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/*
* Copyright (C) 2008 Apple Inc. 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 APPLE OR ITS CONTRIBUTORS 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.
*/
#include "config.h"
#include "OriginUsageRecord.h"
#if ENABLE(SQL_DATABASE)
#include "SQLiteFileSystem.h"
namespace WebCore {
OriginUsageRecord::OriginUsageRecord()
: m_cachedDiskUsageIsValid(false)
{
}
void OriginUsageRecord::addDatabase(const String& identifier, const String& fullPath)
{
ASSERT(!m_databaseMap.contains(identifier));
ASSERT_ARG(identifier, identifier.impl()->hasOneRef() || identifier.isEmpty());
ASSERT_ARG(fullPath, fullPath.impl()->hasOneRef() || fullPath.isEmpty());
m_databaseMap.set(identifier, DatabaseEntry(fullPath));
m_unknownSet.add(identifier);
m_cachedDiskUsageIsValid = false;
}
void OriginUsageRecord::removeDatabase(const String& identifier)
{
ASSERT(m_databaseMap.contains(identifier));
m_databaseMap.remove(identifier);
m_unknownSet.remove(identifier);
m_cachedDiskUsageIsValid = false;
}
void OriginUsageRecord::markDatabase(const String& identifier)
{
ASSERT(m_databaseMap.contains(identifier));
ASSERT_ARG(identifier, identifier.impl()->hasOneRef() || identifier.isEmpty());
m_unknownSet.add(identifier);
m_cachedDiskUsageIsValid = false;
}
unsigned long long OriginUsageRecord::diskUsage()
{
// Use the last cached usage value if we have it.
if (m_cachedDiskUsageIsValid)
return m_cachedDiskUsage;
// stat() for the sizes known to be dirty.
HashSet<String>::iterator iUnknown = m_unknownSet.begin();
HashSet<String>::iterator endUnknown = m_unknownSet.end();
for (; iUnknown != endUnknown; ++iUnknown) {
const String& path = m_databaseMap.get(*iUnknown).filename;
ASSERT(!path.isEmpty());
// When we can't determine the file size, we'll just have to assume the file is missing/inaccessible.
long long size = SQLiteFileSystem::getDatabaseFileSize(path);
m_databaseMap.set(*iUnknown, DatabaseEntry(path, size));
}
m_unknownSet.clear();
// Recalculate the cached usage value.
m_cachedDiskUsage = 0;
HashMap<String, DatabaseEntry>::iterator iDatabase = m_databaseMap.begin();
HashMap<String, DatabaseEntry>::iterator endDatabase = m_databaseMap.end();
for (; iDatabase != endDatabase; ++iDatabase)
m_cachedDiskUsage += iDatabase->value.size;
m_cachedDiskUsageIsValid = true;
return m_cachedDiskUsage;
}
}
#endif
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