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/**********************************************************************
* SQLConnect
*
**********************************************************************
*
* This code was created by Peter Harvey (mostly during Christmas 98/99).
* This code is LGPL. Please ensure that this message remains in future
* distributions and uses of this code (thats about all I get out of it).
* - Peter Harvey pharvey@codebydesign.com
*
**********************************************************************/
#include <config.h>
#include "driver.h"
SQLRETURN SQLConnect( SQLHDBC hDrvDbc,
SQLCHAR *szDataSource,
SQLSMALLINT nDataSourceLength,
SQLCHAR *szUID,
SQLSMALLINT nUIDLength,
SQLCHAR *szPWD,
SQLSMALLINT nPWDLength
)
{
HDRVDBC hDbc = (HDRVDBC)hDrvDbc;
char szDATABASE[INI_MAX_PROPERTY_VALUE+1];
char szCONFIGFILE[INI_MAX_PROPERTY_VALUE+1];
char szHOST[INI_MAX_PROPERTY_VALUE+1];
/* SANITY CHECKS */
if( SQL_NULL_HDBC == hDbc )
return SQL_INVALID_HANDLE;
sprintf( hDbc->szSqlMsg, "hDbc=$%08lX szDataSource=(%s)", hDbc, szDataSource );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
if( hDbc->bConnected == 1 )
{
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR Already connected" );
return SQL_ERROR;
}
if ( strlen( szDataSource ) > ODBC_FILENAME_MAX+INI_MAX_OBJECT_NAME )
{
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR Given Data Source is too long. I consider it suspect." );
return SQL_ERROR;
}
/********************
* gather and use any required DSN properties
* - CONFIGFILE - for msqlLoadConfigFile() (has precedence over other properties)
* - DATABASE
* - HOST (localhost assumed if not supplied)
********************/
szDATABASE[0] = '\0';
szHOST[0] = '\0';
szCONFIGFILE[0] = '\0';
SQLGetPrivateProfileString( szDataSource, "DATABASE", "", szDATABASE, sizeof(szDATABASE), ".odbc.ini" );
if ( szDATABASE[0] == '\0' )
{
sprintf( hDbc->szSqlMsg, "SQL_ERROR Could not find Driver entry for %s in system information", szDataSource );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
return SQL_ERROR;
}
SQLGetPrivateProfileString( szDataSource, "HOST", "", szHOST, sizeof(szHOST), ".odbc.ini" );
SQLGetPrivateProfileString( szDataSource, "CONFIGFILE", "", szCONFIGFILE, sizeof(szCONFIGFILE), ".odbc.ini" );
/********************
* 1. initialise structures
* 2. try connection with database using your native calls
* 3. store your server handle in the extras somewhere
* 4. set connection state
* hDbc->bConnected = TRUE;
********************/
if ( szCONFIGFILE[0] != '\0' )
{
if ( msqlLoadConfigFile( szCONFIGFILE ) != 0 )
{
sprintf( hDbc->szSqlMsg, "SQL_ERROR %s", msqlErrMsg );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
sprintf( hDbc->szSqlMsg, "SQL_WARNING Failed to use (%s)", szCONFIGFILE );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
return SQL_ERROR;
}
}
if ( szHOST[0] == '\0' )
{
hDbc->hDbcExtras->hServer = msqlConnect( NULL ); /* this is faster than using localhost */
strcpy( szHOST, "localhost" );
}
else
hDbc->hDbcExtras->hServer = msqlConnect( szHOST );
if ( hDbc->hDbcExtras->hServer < 0 )
{
sprintf( hDbc->szSqlMsg, "SQL_ERROR %s", msqlErrMsg );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
sprintf( hDbc->szSqlMsg, "SQL_ERROR Failed to connect to (%s)", szHOST );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
return SQL_ERROR;
}
hDbc->bConnected = 1;
/* SET DATABASE */
if ( szDATABASE[0] != '\0' )
{
if ( msqlSelectDB( hDbc->hDbcExtras->hServer, szDATABASE ) == -1 )
{
sprintf( hDbc->szSqlMsg, "SQL_WARNING %s", msqlErrMsg );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
sprintf( hDbc->szSqlMsg, "SQL_WARNING Connected to server but failed to use database (%s)", szDATABASE );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
}
else
{
sprintf( hDbc->szSqlMsg, "SQL_INFO DATABASE=%s", szDATABASE );
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hDbc->szSqlMsg );
}
}
logPushMsg( hDbc->hLog, __FILE__, __FILE__, __LINE__, LOG_INFO, LOG_INFO, "SQL_SUCCESS" );
return SQL_SUCCESS;
}
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