LCOV - code coverage report
Current view: top level - connectivity/source/cpool - ZConnectionPool.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 152 0.0 %
Date: 2012-08-25 Functions: 0 19 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 266 0.0 %

           Branch data     Line data    Source code
       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                 :            :  * This file incorporates work covered by the following license notice:
      10                 :            :  *
      11                 :            :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12                 :            :  *   contributor license agreements. See the NOTICE file distributed
      13                 :            :  *   with this work for additional information regarding copyright
      14                 :            :  *   ownership. The ASF licenses this file to you under the Apache
      15                 :            :  *   License, Version 2.0 (the "License"); you may not use this file
      16                 :            :  *   except in compliance with the License. You may obtain a copy of
      17                 :            :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18                 :            :  */
      19                 :            : 
      20                 :            : 
      21                 :            : #include <stdio.h>
      22                 :            : #include "ZConnectionPool.hxx"
      23                 :            : #include <com/sun/star/lang/XSingleServiceFactory.hpp>
      24                 :            : #include <com/sun/star/container/ElementExistException.hpp>
      25                 :            : #include <comphelper/extract.hxx>
      26                 :            : #include <comphelper/types.hxx>
      27                 :            : #include <com/sun/star/lang/XComponent.hpp>
      28                 :            : #include "ZPooledConnection.hxx"
      29                 :            : #include "ZPoolCollection.hxx"
      30                 :            : #include "connectivity/ConnectionWrapper.hxx"
      31                 :            : #include <com/sun/star/beans/XPropertySet.hpp>
      32                 :            : 
      33                 :            : 
      34                 :            : using namespace ::com::sun::star::uno;
      35                 :            : using namespace ::com::sun::star::lang;
      36                 :            : using namespace ::com::sun::star::sdbc;
      37                 :            : using namespace ::com::sun::star::beans;
      38                 :            : using namespace ::com::sun::star::container;
      39                 :            : using namespace ::osl;
      40                 :            : using namespace connectivity;
      41                 :            : 
      42                 :            : #include <algorithm>
      43                 :            : 
      44                 :            : //==========================================================================
      45                 :            : //= OPoolTimer
      46                 :            : //==========================================================================
      47                 :          0 : void SAL_CALL OPoolTimer::onShot()
      48                 :            : {
      49                 :          0 :     m_pPool->invalidatePooledConnections();
      50                 :          0 : }
      51                 :            : namespace
      52                 :            : {
      53                 :            :     //--------------------------------------------------------------------
      54                 :          0 :     static const ::rtl::OUString& getTimeoutNodeName()
      55                 :            :     {
      56 [ #  # ][ #  # ]:          0 :         static ::rtl::OUString s_sNodeName( RTL_CONSTASCII_USTRINGPARAM( "Timeout" ));
         [ #  # ][ #  # ]
      57                 :          0 :         return s_sNodeName;
      58                 :            :     }
      59                 :            : 
      60                 :            : }
      61                 :            : //==========================================================================
      62                 :            : //= OConnectionPool
      63                 :            : //==========================================================================
      64                 :            : //--------------------------------------------------------------------------
      65                 :          0 : OConnectionPool::OConnectionPool(const Reference< XDriver >& _xDriver,
      66                 :            :                                  const Reference< XInterface >& _xDriverNode,
      67                 :            :                                  const Reference< ::com::sun::star::reflection::XProxyFactory >& _rxProxyFactory)
      68                 :            :     :m_xDriver(_xDriver)
      69                 :            :     ,m_xDriverNode(_xDriverNode)
      70                 :            :     ,m_xProxyFactory(_rxProxyFactory)
      71                 :            :     ,m_nTimeOut(10)
      72 [ #  # ][ #  # ]:          0 :     ,m_nALiveCount(10)
                 [ #  # ]
      73                 :            : {
      74                 :            :     OSL_ENSURE(m_xDriverNode.is(),"NO valid Driver node set!");
      75         [ #  # ]:          0 :     Reference< XComponent >  xComponent(m_xDriverNode, UNO_QUERY);
      76         [ #  # ]:          0 :     if (xComponent.is())
      77 [ #  # ][ #  # ]:          0 :         xComponent->addEventListener(this);
                 [ #  # ]
      78                 :            : 
      79         [ #  # ]:          0 :     Reference<XPropertySet> xProp(m_xDriverNode,UNO_QUERY);
      80         [ #  # ]:          0 :     if(xProp.is())
      81 [ #  # ][ #  # ]:          0 :         xProp->addPropertyChangeListener(getTimeoutNodeName(),this);
         [ #  # ][ #  # ]
      82                 :            : 
      83         [ #  # ]:          0 :     OPoolCollection::getNodeValue(getTimeoutNodeName(),m_xDriverNode) >>= m_nALiveCount;
      84                 :          0 :     calculateTimeOuts();
      85                 :            : 
      86 [ #  # ][ #  # ]:          0 :     m_xInvalidator = new OPoolTimer(this,::salhelper::TTimeValue(m_nTimeOut,0));
         [ #  # ][ #  # ]
      87         [ #  # ]:          0 :     m_xInvalidator->start();
      88                 :          0 : }
      89                 :            : // -----------------------------------------------------------------------------
      90 [ #  # ][ #  # ]:          0 : OConnectionPool::~OConnectionPool()
      91                 :            : {
      92         [ #  # ]:          0 :     clear(sal_False);
      93         [ #  # ]:          0 : }
      94                 :            : // -----------------------------------------------------------------------------
      95                 :            : struct TRemoveEventListenerFunctor : ::std::unary_function<TPooledConnections::value_type,void>
      96                 :            :                                     ,::std::unary_function<TActiveConnectionMap::value_type,void>
      97                 :            : {
      98                 :            :     OConnectionPool* m_pConnectionPool;
      99                 :            :     sal_Bool m_bDispose;
     100                 :            : 
     101                 :          0 :     TRemoveEventListenerFunctor(OConnectionPool* _pConnectionPool,sal_Bool _bDispose = sal_False)
     102                 :            :         : m_pConnectionPool(_pConnectionPool)
     103                 :          0 :         ,m_bDispose(_bDispose)
     104                 :            :     {
     105                 :            :         OSL_ENSURE(m_pConnectionPool,"No connection pool!");
     106                 :          0 :     }
     107                 :            :     // -----------------------------------------------------------------------------
     108                 :          0 :     void dispose(const Reference<XInterface>& _xComponent)
     109                 :            :     {
     110         [ #  # ]:          0 :         Reference< XComponent >  xComponent(_xComponent, UNO_QUERY);
     111                 :            : 
     112         [ #  # ]:          0 :         if ( xComponent.is() )
     113                 :            :         {
     114 [ #  # ][ #  # ]:          0 :             xComponent->removeEventListener(m_pConnectionPool);
         [ #  # ][ #  # ]
     115         [ #  # ]:          0 :             if ( m_bDispose )
     116 [ #  # ][ #  # ]:          0 :                 xComponent->dispose();
     117                 :          0 :         }
     118                 :          0 :     }
     119                 :            :     // -----------------------------------------------------------------------------
     120                 :          0 :     void operator()(const TPooledConnections::value_type& _aValue)
     121                 :            :     {
     122                 :          0 :         dispose(_aValue);
     123                 :          0 :     }
     124                 :            :     // -----------------------------------------------------------------------------
     125                 :          0 :     void operator()(const TActiveConnectionMap::value_type& _aValue)
     126                 :            :     {
     127                 :          0 :         dispose(_aValue.first);
     128                 :          0 :     }
     129                 :            : };
     130                 :            : // -----------------------------------------------------------------------------
     131                 :            : struct TConnectionPoolFunctor : ::std::unary_function<TConnectionMap::value_type,void>
     132                 :            : {
     133                 :            :     OConnectionPool* m_pConnectionPool;
     134                 :            : 
     135                 :          0 :     TConnectionPoolFunctor(OConnectionPool* _pConnectionPool)
     136                 :          0 :         : m_pConnectionPool(_pConnectionPool)
     137                 :            :     {
     138                 :            :         OSL_ENSURE(m_pConnectionPool,"No connection pool!");
     139                 :          0 :     }
     140                 :          0 :     void operator()(const TConnectionMap::value_type& _aValue)
     141                 :            :     {
     142         [ #  # ]:          0 :         ::std::for_each(_aValue.second.aConnections.begin(),_aValue.second.aConnections.end(),TRemoveEventListenerFunctor(m_pConnectionPool,sal_True));
     143                 :          0 :     }
     144                 :            : };
     145                 :            : // -----------------------------------------------------------------------------
     146                 :          0 : void OConnectionPool::clear(sal_Bool _bDispose)
     147                 :            : {
     148         [ #  # ]:          0 :     MutexGuard aGuard(m_aMutex);
     149                 :            : 
     150 [ #  # ][ #  # ]:          0 :     if(m_xInvalidator->isTicking())
     151         [ #  # ]:          0 :         m_xInvalidator->stop();
     152                 :            : 
     153         [ #  # ]:          0 :     ::std::for_each(m_aPool.begin(),m_aPool.end(),TConnectionPoolFunctor(this));
     154                 :          0 :     m_aPool.clear();
     155                 :            : 
     156         [ #  # ]:          0 :     ::std::for_each(m_aActiveConnections.begin(),m_aActiveConnections.end(),TRemoveEventListenerFunctor(this,_bDispose));
     157                 :          0 :     m_aActiveConnections.clear();
     158                 :            : 
     159         [ #  # ]:          0 :     Reference< XComponent >  xComponent(m_xDriverNode, UNO_QUERY);
     160         [ #  # ]:          0 :     if (xComponent.is())
     161 [ #  # ][ #  # ]:          0 :         xComponent->removeEventListener(this);
                 [ #  # ]
     162         [ #  # ]:          0 :     Reference< XPropertySet >  xProp(m_xDriverNode, UNO_QUERY);
     163         [ #  # ]:          0 :     if (xProp.is())
     164 [ #  # ][ #  # ]:          0 :         xProp->removePropertyChangeListener(getTimeoutNodeName(),this);
         [ #  # ][ #  # ]
     165                 :            : 
     166                 :          0 : m_xDriverNode.clear();
     167         [ #  # ]:          0 : m_xDriver.clear();
     168                 :          0 : }
     169                 :            : //--------------------------------------------------------------------------
     170                 :          0 : Reference< XConnection > SAL_CALL OConnectionPool::getConnectionWithInfo( const ::rtl::OUString& _rURL, const Sequence< PropertyValue >& _rInfo ) throw(SQLException, RuntimeException)
     171                 :            : {
     172         [ #  # ]:          0 :     MutexGuard aGuard(m_aMutex);
     173                 :            : 
     174                 :          0 :     Reference<XConnection> xConnection;
     175                 :            : 
     176                 :            :     // create a unique id and look for it in our map
     177         [ #  # ]:          0 :     Sequence< PropertyValue > aInfo(_rInfo);
     178                 :          0 :     TConnectionMap::key_type nId;
     179         [ #  # ]:          0 :     OConnectionWrapper::createUniqueId(_rURL,aInfo,nId.m_pBuffer);
     180         [ #  # ]:          0 :     TConnectionMap::iterator aIter = m_aPool.find(nId);
     181                 :            : 
     182         [ #  # ]:          0 :     if ( m_aPool.end() != aIter )
     183 [ #  # ][ #  # ]:          0 :         xConnection = getPooledConnection(aIter);
     184                 :            : 
     185         [ #  # ]:          0 :     if ( !xConnection.is() )
     186 [ #  # ][ #  # ]:          0 :         xConnection = createNewConnection(_rURL,_rInfo);
     187                 :            : 
     188 [ #  # ][ #  # ]:          0 :     return xConnection;
     189                 :            : }
     190                 :            : //--------------------------------------------------------------------------
     191                 :          0 : void SAL_CALL OConnectionPool::disposing( const ::com::sun::star::lang::EventObject& Source ) throw (RuntimeException)
     192                 :            : {
     193         [ #  # ]:          0 :     Reference<XConnection> xConnection(Source.Source,UNO_QUERY);
     194         [ #  # ]:          0 :     if(xConnection.is())
     195                 :            :     {
     196         [ #  # ]:          0 :         MutexGuard aGuard(m_aMutex);
     197         [ #  # ]:          0 :         TActiveConnectionMap::iterator aIter = m_aActiveConnections.find(xConnection);
     198                 :            :         OSL_ENSURE(aIter != m_aActiveConnections.end(),"OConnectionPool::disposing: Conenction wasn't in pool");
     199         [ #  # ]:          0 :         if(aIter != m_aActiveConnections.end())
     200                 :            :         { // move the pooled connection back to the pool
     201                 :          0 :             aIter->second.aPos->second.nALiveCount = m_nALiveCount;
     202         [ #  # ]:          0 :             aIter->second.aPos->second.aConnections.push_back(aIter->second.xPooledConnection);
     203         [ #  # ]:          0 :             m_aActiveConnections.erase(aIter);
     204         [ #  # ]:          0 :         }
     205                 :            :     }
     206                 :            :     else
     207                 :            :     {
     208                 :          0 :     m_xDriverNode.clear();
     209                 :          0 :     }
     210                 :          0 : }
     211                 :            : // -----------------------------------------------------------------------------
     212                 :          0 : Reference< XConnection> OConnectionPool::createNewConnection(const ::rtl::OUString& _rURL,const Sequence< PropertyValue >& _rInfo)
     213                 :            : {
     214                 :            :     // create new pooled conenction
     215 [ #  # ][ #  # ]:          0 :     Reference< XPooledConnection > xPooledConnection = new ::connectivity::OPooledConnection(m_xDriver->connect(_rURL,_rInfo),m_xProxyFactory);
         [ #  # ][ #  # ]
                 [ #  # ]
     216                 :            :     // get the new connection from the pooled connection
     217 [ #  # ][ #  # ]:          0 :     Reference<XConnection> xConnection = xPooledConnection->getConnection();
     218         [ #  # ]:          0 :     if(xConnection.is())
     219                 :            :     {
     220                 :            :         // add our own as dispose listener to know when we should put the connection back to the pool
     221         [ #  # ]:          0 :         Reference< XComponent >  xComponent(xConnection, UNO_QUERY);
     222         [ #  # ]:          0 :         if (xComponent.is())
     223 [ #  # ][ #  # ]:          0 :             xComponent->addEventListener(this);
                 [ #  # ]
     224                 :            : 
     225                 :            :         // save some information to find the right pool later on
     226         [ #  # ]:          0 :         Sequence< PropertyValue > aInfo(_rInfo);
     227                 :          0 :         TConnectionMap::key_type nId;
     228         [ #  # ]:          0 :         OConnectionWrapper::createUniqueId(_rURL,aInfo,nId.m_pBuffer);
     229         [ #  # ]:          0 :         TConnectionPool aPack;
     230                 :            : 
     231                 :            :         // insert the new connection and struct into the active connection map
     232                 :          0 :         aPack.nALiveCount               = m_nALiveCount;
     233         [ #  # ]:          0 :         TActiveConnectionInfo aActiveInfo;
     234 [ #  # ][ #  # ]:          0 :         aActiveInfo.aPos                = m_aPool.insert(TConnectionMap::value_type(nId,aPack)).first;
     235         [ #  # ]:          0 :         aActiveInfo.xPooledConnection   = xPooledConnection;
     236 [ #  # ][ #  # ]:          0 :         m_aActiveConnections.insert(TActiveConnectionMap::value_type(xConnection,aActiveInfo));
                 [ #  # ]
     237                 :            : 
     238 [ #  # ][ #  # ]:          0 :         if(m_xInvalidator->isExpired())
     239 [ #  # ][ #  # ]:          0 :             m_xInvalidator->start();
                 [ #  # ]
     240                 :            :     }
     241                 :            : 
     242                 :          0 :     return xConnection;
     243                 :            : }
     244                 :            : // -----------------------------------------------------------------------------
     245                 :          0 : void OConnectionPool::invalidatePooledConnections()
     246                 :            : {
     247         [ #  # ]:          0 :     MutexGuard aGuard(m_aMutex);
     248                 :          0 :     TConnectionMap::iterator aIter = m_aPool.begin();
     249         [ #  # ]:          0 :     for (; aIter != m_aPool.end(); )
     250                 :            :     {
     251         [ #  # ]:          0 :         if(!(--(aIter->second.nALiveCount))) // connections are invalid
     252                 :            :         {
     253         [ #  # ]:          0 :             ::std::for_each(aIter->second.aConnections.begin(),aIter->second.aConnections.end(),TRemoveEventListenerFunctor(this,sal_True));
     254                 :            : 
     255                 :          0 :             aIter->second.aConnections.clear();
     256                 :            : 
     257                 :            :             // look if the iterator aIter is still present in the active connection map
     258                 :          0 :             TActiveConnectionMap::iterator aActIter = m_aActiveConnections.begin();
     259         [ #  # ]:          0 :             for (; aActIter != m_aActiveConnections.end(); ++aActIter)
     260                 :            :             {
     261         [ #  # ]:          0 :                 if(aIter == aActIter->second.aPos)
     262                 :          0 :                     break;
     263                 :            :             }
     264         [ #  # ]:          0 :             if(aActIter == m_aActiveConnections.end())
     265                 :            :             {// he isn't so we can delete him
     266                 :          0 :                 TConnectionMap::iterator aDeleteIter = aIter;
     267                 :          0 :                 ++aIter;
     268         [ #  # ]:          0 :                 m_aPool.erase(aDeleteIter);
     269                 :            :             }
     270                 :            :             else
     271                 :          0 :                 ++aIter;
     272                 :            :         }
     273                 :            :         else
     274                 :          0 :             ++aIter;
     275                 :            :     }
     276         [ #  # ]:          0 :     if(!m_aPool.empty())
     277 [ #  # ][ #  # ]:          0 :         m_xInvalidator->start();
     278                 :          0 : }
     279                 :            : // -----------------------------------------------------------------------------
     280                 :          0 : Reference< XConnection> OConnectionPool::getPooledConnection(TConnectionMap::iterator& _rIter)
     281                 :            : {
     282                 :          0 :     Reference<XConnection> xConnection;
     283                 :            : 
     284         [ #  # ]:          0 :     if(!_rIter->second.aConnections.empty())
     285                 :            :     {
     286         [ #  # ]:          0 :         Reference< XPooledConnection > xPooledConnection = _rIter->second.aConnections.back();
     287         [ #  # ]:          0 :         _rIter->second.aConnections.pop_back();
     288                 :            : 
     289                 :            :         OSL_ENSURE(xPooledConnection.is(),"Can not be null here!");
     290 [ #  # ][ #  # ]:          0 :         xConnection = xPooledConnection->getConnection();
                 [ #  # ]
     291         [ #  # ]:          0 :         Reference< XComponent >  xComponent(xConnection, UNO_QUERY);
     292         [ #  # ]:          0 :         if (xComponent.is())
     293 [ #  # ][ #  # ]:          0 :             xComponent->addEventListener(this);
                 [ #  # ]
     294                 :            : 
     295         [ #  # ]:          0 :         TActiveConnectionInfo aActiveInfo;
     296                 :          0 :         aActiveInfo.aPos = _rIter;
     297         [ #  # ]:          0 :         aActiveInfo.xPooledConnection = xPooledConnection;
     298 [ #  # ][ #  # ]:          0 :         m_aActiveConnections[xConnection] = aActiveInfo;
                 [ #  # ]
     299                 :            :     }
     300                 :          0 :     return xConnection;
     301                 :            : }
     302                 :            : // -----------------------------------------------------------------------------
     303                 :          0 : void SAL_CALL OConnectionPool::propertyChange( const PropertyChangeEvent& evt ) throw (::com::sun::star::uno::RuntimeException)
     304                 :            : {
     305         [ #  # ]:          0 :     if(getTimeoutNodeName() == evt.PropertyName)
     306                 :            :     {
     307                 :          0 :         evt.NewValue >>= m_nALiveCount;
     308                 :          0 :         calculateTimeOuts();
     309                 :            :     }
     310                 :          0 : }
     311                 :            : // -----------------------------------------------------------------------------
     312                 :          0 : void OConnectionPool::calculateTimeOuts()
     313                 :            : {
     314                 :          0 :     sal_Int32 nTimeOutCorrection = 10;
     315         [ #  # ]:          0 :     if(m_nALiveCount < 100)
     316                 :          0 :         nTimeOutCorrection = 20;
     317                 :            : 
     318                 :          0 :     m_nTimeOut      = m_nALiveCount / nTimeOutCorrection;
     319                 :          0 :     m_nALiveCount   = m_nALiveCount / m_nTimeOut;
     320                 :          0 : }
     321                 :            : // -----------------------------------------------------------------------------
     322                 :            : 
     323                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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