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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <string>
#include <vector>
#include <map>
#include "drizzled/module/registry.h"
#include "drizzled/module/library.h"
#include "drizzled/plugin.h"
#include "drizzled/show.h"
#include "drizzled/cursor.h"
using namespace std;
namespace drizzled
{
module::Registry::~Registry()
{
map<string, plugin::Plugin *>::iterator plugin_iter;
/* Give all plugins a chance to cleanup, before
* all plugins are deleted.
* This can be used if shutdown code references
* other plugins.
*/
plugin_iter= plugin_registry.begin();
while (plugin_iter != plugin_registry.end())
{
(*plugin_iter).second->shutdownPlugin();
++plugin_iter;
}
plugin_iter= plugin_registry.begin();
while (plugin_iter != plugin_registry.end())
{
delete (*plugin_iter).second;
++plugin_iter;
}
plugin_registry.clear();
/*
@TODO When we delete modules here, we segfault on a bad string. Why?
map<string, module::Module *>::iterator module_iter= module_map.begin();
while (module_iter != module_map.end())
{
delete (*module_iter).second;
++module_iter;
}
module_map.clear();
*/
map<string, module::Library *>::iterator library_iter= library_map.begin();
while (library_iter != library_map.end())
{
delete (*library_iter).second;
++library_iter;
}
library_map.clear();
}
void module::Registry::shutdown()
{
module::Registry& registry= singleton();
delete ®istry;
}
module::Module *module::Registry::find(string name)
{
transform(name.begin(), name.end(), name.begin(), ::tolower);
map<string, module::Module *>::iterator map_iter;
map_iter= module_map.find(name);
if (map_iter != module_map.end())
return (*map_iter).second;
return(0);
}
void module::Registry::add(module::Module *handle)
{
string add_str(handle->getName());
transform(add_str.begin(), add_str.end(),
add_str.begin(), ::tolower);
module_map[add_str]= handle;
}
void module::Registry::remove(module::Module *handle)
{
string remove_str(handle->getName());
transform(remove_str.begin(), remove_str.end(),
remove_str.begin(), ::tolower);
module_map.erase(remove_str);
}
vector<module::Module *> module::Registry::getList(bool active)
{
module::Module *plugin= NULL;
vector<module::Module *> plugins;
plugins.reserve(module_map.size());
map<string, module::Module *>::iterator map_iter;
for (map_iter= module_map.begin();
map_iter != module_map.end();
map_iter++)
{
plugin= (*map_iter).second;
if (active)
plugins.push_back(plugin);
else if (plugin->isInited)
plugins.push_back(plugin);
}
return plugins;
}
module::Library *module::Registry::addLibrary(const string &plugin_name,
bool builtin)
{
/* If this dll is already loaded just return it */
module::Library *library= findLibrary(plugin_name);
if (library != NULL)
{
return library;
}
library= module::Library::loadLibrary(plugin_name, builtin);
if (library != NULL)
{
/* Add this dll to the map */
library_map.insert(make_pair(plugin_name, library));
}
return library;
}
void module::Registry::removeLibrary(const string &plugin_name)
{
map<string, module::Library *>::iterator iter=
library_map.find(plugin_name);
if (iter != library_map.end())
{
library_map.erase(iter);
delete (*iter).second;
}
}
module::Library *module::Registry::findLibrary(const string &plugin_name) const
{
map<string, module::Library *>::const_iterator iter=
library_map.find(plugin_name);
if (iter != library_map.end())
return (*iter).second;
return NULL;
}
void module::Registry::shutdownModules()
{
module_shutdown(*this);
}
} /* namespace drizzled */
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