ucb/source/ucp/webdav-curl/PropfindCache.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <osl/time.h>
  11
  12 #include <utility>
  13 #include "PropfindCache.hxx"
  14
  15 namespace http_dav_ucp
  16 {
  17
  18     // PropertyNames implementation
  19
  20     PropertyNames::PropertyNames() :
  21         m_nStaleTime( 0 ),
  22         m_sURL(),
  23         m_aPropertiesNames()
  24     {
  25     }
  26
  27     PropertyNames::PropertyNames( OUString aURL ) :
  28         m_nStaleTime( 0 ),
  29         m_sURL(std::move( aURL )),
  30         m_aPropertiesNames()
  31     {
  32     }
  33
  34     //PropertyNamesCache implementation
  35
  36     PropertyNamesCache::PropertyNamesCache()
  37     {
  38     }
  39
  40     PropertyNamesCache::~PropertyNamesCache()
  41     {
  42     }
  43
  44     bool PropertyNamesCache::getCachedPropertyNames( const OUString& rURL, PropertyNames& rCacheElement )
  45     {
  46         // search the URL in the static map
  47         std::unique_lock aGuard( m_aMutex );
  48         PropNameCache::const_iterator it;
  49         it = m_aTheCache.find( rURL );
  50         if ( it == m_aTheCache.end() )
  51             return false;
  52         else
  53         {
  54             // check if the element is stale, before restoring
  55             TimeValue t1;
  56             osl_getSystemTime( &t1 );
  57             if ( (*it).second.getStaleTime() < t1.Seconds )
  58             {
  59                 // if stale, remove from cache, do not restore
  60                 m_aTheCache.erase( it );
  61                 return false;
  62                 // return false instead
  63             }
  64             rCacheElement = (*it).second;
  65             return true;
  66         }
  67     }
  68
  69     void PropertyNamesCache::removeCachedPropertyNames( const OUString& rURL )
  70     {
  71         std::unique_lock aGuard( m_aMutex );
  72         PropNameCache::const_iterator it;
  73         it = m_aTheCache.find( rURL );
  74         if ( it != m_aTheCache.end() )
  75         {
  76             m_aTheCache.erase( it );
  77         }
  78     }
  79
  80     void PropertyNamesCache::addCachePropertyNames( PropertyNames& rCacheElement, const sal_uInt32 nLifeTime )
  81     {
  82         std::unique_lock aGuard( m_aMutex );
  83         OUString aURL( rCacheElement.getURL() );
  84         TimeValue t1;
  85         osl_getSystemTime( &t1 );
  86         rCacheElement.setStaleTime( t1.Seconds + nLifeTime );
  87
  88         m_aTheCache[ aURL ] = rCacheElement;
  89     }
  90
  91 }
  92
  93 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */