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/************************************************************************
*
* Copyright (C) 2024 IRCAD France
*
* 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 "long_job.hpp"
#include <core/com/signal.hpp>
#include <core/com/signal.hxx>
#include <core/jobs/aggregator.hpp>
#include <core/jobs/job.hpp>
#include <atomic>
namespace ex_progress_bar
{
static std::atomic_uint64_t job_id {0};
long_job::long_job() noexcept
{
new_signal<signals::job_created_t>(signals::JOB_CREATED);
}
//------------------------------------------------------------------------------
void long_job::starting()
{
}
//------------------------------------------------------------------------------
void long_job::stopping()
{
}
//------------------------------------------------------------------------------
void long_job::configuring()
{
m_cancelable = this->get_config().get<bool>("config.<xmlattr>.cancellable", m_cancelable);
}
//------------------------------------------------------------------------------
void long_job::updating()
{
std::atomic_bool cancelled {false};
const auto real_long_job = std::make_shared<sight::core::jobs::job>(
"Long job " + std::to_string(job_id.fetch_add(1)),
[&](sight::core::jobs::job& _running_job)
{
for(std::uint64_t i = 1 ; i <= 100 ; ++i)
{
if(_running_job.cancel_requested() || cancelled.load())
{
return;
}
std::this_thread::sleep_for(std::chrono::milliseconds(50));
_running_job.done_work(i);
}
_running_job.done();
},
this->worker()
);
real_long_job->set_cancelable(m_cancelable);
// Manage the cancellation.
if(m_cancelable)
{
real_long_job->add_cancel_hook(
[&cancelled](sight::core::jobs::base&)
{
cancelled.store(true);
});
}
// Emit signal to notify the job creation.
this->signal<signals::job_created_t>(signals::JOB_CREATED)->emit(real_long_job);
// Perform the job.
real_long_job->run().get();
}
} // namespace ex_progress_bar.
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