the begginning

utils/cacheutils/cacheutils.h

@@ -0,0 +1,79 @@
+/* Copyright (C) 2014 InfiniDB, Inc.
+
+   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; version 2 of
+   the License.
+
+   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., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA. */
+
+// $Id: cacheutils.h 4051 2013-08-09 22:38:47Z wweeks $
+//
+/** @file */
+
+#ifndef CACHEUTILS_H__
+#define CACHEUTILS_H__
+
+#include "brmtypes.h"
+
+/**
+ * block cache utilities
+ */
+namespace cacheutils
+{
+	/** @brief flush the block cache
+	 *
+	 * Use the config file and messaging to signal all PrimProc's to flush their caches.
+	 */
+	int flushPrimProcCache();
+
+	/** @brief flush these blocks from cache
+	 *
+	 * Use the config file and messaging to signal all PrimProc's to flush their caches of any of
+	 * the specified LBID@@Vers.
+	 */
+	int flushPrimProcBlocks(const BRM::BlockList_t& list);
+	
+	/** @brief flush all version of blocks from cache
+	 *
+	 * Use the config file and messaging to signal all PrimProc's to flush their caches of any of
+	 * the specified LBIDs.
+	 */
+	int flushPrimProcAllverBlocks(const std::vector<BRM::LBID_t> &list);
+
+	/** @brief flush all versions of all lbids belonging to the given oids.
+	 *
+	 * Flush all versions of all lbids belonging to the given oids.
+	 */
+	int flushOIDsFromCache(const std::vector<BRM::OID_t> &);
+
+	/** @brief Flush all versions of all lbids for the given OIDs and partition number.
+	 *
+	 * Flush all versions of all lbids for the given OIDs and partition number.
+	 */
+	int flushPartition(const std::vector<BRM::OID_t> &, std::set<BRM::LogicalPartition>& partitionNum);
+
+	/** @brief drop file descriptor cache
+	 *
+	 * Use the config file and messaging to signal all PrimProc's to drop the fd cache
+	 */
+	int dropPrimProcFdCache();
+	/** @brief drop the files from file descriptor cache
+	 *
+	 * Use the config file and messaging to signal all PrimProc's to drop the fd cache
+	 */
+	int purgePrimProcFdCache(const std::vector<BRM::FileInfo> files, const int pmId);
+
+}
+// vim:ts=4 sw=4:
+
+#endif
+