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/* -*- 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 <odbc/OTools.hxx>
#include <odbc/OConnection.hxx>
#include <odbc/ODatabaseMetaData.hxx>
#include <odbc/OFunctions.hxx>
#include <odbc/ODriver.hxx>
#include <odbc/OStatement.hxx>
#include <odbc/OPreparedStatement.hxx>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <connectivity/dbcharset.hxx>
#include <connectivity/FValue.hxx>
#include <comphelper/extract.hxx>
#include <connectivity/dbexception.hxx>
#include <string.h>
using namespace connectivity::odbc;
using namespace connectivity;
using namespace dbtools;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::sdbc;
OConnection::OConnection(const SQLHANDLE _pDriverHandle,ODBCDriver* _pDriver)
:m_xDriver(_pDriver)
,m_aConnectionHandle(nullptr)
,m_pDriverHandleCopy(_pDriverHandle)
,m_nStatementCount(0)
,m_bClosed(false)
,m_bUseCatalog(false)
,m_bUseOldDateFormat(false)
,m_bIgnoreDriverPrivileges(false)
,m_bPreventGetVersionColumns(false)
,m_bReadOnly(true)
{
}
OConnection::~OConnection()
{
if(!isClosed( ))
close();
if ( SQL_NULL_HANDLE != m_aConnectionHandle )
{
SQLRETURN rc;
rc = N3SQLDisconnect( m_aConnectionHandle );
OSL_ENSURE( rc == SQL_SUCCESS || rc == SQL_SUCCESS_WITH_INFO, "Failure from SQLDisconnect" );
rc = N3SQLFreeHandle( SQL_HANDLE_DBC, m_aConnectionHandle );
OSL_ENSURE( rc == SQL_SUCCESS , "Failure from SQLFreeHandle for connection");
m_aConnectionHandle = SQL_NULL_HANDLE;
}
}
oslGenericFunction OConnection::getOdbcFunction(ODBC3SQLFunctionId _nIndex) const
{
OSL_ENSURE(m_xDriver.get(),"OConnection::getOdbcFunction: m_xDriver is null!");
return m_xDriver->getOdbcFunction(_nIndex);
}
SQLRETURN OConnection::OpenConnection(const OUString& aConnectStr, sal_Int32 nTimeOut, bool bSilent)
{
::osl::MutexGuard aGuard( m_aMutex );
if (m_aConnectionHandle == SQL_NULL_HANDLE)
return -1;
SQLRETURN nSQLRETURN = 0;
SDB_ODBC_CHAR szConnStrOut[4096];
SDB_ODBC_CHAR szConnStrIn[2048];
SQLSMALLINT cbConnStrOut;
memset(szConnStrOut,'\0',4096);
memset(szConnStrIn,'\0',2048);
OString aConStr(OUStringToOString(aConnectStr,getTextEncoding()));
memcpy(szConnStrIn, aConStr.getStr(), std::min<sal_Int32>(sal_Int32(2048),aConStr.getLength()));
#ifndef MACOSX
N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_LOGIN_TIMEOUT,reinterpret_cast<SQLPOINTER>(nTimeOut),SQL_IS_UINTEGER);
#else
(void)nTimeOut; /* WaE */
#endif
#ifdef LINUX
(void) bSilent;
nSQLRETURN = N3SQLDriverConnect(m_aConnectionHandle,
nullptr,
szConnStrIn,
static_cast<SQLSMALLINT>(std::min(sal_Int32(2048),aConStr.getLength())),
szConnStrOut,
SQLSMALLINT(sizeof(szConnStrOut)/sizeof(SDB_ODBC_CHAR)) -1,
&cbConnStrOut,
SQL_DRIVER_NOPROMPT);
if (nSQLRETURN == SQL_ERROR || nSQLRETURN == SQL_NO_DATA || SQL_SUCCESS_WITH_INFO == nSQLRETURN)
return nSQLRETURN;
#else
SQLUSMALLINT nSilent = bSilent ? SQL_DRIVER_NOPROMPT : SQL_DRIVER_COMPLETE;
nSQLRETURN = N3SQLDriverConnect(m_aConnectionHandle,
nullptr,
szConnStrIn,
static_cast<SQLSMALLINT>(std::min<sal_Int32>(sal_Int32(2048),aConStr.getLength())),
szConnStrOut,
SQLSMALLINT(sizeof szConnStrOut),
&cbConnStrOut,
nSilent);
if (nSQLRETURN == SQL_ERROR || nSQLRETURN == SQL_NO_DATA)
return nSQLRETURN;
m_bClosed = false;
#endif //LINUX
try
{
OUString aVal;
OTools::GetInfo(this,m_aConnectionHandle,SQL_DATA_SOURCE_READ_ONLY,aVal,*this,getTextEncoding());
m_bReadOnly = aVal == "Y";
}
catch(Exception&)
{
m_bReadOnly = true;
}
try
{
OUString sVersion;
OTools::GetInfo(this,m_aConnectionHandle,SQL_DRIVER_ODBC_VER,sVersion,*this,getTextEncoding());
m_bUseOldDateFormat = sVersion == "02.50" || sVersion == "02.00";
}
catch(Exception&)
{
}
// autocommit is always default
if (!m_bReadOnly)
N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_AUTOCOMMIT, reinterpret_cast<SQLPOINTER>(SQL_AUTOCOMMIT_ON),SQL_IS_INTEGER);
return nSQLRETURN;
}
SQLRETURN OConnection::Construct(const OUString& url,const Sequence< PropertyValue >& info)
{
m_aConnectionHandle = SQL_NULL_HANDLE;
m_sURL = url;
setConnectionInfo(info);
N3SQLAllocHandle(SQL_HANDLE_DBC,m_pDriverHandleCopy,&m_aConnectionHandle);
if(m_aConnectionHandle == SQL_NULL_HANDLE)
throw SQLException();
sal_Int32 nLen = url.indexOf(':');
nLen = url.indexOf(':',nLen+2);
OUString aDSN("DSN="), aUID, aPWD, aSysDrvSettings;
aDSN += url.copy(nLen+1);
sal_Int32 nTimeout = 20;
bool bSilent = true;
const PropertyValue *pBegin = info.getConstArray();
const PropertyValue *pEnd = pBegin + info.getLength();
for(;pBegin != pEnd;++pBegin)
{
if( pBegin->Name == "Timeout")
OSL_VERIFY( pBegin->Value >>= nTimeout );
else if( pBegin->Name == "Silent")
OSL_VERIFY( pBegin->Value >>= bSilent );
else if( pBegin->Name == "IgnoreDriverPrivileges")
OSL_VERIFY( pBegin->Value >>= m_bIgnoreDriverPrivileges );
else if( pBegin->Name == "PreventGetVersionColumns")
OSL_VERIFY( pBegin->Value >>= m_bPreventGetVersionColumns );
else if( pBegin->Name == "IsAutoRetrievingEnabled")
{
bool bAutoRetrievingEnabled = false;
OSL_VERIFY( pBegin->Value >>= bAutoRetrievingEnabled );
enableAutoRetrievingEnabled(bAutoRetrievingEnabled);
}
else if( pBegin->Name == "AutoRetrievingStatement")
{
OUString sGeneratedValueStatement;
OSL_VERIFY( pBegin->Value >>= sGeneratedValueStatement );
setAutoRetrievingStatement(sGeneratedValueStatement);
}
else if( pBegin->Name == "user")
{
OSL_VERIFY( pBegin->Value >>= aUID );
aDSN = aDSN + ";UID=" + aUID;
}
else if( pBegin->Name == "password")
{
OSL_VERIFY( pBegin->Value >>= aPWD );
aDSN = aDSN + ";PWD=" + aPWD;
}
else if( pBegin->Name == "UseCatalog")
{
OSL_VERIFY( pBegin->Value >>= m_bUseCatalog );
}
else if( pBegin->Name == "SystemDriverSettings")
{
OSL_VERIFY( pBegin->Value >>= aSysDrvSettings );
aDSN += ";";
aDSN += aSysDrvSettings;
}
else if( pBegin->Name == "CharSet")
{
OUString sIanaName;
OSL_VERIFY( pBegin->Value >>= sIanaName );
::dbtools::OCharsetMap aLookupIanaName;
::dbtools::OCharsetMap::const_iterator aLookup = aLookupIanaName.findIanaName(sIanaName);
if (aLookup != aLookupIanaName.end())
m_nTextEncoding = (*aLookup).getEncoding();
else
m_nTextEncoding = RTL_TEXTENCODING_DONTKNOW;
if(m_nTextEncoding == RTL_TEXTENCODING_DONTKNOW)
m_nTextEncoding = osl_getThreadTextEncoding();
}
}
m_sUser = aUID;
SQLRETURN nSQLRETURN = OpenConnection(aDSN,nTimeout, bSilent);
if (nSQLRETURN == SQL_ERROR || nSQLRETURN == SQL_NO_DATA)
{
OTools::ThrowException(this,nSQLRETURN,m_aConnectionHandle,SQL_HANDLE_DBC,*this,false);
}
return nSQLRETURN;
}
// XServiceInfo
IMPLEMENT_SERVICE_INFO(OConnection, "com.sun.star.sdbc.drivers.odbc.OConnection", "com.sun.star.sdbc.Connection")
Reference< XStatement > SAL_CALL OConnection::createStatement( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
Reference< XStatement > xReturn = new OStatement(this);
m_aStatements.push_back(WeakReferenceHelper(xReturn));
return xReturn;
}
Reference< XPreparedStatement > SAL_CALL OConnection::prepareStatement( const OUString& sql )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
Reference< XPreparedStatement > xReturn = new OPreparedStatement(this,sql);
m_aStatements.push_back(WeakReferenceHelper(xReturn));
return xReturn;
}
Reference< XPreparedStatement > SAL_CALL OConnection::prepareCall( const OUString& /*sql*/ )
{
::dbtools::throwFeatureNotImplementedSQLException( "XConnection::prepareCall", *this );
return nullptr;
}
OUString SAL_CALL OConnection::nativeSQL( const OUString& sql )
{
::osl::MutexGuard aGuard( m_aMutex );
OString aSql(OUStringToOString(sql,getTextEncoding()));
char pOut[2048];
SQLINTEGER nOutLen;
OTools::ThrowException(this,N3SQLNativeSql(m_aConnectionHandle,reinterpret_cast<SDB_ODBC_CHAR *>(const_cast<char *>(aSql.getStr())),aSql.getLength(),reinterpret_cast<SDB_ODBC_CHAR*>(pOut),sizeof pOut - 1,&nOutLen),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
return OUString(pOut,nOutLen,getTextEncoding());
}
void SAL_CALL OConnection::setAutoCommit( sal_Bool autoCommit )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
OTools::ThrowException(this,N3SQLSetConnectAttr(m_aConnectionHandle,
SQL_ATTR_AUTOCOMMIT,
reinterpret_cast<SQLPOINTER>((autoCommit) ? SQL_AUTOCOMMIT_ON : SQL_AUTOCOMMIT_OFF) ,SQL_IS_INTEGER),
m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
sal_Bool SAL_CALL OConnection::getAutoCommit( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
sal_uInt32 nOption = 0;
OTools::ThrowException(this,N3SQLGetConnectAttr(m_aConnectionHandle,
SQL_ATTR_AUTOCOMMIT, &nOption,0,nullptr),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
return nOption == SQL_AUTOCOMMIT_ON ;
}
void SAL_CALL OConnection::commit( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
OTools::ThrowException(this,N3SQLEndTran(SQL_HANDLE_DBC,m_aConnectionHandle,SQL_COMMIT),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
void SAL_CALL OConnection::rollback( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
OTools::ThrowException(this,N3SQLEndTran(SQL_HANDLE_DBC,m_aConnectionHandle,SQL_ROLLBACK),m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
sal_Bool SAL_CALL OConnection::isClosed( )
{
::osl::MutexGuard aGuard( m_aMutex );
return OConnection_BASE::rBHelper.bDisposed;
}
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(m_aConnectionHandle,this);
m_xMetaData = xMetaData;
}
return xMetaData;
}
void SAL_CALL OConnection::setReadOnly( sal_Bool readOnly )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
OTools::ThrowException(this,
N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_ACCESS_MODE,reinterpret_cast< SQLPOINTER >( readOnly ),SQL_IS_INTEGER),
m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
sal_Bool SAL_CALL OConnection::isReadOnly()
{
// const member which will initialized only once
return m_bReadOnly;
}
void SAL_CALL OConnection::setCatalog( const OUString& catalog )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
OString aCat(OUStringToOString(catalog,getTextEncoding()));
OTools::ThrowException(this,
N3SQLSetConnectAttr(m_aConnectionHandle,SQL_ATTR_CURRENT_CATALOG,const_cast<char *>(aCat.getStr()),SQL_NTS),
m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
OUString SAL_CALL OConnection::getCatalog( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
SQLINTEGER nValueLen;
char pCat[1024];
OTools::ThrowException(this,
N3SQLGetConnectAttr(m_aConnectionHandle,SQL_ATTR_CURRENT_CATALOG,pCat,(sizeof pCat)-1,&nValueLen),
m_aConnectionHandle,SQL_HANDLE_DBC,*this);
return OUString(pCat,nValueLen,getTextEncoding());
}
void SAL_CALL OConnection::setTransactionIsolation( sal_Int32 level )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
OTools::ThrowException(this,N3SQLSetConnectAttr(m_aConnectionHandle,
SQL_ATTR_TXN_ISOLATION,
reinterpret_cast<SQLPOINTER>(level),SQL_IS_INTEGER),
m_aConnectionHandle,SQL_HANDLE_DBC,*this);
}
sal_Int32 SAL_CALL OConnection::getTransactionIsolation( )
{
::osl::MutexGuard aGuard( m_aMutex );
checkDisposed(OConnection_BASE::rBHelper.bDisposed);
sal_Int32 nTxn = 0;
SQLINTEGER nValueLen;
OTools::ThrowException(this,
N3SQLGetConnectAttr(m_aConnectionHandle,SQL_ATTR_TXN_ISOLATION,&nTxn,sizeof nTxn,&nValueLen),
m_aConnectionHandle,SQL_HANDLE_DBC,*this);
return nTxn;
}
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::disposing()
{
::osl::MutexGuard aGuard(m_aMutex);
OConnection_BASE::disposing();
for (auto const& connection : m_aConnections)
connection.second->dispose();
m_aConnections.clear();
if(!m_bClosed)
N3SQLDisconnect(m_aConnectionHandle);
m_bClosed = true;
}
SQLHANDLE OConnection::createStatementHandle()
{
rtl::Reference<OConnection> xConnectionTemp = this;
bool bNew = false;
try
{
sal_Int32 nMaxStatements = getMetaData()->getMaxStatements();
if(nMaxStatements && nMaxStatements <= m_nStatementCount)
{
rtl::Reference<OConnection> xConnection(new OConnection(m_pDriverHandleCopy,m_xDriver.get()));
xConnection->Construct(m_sURL,getConnectionInfo());
xConnectionTemp = xConnection;
bNew = true;
}
}
catch(SQLException&)
{
}
SQLHANDLE aStatementHandle = SQL_NULL_HANDLE;
N3SQLAllocHandle(SQL_HANDLE_STMT,xConnectionTemp->getConnection(),&aStatementHandle);
++m_nStatementCount;
if(bNew)
m_aConnections.emplace(aStatementHandle,xConnectionTemp);
return aStatementHandle;
}
void OConnection::freeStatementHandle(SQLHANDLE& _pHandle)
{
if( SQL_NULL_HANDLE == _pHandle )
return;
auto aFind = m_aConnections.find(_pHandle);
N3SQLFreeStmt(_pHandle,SQL_RESET_PARAMS);
N3SQLFreeStmt(_pHandle,SQL_UNBIND);
N3SQLFreeStmt(_pHandle,SQL_CLOSE);
N3SQLFreeHandle(SQL_HANDLE_STMT,_pHandle);
_pHandle = SQL_NULL_HANDLE;
if(aFind != m_aConnections.end())
{
aFind->second->dispose();
m_aConnections.erase(aFind);
}
--m_nStatementCount;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|