diff options
Diffstat (limited to 'connectivity/source/cpool/ZPoolCollection.cxx')
| -rw-r--r-- | connectivity/source/cpool/ZPoolCollection.cxx | 581 |
1 files changed, 581 insertions, 0 deletions
diff --git a/connectivity/source/cpool/ZPoolCollection.cxx b/connectivity/source/cpool/ZPoolCollection.cxx new file mode 100644 index 000000000000..71180220b9c2 --- /dev/null +++ b/connectivity/source/cpool/ZPoolCollection.cxx @@ -0,0 +1,581 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_connectivity.hxx" +#include "ZPoolCollection.hxx" +#include "ZDriverWrapper.hxx" +#include "ZConnectionPool.hxx" +#include <com/sun/star/container/XHierarchicalNameAccess.hpp> +#include <com/sun/star/beans/PropertyValue.hpp> +#include <comphelper/extract.hxx> +#include <com/sun/star/beans/XPropertySet.hpp> +#include "diagnose_ex.h" + +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::sdbc; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::container; +using namespace ::com::sun::star::reflection; +using namespace ::osl; +using namespace connectivity; + +//-------------------------------------------------------------------- +static const ::rtl::OUString& getConnectionPoolNodeName() +{ + static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("org.openoffice.Office.DataAccess/ConnectionPool"); + return s_sNodeName; +} +//-------------------------------------------------------------------- +static const ::rtl::OUString& getEnablePoolingNodeName() +{ + static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("EnablePooling"); + return s_sNodeName; +} +//-------------------------------------------------------------------- +static const ::rtl::OUString& getDriverNameNodeName() +{ + static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("DriverName"); + return s_sNodeName; +} +// ----------------------------------------------------------------------------- +static const ::rtl::OUString& getDriverSettingsNodeName() +{ + static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("DriverSettings"); + return s_sNodeName; +} +//-------------------------------------------------------------------------- +static const ::rtl::OUString& getEnableNodeName() +{ + static ::rtl::OUString s_sNodeName = ::rtl::OUString::createFromAscii("Enable"); + return s_sNodeName; +} + +//-------------------------------------------------------------------- +OPoolCollection::OPoolCollection(const Reference< XMultiServiceFactory >& _rxFactory) + :m_xServiceFactory(_rxFactory) +{ + // bootstrap all objects supporting the .sdb.Driver service + m_xManager = Reference< XDriverManager >(m_xServiceFactory->createInstance(::rtl::OUString::createFromAscii("com.sun.star.sdbc.DriverManager") ), UNO_QUERY); + m_xDriverAccess = Reference< XDriverAccess >(m_xManager, UNO_QUERY); + OSL_ENSURE(m_xDriverAccess.is(), "have no (or an invalid) driver manager!"); + + m_xProxyFactory = Reference< XProxyFactory >( + m_xServiceFactory->createInstance( + ::rtl::OUString::createFromAscii("com.sun.star.reflection.ProxyFactory")), + UNO_QUERY); + OSL_ENSURE(m_xProxyFactory.is(), "OConnectionPool::OConnectionPool: could not create a proxy factory!"); + + Reference<XPropertySet> xProp(getConfigPoolRoot(),UNO_QUERY); + if ( xProp.is() ) + xProp->addPropertyChangeListener(getEnablePoolingNodeName(),this); + // attach as desktop listener to know when we have to release our pools + osl_incrementInterlockedCount( &m_refCount ); + { + + m_xDesktop = Reference< ::com::sun::star::frame::XDesktop>( m_xServiceFactory->createInstance(::rtl::OUString::createFromAscii("com.sun.star.frame.Desktop") ), UNO_QUERY); + if ( m_xDesktop.is() ) + m_xDesktop->addTerminateListener(this); + + } + osl_decrementInterlockedCount( &m_refCount ); +} +// ----------------------------------------------------------------------------- +OPoolCollection::~OPoolCollection() +{ + clearConnectionPools(sal_False); +} +// ----------------------------------------------------------------------------- +Reference< XConnection > SAL_CALL OPoolCollection::getConnection( const ::rtl::OUString& _rURL ) throw(SQLException, RuntimeException) +{ + return getConnectionWithInfo(_rURL,Sequence< PropertyValue >()); +} +// ----------------------------------------------------------------------------- +Reference< XConnection > SAL_CALL OPoolCollection::getConnectionWithInfo( const ::rtl::OUString& _rURL, const Sequence< PropertyValue >& _rInfo ) throw(SQLException, RuntimeException) +{ + MutexGuard aGuard(m_aMutex); + Reference< XConnection > xConnection; + Reference< XDriver > xDriver; + Reference< XInterface > xDriverNode; + ::rtl::OUString sImplName; + if(isPoolingEnabledByUrl(_rURL,xDriver,sImplName,xDriverNode) && xDriver.is()) + { + OConnectionPool* pConnectionPool = getConnectionPool(sImplName,xDriver,xDriverNode); + + if(pConnectionPool) + xConnection = pConnectionPool->getConnectionWithInfo(_rURL,_rInfo); + } + else if(xDriver.is()) + xConnection = xDriver->connect(_rURL,_rInfo); + + return xConnection; +} +// ----------------------------------------------------------------------------- +void SAL_CALL OPoolCollection::setLoginTimeout( sal_Int32 seconds ) throw(RuntimeException) +{ + MutexGuard aGuard(m_aMutex); + m_xManager->setLoginTimeout(seconds); +} +// ----------------------------------------------------------------------------- +sal_Int32 SAL_CALL OPoolCollection::getLoginTimeout( ) throw(RuntimeException) +{ + MutexGuard aGuard(m_aMutex); + return m_xManager->getLoginTimeout(); +} +// ----------------------------------------------------------------------------- +::rtl::OUString SAL_CALL OPoolCollection::getImplementationName( ) throw(RuntimeException) +{ + MutexGuard aGuard(m_aMutex); + return getImplementationName_Static(); +} + +//-------------------------------------------------------------------------- +sal_Bool SAL_CALL OPoolCollection::supportsService( const ::rtl::OUString& _rServiceName ) throw(RuntimeException) +{ + Sequence< ::rtl::OUString > aSupported(getSupportedServiceNames()); + const ::rtl::OUString* pSupported = aSupported.getConstArray(); + const ::rtl::OUString* pEnd = pSupported + aSupported.getLength(); + for (;pSupported != pEnd && !pSupported->equals(_rServiceName); ++pSupported) + ; + + return pSupported != pEnd; +} + +//-------------------------------------------------------------------------- +Sequence< ::rtl::OUString > SAL_CALL OPoolCollection::getSupportedServiceNames( ) throw(RuntimeException) +{ + return getSupportedServiceNames_Static(); +} + +//---------------------------------------OPoolCollection---------------------------------- +Reference< XInterface > SAL_CALL OPoolCollection::CreateInstance(const Reference< XMultiServiceFactory >& _rxFactory) +{ + return static_cast<XDriverManager*>(new OPoolCollection(_rxFactory)); +} + +//-------------------------------------------------------------------------- +::rtl::OUString SAL_CALL OPoolCollection::getImplementationName_Static( ) throw(RuntimeException) +{ + return ::rtl::OUString::createFromAscii("com.sun.star.sdbc.OConnectionPool"); +} + +//-------------------------------------------------------------------------- +Sequence< ::rtl::OUString > SAL_CALL OPoolCollection::getSupportedServiceNames_Static( ) throw(RuntimeException) +{ + Sequence< ::rtl::OUString > aSupported(1); + aSupported[0] = ::rtl::OUString::createFromAscii("com.sun.star.sdbc.ConnectionPool"); + return aSupported; +} +// ----------------------------------------------------------------------------- +Reference< XDriver > SAL_CALL OPoolCollection::getDriverByURL( const ::rtl::OUString& _rURL ) throw(RuntimeException) +{ + // returns the original driver when no connection pooling is enabled else it returns the proxy + MutexGuard aGuard(m_aMutex); + + Reference< XDriver > xDriver; + Reference< XInterface > xDriverNode; + ::rtl::OUString sImplName; + if(isPoolingEnabledByUrl(_rURL,xDriver,sImplName,xDriverNode)) + { + Reference< XDriver > xExistentProxy; + // look if we already have a proxy for this driver + for ( ConstMapDriver2DriverRefIterator aLookup = m_aDriverProxies.begin(); + aLookup != m_aDriverProxies.end(); + ++aLookup + ) + { + // hold the proxy alive as long as we're in this loop round + xExistentProxy = aLookup->second; + + if (xExistentProxy.is() && (aLookup->first.get() == xDriver.get())) + // already created a proxy for this + break; + } + if (xExistentProxy.is()) + { + xDriver = xExistentProxy; + } + else + { // create a new proxy for the driver + // this allows us to control the connections created by it + if (m_xProxyFactory.is()) + { + Reference< XAggregation > xDriverProxy = m_xProxyFactory->createProxy(xDriver.get()); + OSL_ENSURE(xDriverProxy.is(), "OConnectionPool::getDriverByURL: invalid proxy returned by the proxy factory!"); + + OConnectionPool* pConnectionPool = getConnectionPool(sImplName,xDriver,xDriverNode); + xDriver = new ODriverWrapper(xDriverProxy, pConnectionPool); + } + else + OSL_ENSURE(sal_False, "OConnectionPool::getDriverByURL: could not instantiate a proxy factory!"); + } + } + + return xDriver; +} +// ----------------------------------------------------------------------------- +sal_Bool OPoolCollection::isDriverPoolingEnabled(const ::rtl::OUString& _sDriverImplName, + Reference< XInterface >& _rxDriverNode) +{ + sal_Bool bEnabled = sal_False; + Reference<XInterface> xConnectionPoolRoot = getConfigPoolRoot(); + // then look for which of them settings are stored in the configuration + Reference< XNameAccess > xDirectAccess(openNode(getDriverSettingsNodeName(),xConnectionPoolRoot),UNO_QUERY); + + if(xDirectAccess.is()) + { + Sequence< ::rtl::OUString > aDriverKeys = xDirectAccess->getElementNames(); + const ::rtl::OUString* pDriverKeys = aDriverKeys.getConstArray(); + const ::rtl::OUString* pDriverKeysEnd = pDriverKeys + aDriverKeys.getLength(); + for (;pDriverKeys != pDriverKeysEnd; ++pDriverKeys) + { + // the name of the driver in this round + if(_sDriverImplName == *pDriverKeys) + { + _rxDriverNode = openNode(*pDriverKeys,xDirectAccess); + if(_rxDriverNode.is()) + getNodeValue(getEnableNodeName(),_rxDriverNode) >>= bEnabled; + break; + } + } + } + return bEnabled; +} +// ----------------------------------------------------------------------------- +sal_Bool OPoolCollection::isPoolingEnabled() +{ + // the config node where all pooling relevant info are stored under + Reference<XInterface> xConnectionPoolRoot = getConfigPoolRoot(); + + // the global "enabled" flag + sal_Bool bEnabled = sal_False; + if(xConnectionPoolRoot.is()) + getNodeValue(getEnablePoolingNodeName(),xConnectionPoolRoot) >>= bEnabled; + return bEnabled; +} +// ----------------------------------------------------------------------------- +Reference<XInterface> OPoolCollection::getConfigPoolRoot() +{ + if(!m_xConfigNode.is()) + m_xConfigNode = createWithServiceFactory(getConnectionPoolNodeName()); + return m_xConfigNode; +} +// ----------------------------------------------------------------------------- +sal_Bool OPoolCollection::isPoolingEnabledByUrl(const ::rtl::OUString& _sUrl, + Reference< XDriver >& _rxDriver, + ::rtl::OUString& _rsImplName, + Reference< XInterface >& _rxDriverNode) +{ + sal_Bool bEnabled = sal_False; + if (m_xDriverAccess.is()) + { + _rxDriver = m_xDriverAccess->getDriverByURL(_sUrl); + if (_rxDriver.is() && isPoolingEnabled()) + { + Reference< XServiceInfo > xSerivceInfo(_rxDriver,UNO_QUERY); + OSL_ENSURE(xSerivceInfo.is(),"Each driver should have a XServiceInfo interface!"); + + if(xSerivceInfo.is()) + { + // look for the implementation name of the driver + _rsImplName = xSerivceInfo->getImplementationName(); + bEnabled = isDriverPoolingEnabled(_rsImplName,_rxDriverNode); + } + } + } + return bEnabled; +} +// ----------------------------------------------------------------------------- +void OPoolCollection::clearConnectionPools(sal_Bool _bDispose) +{ + OConnectionPools::const_iterator aIter = m_aPools.begin(); + while(aIter != m_aPools.end()) + { + aIter->second->clear(_bDispose); + aIter->second->release(); + ::rtl::OUString sKeyValue = aIter->first; + ++aIter; + m_aPools.erase(sKeyValue); + } +} +// ----------------------------------------------------------------------------- +OConnectionPool* OPoolCollection::getConnectionPool(const ::rtl::OUString& _sImplName, + const Reference< XDriver >& _xDriver, + const Reference< XInterface >& _xDriverNode) +{ + OConnectionPool *pRet = 0; + OConnectionPools::const_iterator aFind = m_aPools.find(_sImplName); + if (aFind != m_aPools.end()) + pRet = aFind->second; + else if (_xDriver.is() && _xDriverNode.is()) + { + Reference<XPropertySet> xProp(_xDriverNode,UNO_QUERY); + if(xProp.is()) + xProp->addPropertyChangeListener(getEnableNodeName(),this); + OConnectionPool* pConnectionPool = new OConnectionPool(_xDriver,_xDriverNode,m_xProxyFactory); + pConnectionPool->acquire(); + aFind = m_aPools.insert(OConnectionPools::value_type(_sImplName,pConnectionPool)).first; + pRet = aFind->second; + } + + OSL_ENSURE(pRet, "Could not query DriverManager from ConnectionPool!"); + + return pRet; +} +// ----------------------------------------------------------------------------- +Reference< XInterface > OPoolCollection::createWithServiceFactory(const ::rtl::OUString& _rPath) const +{ + Reference< XInterface > xInterface; + try + { + Reference< XInterface > xProvider = m_xServiceFactory->createInstance(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.configuration.ConfigurationProvider"))); + OSL_ENSURE(xProvider.is(), "OConfigurationTreeRoot::createWithServiceFactory: could not instantiate the config provider service!"); + Reference< XMultiServiceFactory > xProviderAsFac(xProvider, UNO_QUERY); + OSL_ENSURE(xProviderAsFac.is() || !xProvider.is(), "OConfigurationTreeRoot::createWithServiceFactory: the provider is missing an interface!"); + if (xProviderAsFac.is()) + xInterface = createWithProvider(xProviderAsFac, _rPath); + } + catch(const Exception&) + { + OSL_ENSURE(sal_False, "createWithServiceFactory: error while instantiating the provider service!"); + } + return xInterface; +} +//------------------------------------------------------------------------ +Reference< XInterface > OPoolCollection::createWithProvider(const Reference< XMultiServiceFactory >& _rxConfProvider, + const ::rtl::OUString& _rPath) const +{ + OSL_ENSURE(_rxConfProvider.is(), "createWithProvider: invalid provider!"); + + Reference< XInterface > xInterface; +#ifdef DBG_UTIL + if (_rxConfProvider.is()) + { + try + { + Reference< XServiceInfo > xSI(_rxConfProvider, UNO_QUERY); + if (!xSI.is()) + { + OSL_ENSURE(sal_False, "::createWithProvider: no XServiceInfo interface on the provider!"); + } + else + { + OSL_ENSURE(xSI->supportsService(::rtl::OUString::createFromAscii("com.sun.star.configuration.ConfigurationProvider")), + "::createWithProvider: sure this is a provider? Missing the ConfigurationProvider service!"); + } + } + catch(const Exception&) + { + OSL_ENSURE(sal_False, "::createWithProvider: unable to check the service conformance of the provider given!"); + } + } +#endif + + if (_rxConfProvider.is()) + { + try + { + Sequence< Any > aCreationArgs(3); + aCreationArgs[0] = makeAny(PropertyValue(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("nodepath")), 0, makeAny(_rPath), PropertyState_DIRECT_VALUE)); + aCreationArgs[1] = makeAny(PropertyValue(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("depth")), 0, makeAny((sal_Int32)-1), PropertyState_DIRECT_VALUE)); + aCreationArgs[2] = makeAny(PropertyValue(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("lazywrite")), 0, makeAny(sal_True), PropertyState_DIRECT_VALUE)); + + static ::rtl::OUString sAccessService = ::rtl::OUString::createFromAscii("com.sun.star.configuration.ConfigurationAccess"); + + xInterface = _rxConfProvider->createInstanceWithArguments(sAccessService, aCreationArgs); + OSL_ENSURE(xInterface.is(), "::createWithProvider: could not create the node access!"); + } + catch(Exception&) + { + OSL_ENSURE(sal_False, "OConfigurationTreeRoot::createWithProvider: caught an exception while creating the access object!"); + } + } + return xInterface; +} +// ----------------------------------------------------------------------------- +Reference<XInterface> OPoolCollection::openNode(const ::rtl::OUString& _rPath,const Reference<XInterface>& _xTreeNode) const throw() +{ + Reference< XHierarchicalNameAccess > xHierarchyAccess(_xTreeNode, UNO_QUERY); + Reference< XNameAccess > xDirectAccess(_xTreeNode, UNO_QUERY); + Reference< XInterface > xNode; + + try + { + if (xDirectAccess.is() && xDirectAccess->hasByName(_rPath)) + { + if (!::cppu::extractInterface(xNode, xDirectAccess->getByName(_rPath))) + OSL_ENSURE(sal_False, "OConfigurationNode::openNode: could not open the node!"); + } + else if (xHierarchyAccess.is()) + { + if (!::cppu::extractInterface(xNode, xHierarchyAccess->getByHierarchicalName(_rPath))) + OSL_ENSURE(sal_False, "OConfigurationNode::openNode: could not open the node!"); + } + + } + catch(const NoSuchElementException&) + { + OSL_ENSURE(sal_False, + ::rtl::OString("::openNode: there is no element named ") + += ::rtl::OString(_rPath.getStr(), _rPath.getLength(), RTL_TEXTENCODING_ASCII_US) + += ::rtl::OString("!")); + } + catch(Exception&) + { + OSL_ENSURE(sal_False, "OConfigurationNode::openNode: caught an exception while retrieving the node!"); + } + return xNode; +} +// ----------------------------------------------------------------------------- +Any OPoolCollection::getNodeValue(const ::rtl::OUString& _rPath,const Reference<XInterface>& _xTreeNode) throw() +{ + Reference< XHierarchicalNameAccess > xHierarchyAccess(_xTreeNode, UNO_QUERY); + Reference< XNameAccess > xDirectAccess(_xTreeNode, UNO_QUERY); + Any aReturn; + try + { + if (xDirectAccess.is() && xDirectAccess->hasByName(_rPath) ) + { + aReturn = xDirectAccess->getByName(_rPath); + } + else if (xHierarchyAccess.is()) + { + aReturn = xHierarchyAccess->getByHierarchicalName(_rPath); + } + } + catch(NoSuchElementException& e) + { + OSL_UNUSED( e ); // make compiler happy + OSL_ENSURE(sal_False, + ::rtl::OString("::getNodeValue: caught a NoSuchElementException while trying to open ") + += ::rtl::OString(e.Message.getStr(), e.Message.getLength(), RTL_TEXTENCODING_ASCII_US) + += ::rtl::OString("!")); + } + return aReturn; +} +// ----------------------------------------------------------------------------- +void SAL_CALL OPoolCollection::queryTermination( const EventObject& /*Event*/ ) throw (::com::sun::star::frame::TerminationVetoException, RuntimeException) +{ +} +// ----------------------------------------------------------------------------- +void SAL_CALL OPoolCollection::notifyTermination( const EventObject& /*Event*/ ) throw (RuntimeException) +{ + clearDesktop(); +} +// ----------------------------------------------------------------------------- +void SAL_CALL OPoolCollection::disposing( const EventObject& Source ) throw (RuntimeException) +{ + MutexGuard aGuard(m_aMutex); + if ( m_xDesktop == Source.Source ) + { + clearDesktop(); + } + else + { + try + { + Reference<XPropertySet> xProp(Source.Source,UNO_QUERY); + if(Source.Source == m_xConfigNode) + { + if ( xProp.is() ) + xProp->removePropertyChangeListener(getEnablePoolingNodeName(),this); + m_xConfigNode.clear(); + } + else if ( xProp.is() ) + xProp->removePropertyChangeListener(getEnableNodeName(),this); + } + catch(const Exception&) + { + OSL_ENSURE(0,"Exception caught"); + } + } +} +// ----------------------------------------------------------------------------- +void SAL_CALL OPoolCollection::propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& evt ) throw (RuntimeException) +{ + MutexGuard aGuard(m_aMutex); + if(evt.Source == m_xConfigNode) + { + sal_Bool bEnabled = sal_True; + evt.NewValue >>= bEnabled; + if(!bEnabled ) + { + m_aDriverProxies.clear(); + m_aDriverProxies = MapDriver2DriverRef(); + OConnectionPools::iterator aIter = m_aPools.begin(); + for(;aIter != m_aPools.end();++aIter) + { + aIter->second->clear(sal_False); + aIter->second->release(); + } + m_aPools.clear(); + m_aPools = OConnectionPools(); + } + } + else if(evt.Source.is()) + { + sal_Bool bEnabled = sal_True; + evt.NewValue >>= bEnabled; + if(!bEnabled) + { + ::rtl::OUString sThisDriverName; + getNodeValue(getDriverNameNodeName(),evt.Source) >>= sThisDriverName; + // 1nd relase the driver + // look if we already have a proxy for this driver + MapDriver2DriverRefIterator aLookup = m_aDriverProxies.begin(); + while( aLookup != m_aDriverProxies.end()) + { + MapDriver2DriverRefIterator aFind = aLookup; + Reference<XServiceInfo> xInfo(aLookup->first,UNO_QUERY); + ++aLookup; + if(xInfo.is() && xInfo->getImplementationName() == sThisDriverName) + m_aDriverProxies.erase(aFind); + } + + // 2nd clear the connectionpool + OConnectionPools::iterator aFind = m_aPools.find(sThisDriverName); + if(aFind != m_aPools.end() && aFind->second) + { + aFind->second->clear(sal_False); + aFind->second->release(); + m_aPools.erase(aFind); + } + } + } +} +// ----------------------------------------------------------------------------- +void OPoolCollection::clearDesktop() +{ + clearConnectionPools(sal_True); + if ( m_xDesktop.is() ) + m_xDesktop->removeTerminateListener(this); +m_xDesktop.clear(); +} +// ----------------------------------------------------------------------------- + + |