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/************************************************************************
*
* Copyright (C) 2009-2023 IRCAD France
* Copyright (C) 2012-2020 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight 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, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "memory_consumption.hpp"
#include <data/array.hpp>
#include <service/macros.hpp>
#include <ui/__/dialog/message.hpp>
#include <boost/lexical_cast.hpp>
#include <sstream>
namespace sight::module::debug::action
{
/// Static variable shared by both actions
static std::vector<data::array::sptr> memory_consumer;
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void memory_consumption::push_new_array(std::size_t _memory_size_in_bytes)
{
try
{
data::array::sptr buffer = std::make_shared<data::array>();
data::array::size_t size(1, _memory_size_in_bytes);
buffer->resize(size, core::type::UINT8, true);
SIGHT_INFO("Creating a data::array consuming " << _memory_size_in_bytes / (1024LL * 1024) << " Mo ");
memory_consumer.push_back(buffer);
}
catch(std::exception& e)
{
std::stringstream msg;
msg << "Cannot allocate buffer (" << _memory_size_in_bytes / (1024LL * 1024) << " Mo) :\n" << e.what()
<< std::endl;
sight::ui::dialog::message::show(
"Action increase memory",
msg.str(),
sight::ui::dialog::message::critical
);
}
}
//------------------------------------------------------------------------------
memory_consumption::memory_consumption() noexcept :
m_memory_size_in_bytes(1024LL * 1024 * 256) // 256 Mo
{
}
//------------------------------------------------------------------------------
memory_consumption::~memory_consumption() noexcept =
default;
//------------------------------------------------------------------------------
void memory_consumption::updating()
{
if(m_is_increase_mode)
{
this->push_new_array(m_memory_size_in_bytes);
}
else
{
if(!memory_consumer.empty())
{
SIGHT_INFO("Removing one data::array");
memory_consumer.pop_back();
}
}
}
//------------------------------------------------------------------------------
void memory_consumption::configuring()
{
this->sight::ui::action::initialize();
const auto& config = this->get_config();
const auto mode = config.get<std::string>("config.<xmlattr>.mode");
SIGHT_ASSERT("Wrong value (" << mode << ") for mode tag", mode == "increase" || mode == "decrease");
m_is_increase_mode = (mode == "increase");
if(const auto value = config.get_optional<std::string>("config.<xmlattr>.value");
m_is_increase_mode&& value.has_value())
{
auto size_in_mo = boost::lexical_cast<std::size_t>(value.value());
m_memory_size_in_bytes = size_in_mo * 1024 * 1024;
}
}
//------------------------------------------------------------------------------
void memory_consumption::starting()
{
this->sight::ui::action::action_service_starting();
}
//------------------------------------------------------------------------------
void memory_consumption::stopping()
{
this->sight::ui::action::action_service_stopping();
}
//------------------------------------------------------------------------------
} // namespace sight::module::debug::action
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