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/**************************************************
* _AllocConnect
*
**************************************************
* This code was created by Peter Harvey @ CodeByDesign.
* Released under LGPL 31.JAN.99
*
* Contributions from...
* -----------------------------------------------
* Peter Harvey - pharvey@codebydesign.com
**************************************************/
#include "driver.h"
SQLRETURN _AllocConnect( SQLHENV hDrvEnv,
SQLHDBC *phDrvDbc )
{
HDRVENV hEnv = (HDRVENV)hDrvEnv;
HDRVDBC *phDbc = (HDRVDBC*)phDrvDbc;
/************************
* SANITY CHECKS
************************/
if( SQL_NULL_HENV == hEnv )
return SQL_INVALID_HANDLE;
sprintf( hEnv->szSqlMsg, "hEnv = $%08lX phDbc = $%08lX", hEnv, phDbc );
logPushMsg( hEnv->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, hEnv->szSqlMsg );
if( SQL_NULL_HDBC == phDbc )
{
logPushMsg( hEnv->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR *phDbc is NULL" );
return SQL_ERROR;
}
/************************
* OK LETS DO IT
************************/
/* allocate database access structure */
*phDbc = (HDRVDBC)malloc( sizeof(DRVDBC) );
if( SQL_NULL_HDBC == *phDbc )
{
*phDbc = SQL_NULL_HDBC;
logPushMsg( hEnv->hLog, __FILE__, __FILE__, __LINE__, LOG_WARNING, LOG_WARNING, "SQL_ERROR malloc error" );
return SQL_ERROR;
}
/* initialize structure */
memset( *phDbc, 0, sizeof(DRVDBC) );
(*phDbc)->bConnected = 0;
(*phDbc)->hDbcExtras = NULL;
(*phDbc)->hFirstStmt = NULL;
(*phDbc)->hLastStmt = NULL;
(*phDbc)->pNext = NULL;
(*phDbc)->pPrev = NULL;
(*phDbc)->hEnv = (SQLPOINTER)hEnv;
/* start logging */
if ( !logOpen( &(*phDbc)->hLog, DRIVER_NAME, NULL, 50 ) )
(*phDbc)->hLog = NULL;
logOn( (*phDbc)->hLog, 1 );
/* ADD TO END OF LIST */
if ( hEnv->hFirstDbc == NULL )
{
/* 1st is null so the list is empty right now */
hEnv->hFirstDbc = (*phDbc);
hEnv->hLastDbc = (*phDbc);
}
else
{
/* at least one node in list */
hEnv->hLastDbc->pNext = (SQLPOINTER)(*phDbc);
(*phDbc)->pPrev = (SQLPOINTER)hEnv->hLastDbc;
hEnv->hLastDbc = (*phDbc);
}
/********************************************************/
/* ALLOCATE AND INIT EXTRAS HERE */
(*phDbc)->hDbcExtras = malloc( sizeof(DBCEXTRAS) );
(*phDbc)->hDbcExtras->hServer = -1;
/********************************************************/
logPushMsg( hEnv->hLog, __FILE__, __FILE__, __LINE__, LOG_INFO, LOG_INFO, "SQL_SUCCESS" );
return SQL_SUCCESS;
}
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