tripwire-open-source/src/core/refcountobj.cpp

152 lines
4.1 KiB
C++

//
// The developer of the original code and/or files is Tripwire, Inc.
// Portions created by Tripwire, Inc. are copyright (C) 2000-2018 Tripwire,
// Inc. Tripwire is a registered trademark of Tripwire, Inc. All rights
// reserved.
//
// This program is free software. The contents of this file are subject
// to 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. You may redistribute it and/or modify it
// only in compliance with the GNU General Public License.
//
// This program is distributed in the hope that it will be useful.
// However, this program is distributed AS-IS WITHOUT ANY
// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
// FOR A PARTICULAR PURPOSE. Please 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
//
// Nothing in the GNU General Public License or any other license to use
// the code or files shall permit you to use Tripwire's trademarks,
// service marks, or other intellectual property without Tripwire's
// prior written consent.
//
// If you have any questions, please contact Tripwire, Inc. at either
// info@tripwire.org or www.tripwire.org.
//
///////////////////////////////////////////////////////////////////////////////
// refcountobj.cpp
#include "stdcore.h"
#include "refcountobj.h"
#include "debug.h"
// TODO:dmb - not sure about commenting this out, do we want to include <typeinfo.h> ???
//#include "typeinfo.h"
#include "errorutil.h"
#ifdef DEBUG
int cRefCountObj::objectCounter = 0;
int cRefCountObj::referenceCounter = 0;
#include <typeinfo>
// ok, this is getting serious!
#include <set>
typedef std::set<void*> RefSet; // collection of addresses of all reference counted objects
RefSet* gpRefCountObj_Objects = 0;
// a way to see what hasn't been accounted for....
struct cRefCountObj_Debug
{
~cRefCountObj_Debug()
{
RefSet::iterator i;
cDebug d("cRefCountObj_Debug");
if (gpRefCountObj_Objects)
{
for (i = gpRefCountObj_Objects->begin(); i != gpRefCountObj_Objects->end(); i++)
{
d.TraceNever("Refrence Counted Object %p still exists\n", *i);
}
}
}
} gRefCountObj_Debug;
#endif // DEBUG
cRefCountObj::cRefCountObj()
{
mRefCount = 1;
//std::cout << "Allocated RefObj(" << std::hex << (int)this << ")\n";
#ifdef DEBUG
++objectCounter;
++referenceCounter;
cDebug d("cRefCountObj::cRefCountObj");
d.TraceNever("Object Created[%p] %s\n", this, typeid(*this).name());
if (!gpRefCountObj_Objects)
gpRefCountObj_Objects = new RefSet;
gpRefCountObj_Objects->insert(this);
#endif
}
cRefCountObj::~cRefCountObj()
{
ASSERT(mRefCount == 0);
//std::cout << "Deleted RefObj(" << std::hex << (int)this << ")\n";
#ifdef DEBUG
--objectCounter;
cDebug d("cRefCountObj::~cRefCountObj");
d.TraceNever("Object Destroyed[%p] %s Objects Left = %d\n", this, typeid(*this).name(), objectCounter);
if (objectCounter == 0)
{
d.TraceDebug("****** All Reference Counted Objects Destroyed! ******\n");
}
ASSERT(gpRefCountObj_Objects);
RefSet::const_iterator i = gpRefCountObj_Objects->find(this);
ASSERT(i != gpRefCountObj_Objects->end());
gpRefCountObj_Objects->erase(this);
if (gpRefCountObj_Objects->size() == 0)
{
delete gpRefCountObj_Objects;
gpRefCountObj_Objects = 0;
}
#endif
}
void cRefCountObj::AddRef() const
{
ASSERT(this);
if (mRefCount <= 0)
{
THROW_INTERNAL("refcountobj.cpp");
}
++mRefCount;
#ifdef DEBUG
++referenceCounter;
#endif
}
void cRefCountObj::Release() const
{
if (--mRefCount == 0)
{
Delete();
}
#ifdef DEBUG
--referenceCounter;
#endif
}
void cRefCountObj::Delete() const
{
delete this;
}