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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_UCB_SOURCE_UCP_WEBDAV_NEON_PROPFINDCACHE_HXX
#define INCLUDED_UCB_SOURCE_UCP_WEBDAV_NEON_PROPFINDCACHE_HXX
#include <sal/types.h>
#include <rtl/ustring.hxx>
#include <mutex>
#include <map>
#include <vector>
#include "DAVResource.hxx"
namespace http_dav_ucp
{
// A property names cache mechanism, URL driven.
// It is used to cache the property names received
// from the WebDAV server, to minimize the need of
// net transactions (e.g. PROPFIND).
// The cache lifetime should be short
// just to remove the annoying slowness when
// typing text or moving cursor around when the
// net link is slow.
// Define the properties cache element
class PropertyNames
{
/// target time when this element becomes stale
sal_uInt32 m_nStaleTime;
OUString m_sURL;
// the property name list received from WebDAV server
std::vector< DAVResourceInfo > m_aPropertiesNames;
public:
PropertyNames();
explicit PropertyNames( OUString aURL );
sal_uInt32 getStaleTime() const { return m_nStaleTime; };
void setStaleTime( const sal_uInt32 nStaleTime ) { m_nStaleTime = nStaleTime; };
OUString& getURL() { return m_sURL; };
const std::vector< DAVResourceInfo >& getPropertiesNames() { return m_aPropertiesNames; };
void setPropertiesNames( const std::vector< DAVResourceInfo >& aPropertiesNames ) { m_aPropertiesNames = aPropertiesNames; };
};
// Define the PropertyNames cache
// TODO: the OUString key element in std::map needs to be changed with a URI representation
// with a specific compare (std::less) implementation, this last one implementing
// as suggested in <https://tools.ietf.org/html/rfc3986#section-6>.
// To find by URI and not by string equality.
typedef std::map< OUString, PropertyNames,
std::less< OUString > >PropNameCache;
class PropertyNamesCache
{
PropNameCache m_aTheCache;
std::mutex m_aMutex;
public:
PropertyNamesCache();
~PropertyNamesCache();
bool getCachedPropertyNames( const OUString& URL, PropertyNames& rCacheElement );
void removeCachedPropertyNames( const OUString& URL );
void addCachePropertyNames( PropertyNames& rCacheElement, const sal_uInt32 nLifeTime );
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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