C++11 tidying.
[dcpomatic.git] / src / lib / job_manager.cc
index 1724879d0656ffe38b0a6962374a1489744af377..2839bce30c379f8c98c85cffe5af54e0bd36cb50 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2020 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 <iostream>
 
-using std::string;
+
+using std::dynamic_pointer_cast;
 using std::list;
-using std::cout;
+using std::make_shared;
 using std::shared_ptr;
+using std::string;
 using std::weak_ptr;
+using boost::bind;
 using boost::function;
-using std::dynamic_pointer_cast;
 using boost::optional;
-using boost::bind;
 
-JobManager* JobManager::_instance = 0;
+
+JobManager* JobManager::_instance = nullptr;
+
 
 JobManager::JobManager ()
-       : _terminate (false)
-       , _paused (false)
 {
 
 }
 
+
 void
 JobManager::start ()
 {
@@ -59,6 +62,7 @@ JobManager::start ()
 #endif
 }
 
+
 JobManager::~JobManager ()
 {
        boost::this_thread::disable_interruption dis;
@@ -78,6 +82,7 @@ JobManager::~JobManager ()
        } catch (...) {}
 }
 
+
 shared_ptr<Job>
 JobManager::add (shared_ptr<Job> j)
 {
@@ -87,39 +92,42 @@ 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;
        }
@@ -127,12 +135,13 @@ JobManager::work_to_do () const
        return i != _jobs.end ();
 }
 
+
 bool
 JobManager::errors () const
 {
        boost::mutex::scoped_lock lm (_mutex);
        for (auto i: _jobs) {
-               if (i->finished_in_error ()) {
+               if (i->finished_in_error()) {
                        return true;
                }
        }
@@ -140,6 +149,7 @@ JobManager::errors () const
        return false;
 }
 
+
 void
 JobManager::scheduler ()
 {
@@ -183,22 +193,24 @@ JobManager::scheduler ()
        }
 }
 
+
 void
 JobManager::job_finished ()
 {
        {
                boost::mutex::scoped_lock lm (_mutex);
-               emit (boost::bind (boost::ref (ActiveJobsChanged), _last_active_job, optional<string>()));
+               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 ();
        }
@@ -206,13 +218,15 @@ JobManager::instance ()
        return _instance;
 }
 
+
 void
 JobManager::drop ()
 {
        delete _instance;
-       _instance = 0;
+       _instance = nullptr;
 }
 
+
 void
 JobManager::analyse_audio (
        shared_ptr<const Film> film,
@@ -226,7 +240,7 @@ JobManager::analyse_audio (
                boost::mutex::scoped_lock lm (_mutex);
 
                for (auto i: _jobs) {
-                       shared_ptr<AnalyseAudioJob> a = dynamic_pointer_cast<AnalyseAudioJob> (i);
+                       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;
@@ -239,7 +253,7 @@ JobManager::analyse_audio (
        {
                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 ();
@@ -261,7 +275,7 @@ JobManager::analyse_subtitles (
                boost::mutex::scoped_lock lm (_mutex);
 
                for (auto i: _jobs) {
-                       shared_ptr<AnalyseSubtitlesJob> a = dynamic_pointer_cast<AnalyseSubtitlesJob> (i);
+                       auto a = dynamic_pointer_cast<AnalyseSubtitlesJob> (i);
                        if (a && a->path() == film->subtitle_analysis_path(content)) {
                                i->when_finished (connection, ready);
                                return;
@@ -274,13 +288,13 @@ JobManager::analyse_subtitles (
        {
                boost::mutex::scoped_lock lm (_mutex);
 
-               job.reset (new AnalyseSubtitlesJob(film, content));
+               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)));
+       emit (boost::bind(boost::ref(JobAdded), weak_ptr<Job>(job)));
 }
 
 
@@ -291,8 +305,8 @@ 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;
@@ -307,6 +321,7 @@ JobManager::increase_priority (shared_ptr<Job> job)
        }
 }
 
+
 void
 JobManager::priority_changed ()
 {
@@ -330,9 +345,10 @@ JobManager::priority_changed ()
                }
        }
 
-       emit (boost::bind (boost::ref (JobsReordered)));
+       emit (boost::bind(boost::ref(JobsReordered)));
 }
 
+
 void
 JobManager::decrease_priority (shared_ptr<Job> job)
 {
@@ -340,8 +356,8 @@ 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);
@@ -356,6 +372,7 @@ JobManager::decrease_priority (shared_ptr<Job> job)
        }
 }
 
+
 void
 JobManager::pause ()
 {
@@ -374,6 +391,7 @@ JobManager::pause ()
        _paused = true;
 }
 
+
 void
 JobManager::resume ()
 {