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.
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.
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
18 * Author : Maxim Mamontov <faust@stargazer.dp.ua>
23 $Date: 2010/03/04 12:24:19 $
28 * An implementation of RAII store plugin loader
33 #include "stg/common.h"
34 #include "stg/store.h"
35 #include "store_loader.h"
36 #include "settings_impl.h"
38 STORE_LOADER::STORE_LOADER(const SETTINGS_IMPL & settings)
43 storeSettings(settings.GetStoreModuleSettings()),
44 pluginFileName(settings.GetModulesPath() + "/mod_" + storeSettings.moduleName + ".so")
48 STORE_LOADER::~STORE_LOADER()
53 bool STORE_LOADER::Load()
57 errorStr = "Store plugin '" + pluginFileName + "' was already loaded!";
58 printfd(__FILE__, "STORE_LOADER::Load() - %s\n", errorStr.c_str());
62 if (pluginFileName.empty())
64 errorStr = "Empty store plugin filename";
65 printfd(__FILE__, "STORE_LOADER::Load() - %s\n", errorStr.c_str());
69 handle = dlopen(pluginFileName.c_str(), RTLD_NOW);
73 errorStr = "Error loading plugin '"
74 + pluginFileName + "': '" + dlerror() + "'";
75 printfd(__FILE__, "STORE_LOADER::Load() - %s\n", errorStr.c_str());
81 STORE * (*GetStore)();
82 GetStore = (STORE * (*)())dlsym(handle, "GetStore");
85 errorStr = std::string("GetStore() not found! ") + dlerror();
86 printfd(__FILE__, "STORE_LOADER::Load() - %s\n", errorStr.c_str());
94 errorStr = "Plugin was not created!";
95 printfd(__FILE__, "STORE_LOADER::Load() - %s\n");
99 plugin->SetSettings(storeSettings);
100 if (plugin->ParseSettings())
102 errorStr = plugin->GetStrError();
103 printfd(__FILE__, "STORE_LOADER::Load() - Failed to parse settings. Plugin reports: '%s'\n", errorStr.c_str());
110 bool STORE_LOADER::Unload()
112 printfd(__FILE__, "STORE_LOADER::Unload()\n");
120 errorStr = "Failed to unload plugin '";
121 errorStr += pluginFileName + "': ";
122 errorStr += dlerror();
123 printfd(__FILE__, "STORE_LOADER::Unload() - %s\n", errorStr.c_str());