355 lines
11 KiB
C++
355 lines
11 KiB
C++
/*************************************************************************
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*
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* $RCSfile: odbcconfig.cxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: oj $ $Date: 2001-01-10 12:09:37 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _DBAUI_ODBC_CONFIG_HXX_
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#include "odbcconfig.hxx"
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#endif
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#ifndef _RTL_USTRING_HXX_
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#include <rtl/ustring.hxx>
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#endif
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#ifndef _RTL_USTRBUF_HXX_
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#include <rtl/ustrbuf.hxx>
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#endif
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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#endif
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#ifdef HAVE_ODBC_SUPPORT
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#ifdef WIN
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#define ODBC_LIBRARY "ODBC.DLL"
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#define ODBC_UI_LIBRARY "ODBCINST.DLL"
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#endif
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#if defined WNT
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#define ODBC_LIBRARY "ODBC32.DLL"
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#define ODBC_UI_LIBRARY "ODBCCP32.DLL"
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#endif
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#ifdef UNX
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#define ODBC_LIBRARY "libodbc.so"
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#define ODBC_UI_LIBRARY "libodbc.so"
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#endif
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// just to go with calling convention of windows
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// so don't touch this
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#if defined(WIN) || defined(WNT)
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#define SQL_API __stdcall
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#endif // defined(WIN) || defined(WNT)
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#ifndef __SQLEXT_H
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#include <odbc/sqlext.h>
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#endif
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#if defined(WIN) || defined(WNT)
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#undef SQL_API
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#define SQL_API __stdcall
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#endif // defined(WIN) || defined(WNT)
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// from here on you can do what you want to
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#else
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#define ODBC_LIBRARY ""
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#define ODBC_UI_LIBRARY ""
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#endif // HAVE_ODBC_SUPPORT
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//.........................................................................
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namespace dbaui
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{
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//.........................................................................
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#ifdef HAVE_ODBC_SUPPORT
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typedef SQLRETURN (SQL_API* TSQLManageDataSource) (SQLHWND hwndParent);
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typedef SQLRETURN (SQL_API* TSQLAllocHandle) (SQLSMALLINT HandleType, SQLHANDLE InputHandle, SQLHANDLE* OutputHandlePtr);
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typedef SQLRETURN (SQL_API* TSQLFreeHandle) (SQLSMALLINT HandleType, SQLHANDLE Handle);
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typedef SQLRETURN (SQL_API* TSQLSetEnvAttr) (SQLHENV EnvironmentHandle, SQLINTEGER Attribute, SQLPOINTER ValuePtr, SQLINTEGER StringLength);
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typedef SQLRETURN (SQL_API* TSQLDataSources) (SQLHENV EnvironmentHandle, SQLUSMALLINT Direction, SQLCHAR* ServerName,
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SQLSMALLINT BufferLength1, SQLSMALLINT* NameLength1Ptr, SQLCHAR* Description, SQLSMALLINT BufferLength2, SQLSMALLINT* NameLength2Ptr);
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#define NSQLManageDataSource(a) (*(TSQLManageDataSource)(m_pSQLManageDataSource))(a)
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#define NSQLAllocHandle(a,b,c) (*(TSQLAllocHandle)(m_pAllocHandle))(a,b,c)
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#define NSQLFreeHandle(a,b) (*(TSQLFreeHandle)(m_pFreeHandle))(a,b)
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#define NSQLSetEnvAttr(a,b,c,d) (*(TSQLSetEnvAttr)(m_pSetEnvAttr))(a,b,c,d)
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#define NSQLDataSources(a,b,c,d,e,f,g,h) (*(TSQLDataSources)(m_pDataSources))(a,b,c,d,e,f,g,h)
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#endif
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//=========================================================================
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//= OOdbcLibWrapper
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//=========================================================================
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//-------------------------------------------------------------------------
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OOdbcLibWrapper::OOdbcLibWrapper(const sal_Char* _pLibPath)
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:m_sLibPath(::rtl::OUString::createFromAscii(_pLibPath))
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,m_pOdbcLib(NULL)
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{
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}
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//-------------------------------------------------------------------------
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sal_Bool OOdbcLibWrapper::load()
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{
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#ifdef HAVE_ODBC_SUPPORT
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// load the module
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m_pOdbcLib = osl_loadModule(m_sLibPath.pData, SAL_LOADMODULE_NOW);
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return (NULL != m_pOdbcLib);
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#endif
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}
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//-------------------------------------------------------------------------
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void OOdbcLibWrapper::unload()
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{
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#ifdef HAVE_ODBC_SUPPORT
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if (isLoaded())
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{
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osl_unloadModule(m_pOdbcLib);
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m_pOdbcLib = NULL;
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}
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#endif
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}
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//-------------------------------------------------------------------------
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void* OOdbcLibWrapper::loadSymbol(const sal_Char* _pFunctionName)
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{
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return osl_getSymbol(m_pOdbcLib, ::rtl::OUString::createFromAscii(_pFunctionName).pData);
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}
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//-------------------------------------------------------------------------
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OOdbcLibWrapper::~OOdbcLibWrapper()
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{
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unload();
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}
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//=========================================================================
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//= OOdbcEnumeration
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//=========================================================================
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struct OdbcTypesImpl
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{
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#ifdef HAVE_ODBC_SUPPORT
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SQLHANDLE hEnvironment;
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OdbcTypesImpl() : hEnvironment(NULL) { }
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#else
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void* pDummy;
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#endif
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};
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//-------------------------------------------------------------------------
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OOdbcEnumeration::OOdbcEnumeration()
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#ifdef HAVE_ODBC_SUPPORT
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:OOdbcLibWrapper(ODBC_LIBRARY)
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,m_pAllocHandle(NULL)
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,m_pSetEnvAttr(NULL)
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,m_pDataSources(NULL)
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,m_pImpl(new OdbcTypesImpl)
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#endif
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{
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if (load())
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{
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#ifdef HAVE_ODBC_SUPPORT
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// load the generic functions
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m_pAllocHandle = loadSymbol("SQLAllocHandle");
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m_pFreeHandle = loadSymbol("SQLFreeHandle");
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m_pSetEnvAttr = loadSymbol("SQLSetEnvAttr");
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m_pDataSources = loadSymbol("SQLDataSources");
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// all or nothing
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if (!m_pAllocHandle || !m_pSetEnvAttr || !m_pDataSources || !m_pFreeHandle)
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{
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unload();
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m_pAllocHandle = m_pFreeHandle = m_pSetEnvAttr = m_pDataSources = NULL;
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}
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#endif
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}
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}
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//-------------------------------------------------------------------------
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OOdbcEnumeration::~OOdbcEnumeration()
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{
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freeEnv();
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delete m_pImpl;
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}
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//-------------------------------------------------------------------------
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sal_Bool OOdbcEnumeration::allocEnv()
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{
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OSL_ENSHURE(isLoaded(), "OOdbcEnumeration::allocEnv: not loaded!");
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if (!isLoaded())
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return sal_False;
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#ifdef HAVE_ODBC_SUPPORT
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if (m_pImpl->hEnvironment)
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// nothing to do
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return sal_True;
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SQLRETURN nResult = NSQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &m_pImpl->hEnvironment);
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if (SQL_SUCCESS != nResult)
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// can't do anything without environment
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return sal_False;
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NSQLSetEnvAttr(m_pImpl->hEnvironment, SQL_ATTR_ODBC_VERSION, (SQLPOINTER)SQL_OV_ODBC3, SQL_IS_INTEGER);
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return sal_True;
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#else
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return sal_False;
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#endif
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}
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//-------------------------------------------------------------------------
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void OOdbcEnumeration::freeEnv()
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{
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#ifdef HAVE_ODBC_SUPPORT
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if (m_pImpl->hEnvironment)
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NSQLFreeHandle(SQL_HANDLE_ENV, m_pImpl->hEnvironment);
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m_pImpl->hEnvironment =NULL;
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#endif
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}
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//-------------------------------------------------------------------------
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void OOdbcEnumeration::getDatasourceNames(StringBag& _rNames)
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{
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OSL_ENSHURE(isLoaded(), "OOdbcManagement::getDatasourceNames: not loaded!");
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if (!isLoaded())
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return;
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if (!allocEnv())
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{
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OSL_ENSHURE(sal_False, "OOdbcManagement::getDatasourceNames: could not allocate an ODBC environment!");
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return;
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}
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#ifdef HAVE_ODBC_SUPPORT
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// now that we have an environment collect the data source names
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UCHAR szDSN[SQL_MAX_DSN_LENGTH+1];
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SWORD pcbDSN;
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UCHAR szDescription[1024+1];
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SWORD pcbDescription;
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SQLRETURN nResult = SQL_SUCCESS;
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for ( nResult = NSQLDataSources(m_pImpl->hEnvironment, SQL_FETCH_FIRST, szDSN, sizeof(szDSN), &pcbDSN, szDescription, sizeof(szDescription), &pcbDescription);
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;
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nResult = NSQLDataSources(m_pImpl->hEnvironment, SQL_FETCH_NEXT, szDSN, sizeof(szDSN), &pcbDSN, szDescription, sizeof(szDescription), &pcbDescription)
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)
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{
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if (nResult != SQL_SUCCESS)
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// no further error handling
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break;
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else
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{
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::rtl::OUStringBuffer aCurrentDsn; aCurrentDsn.appendAscii(reinterpret_cast<const char*>(szDSN));
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_rNames.insert(aCurrentDsn.makeStringAndClear());
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}
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}
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#endif
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}
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//=========================================================================
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//= OOdbcManagement
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//=========================================================================
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//-------------------------------------------------------------------------
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OOdbcManagement::OOdbcManagement()
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:OOdbcLibWrapper(ODBC_UI_LIBRARY)
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#ifdef HAVE_ODBC_SUPPORT
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,m_pSQLManageDataSource(NULL)
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#endif
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{
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if (load())
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{
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#ifdef HAVE_ODBC_SUPPORT
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m_pSQLManageDataSource = loadSymbol("SQLManageDataSources");
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if (!m_pSQLManageDataSource)
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unload();
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#endif // HAVE_ODBC_SUPPORT
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}
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}
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//-------------------------------------------------------------------------
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void OOdbcManagement::manageDataSources(void* _pParentSysWindowHandle)
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{
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OSL_ENSHURE(isLoaded(), "OOdbcManagement::manageDataSources: not loaded!");
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OSL_ENSHURE(_pParentSysWindowHandle, "OOdbcManagement::manageDataSources: invalid parent window!");
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if (!isLoaded())
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return;
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#ifdef HAVE_ODBC_SUPPORT
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NSQLManageDataSource(_pParentSysWindowHandle);
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#endif // HAVE_ODBC_SUPPORT
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}
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//.........................................................................
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} // namespace dbaui
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//.........................................................................
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/*************************************************************************
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* history:
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* $Log: not supported by cvs2svn $
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* Revision 1.4 2000/10/30 15:36:51 fs
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* don't append the description of the ODBC data source to the DSN name
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*
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* Revision 1.3 2000/10/26 13:47:46 kz
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* chg. cast & ifdef WIN
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*
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* Revision 1.2 2000/10/26 13:11:36 obo
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* #65293# cant compile for linux
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*
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* Revision 1.1 2000/10/24 12:48:36 fs
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* initial checkin - wrapping (system) data source related ODBC functionality
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*
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*
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* Revision 1.0 24.10.00 10:14:13 fs
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************************************************************************/
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