src/server/Connection.cxx

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by www.databasecache.com                           *
   3  *   Contact: praba_tuty@databasecache.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   ***************************************************************************/
  16 #include<SessionImpl.h>
  17 #include<Debug.h>
  18 #include<os.h>
  19 #include<Index.h>
  20 #include<Config.h>
  21 Connection::~Connection()
  22 {
  23     if (NULL != session) {
  24        session->rollback();
  25        session->close();
  26     }
  27     delete session;
  28     session = NULL;
  29     Index::destroy();
  30 }
  31
  32 DbRetVal Connection::open(const char *username, const char *password)
  33 {
  34     if (session == NULL) session = new SessionImpl();
  35     else
  36     {
  37        printError(ErrAlready, "User already logged in");
  38        return ErrAlready;
  39     }
  40     DbRetVal rv = logger.startLogger(config.getLogFile());
  41     if (rv != OK) { delete session; session = NULL; return rv; }
  42     logFinest(logger, "User logged in %s",username);
  43     rv = session->open(username, password);
  44     if (rv != OK) { delete session; session = NULL; return rv; }
  45 }
  46
  47 DbRetVal Connection::close()
  48 {
  49     if (session == NULL) return ErrNoConnection;
  50     logFinest(logger, "User logged out");
  51     logger.stopLogger();
  52     session ->rollback();
  53     DbRetVal rv= session->close();
  54     delete session;
  55     session = NULL;
  56     return rv;
  57 }
  58
  59 DatabaseManager* Connection::getDatabaseManager()
  60 {
  61     if (session == NULL) return NULL;
  62     return session->getDatabaseManager();
  63 }
  64
  65 UserManager* Connection::getUserManager()
  66 {
  67     if (session == NULL) return NULL;
  68     return session->getUserManager();
  69 }
  70
  71 DbRetVal Connection::startTransaction(IsolationLevel level)
  72 {
  73     if (session == NULL) return ErrNoConnection;
  74     return session->startTransaction(level);
  75 }
  76
  77
  78 DbRetVal Connection::commit()
  79 {
  80     if (session == NULL) return ErrNoConnection;
  81     return session->commit();
  82 }
  83
  84
  85 DbRetVal Connection::rollback()
  86 {
  87     if (session == NULL) return ErrNoConnection;
  88     return session->rollback();
  89 }