include/SqlNwConnection.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 SQLNWCONNECTION_H
  21 #define SQLNWCONNECTION_H
  22 #include<CSql.h>
  23 #include<Network.h>
  24 #include<AbsSqlConnection.h>
  25 #include<SqlFactory.h>
  26
  27 /**
  28 * @class SqlNwConnection
  29 *
  30 */
  31 class SqlNwConnection : public AbsSqlConnection
  32 {
  33     Connection dummyConn;
  34     bool isConnOpen;
  35     char hostname[128];
  36     int port;
  37     char sqlApiImplType;
  38     public:
  39     NetworkClient *nwClient;
  40     IsolationLevel prevIsoLevel;
  41     SqlNwConnection(SqlApiImplType tp){nwClient = NULL; innerConn = NULL; isConnOpen = false; sqlApiImplType = tp; }
  42
  43     //Note::forced to implement this as it is pure virtual in base class
  44     Connection& getConnObject(){  return dummyConn; }
  45     NetworkClient* getNetworkClient() { return nwClient; }
  46     DbRetVal connect (char *user, char * pass);
  47
  48     DbRetVal disconnect();
  49
  50     DbRetVal commit();
  51     void setHost(char *host, int portNo)
  52     {
  53         port=portNo;
  54         strcpy(hostname,host);
  55     }
  56
  57     DbRetVal rollback();
  58
  59     DbRetVal beginTrans (IsolationLevel isoLevel, TransSyncMode mode = OSYNC);
  60
  61     DbRetVal send(NetworkPacketType type, char *buffer, size_t len)
  62     { return  nwClient->send(type, buffer, len); }
  63     DbRetVal receive() { return nwClient->receive(); }
  64     bool isConOpen() { return isConnOpen; }
  65     void * getResponsePacket() { return nwClient->getResponsePacket(); }
  66     ~SqlNwConnection() { if (isConnOpen) disconnect(); }
  67     friend class SqlFactory;
  68 };
  69
  70 #endif