/*
- * $Id$
+ * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
*
- * DEBUG: section 79 Squid-side DISKD I/O functions.
- * AUTHOR: Duane Wessels
- *
- * SQUID Web Proxy Cache http://www.squid-cache.org/
- * ----------------------------------------------------------
- *
- * 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.
- *
- * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
*/
+/* DEBUG: section 79 Squid-side DISKD I/O functions. */
+
#ifndef __STORE_DISKDIOSTRATEGY_H__
#define __STORE_DISKDIOSTRATEGY_H__
public:
void put(ssize_t);
-
void *get(ssize_t *);
-
void init(int ikey, int magic2);
+ SharedMemory() : nbufs(0), buf(nullptr), inuse_map(nullptr), id(0) {}
int nbufs;
-
char *buf;
-
char *inuse_map;
-
int id;
};
class DiskFile;
class DiskdFile;
-
+class Lock;
class ReadRequest;
/// \ingroup diskd
public:
DiskdIOStrategy();
- virtual bool shedLoad();
- virtual int load();
- virtual RefCount<DiskFile> newFile(char const *path);
- virtual void unlinkFile (char const *);
- virtual ConfigOption *getOptionTree() const;
- virtual void init();
- virtual void sync();
- virtual int callback();
- virtual void statfs(StoreEntry & sentry)const;
- int send(int mtype, int id, DiskdFile *theFile, size_t size, off_t offset, ssize_t shm_offset, RefCountable_ *requestor);
+ bool shedLoad() override;
+ int load() override;
+ RefCount<DiskFile> newFile(char const *path) override;
+ bool unlinkdUseful() const override;
+ void unlinkFile (char const *) override;
+ ConfigOption *getOptionTree() const override;
+ void init() override;
+ void sync() override;
+ int callback() override;
+ void statfs(StoreEntry & sentry) const override;
+ int send(int mtype, int id, DiskdFile *theFile, size_t size, off_t offset, ssize_t shm_offset, Lock *requestor);
/** public for accessing return address's */
SharedMemory shm;
extern diskd_stats_t diskd_stats;
#endif
+