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 #ifdef WINNT
  29 typedef signed short int        SWORD;
  30 #endif
  31
  32 struct SQLFuncPtrs{
  33     SQLRETURN (*SQLAllocHandlePtr)(SQLSMALLINT, SQLHANDLE, SQLHANDLE*);
  34     SQLRETURN (*SQLSetEnvAttrPtr)(SQLHENV, SQLINTEGER, SQLPOINTER, SQLINTEGER);
  35     SQLRETURN (*SQLDriverConnectPtr)(SQLHDBC, SQLHWND, SQLCHAR*, SQLSMALLINT, SQLCHAR*, SQLSMALLINT, SQLSMALLINT*, SQLUSMALLINT);
  36     SQLRETURN (*SQLGetDiagRecPtr)(SQLSMALLINT, SQLHANDLE, SQLSMALLINT, SQLCHAR*, SQLINTEGER*, SQLCHAR*, SQLSMALLINT, SQLSMALLINT*);
  37     SQLRETURN (*SQLSetConnectAttrPtr)(SQLHDBC, SQLINTEGER, SQLPOINTER, SQLINTEGER);
  38     SQLRETURN (*SQLSetStmtAttrPtr)(SQLHSTMT, SQLINTEGER, SQLPOINTER, SQLINTEGER);
  39     SQLRETURN (*SQLFreeHandlePtr)(SQLSMALLINT, SQLHANDLE);
  40     SQLRETURN (*SQLTransactPtr)(SQLHENV, SQLHDBC, SQLUSMALLINT);
  41
  42     SQLRETURN (*SQLExecDirectPtr)(SQLHSTMT, SQLCHAR*, SQLINTEGER);
  43     SQLRETURN (*SQLPreparePtr)(SQLHSTMT, SQLCHAR*, SQLINTEGER);
  44     SQLRETURN (*SQLNumResultColsPtr)(SQLHSTMT, SQLSMALLINT*);
  45     SQLRETURN (*SQLDescribeColPtr)(SQLHSTMT, SQLUSMALLINT, SQLCHAR*, SQLSMALLINT, SQLSMALLINT*, SQLSMALLINT*, SQLULEN*,SQLSMALLINT*, SQLSMALLINT*);
  46     SQLRETURN (*SQLBindColPtr)(SQLHSTMT, SQLUSMALLINT, SQLSMALLINT, SQLPOINTER, SQLLEN, SQLLEN*);
  47     SQLRETURN (*SQLNumParamsPtr)(SQLHSTMT, SQLSMALLINT*);
  48     SQLRETURN (*SQLDescribeParamPtr)(SQLHSTMT, SQLUSMALLINT, SQLSMALLINT*, SQLULEN*, SQLSMALLINT*, SQLSMALLINT*);
  49     SQLRETURN (*SQLBindParameterPtr)( SQLHSTMT, SQLUSMALLINT, SQLSMALLINT, SQLSMALLINT, SQLSMALLINT, SQLULEN, SQLSMALLINT, SQLPOINTER, SQLLEN, SQLLEN*);
  50     SQLRETURN (*SQLExecutePtr)(SQLHSTMT);
  51     SQLRETURN (*SQLRowCountPtr)(SQLHSTMT, SQLLEN*);
  52     SQLRETURN (*SQLFetchPtr)(SQLHSTMT);
  53     SQLRETURN (*SQLFetchScrollPtr)(SQLHSTMT, SQLSMALLINT, SQLLEN);
  54     SQLRETURN (*SQLCloseCursorPtr)(SQLHSTMT);
  55     SQLRETURN (*SQLPrimaryKeysPtr)( SQLHSTMT, SQLCHAR*, SQLSMALLINT, SQLCHAR*, SQLSMALLINT, SQLCHAR*, SQLSMALLINT);
  56     SQLRETURN (*SQLGetDataPtr)(SQLHSTMT,SQLUSMALLINT,SQLSMALLINT,SQLPOINTER, SQLLEN,SQLLEN*);
  57     SQLRETURN (*SQLDisconnectPtr)(SQLHDBC);
  58     SQLRETURN (*SQLTablesPtr)(SQLHSTMT ,SQLCHAR *, SQLSMALLINT , SQLCHAR * , SQLSMALLINT, SQLCHAR *,  SQLSMALLINT, SQLCHAR*,SQLSMALLINT);
  59     SQLRETURN (*SQLProcedureColumnsPtr)(SQLHSTMT, SQLCHAR *, SQLSMALLINT, SQLCHAR *, SQLSMALLINT, SQLCHAR *, SQLSMALLINT,SQLCHAR *, SQLSMALLINT);
  60 };
  61
  62 /**
  63 * @class SqlOdbcConnection
  64 *
  65 */
  66 //class SqlOdbcSym {
  67 //    public:
  68 //};
  69
  70 class DllExport SqlOdbcConnection : public AbsSqlConnection
  71 {
  72     Connection dummyConn;
  73     char errState[STATE_LENGTH];
  74     char dsName[IDENTIFIER_LENGTH];
  75     bool isConnOpen;
  76     TDBInfo tdbName;
  77     public:
  78     SQLHENV envHdl;
  79     SQLHDBC dbHdl;
  80     char dsString[IDENTIFIER_LENGTH];
  81     IsolationLevel prevIsoLevel;
  82     SqlOdbcConnection()
  83     {
  84         strcpy(errState,"00000");
  85         innerConn = NULL;
  86         tdbName = mysql;
  87         prevIsoLevel = READ_COMMITTED;
  88         dsName[0]='\0';
  89         isConnOpen = false;
  90     }
  91     ~SqlOdbcConnection(){}
  92
  93     void setDsName(char *dsname){ strcpy(dsName,dsname);}
  94     char *getDsName(){return dsName;}
  95     void setTrDbName(char *name);
  96     TDBInfo getTrDbName(){return tdbName;}
  97     static bool symbolsLoaded;
  98     static struct SQLFuncPtrs ODBCFuncPtrs;
  99
 100     void setErrorState( SQLHDBC dbc);
 101     DbRetVal loadSymbols();
 102
 103     //Note::forced to implement this as it is pure virtual in base class
 104     Connection& getConnObject(){  return dummyConn; }
 105     bool isConnectionOpen() { if (isConnOpen) return true; return false; }
 106
 107     DbRetVal connect (char *user, char * pass);
 108
 109     DbRetVal disconnect();
 110
 111     DbRetVal commit();
 112
 113     DbRetVal rollback();
 114
 115     DbRetVal beginTrans (IsolationLevel isoLevel, TransSyncMode mode);
 116
 117     friend class SqlFactory;
 118 };
 119
 120 #endif