72c05eda32
Change-Id: Icc0fc8162321296307f2b01e3fe39be3a69d5d10 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/148659 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
147 lines
5.6 KiB
C++
147 lines
5.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <sal/config.h>
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#include <map>
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#include <mutex>
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#include <vector>
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#include <com/sun/star/sdbc/XPooledConnection.hpp>
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#include <com/sun/star/sdbc/XDriver.hpp>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <com/sun/star/beans/XPropertyChangeListener.hpp>
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#include <com/sun/star/reflection/XProxyFactory.hpp>
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#include <cppuhelper/implbase.hxx>
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#include <osl/mutex.hxx>
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#include <salhelper/timer.hxx>
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#include <rtl/ref.hxx>
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#include <rtl/digest.h>
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namespace connectivity
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{
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class OConnectionPool;
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/// OPoolTimer - Invalidates the connection pool
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class OPoolTimer : public ::salhelper::Timer
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{
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OConnectionPool* m_pPool;
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public:
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OPoolTimer(OConnectionPool* _pPool,const ::salhelper::TTimeValue& Time)
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: ::salhelper::Timer(Time)
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,m_pPool(_pPool)
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{}
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protected:
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virtual void SAL_CALL onShot() override;
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};
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// OConnectionPool - the one-instance service for PooledConnections
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// manages the active connections and the connections in the pool
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// typedef for the internal structure
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typedef std::vector< css::uno::Reference< css::sdbc::XPooledConnection> > TPooledConnections;
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// contains the currently pooled connections
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struct TConnectionPool
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{
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TPooledConnections aConnections;
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sal_Int32 nALiveCount; // will be decremented every time a time says to, when will reach zero the pool will be deleted
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};
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struct TDigestHolder
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{
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sal_uInt8 m_pBuffer[RTL_DIGEST_LENGTH_SHA1];
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TDigestHolder()
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{
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m_pBuffer[0] = 0;
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}
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};
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// typedef TDigestHolder
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struct TDigestLess
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{
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bool operator() (const TDigestHolder& x, const TDigestHolder& y) const
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{
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sal_uInt32 i;
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for(i=0;i < RTL_DIGEST_LENGTH_SHA1 && (x.m_pBuffer[i] >= y.m_pBuffer[i]); ++i)
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;
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return i < RTL_DIGEST_LENGTH_SHA1;
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}
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};
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typedef std::map< TDigestHolder,TConnectionPool,TDigestLess> TConnectionMap;
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// contains additional information about an activeconnection which is needed to put it back to the pool
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struct TActiveConnectionInfo
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{
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TConnectionMap::iterator aPos;
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css::uno::Reference< css::sdbc::XPooledConnection> xPooledConnection;
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};
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typedef std::map< css::uno::Reference< css::sdbc::XConnection>,
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TActiveConnectionInfo> TActiveConnectionMap;
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class OConnectionPool : public ::cppu::WeakImplHelper< css::beans::XPropertyChangeListener>
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{
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TConnectionMap m_aPool; // the pooled connections
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TActiveConnectionMap m_aActiveConnections; // the currently active connections
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std::mutex m_aMutex;
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::rtl::Reference<OPoolTimer> m_xInvalidator; // invalidates the conntection pool when shot
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css::uno::Reference< css::sdbc::XDriver > m_xDriver; // the one and only driver for this connectionpool
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css::uno::Reference< css::uno::XInterface > m_xDriverNode; // config node entry
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css::uno::Reference< css::reflection::XProxyFactory > m_xProxyFactory;
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sal_Int32 m_nTimeOut;
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sal_Int32 m_nALiveCount;
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private:
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css::uno::Reference< css::sdbc::XConnection> createNewConnection(const OUString& _rURL,
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const css::uno::Sequence< css::beans::PropertyValue >& _rInfo);
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css::uno::Reference< css::sdbc::XConnection> getPooledConnection(TConnectionMap::iterator const & _rIter);
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// calculate the timeout and the corresponding ALiveCount
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void calculateTimeOuts();
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protected:
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// the dtor will be called from the last instance (last release call)
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virtual ~OConnectionPool() override;
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public:
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OConnectionPool(const css::uno::Reference< css::sdbc::XDriver >& _xDriver,
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const css::uno::Reference< css::uno::XInterface >& _xDriverNode,
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const css::uno::Reference< css::reflection::XProxyFactory >& _rxProxyFactory);
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// delete all refs
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void clear(bool _bDispose);
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/// @throws css::sdbc::SQLException
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/// @throws css::uno::RuntimeException
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css::uno::Reference< css::sdbc::XConnection > getConnectionWithInfo( const OUString& url, const css::uno::Sequence< css::beans::PropertyValue >& info );
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// XEventListener
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virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
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// XPropertyChangeListener
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virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& evt ) override;
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void invalidatePooledConnections();
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};
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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