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/************************************************************************
*
* Copyright (C) 2009-2025 IRCAD France
* Copyright (C) 2012-2019 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 "app/config_launcher.hpp"
#include <core/com/proxy.hpp>
#include <core/com/signal.hxx>
#include <core/com/slots.hxx>
namespace sight::app
{
static const std::string S_CLOSE_CONFIG_ID = "CLOSE_CONFIG";
//------------------------------------------------------------------------------
config_launcher::config_launcher() noexcept :
m_config_launcher(std::make_unique<app::helper::config_launcher>())
{
new_signal<signals::launched_t>(signals::LAUNCHED);
}
//------------------------------------------------------------------------------
service::connections_t config_launcher::auto_connections() const
{
return {
{m_config_id, sight::data::object::MODIFIED_SIG, slots::UPDATE}
};
}
//------------------------------------------------------------------------------
void config_launcher::configuring(const config_t& _config)
{
m_config_launcher->parse_config(_config, this->get_sptr());
m_proxy_channel = this->get_id() + "_stop_config";
}
//------------------------------------------------------------------------------
void config_launcher::starting()
{
const auto config = *m_config_id;
if(not config.empty())
{
m_config_launcher->set_config(config);
}
if(not m_config_launcher->config().empty())
{
this->start_config();
}
}
//------------------------------------------------------------------------------
void config_launcher::stopping()
{
this->stop_config();
}
//------------------------------------------------------------------------------
void config_launcher::updating()
{
bool start = !m_config_launcher->config_is_running();
const auto new_config = *m_config_id;
// If the configuration is different from the current one
if(m_config_launcher->config() != new_config)
{
// Set the new configuration to start
m_config_launcher->set_config(new_config);
// Stop the current configuration and force restart
if(!start)
{
start = true;
this->stop_config();
}
}
if(start)
{
this->start_config();
}
}
//------------------------------------------------------------------------------
void config_launcher::start_config()
{
if(!m_config_launcher->config_is_running())
{
core::com::proxy::sptr proxies = core::com::proxy::get();
proxies->connect(m_proxy_channel, this->slot(service::base::slots::STOP));
app::field_adaptor_t replace_map;
replace_map[S_CLOSE_CONFIG_ID] = m_proxy_channel;
try
{
m_config_launcher->start_config(this->get_sptr(), replace_map);
this->async_emit(signals::LAUNCHED);
}
catch(const std::exception& /*e*/)
{
// Disconnect to avoid inconsistent state
proxies->disconnect(m_proxy_channel, this->slot(service::base::slots::STOP));
// Rethrow the same exception
throw;
}
}
}
//------------------------------------------------------------------------------
void config_launcher::stop_config()
{
if(m_config_launcher->config_is_running())
{
m_config_launcher->stop_config();
core::com::proxy::sptr proxies = core::com::proxy::get();
proxies->disconnect(m_proxy_channel, this->slot(service::base::slots::STOP));
}
}
//------------------------------------------------------------------------------
} // namespace sight::app
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