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authorNingSun <ning.sun@intel.com>2018-02-08 08:34:03 -0800
committerNingSun <ning.sun@intel.com>2018-02-08 09:14:52 -0800
commit0c89b3ccba7c9b7332ab67ae1936aff51ca62367 (patch)
tree70c1b1d160d4c6d0a83395ca9a87c1264d0d3439 /SoftHSMv2/src/lib/object_store/Generation.h
parent945613b4db4e07f75d2bc7463db580ddfaa700fd (diff)
Initial sshsm project structure
Issue-ID: AAF-94 Change-Id: I5e82fff418e7567b161acf9b98013a9b85ffc5b4 Signed-off-by: NingSun <ning.sun@intel.com>
Diffstat (limited to 'SoftHSMv2/src/lib/object_store/Generation.h')
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diff --git a/SoftHSMv2/src/lib/object_store/Generation.h b/SoftHSMv2/src/lib/object_store/Generation.h
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+/*
+ * Copyright (c) 2013 SURFnet bv
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*****************************************************************************
+ Generation.h
+
+ Helper for generation number handling.
+ *****************************************************************************/
+
+#ifndef _SOFTHSM_V2_GENERATION_H
+#define _SOFTHSM_V2_GENERATION_H
+
+#include "config.h"
+#include <string>
+#include "File.h"
+#include "MutexFactory.h"
+
+class Generation
+{
+public:
+ // Factory
+ static Generation* create(const std::string inPath, bool inIsToken = false);
+
+ // Destructor
+ virtual ~Generation();
+
+ // Synchronize from locked disk file
+ bool sync(File &objectfile);
+
+ // Check if the target was updated
+ bool wasUpdated();
+
+ // Note pending update
+ void update();
+
+ // Commit (for the token case)
+ void commit();
+
+ // Set the current value when read from disk
+ void set(unsigned long onDisk);
+
+ // Return new value
+ unsigned long get();
+
+ // Rollback (called when the new value failed to be written)
+ void rollback();
+
+private:
+ // Constructor
+ Generation(const std::string path, bool isToken);
+
+ // The file path
+ std::string path;
+
+ // isToken
+ bool isToken;
+
+ // Pending update
+ bool pendingUpdate;
+
+ // Current value
+ unsigned long currentValue;
+
+ // For thread safeness
+ Mutex* genMutex;
+};
+
+#endif // !_SOFTHSM_V2_GENERATION_H
+