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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 "producer.hpp"
#include <core/com/signal.hxx>
#include <core/thread/timer.hpp>
namespace ex_timeline
{
//------------------------------------------------------------------------------
void producer::configuring()
{
sight::service::config_t config = this->get_config();
m_message = config.get<std::string>("message");
m_sender_id = config.get<unsigned int>("id");
m_period = config.get<unsigned int>("period", 0);
m_timeline_size = config.get<unsigned int>("timelineSize", 0);
}
//------------------------------------------------------------------------------
void producer::starting()
{
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();
// Init timeline pool
if(m_timeline_size != 0U)
{
const auto timeline = m_timeline.lock();
// This wouldn't hurt to initialize the timeline several times since it will be erased each time
// but this would be a mess to know who is the last to initialize
SIGHT_ASSERT("Timeline initialized twice", timeline->get_max_element_num() == ~0U);
timeline->set_maximum_size(m_timeline_size);
// We only have one element per buffer in this simple example
timeline->init_pool_size(1);
}
}
//------------------------------------------------------------------------------
void producer::stopping()
{
m_timer.reset();
}
//------------------------------------------------------------------------------
void producer::updating()
{
const auto timeline = m_timeline.lock();
const auto timestamp = sight::core::clock::get_time_in_milli_sec();
SPTR(::ex_timeline::message_tl::buffer_t) buffer = timeline->create_buffer(timestamp);
::ex_timeline::msg_data* data = buffer->add_element(0);
const std::string message = m_message + " #" + std::to_string(m_msg_count++);
data->uid_sender = m_sender_id;
std::copy(message.begin(), message.end(), data->sz_msg.begin());
timeline->push_object(buffer);
//Notify
sight::data::timeline::signals::pushed_t::sptr sig;
sig =
timeline->signal<sight::data::timeline::signals::pushed_t>(sight::data::timeline::signals::PUSHED);
sig->async_emit(timestamp);
}
//------------------------------------------------------------------------------
} // namespace ex_timeline
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