/*
- Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
/** @file src/job_manager.cc
* @brief A simple scheduler for jobs.
*/
-#include "job_manager.h"
-#include "job.h"
-#include "cross.h"
+
#include "analyse_audio_job.h"
+#include "analyse_subtitles_job.h"
+#include "cross.h"
#include "film.h"
+#include "job.h"
+#include "job_manager.h"
#include <boost/thread.hpp>
-#include <boost/foreach.hpp>
-#include <iostream>
-using std::string;
+
+using std::dynamic_pointer_cast;
+using std::function;
using std::list;
-using std::cout;
-using boost::shared_ptr;
-using boost::weak_ptr;
-using boost::function;
-using boost::dynamic_pointer_cast;
-using boost::optional;
+using std::make_shared;
+using std::shared_ptr;
+using std::string;
+using std::weak_ptr;
using boost::bind;
+using boost::optional;
+
+
+JobManager* JobManager::_instance = nullptr;
-JobManager* JobManager::_instance = 0;
JobManager::JobManager ()
- : _terminate (false)
- , _paused (false)
- , _scheduler (0)
{
}
+
void
JobManager::start ()
{
- _scheduler = new boost::thread (boost::bind (&JobManager::scheduler, this));
+ _scheduler = boost::thread (boost::bind(&JobManager::scheduler, this));
#ifdef DCPOMATIC_LINUX
- pthread_setname_np (_scheduler->native_handle(), "job-scheduler");
+ pthread_setname_np (_scheduler.native_handle(), "job-scheduler");
#endif
}
+
JobManager::~JobManager ()
{
- BOOST_FOREACH (boost::signals2::connection& i, _connections) {
+ boost::this_thread::disable_interruption dis;
+
+ for (auto& i: _connections) {
i.disconnect ();
}
_empty_condition.notify_all ();
}
- if (_scheduler) {
- /* Ideally this would be a DCPOMATIC_ASSERT(_scheduler->joinable()) but we
- can't throw exceptions from a destructor.
- */
- if (_scheduler->joinable ()) {
- _scheduler->join ();
- }
- }
-
- delete _scheduler;
+ try {
+ _scheduler.join();
+ } catch (...) {}
}
+
shared_ptr<Job>
JobManager::add (shared_ptr<Job> j)
{
_empty_condition.notify_all ();
}
- emit (boost::bind (boost::ref (JobAdded), weak_ptr<Job> (j)));
+ emit (boost::bind(boost::ref(JobAdded), weak_ptr<Job>(j)));
return j;
}
+
shared_ptr<Job>
JobManager::add_after (shared_ptr<Job> after, shared_ptr<Job> j)
{
{
boost::mutex::scoped_lock lm (_mutex);
- list<shared_ptr<Job> >::iterator i = find (_jobs.begin(), _jobs.end(), after);
+ auto i = find (_jobs.begin(), _jobs.end(), after);
DCPOMATIC_ASSERT (i != _jobs.end());
_jobs.insert (i, j);
_empty_condition.notify_all ();
}
- emit (boost::bind (boost::ref (JobAdded), weak_ptr<Job> (j)));
+ emit (boost::bind(boost::ref(JobAdded), weak_ptr<Job>(j)));
return j;
}
-list<shared_ptr<Job> >
+
+list<shared_ptr<Job>>
JobManager::get () const
{
boost::mutex::scoped_lock lm (_mutex);
return _jobs;
}
+
bool
JobManager::work_to_do () const
{
boost::mutex::scoped_lock lm (_mutex);
- list<shared_ptr<Job> >::const_iterator i = _jobs.begin();
+ auto i = _jobs.begin();
while (i != _jobs.end() && (*i)->finished()) {
++i;
}
return i != _jobs.end ();
}
+
bool
JobManager::errors () const
{
boost::mutex::scoped_lock lm (_mutex);
- for (list<shared_ptr<Job> >::const_iterator i = _jobs.begin(); i != _jobs.end(); ++i) {
- if ((*i)->finished_in_error ()) {
+ for (auto i: _jobs) {
+ if (i->finished_in_error()) {
return true;
}
}
return false;
}
+
void
JobManager::scheduler ()
{
+ start_of_thread ("JobManager");
+
while (true) {
boost::mutex::scoped_lock lm (_mutex);
- optional<string> active_job;
-
while (true) {
bool have_new = false;
bool have_running = false;
- BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
+ for (auto i: _jobs) {
if (i->running()) {
have_running = true;
- active_job = i->json_name();
}
if (i->is_new()) {
have_new = true;
break;
}
- BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
+ for (auto i: _jobs) {
if (i->is_new()) {
_connections.push_back (i->FinishedImmediate.connect(bind(&JobManager::job_finished, this)));
i->start ();
+ emit (boost::bind (boost::ref (ActiveJobsChanged), _last_active_job, i->json_name()));
+ _last_active_job = i->json_name ();
/* Only start one job at once */
break;
}
}
-
- lm.unlock ();
-
- if (active_job != _last_active_job) {
- emit (boost::bind (boost::ref (ActiveJobsChanged), _last_active_job, active_job));
- _last_active_job = active_job;
- }
}
}
+
void
JobManager::job_finished ()
{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ emit (boost::bind(boost::ref (ActiveJobsChanged), _last_active_job, optional<string>()));
+ _last_active_job = optional<string>();
+ }
+
_empty_condition.notify_all ();
}
+
JobManager *
JobManager::instance ()
{
- if (_instance == 0) {
+ if (!_instance) {
_instance = new JobManager ();
_instance->start ();
}
return _instance;
}
+
void
JobManager::drop ()
{
delete _instance;
- _instance = 0;
+ _instance = nullptr;
}
+
void
JobManager::analyse_audio (
shared_ptr<const Film> film,
{
boost::mutex::scoped_lock lm (_mutex);
- BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
- shared_ptr<AnalyseAudioJob> a = dynamic_pointer_cast<AnalyseAudioJob> (i);
- if (a && a->playlist () == playlist) {
+ for (auto i: _jobs) {
+ auto a = dynamic_pointer_cast<AnalyseAudioJob> (i);
+ if (a && a->path() == film->audio_analysis_path(playlist) && !i->finished_cancelled()) {
i->when_finished (connection, ready);
return;
}
{
boost::mutex::scoped_lock lm (_mutex);
- job.reset (new AnalyseAudioJob (film, playlist, from_zero));
+ job = make_shared<AnalyseAudioJob> (film, playlist, from_zero);
connection = job->Finished.connect (ready);
_jobs.push_back (job);
_empty_condition.notify_all ();
emit (boost::bind (boost::ref (JobAdded), weak_ptr<Job> (job)));
}
+
+void
+JobManager::analyse_subtitles (
+ shared_ptr<const Film> film,
+ shared_ptr<Content> content,
+ boost::signals2::connection& connection,
+ function<void()> ready
+ )
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+
+ for (auto i: _jobs) {
+ auto a = dynamic_pointer_cast<AnalyseSubtitlesJob> (i);
+ if (a && a->path() == film->subtitle_analysis_path(content)) {
+ i->when_finished (connection, ready);
+ return;
+ }
+ }
+ }
+
+ shared_ptr<AnalyseSubtitlesJob> job;
+
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+
+ job = make_shared<AnalyseSubtitlesJob>(film, content);
+ connection = job->Finished.connect (ready);
+ _jobs.push_back (job);
+ _empty_condition.notify_all ();
+ }
+
+ emit (boost::bind(boost::ref(JobAdded), weak_ptr<Job>(job)));
+}
+
+
void
JobManager::increase_priority (shared_ptr<Job> job)
{
{
boost::mutex::scoped_lock lm (_mutex);
- list<shared_ptr<Job> >::iterator last = _jobs.end ();
- for (list<shared_ptr<Job> >::iterator i = _jobs.begin(); i != _jobs.end(); ++i) {
+ auto last = _jobs.end ();
+ for (auto i = _jobs.begin(); i != _jobs.end(); ++i) {
if (*i == job && last != _jobs.end()) {
swap (*i, *last);
changed = true;
}
}
+
void
JobManager::priority_changed ()
{
boost::mutex::scoped_lock lm (_mutex);
bool first = true;
- BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
+ for (auto i: _jobs) {
if (first) {
if (i->is_new ()) {
i->start ();
}
}
- emit (boost::bind (boost::ref (JobsReordered)));
+ emit (boost::bind(boost::ref(JobsReordered)));
}
+
void
JobManager::decrease_priority (shared_ptr<Job> job)
{
{
boost::mutex::scoped_lock lm (_mutex);
- for (list<shared_ptr<Job> >::iterator i = _jobs.begin(); i != _jobs.end(); ++i) {
- list<shared_ptr<Job> >::iterator next = i;
+ for (auto i = _jobs.begin(); i != _jobs.end(); ++i) {
+ auto next = i;
++next;
if (*i == job && next != _jobs.end()) {
swap (*i, *next);
}
}
+
void
JobManager::pause ()
{
return;
}
- BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
+ for (auto i: _jobs) {
if (i->pause_by_user()) {
_paused_job = i;
}
_paused = true;
}
+
void
JobManager::resume ()
{