include/SqlOdbcConnection.h

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Prabakaran Thirumalai   *
   3  *   praba_tuty@yahoo.com   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifndef SQLODBCCONNECTION_H
  21 #define SQLODBCCONNECTION_H
  22 #include<CSql.h>
  23 #include<AbsSqlConnection.h>
  24 #include<SqlFactory.h>
  25 #include <sql.h>
  26 #include <sqlext.h>
  27
  28 struct SQLFuncPtrs{
  29     SQLRETURN (*SQLAllocHandlePtr)(SQLSMALLINT, SQLHANDLE, SQLHANDLE*);
  30     SQLRETURN (*SQLSetEnvAttrPtr)(SQLHENV, SQLINTEGER, SQLPOINTER, SQLINTEGER);
  31     SQLRETURN (*SQLDriverConnectPtr)(SQLHDBC, SQLHWND, SQLCHAR*, SQLSMALLINT, SQLCHAR*, SQLSMALLINT, SQLSMALLINT*, SQLUSMALLINT);
  32     SQLRETURN (*SQLGetDiagRecPtr)(SQLSMALLINT, SQLHANDLE, SQLSMALLINT, SQLCHAR*, SQLINTEGER*, SQLCHAR*, SQLSMALLINT, SQLSMALLINT*);
  33     SQLRETURN (*SQLSetConnectAttrPtr)(SQLHDBC, SQLINTEGER, SQLPOINTER, SQLINTEGER);
  34     SQLRETURN (*SQLFreeHandlePtr)(SQLSMALLINT, SQLHANDLE);
  35     SQLRETURN (*SQLTransactPtr)(SQLHENV, SQLHDBC, SQLUSMALLINT);
  36
  37     SQLRETURN (*SQLExecDirectPtr)(SQLHSTMT, SQLCHAR*, SQLINTEGER);
  38     SQLRETURN (*SQLPreparePtr)(SQLHSTMT, SQLCHAR*, SQLINTEGER);
  39     SQLRETURN (*SQLNumResultColsPtr)(SQLHSTMT, SQLSMALLINT*);
  40     SQLRETURN (*SQLDescribeColPtr)(SQLHSTMT, SQLUSMALLINT, SQLCHAR*, SQLSMALLINT, SQLSMALLINT*, SQLSMALLINT*, SQLULEN*,SQLSMALLINT*, SQLSMALLINT*);
  41     SQLRETURN (*SQLBindColPtr)(SQLHSTMT, SQLUSMALLINT, SQLSMALLINT, SQLPOINTER, SQLLEN, SQLLEN*);
  42     SQLRETURN (*SQLNumParamsPtr)(SQLHSTMT, SQLSMALLINT*);
  43     SQLRETURN (*SQLDescribeParamPtr)(SQLHSTMT, SQLUSMALLINT, SQLSMALLINT*, SQLULEN*, SQLSMALLINT*, SQLSMALLINT*);
  44     SQLRETURN (*SQLBindParameterPtr)( SQLHSTMT, SQLUSMALLINT, SQLSMALLINT, SQLSMALLINT, SQLSMALLINT, SQLULEN, SQLSMALLINT, SQLPOINTER, SQLLEN, SQLLEN*);
  45     SQLRETURN (*SQLExecutePtr)(SQLHSTMT);
  46     SQLRETURN (*SQLRowCountPtr)(SQLHSTMT, SQLLEN*);
  47     SQLRETURN (*SQLFetchPtr)(SQLHSTMT);
  48     SQLRETURN (*SQLCloseCursorPtr)(SQLHSTMT);
  49     SQLRETURN (*SQLPrimaryKeysPtr)( SQLHSTMT, SQLCHAR*, SQLSMALLINT, SQLCHAR*, SQLSMALLINT, SQLCHAR*, SQLSMALLINT);
  50     SQLRETURN (*SQLGetDataPtr)(SQLHSTMT,SQLUSMALLINT,SQLSMALLINT,SQLPOINTER, SQLLEN,SQLLEN*);
  51     SQLRETURN (*SQLDisconnectPtr)(SQLHDBC);
  52     SQLRETURN (*SQLTablesPtr)(SQLHSTMT ,SQLCHAR *, SQLSMALLINT , SQLCHAR * , SQLSMALLINT, SQLCHAR *,  SQLSMALLINT, SQLCHAR*,SQLSMALLINT);
  53     SQLRETURN (*SQLProcedureColumnsPtr)(SQLHSTMT, SQLCHAR *, SQLSMALLINT, SQLCHAR *, SQLSMALLINT, SQLCHAR *, SQLSMALLINT,SQLCHAR *, SQLSMALLINT);
  54
  55 };
  56
  57 /**
  58 * @class SqlOdbcConnection
  59 *
  60 */
  61 //class SqlOdbcSym {
  62 //    public:
  63 //};
  64
  65 class SqlOdbcConnection : public AbsSqlConnection
  66 {
  67     Connection dummyConn;
  68     TDBInfo tdbName;
  69     char errState[STATE_LENGTH];
  70     char dsnAdapter[IDENTIFIER_LENGTH];
  71     bool isConnOpen;
  72     public:
  73     SQLHENV envHdl;
  74     SQLHDBC dbHdl;
  75     char dsn[IDENTIFIER_LENGTH];
  76     IsolationLevel prevIsoLevel;
  77     SqlOdbcConnection()
  78     { strcpy(errState,"00000"); innerConn = NULL; tdbName = mysql; prevIsoLevel = READ_COMMITTED; dsnAdapter[0]='\0'; isConnOpen = false; }
  79     ~SqlOdbcConnection(){}
  80
  81     void setDsn(char *dsn){ strcpy(dsnAdapter,dsn);}
  82     char *getDsn(){return dsnAdapter;}
  83     void setTrDbName(char *name);
  84     TDBInfo getTrDbName(){return tdbName;}
  85     static bool symbolsLoaded;
  86     static struct SQLFuncPtrs ODBCFuncPtrs;
  87
  88     void setErrorState( SQLHDBC dbc);
  89     DbRetVal loadSymbols();
  90
  91     //Note::forced to implement this as it is pure virtual in base class
  92     Connection& getConnObject(){  return dummyConn; }
  93     bool isConnectionOpen() { if (isConnOpen) return true; return false; }
  94
  95     DbRetVal connect (char *user, char * pass);
  96
  97     DbRetVal disconnect();
  98
  99     DbRetVal commit();
 100
 101     DbRetVal rollback();
 102
 103     DbRetVal beginTrans (IsolationLevel isoLevel, TransSyncMode mode);
 104
 105     friend class SqlFactory;
 106 };
 107
 108 #endif