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/************************************************************************
*
* Copyright (C) 2014-2023 IRCAD France
* Copyright (C) 2014-2020 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 "consumer.hpp"
#include <core/com/slots.hxx>
#include <core/thread/timer.hpp>
#include <service/macros.hpp>
#include <functional>
namespace ex_timeline
{
//------------------------------------------------------------------------------
const sight::core::com::slots::key_t consumer::CONSUME_SLOT = "consume";
//------------------------------------------------------------------------------
consumer::consumer() noexcept
{
new_slot(CONSUME_SLOT, &consumer::consume, this);
}
//------------------------------------------------------------------------------
consumer::~consumer() noexcept =
default;
//------------------------------------------------------------------------------
void consumer::configuring()
{
sight::service::config_t config = this->get_config();
m_receiver_id = config.get<unsigned int>("id");
m_period = config.get<unsigned int>("period", 0);
}
//------------------------------------------------------------------------------
void consumer::starting()
{
if(m_period != 0U)
{
m_timer = this->worker()->create_timer();
m_timer->set_function([this](auto&& ...){updating();});
m_timer->set_duration(std::chrono::milliseconds(m_period));
m_timer->start();
}
}
//------------------------------------------------------------------------------
void consumer::stopping()
{
m_timer.reset();
}
//------------------------------------------------------------------------------
void consumer::updating()
{
const auto timeline = m_timeline.lock();
const auto timestamp = sight::core::clock::get_time_in_milli_sec();
const CSPTR(::ex_timeline::message_tl::buffer_t) buffer = timeline->get_closest_buffer(timestamp);
if(buffer)
{
const ::ex_timeline::msg_data& element = buffer->get_element(0);
std::cout << "Message received (timer): CONSUMER: " << m_receiver_id << " SENDER: " << element.uid_sender
<< " MESSAGE: \"" << element.sz_msg.data() << "\"" << std::endl;
}
}
//------------------------------------------------------------------------------
void consumer::consume(sight::core::clock::type _timestamp)
{
const auto timeline = m_timeline.lock();
const CSPTR(::ex_timeline::message_tl::buffer_t) buffer = timeline->get_closest_buffer(_timestamp);
if(buffer)
{
const ::ex_timeline::msg_data& element = buffer->get_element(0);
std::cout << "Message received (slot) : CONSUMER: " << m_receiver_id << " SENDER: " << element.uid_sender
<< " MESSAGE: \"" << element.sz_msg.data() << "\"" << std::endl;
}
}
//------------------------------------------------------------------------------
} // namespace ex_timeline
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