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Diffstat (limited to 'connectivity/source/drivers/ado/AConnection.cxx')
| -rw-r--r-- | connectivity/source/drivers/ado/AConnection.cxx | 568 |
1 files changed, 568 insertions, 0 deletions
diff --git a/connectivity/source/drivers/ado/AConnection.cxx b/connectivity/source/drivers/ado/AConnection.cxx new file mode 100644 index 000000000..686a9fed5 --- /dev/null +++ b/connectivity/source/drivers/ado/AConnection.cxx @@ -0,0 +1,568 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <cstddef> +#include <string_view> + +#include <ado/AConnection.hxx> +#include <ado/ADatabaseMetaData.hxx> +#include <ado/ADriver.hxx> +#include <ado/AStatement.hxx> +#include <ado/ACallableStatement.hxx> +#include <ado/APreparedStatement.hxx> +#include <ado/ACatalog.hxx> +#include <com/sun/star/sdbc/ColumnValue.hpp> +#include <com/sun/star/sdbc/TransactionIsolation.hpp> +#include <com/sun/star/sdbc/XRow.hpp> +#include <com/sun/star/lang/DisposedException.hpp> +#include <comphelper/servicehelper.hxx> +#include <connectivity/dbexception.hxx> +#include <o3tl/string_view.hxx> +#include <osl/file.hxx> +#include <systools/win32/oleauto.hxx> +#include <strings.hrc> + +using namespace dbtools; +using namespace connectivity::ado; +using namespace com::sun::star::uno; +using namespace com::sun::star::lang; +using namespace com::sun::star::beans; +using namespace com::sun::star::sdbc; +using namespace com::sun::star::sdbcx; + + +IMPLEMENT_SERVICE_INFO(OConnection,"com.sun.star.sdbcx.AConnection","com.sun.star.sdbc.Connection"); + +OConnection::OConnection(ODriver* _pDriver) + : m_xCatalog(nullptr), + m_pDriver(_pDriver), + m_pCatalog(nullptr), + m_nEngineType(0), + m_bClosed(false), + m_bAutocommit(true) +{ + osl_atomic_increment( &m_refCount ); + + sal::systools::COMReference<IClassFactory2> pIUnknown; + if (!FAILED(pIUnknown.CoGetClassObject(ADOS::CLSID_ADOCONNECTION_21, CLSCTX_INPROC_SERVER))) + { + HRESULT hr = pIUnknown->CreateInstanceLic(nullptr, + nullptr, + ADOS::IID_ADOCONNECTION_21, + ADOS::GetKeyStr(), + reinterpret_cast<void**>(&m_aAdoConnection)); + + if( !FAILED( hr ) ) + { + OSL_ENSURE(m_aAdoConnection, "OConnection::OConnection: invalid ADO object!"); + } + } + + osl_atomic_decrement( &m_refCount ); +} + +OConnection::~OConnection() +{ +} + +void OConnection::construct(std::u16string_view url,const Sequence< PropertyValue >& info) +{ + osl_atomic_increment( &m_refCount ); + + setConnectionInfo(info); + + std::size_t nLen = url.find(':'); + nLen = url.find(':',nLen == std::u16string_view::npos ? 0 : nLen+1); + std::u16string_view aDSN(url.substr(nLen == std::u16string_view::npos ? 0 : nLen+1)); + OUString aUID,aPWD; + o3tl::starts_with(aDSN, u"access:", &aDSN); + + sal_Int32 nTimeout = 20; + const PropertyValue *pIter = info.getConstArray(); + const PropertyValue *pEnd = pIter + info.getLength(); + for(;pIter != pEnd;++pIter) + { + if(pIter->Name == "Timeout") + pIter->Value >>= nTimeout; + else if(pIter->Name == "user") + pIter->Value >>= aUID; + else if(pIter->Name == "password") + pIter->Value >>= aPWD; + } + try + { + if(m_aAdoConnection) + { + if(m_aAdoConnection.Open(aDSN,aUID,aPWD,adConnectUnspecified)) + m_aAdoConnection.PutCommandTimeout(nTimeout); + else + ADOS::ThrowException(m_aAdoConnection,*this); + if(m_aAdoConnection.get_State() != adStateOpen) + throwGenericSQLException( STR_NO_CONNECTION,*this ); + + WpADOProperties aProps = m_aAdoConnection.get_Properties(); + if(aProps.IsValid()) + { + OTools::putValue(aProps, std::u16string_view(u"Jet OLEDB:ODBC Parsing"), true); + OLEVariant aVar( + OTools::getValue(aProps, std::u16string_view(u"Jet OLEDB:Engine Type"))); + if(!aVar.isNull() && !aVar.isEmpty()) + m_nEngineType = aVar.getInt32(); + } + buildTypeInfo(); + //bErg = TRUE; + } + else + ::dbtools::throwFunctionSequenceException(*this); + + } + catch(const Exception& ) + { + osl_atomic_decrement( &m_refCount ); + throw; + } + osl_atomic_decrement( &m_refCount ); +} + +Reference< XStatement > SAL_CALL OConnection::createStatement( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + Reference< XStatement > xStmt = new OStatement(this); + m_aStatements.push_back(WeakReferenceHelper(xStmt)); + return xStmt; +} + +Reference< XPreparedStatement > SAL_CALL OConnection::prepareStatement( const OUString& sql ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + Reference< XPreparedStatement > xPStmt = new OPreparedStatement(this, sql); + m_aStatements.push_back(WeakReferenceHelper(xPStmt)); + return xPStmt; +} + +Reference< XPreparedStatement > SAL_CALL OConnection::prepareCall( const OUString& sql ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + Reference< XPreparedStatement > xPStmt = new OCallableStatement(this, sql); + m_aStatements.push_back(WeakReferenceHelper(xPStmt)); + return xPStmt; +} + +OUString SAL_CALL OConnection::nativeSQL( const OUString& _sql ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + OUString sql = _sql; + WpADOProperties aProps = m_aAdoConnection.get_Properties(); + if(aProps.IsValid()) + { + OTools::putValue(aProps, std::u16string_view(u"Jet OLEDB:ODBC Parsing"), true); + WpADOCommand aCommand; + aCommand.Create(); + aCommand.put_ActiveConnection(static_cast<IDispatch*>(m_aAdoConnection)); + aCommand.put_CommandText(sql); + sql = aCommand.get_CommandText(); + } + + return sql; +} + +void SAL_CALL OConnection::setAutoCommit( sal_Bool autoCommit ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + m_bAutocommit = autoCommit; + if(!autoCommit) + m_aAdoConnection.BeginTrans(); + else + m_aAdoConnection.RollbackTrans(); +} + +sal_Bool SAL_CALL OConnection::getAutoCommit( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + return m_bAutocommit; +} + +void SAL_CALL OConnection::commit( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + m_aAdoConnection.CommitTrans(); +} + +void SAL_CALL OConnection::rollback( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + m_aAdoConnection.RollbackTrans(); +} + +sal_Bool SAL_CALL OConnection::isClosed( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + return OConnection_BASE::rBHelper.bDisposed && !m_aAdoConnection.get_State(); +} + +Reference< XDatabaseMetaData > SAL_CALL OConnection::getMetaData( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + Reference< XDatabaseMetaData > xMetaData = m_xMetaData; + if(!xMetaData.is()) + { + xMetaData = new ODatabaseMetaData(this); + m_xMetaData = xMetaData; + } + + return xMetaData; +} + +void SAL_CALL OConnection::setReadOnly( sal_Bool readOnly ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + m_aAdoConnection.put_Mode(readOnly ? adModeRead : adModeReadWrite); + ADOS::ThrowException(m_aAdoConnection,*this); +} + +sal_Bool SAL_CALL OConnection::isReadOnly( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + return m_aAdoConnection.get_Mode() == adModeRead; +} + +void SAL_CALL OConnection::setCatalog( const OUString& catalog ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + m_aAdoConnection.PutDefaultDatabase(catalog); + ADOS::ThrowException(m_aAdoConnection,*this); +} + +OUString SAL_CALL OConnection::getCatalog( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + return m_aAdoConnection.GetDefaultDatabase(); +} + +void SAL_CALL OConnection::setTransactionIsolation( sal_Int32 level ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + IsolationLevelEnum eIso; + switch(level) + { + case TransactionIsolation::NONE: + eIso = adXactUnspecified; + break; + case TransactionIsolation::READ_UNCOMMITTED: + eIso = adXactReadUncommitted; + break; + case TransactionIsolation::READ_COMMITTED: + eIso = adXactReadCommitted; + break; + case TransactionIsolation::REPEATABLE_READ: + eIso = adXactRepeatableRead; + break; + case TransactionIsolation::SERIALIZABLE: + eIso = adXactSerializable; + break; + default: + OSL_FAIL("OConnection::setTransactionIsolation invalid level"); + return; + } + m_aAdoConnection.put_IsolationLevel(eIso); + ADOS::ThrowException(m_aAdoConnection,*this); +} + +sal_Int32 SAL_CALL OConnection::getTransactionIsolation( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + sal_Int32 nRet = 0; + switch(m_aAdoConnection.get_IsolationLevel()) + { + case adXactUnspecified: + nRet = TransactionIsolation::NONE; + break; + case adXactReadUncommitted: + nRet = TransactionIsolation::READ_UNCOMMITTED; + break; + case adXactReadCommitted: + nRet = TransactionIsolation::READ_COMMITTED; + break; + case adXactRepeatableRead: + nRet = TransactionIsolation::REPEATABLE_READ; + break; + case adXactSerializable: + nRet = TransactionIsolation::SERIALIZABLE; + break; + default: + OSL_FAIL("OConnection::setTransactionIsolation invalid level"); + } + ADOS::ThrowException(m_aAdoConnection,*this); + return nRet; +} + +Reference< css::container::XNameAccess > SAL_CALL OConnection::getTypeMap( ) +{ + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + + return nullptr; +} + +void SAL_CALL OConnection::setTypeMap( const Reference< css::container::XNameAccess >& /*typeMap*/ ) +{ + ::dbtools::throwFeatureNotImplementedSQLException( "XConnection::setTypeMap", *this ); +} + +// XCloseable +void SAL_CALL OConnection::close( ) +{ + { + ::osl::MutexGuard aGuard( m_aMutex ); + checkDisposed(OConnection_BASE::rBHelper.bDisposed); + + } + dispose(); +} + +// XWarningsSupplier +Any SAL_CALL OConnection::getWarnings( ) +{ + return Any(); +} + +void SAL_CALL OConnection::clearWarnings( ) +{ +} + +void OConnection::buildTypeInfo() +{ + ::osl::MutexGuard aGuard( m_aMutex ); + + ADORecordset *pRecordset = m_aAdoConnection.getTypeInfo(); + if ( pRecordset ) + { + pRecordset->AddRef(); + VARIANT_BOOL bIsAtBOF; + pRecordset->get_BOF(&bIsAtBOF); + + bool bOk = true; + if ( bIsAtBOF == VARIANT_TRUE ) + bOk = SUCCEEDED(pRecordset->MoveNext()); + + if ( bOk ) + { + // HACK for access + static const char s_sVarChar[] = "VarChar"; + do + { + sal_Int32 nPos = 1; + OExtendedTypeInfo* aInfo = new OExtendedTypeInfo; + aInfo->aSimpleType.aTypeName = ADOS::getField(pRecordset,nPos++).get_Value().getString(); + aInfo->eType = static_cast<DataTypeEnum>(ADOS::getField(pRecordset,nPos++).get_Value().getInt32()); + if ( aInfo->eType == adWChar && aInfo->aSimpleType.aTypeName == s_sVarChar ) + aInfo->eType = adVarWChar; + aInfo->aSimpleType.nType = static_cast<sal_Int16>(ADOS::MapADOType2Jdbc(aInfo->eType)); + aInfo->aSimpleType.nPrecision = ADOS::getField(pRecordset,nPos++).get_Value().getInt32(); + nPos++; // aLiteralPrefix + nPos++; // aLiteralSuffix + nPos++; // aCreateParams + nPos++; // bNullable + nPos++; // bCaseSensitive + nPos++; // nSearchType + nPos++; // bUnsigned + nPos++; // bCurrency + nPos++; // bAutoIncrement + aInfo->aSimpleType.aLocalTypeName = ADOS::getField(pRecordset,nPos++).get_Value().getString(); + nPos++; // nMinimumScale + aInfo->aSimpleType.nMaximumScale = ADOS::getField(pRecordset,nPos++).get_Value().getInt16(); + if ( adCurrency == aInfo->eType && !aInfo->aSimpleType.nMaximumScale) + { + aInfo->aSimpleType.nMaximumScale = 4; + } + nPos++; // nNumPrecRadix + // Now that we have the type info, save it + // in the Hashtable if we don't already have an + // entry for this SQL type. + + m_aTypeInfo.emplace(aInfo->eType,aInfo); + } + while ( SUCCEEDED(pRecordset->MoveNext()) ); + } + pRecordset->Release(); + } +} + +void OConnection::disposing() +{ + ::osl::MutexGuard aGuard(m_aMutex); + + OConnection_BASE::disposing(); + + m_bClosed = true; + m_xMetaData = css::uno::WeakReference< css::sdbc::XDatabaseMetaData>(); + m_xCatalog = css::uno::WeakReference< css::sdbcx::XTablesSupplier>(); + m_pDriver = nullptr; + + m_aAdoConnection.Close(); + + for (auto& rEntry : m_aTypeInfo) + delete rEntry.second; + + m_aTypeInfo.clear(); + + m_aAdoConnection.clear(); +} + +sal_Int64 SAL_CALL OConnection::getSomething( const css::uno::Sequence< sal_Int8 >& rId ) +{ + return comphelper::getSomethingImpl(rId, this, + comphelper::FallbackToGetSomethingOf<OConnection_BASE>{}); +} + +Sequence< sal_Int8 > OConnection::getUnoTunnelId() +{ + static const comphelper::UnoIdInit implId; + return implId.getSeq(); +} + +const OExtendedTypeInfo* OConnection::getTypeInfoFromType(const OTypeInfoMap& _rTypeInfo, + DataTypeEnum _nType, + const OUString& _sTypeName, + sal_Int32 _nPrecision, + sal_Int32 _nScale, + bool& _brForceToType) +{ + const OExtendedTypeInfo* pTypeInfo = nullptr; + _brForceToType = false; + // search for type + std::pair<OTypeInfoMap::const_iterator, OTypeInfoMap::const_iterator> aPair = _rTypeInfo.equal_range(_nType); + OTypeInfoMap::const_iterator aIter = aPair.first; + if(aIter != _rTypeInfo.end()) // compare with end is correct here + { + for(;aIter != aPair.second;++aIter) + { + // search the best matching type + OExtendedTypeInfo* pInfo = aIter->second; + if ( ( !_sTypeName.getLength() + || (pInfo->aSimpleType.aTypeName.equalsIgnoreAsciiCase(_sTypeName)) + ) + && (pInfo->aSimpleType.nPrecision >= _nPrecision) + && (pInfo->aSimpleType.nMaximumScale >= _nScale) + + ) + break; + } + + if (aIter == aPair.second) + { + for(aIter = aPair.first; aIter != aPair.second; ++aIter) + { + // search the best matching type (now comparing the local names) + if ( (aIter->second->aSimpleType.aLocalTypeName.equalsIgnoreAsciiCase(_sTypeName)) + && (aIter->second->aSimpleType.nPrecision >= _nPrecision) + && (aIter->second->aSimpleType.nMaximumScale >= _nScale) + ) + { +// we can not assert here because we could be in d&d +/* + OSL_FAIL(( OString("getTypeInfoFromType: assuming column type ") + += OString(aIter->second->aTypeName.getStr(), aIter->second->aTypeName.getLength(), osl_getThreadTextEncoding()) + += OString("\" (expected type name ") + += OString(_sTypeName.getStr(), _sTypeName.getLength(), osl_getThreadTextEncoding()) + += OString(" matches the type's local name).")).getStr()); +*/ + break; + } + } + } + + if (aIter == aPair.second) + { // no match for the names, no match for the local names + // -> drop the precision and the scale restriction, accept any type with the property + // type id (nType) + + // we can not assert here because we could be in d&d + pTypeInfo = aPair.first->second; + _brForceToType = true; + } + else + pTypeInfo = aIter->second; + } + else if ( _sTypeName.getLength() ) + { + ::comphelper::UStringMixEqual aCase(false); + // search for typeinfo where the typename is equal _sTypeName + OTypeInfoMap::const_iterator aFind = std::find_if(_rTypeInfo.begin(), _rTypeInfo.end(), + [&aCase, &_sTypeName] (const OTypeInfoMap::value_type& typeInfo) { + return aCase(typeInfo.second->getDBName(), _sTypeName); + }); + + if(aFind != _rTypeInfo.end()) + pTypeInfo = aFind->second; + } + +// we can not assert here because we could be in d&d +// OSL_ENSURE(pTypeInfo, "getTypeInfoFromType: no type info found for this type!"); + return pTypeInfo; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |