projects/stargazer/plugins/store/firebird/firebird_store.cpp

   1 /*
   2  *    This program is free software; you can redistribute it and/or modify
   3  *    it under the terms of the GNU General Public License as published by
   4  *    the Free Software Foundation; either version 2 of the License, or
   5  *    (at your option) any later version.
   6  *
   7  *    This program is distributed in the hope that it will be useful,
   8  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  *    GNU General Public License for more details.
  11  *
  12  *    You should have received a copy of the GNU General Public License
  13  *    along with this program; if not, write to the Free Software
  14  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  15  */
  16
  17 /*
  18  *    Author : Maxim Mamontov <faust@stargazer.dp.ua>
  19  */
  20
  21 /*
  22  *  This file contains a realization of a base firebird-storage plugin class
  23  *
  24  *  $Revision: 1.18 $
  25  *  $Date: 2010/01/08 16:00:45 $
  26  *
  27  */
  28
  29 #include <string>
  30 #include <vector>
  31 #include <algorithm>
  32
  33 #include "stg/ibpp.h"
  34 #include "stg/plugin_creator.h"
  35 #include "firebird_store.h"
  36
  37 namespace
  38 {
  39 PLUGIN_CREATOR<FIREBIRD_STORE> frsc;
  40 }
  41
  42 extern "C" STORE * GetStore();
  43 //-----------------------------------------------------------------------------
  44 STORE * GetStore()
  45 {
  46 return frsc.GetPlugin();
  47 }
  48 //-----------------------------------------------------------------------------
  49 //-----------------------------------------------------------------------------
  50 //-----------------------------------------------------------------------------
  51 FIREBIRD_STORE::FIREBIRD_STORE()
  52     : version("firebird_store v.1.4"),
  53       strError(),
  54       db_server("localhost"),
  55       db_database("/var/stg/stargazer.fdb"),
  56       db_user("stg"),
  57       db_password("123456"),
  58       settings(),
  59       db(),
  60       mutex(),
  61       til(IBPP::ilConcurrency),
  62       tlr(IBPP::lrWait),
  63       logger(GetPluginLogger(GetStgLogger(), "store_firebird"))
  64 {
  65 pthread_mutex_init(&mutex, NULL);
  66 }
  67 //-----------------------------------------------------------------------------
  68 FIREBIRD_STORE::~FIREBIRD_STORE()
  69 {
  70 db->Disconnect();
  71 }
  72 //-----------------------------------------------------------------------------
  73 int FIREBIRD_STORE::ParseSettings()
  74 {
  75 std::vector<PARAM_VALUE>::iterator i;
  76 std::string s;
  77
  78 for(i = settings.moduleParams.begin(); i != settings.moduleParams.end(); ++i)
  79     {
  80     s = i->param;
  81     std::transform(s.begin(), s.end(), s.begin(), ToLower());
  82     if (s == "server")
  83         {
  84         db_server = *(i->value.begin());
  85         }
  86     if (s == "database")
  87         {
  88         db_database = *(i->value.begin());
  89         }
  90     if (s == "user")
  91         {
  92         db_user = *(i->value.begin());
  93         }
  94     if (s == "password")
  95         {
  96         db_password = *(i->value.begin());
  97         }
  98
  99     // Advanced settings block
 100
 101     if (s == "isolationLevel")
 102         {
 103         if (*(i->value.begin()) == "Concurrency")
 104             {
 105             til = IBPP::ilConcurrency;
 106             }
 107         else if (*(i->value.begin()) == "DirtyRead")
 108             {
 109             til = IBPP::ilReadDirty;
 110             }
 111         else if (*(i->value.begin()) == "ReadCommitted")
 112             {
 113             til = IBPP::ilReadCommitted;
 114             }
 115         else if (*(i->value.begin()) == "Consistency")
 116             {
 117             til = IBPP::ilConsistency;
 118             }
 119         }
 120     if (s == "lockResolution")
 121         {
 122         if (*(i->value.begin()) == "Wait")
 123             {
 124             tlr = IBPP::lrWait;
 125             }
 126         else if (*(i->value.begin()) == "NoWait")
 127             {
 128             tlr = IBPP::lrNoWait;
 129             }
 130         }
 131     }
 132
 133 try
 134     {
 135     db = IBPP::DatabaseFactory(db_server, db_database, db_user, db_password, "", "KOI8U", "");
 136     db->Connect();
 137     }
 138 catch (IBPP::Exception & ex)
 139     {
 140     strError = "IBPP exception";
 141     printfd(__FILE__, ex.what());
 142     return -1;
 143     }
 144
 145 return 0;
 146 }
 147 //-----------------------------------------------------------------------------