LCOV - code coverage report
Current view: top level - lunchbox - persistentMap.cpp (source / functions) Hit Total Coverage
Test: Lunchbox Lines: 30 44 68.2 %
Date: 2016-03-29 17:09:06 Functions: 14 20 70.0 %

          Line data    Source code
       1             : 
       2             : /* Copyright (c) 2014-2015, Stefan.Eilemann@epfl.ch
       3             :  *
       4             :  * This library is free software; you can redistribute it and/or modify it under
       5             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       6             :  * by the Free Software Foundation.
       7             :  *
       8             :  * This library is distributed in the hope that it will be useful, but WITHOUT
       9             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      10             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      11             :  * details.
      12             :  *
      13             :  * You should have received a copy of the GNU Lesser General Public License
      14             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      15             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      16             :  */
      17             : 
      18             : #include "persistentMap.h"
      19             : #include <servus/uri.h>
      20             : 
      21             : // #define HISTOGRAM
      22             : 
      23             : namespace lunchbox
      24             : {
      25             : namespace detail
      26             : {
      27             : class PersistentMap
      28             : {
      29             : public:
      30           7 :     PersistentMap() : swap( false ) {}
      31           7 :     virtual ~PersistentMap() {}
      32           0 :     virtual size_t setQueueDepth( const size_t ) { return 0; }
      33             :     virtual bool insert( const std::string& key, const void* data,
      34             :                          const size_t size ) = 0;
      35             :     virtual std::string operator [] ( const std::string& key ) const = 0;
      36           6 :     virtual bool fetch( const std::string&, const size_t ) const
      37           6 :         { return true; }
      38             :     virtual bool contains( const std::string& key ) const = 0;
      39             :     virtual bool flush() = 0;
      40             : 
      41             :     bool swap;
      42             : #ifdef HISTOGRAM
      43             :     std::map< size_t, size_t > keys;
      44             :     std::map< size_t, size_t > values;
      45             : #endif
      46             : };
      47             : }
      48             : }
      49             : 
      50             : // Impls - need detail::PersistentMap interface above
      51             : #include "leveldb/persistentMap.h"
      52             : #include "skv/persistentMap.h"
      53             : 
      54             : namespace
      55             : {
      56           8 : lunchbox::detail::PersistentMap* _newImpl( const servus::URI& uri )
      57             : {
      58             :     // Update handles() below on any change here!
      59             : #ifdef LUNCHBOX_USE_LEVELDB
      60           8 :     if( lunchbox::leveldb::PersistentMap::handles( uri ))
      61           6 :         return new lunchbox::leveldb::PersistentMap( uri );
      62             : #endif
      63             : #ifdef LUNCHBOX_USE_SKV
      64             :     if( lunchbox::skv::PersistentMap::handles( uri ))
      65             :         return new lunchbox::skv::PersistentMap( uri );
      66             : #endif
      67             : 
      68           3 :     if( !uri.getScheme().empty( ))
      69           1 :         LBTHROW( std::runtime_error(
      70             :                      std::string( "No suitable implementation found for: " ) +
      71             :                          boost::lexical_cast< std::string >( uri )));
      72             : 
      73             : #ifdef LUNCHBOX_USE_LEVELDB
      74           2 :     return new lunchbox::leveldb::PersistentMap( uri );
      75             : #endif
      76             :     LBTHROW( std::runtime_error(
      77             :                  std::string( "No suitable implementation found for: " ) +
      78             :                      boost::lexical_cast< std::string >( uri )));
      79             : }
      80             : }
      81             : 
      82             : namespace lunchbox
      83             : {
      84           8 : PersistentMap::PersistentMap( const std::string& uri )
      85          10 :     : _impl( _newImpl( servus::URI( uri )))
      86           6 : {}
      87             : 
      88           0 : PersistentMap::PersistentMap( const servus::URI& uri )
      89           0 :     : _impl( _newImpl( uri ))
      90           0 : {}
      91             : 
      92           6 : PersistentMap::~PersistentMap()
      93             : {
      94             : #ifdef HISTOGRAM
      95             :     std::cout << std::endl << "keys" << std::endl;
      96             :     for( std::pair< size_t, size_t > i : _impl->keys )
      97             :         std::cout << i.first << ", " << i.second << std::endl;
      98             :     std::cout << std::endl << "values" << std::endl;
      99             :     for( std::pair< size_t, size_t > i : _impl->values )
     100             :         std::cout << i.first << ", " << i.second << std::endl;
     101             : #endif
     102           6 :     delete _impl;
     103           6 : }
     104             : 
     105           0 : bool PersistentMap::handles( const servus::URI& uri )
     106             : {
     107             : #ifdef LUNCHBOX_USE_LEVELDB
     108           0 :     if( lunchbox::leveldb::PersistentMap::handles( uri ))
     109           0 :         return true;
     110             : #endif
     111             : #ifdef LUNCHBOX_USE_SKV
     112             :     if( lunchbox::skv::PersistentMap::handles( uri ))
     113             :         return true;
     114             : #endif
     115             : 
     116           0 :     if( !uri.getScheme().empty( ))
     117           0 :         return false;
     118             : 
     119             : #ifdef LUNCHBOX_USE_LEVELDB
     120           0 :     return true;
     121             : #endif
     122             :     return false;
     123             : }
     124             : 
     125           0 : size_t PersistentMap::setQueueDepth( const size_t depth )
     126             : {
     127           0 :     return _impl->setQueueDepth( depth );
     128             : }
     129             : 
     130          36 : bool PersistentMap::_insert( const std::string& key, const void* data,
     131             :                              const size_t size )
     132             : {
     133             : #ifdef HISTOGRAM
     134             :     ++_impl->keys[ key.size() ];
     135             :     ++_impl->values[ size ];
     136             : #endif
     137          36 :     return _impl->insert( key, data, size );
     138             : }
     139             : 
     140          84 : std::string PersistentMap::operator [] ( const std::string& key ) const
     141             : {
     142          84 :     return (*_impl)[ key ];
     143             : }
     144             : 
     145           6 : bool PersistentMap::fetch( const std::string& key, const size_t sizeHint ) const
     146             : {
     147           6 :     return _impl->fetch( key, sizeHint );
     148             : }
     149             : 
     150           3 : bool PersistentMap::contains( const std::string& key ) const
     151             : {
     152           3 :     return _impl->contains( key );
     153             : }
     154             : 
     155           0 : bool PersistentMap::flush()
     156             : {
     157           0 :     return _impl->flush();
     158             : }
     159             : 
     160           6 : void PersistentMap::setByteswap( const bool swap )
     161             : {
     162           6 :     _impl->swap = swap;
     163           6 : }
     164             : 
     165          60 : bool PersistentMap::_swap() const
     166             : {
     167          60 :     return _impl->swap;
     168             : }
     169             : 
     170          81 : }

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