/** 
 * @file lltrace.cpp
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2012, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "linden_common.h"

#include "lltrace.h"
#include "lltracerecording.h"
#include "lltracethreadrecorder.h"
#include "llfasttimer.h"

static S32 sInitializationCount = 0;

namespace LLTrace
{

static MasterThreadRecorder* gMasterThreadRecorder = NULL;

void init()
{
	if (sInitializationCount++ == 0)
	{
		gMasterThreadRecorder = new MasterThreadRecorder();
	}
}

bool isInitialized()
{
	return sInitializationCount > 0; 
}

void cleanup()
{
	if (--sInitializationCount == 0)
	{
		delete gMasterThreadRecorder;
		gMasterThreadRecorder = NULL;
	}
}

MasterThreadRecorder& getMasterThreadRecorder()
{
	llassert(gMasterThreadRecorder != NULL);
	return *gMasterThreadRecorder;
}

LLThreadLocalPointer<ThreadRecorder>& get_thread_recorder_ptr()
{
	static LLThreadLocalPointer<ThreadRecorder> s_thread_recorder;
	return s_thread_recorder;
}

const LLThreadLocalPointer<ThreadRecorder>& get_thread_recorder()
{
	return get_thread_recorder_ptr();
}

void set_thread_recorder(ThreadRecorder* recorder)
{
	get_thread_recorder_ptr() = recorder;
}


TimeBlockTreeNode::TimeBlockTreeNode() 
:	mBlock(NULL),
	mParent(NULL),
	mNeedsSorting(false)
{}

void TimeBlockTreeNode::setParent( TimeBlock* parent )
{
	llassert_always(parent != mBlock);
	llassert_always(parent != NULL);

	TimeBlockTreeNode* parent_tree_node = get_thread_recorder()->getTimeBlockTreeNode(parent->getIndex());
	if (!parent_tree_node) return;

	if (mParent)
	{
		std::vector<TimeBlock*>& children = mParent->getChildren();
		std::vector<TimeBlock*>::iterator found_it = std::find(children.begin(), children.end(), mBlock);
		if (found_it != children.end())
		{
			children.erase(found_it);
		}
	}

	mParent = parent;
	mBlock->getPrimaryAccumulator()->mParent = parent;
	parent_tree_node->mChildren.push_back(mBlock);
	parent_tree_node->mNeedsSorting = true;
}

}