFS_UFSSWAPDIR_H */
+
projects / thirdparty / squid.git / blobdiff