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/**********************************************
* Driver.h
*
* Description:
*
* This is all of the stuff that is common among ALL drivers (but not to the DriverManager).
*
* Make sure that your driver specific driverextras.h exists!
*
* Creating a new driver? It is unlikely that you will need to change this
* but take a look at driverextras.h
*
**********************************************************************
*
* 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
*
**********************************************/
#ifndef _H_DRIVER
#define _H_DRIVER
/*****************************************************************************
* ODBC VERSION (THAT THIS DRIVER COMPLIES WITH)
*****************************************************************************/
#define ODBCVER 0x0351
#include <log.h>
#include <ini.h>
#include <sqlext.h>
#include <odbcinstext.h>
#include "driverextras.h"
#define SQL_MAX_CURSOR_NAME 100
/*****************************************************************************
* STATEMENT
*****************************************************************************/
typedef struct tDRVSTMT
{
struct tDRVSTMT *pPrev; /* prev struct or null */
struct tDRVSTMT *pNext; /* next struct or null */
SQLPOINTER hDbc; /* pointer to DB context */
SQLCHAR szCursorName[SQL_MAX_CURSOR_NAME]; /* name of cursor */
SQLCHAR *pszQuery; /* query string */
SQLCHAR szSqlMsg[LOG_MSG_MAX]; /* buff to format msgs */
HLOG hLog; /* handle to msg logs */
HSTMTEXTRAS hStmtExtras; /* DRIVER SPECIFIC STORAGE */
} DRVSTMT, *HDRVSTMT;
/*****************************************************************************
* CONNECTION
*****************************************************************************/
typedef struct tDRVDBC
{
struct tDRVDBC *pPrev; /* prev struct or null */
struct tDRVDBC *pNext; /* next struct or null */
SQLPOINTER hEnv; /* pointer to ENV structure */
HDRVSTMT hFirstStmt; /* first in list or null */
HDRVSTMT hLastStmt; /* last in list or null */
SQLCHAR szSqlMsg[LOG_MSG_MAX]; /* buff to format msgs */
HLOG hLog; /* handle to msg logs */
int bConnected; /* TRUE on open connection */
HDBCEXTRAS hDbcExtras; /* DRIVER SPECIFIC DATA */
} DRVDBC, *HDRVDBC;
/*****************************************************************************
* ENVIRONMENT
*****************************************************************************/
typedef struct tDRVENV
{
HDRVDBC hFirstDbc; /* first in list or null */
HDRVDBC hLastDbc; /* last in list or null */
SQLCHAR szSqlMsg[LOG_MSG_MAX]; /* buff to format msgs */
HLOG hLog; /* handle to msg logs */
HENVEXTRAS hEnvExtras;
} DRVENV, *HDRVENV;
#endif
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