icinga2/base/object.cpp

117 lines
3.4 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* 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; either version 2 *
* of the License, or (at your option) any later version. *
* *
* 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 "i2-base.h"
using namespace icinga;
boost::mutex Object::m_Mutex;
vector<Object::Ptr> Object::m_HeldObjects;
#ifdef _DEBUG
set<Object *> Object::m_AliveObjects;
#endif /* _DEBUG */
/**
* Default constructor for the Object class.
*/
Object::Object(void)
{
#ifdef _DEBUG
boost::mutex::scoped_lock lock(m_Mutex);
m_AliveObjects.insert(this);
#endif /* _DEBUG */
}
/**
* Destructor for the Object class.
*/
Object::~Object(void)
{
#ifdef _DEBUG
boost::mutex::scoped_lock lock(m_Mutex);
m_AliveObjects.erase(this);
#endif /* _DEBUG */
}
/**
* Temporarily holds onto a reference for an object. This can
* be used to safely clear the last reference to an object
* in an event handler.
*/
void Object::Hold(void)
{
boost::mutex::scoped_lock lock(m_Mutex);
m_HeldObjects.push_back(GetSelf());
}
/**
* Clears all temporarily held objects.
*/
void Object::ClearHeldObjects(void)
{
boost::mutex::scoped_lock lock(m_Mutex);
m_HeldObjects.clear();
}
Object::SharedPtrHolder Object::GetSelf(void)
{
return Object::SharedPtrHolder(shared_from_this());
}
#ifdef _DEBUG
int Object::GetAliveObjects(void)
{
boost::mutex::scoped_lock lock(m_Mutex);
return m_AliveObjects.size();
}
void Object::PrintMemoryProfile(void)
{
map<String, int> types;
ofstream dictfp("dictionaries.dump.tmp");
{
boost::mutex::scoped_lock lock(m_Mutex);
set<Object *>::iterator it;
BOOST_FOREACH(Object *obj, m_AliveObjects) {
pair<map<String, int>::iterator, bool> tt;
tt = types.insert(make_pair(Utility::GetTypeName(typeid(*obj)), 1));
if (!tt.second)
tt.first->second++;
if (typeid(*obj) == typeid(Dictionary)) {
Dictionary::Ptr dict = obj->GetSelf();
dictfp << Value(dict).Serialize() << std::endl;
}
}
}
dictfp.close();
if (rename("dictionaries.dump.tmp", "dictionaries.dump") < 0)
throw_exception(PosixException("rename() failed", errno));
String type;
int count;
BOOST_FOREACH(tie(type, count), types) {
std::cerr << type << ": " << count << std::endl;
}
}
#endif /* _DEBUG */