/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic 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 General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
* @brief A simple scheduler for jobs.
*/
-#include <list>
+#include "signaller.h"
#include <boost/thread/mutex.hpp>
+#include <boost/thread.hpp>
#include <boost/signals2.hpp>
+#include <list>
class Job;
+class Film;
+class Playlist;
+
+extern bool wait_for_jobs ();
/** @class JobManager
* @brief A simple scheduler for jobs.
*/
-class JobManager
+class JobManager : public Signaller, public boost::noncopyable
{
public:
-
boost::shared_ptr<Job> add (boost::shared_ptr<Job>);
+ boost::shared_ptr<Job> add_after (boost::shared_ptr<Job> after, boost::shared_ptr<Job> j);
std::list<boost::shared_ptr<Job> > get () const;
bool work_to_do () const;
bool errors () const;
+ void increase_priority (boost::shared_ptr<Job>);
+ void decrease_priority (boost::shared_ptr<Job>);
+
+ void analyse_audio (
+ boost::shared_ptr<const Film> film,
+ boost::shared_ptr<const Playlist> playlist,
+ bool from_zero,
+ boost::signals2::connection& connection,
+ boost::function<void()> ready
+ );
- boost::signals2::signal<void (bool)> ActiveJobsChanged;
+ boost::signals2::signal<void (boost::weak_ptr<Job>)> JobAdded;
+ boost::signals2::signal<void ()> JobsReordered;
+ boost::signals2::signal<void (boost::optional<std::string>, boost::optional<std::string>)> ActiveJobsChanged;
static JobManager* instance ();
+ static void drop ();
private:
/* This function is part of the test suite */
- friend void ::wait_for_jobs ();
-
+ friend bool ::wait_for_jobs ();
+
JobManager ();
+ ~JobManager ();
void scheduler ();
-
+ void start ();
+ void priority_changed ();
+
mutable boost::mutex _mutex;
+ /** List of jobs in the order that they will be executed */
std::list<boost::shared_ptr<Job> > _jobs;
+ bool _terminate;
- bool _last_active_jobs;
+ boost::optional<std::string> _last_active_job;
+ boost::thread* _scheduler;
static JobManager* _instance;
};