2 Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
23 * @brief A parent class to represent long-running tasks which are run in their own thread.
27 #include "compose.hpp"
28 #include "constants.h"
30 #include "dcpomatic_log.h"
31 #include "exceptions.h"
37 #include <dcp/exceptions.h>
38 #include <sub/exceptions.h>
39 #include <boost/date_time/posix_time/posix_time.hpp>
40 #include <boost/filesystem.hpp>
41 #include <boost/thread.hpp>
51 using std::shared_ptr;
53 using boost::optional;
54 using namespace dcpomatic;
57 /** @param film Associated film, or 0 */
58 Job::Job (shared_ptr<const Film> film)
63 , _rate_limit_progress(true)
71 #ifdef DCPOMATIC_DEBUG
72 /* Any subclass should have called stop_thread in its destructor */
73 assert (!_thread.joinable());
81 boost::this_thread::disable_interruption dis;
90 /** Start the job in a separate thread, returning immediately */
95 _start_time = time (0);
96 _sub_start_time = time (0);
97 _thread = boost::thread (boost::bind(&Job::run_wrapper, this));
98 #ifdef DCPOMATIC_LINUX
99 pthread_setname_np (_thread.native_handle(), "job-wrapper");
104 /** A wrapper for the ::run() method to catch exceptions */
108 start_of_thread (String::compose("Job-%1", json_name()));
114 } catch (dcp::FileError& e) {
116 string m = String::compose(_("An error occurred whilst handling the file %1."), e.filename().filename());
119 auto const s = dcp::filesystem::space(e.filename());
120 if (s.available < pow (1024, 3)) {
122 m += _("The drive that the film is stored on is low in disc space. Free some more space and try again.");
128 set_error (e.what(), m);
130 set_state (FINISHED_ERROR);
132 } catch (dcp::StartCompressionError& e) {
136 #ifdef DCPOMATIC_WINDOWS
137 #if (__GNUC__ && !__x86_64__)
140 _("Failed to encode the DCP."),
142 _("This error has probably occurred because you are running the 32-bit version of %1 and "
143 "trying to use too many encoding threads. Please reduce the 'number of threads %2 should "
144 "use' in the General tab of Preferences and try again."),
145 variant::dcpomatic(),
152 if (running_32_on_64()) {
154 _("Failed to encode the DCP."),
156 _("This error has probably occurred because you are running the 32-bit version of %1. "
157 "Please re-install %2 with the 64-bit installer and try again."),
158 variant::dcpomatic(),
170 string (_("It is not known what caused this error.")) + " " + REPORT_PROBLEM
175 set_state (FINISHED_ERROR);
177 } catch (OpenFileError& e) {
180 String::compose (_("Could not open %1"), e.file().string()),
181 String::compose(_("%1 could not open the file %2 (%3). Perhaps it does not exist or is in an unexpected format."),
182 variant::dcpomatic(),
183 dcp::filesystem::absolute(e.file()).string(),
189 set_state (FINISHED_ERROR);
191 } catch (boost::filesystem::filesystem_error& e) {
193 if (e.code() == boost::system::errc::no_such_file_or_directory) {
195 String::compose (_("Could not open %1"), e.path1().string ()),
196 String::compose(_("%1 could not open the file %2 (%3). Perhaps it does not exist or is in an unexpected format."),
197 variant::dcpomatic(),
198 dcp::filesystem::absolute(e.path1()).string(),
205 string (_("It is not known what caused this error.")) + " " + REPORT_PROBLEM
210 set_state (FINISHED_ERROR);
212 } catch (boost::thread_interrupted &) {
213 /* The job was cancelled; there's nothing else we need to do here */
214 } catch (sub::SubripError& e) {
216 string extra = "Error is near:\n";
217 for (auto i: e.context()) {
221 set_error (e.what (), extra);
223 set_state (FINISHED_ERROR);
225 } catch (std::bad_alloc& e) {
227 set_error (_("Out of memory"), _("There was not enough memory to do this. If you are running a 32-bit operating system try reducing the number of encoding threads in the General tab of Preferences."));
229 set_state (FINISHED_ERROR);
231 } catch (dcp::ReadError& e) {
233 set_error (e.message(), e.detail().get_value_or(""));
235 set_state (FINISHED_ERROR);
237 } catch (KDMError& e) {
239 set_error (e.summary(), e.detail());
241 set_state (FINISHED_ERROR);
243 } catch (FileError& e) {
245 set_error (e.what(), e.what());
247 set_state (FINISHED_ERROR);
249 } catch (CPLNotFoundError& e) {
253 set_state(FINISHED_ERROR);
255 } catch (MissingConfigurationError& e) {
259 set_state(FINISHED_ERROR);
261 } catch (std::exception& e) {
265 string (_("It is not known what caused this error.")) + " " + REPORT_PROBLEM
269 set_state (FINISHED_ERROR);
275 string (_("It is not known what caused this error.")) + " " + REPORT_PROBLEM
279 set_state (FINISHED_ERROR);
284 /** @return true if this job is new (ie has not started running) */
288 boost::mutex::scoped_lock lm (_state_mutex);
289 return _state == NEW;
293 /** @return true if the job is running */
295 Job::running () const
297 boost::mutex::scoped_lock lm (_state_mutex);
298 return _state == RUNNING;
302 /** @return true if the job has finished (either successfully or unsuccessfully) */
304 Job::finished () const
306 boost::mutex::scoped_lock lm (_state_mutex);
307 return _state == FINISHED_OK || _state == FINISHED_ERROR || _state == FINISHED_CANCELLED;
311 /** @return true if the job has finished successfully */
313 Job::finished_ok () const
315 boost::mutex::scoped_lock lm (_state_mutex);
316 return _state == FINISHED_OK;
320 /** @return true if the job has finished unsuccessfully */
322 Job::finished_in_error () const
324 boost::mutex::scoped_lock lm (_state_mutex);
325 return _state == FINISHED_ERROR;
330 Job::finished_cancelled () const
332 boost::mutex::scoped_lock lm (_state_mutex);
333 return _state == FINISHED_CANCELLED;
338 Job::paused_by_user () const
340 boost::mutex::scoped_lock lm (_state_mutex);
341 return _state == PAUSED_BY_USER;
346 Job::paused_by_priority () const
348 boost::mutex::scoped_lock lm (_state_mutex);
349 return _state == PAUSED_BY_PRIORITY;
353 /** Set the state of this job.
354 * @param s New state.
357 Job::set_state (State s)
359 bool finished = false;
362 boost::mutex::scoped_lock lm (_state_mutex);
369 if (_state == FINISHED_OK || _state == FINISHED_ERROR || _state == FINISHED_CANCELLED) {
370 _finish_time = time(nullptr);
377 auto const result = state_to_result(s);
378 emit(boost::bind(boost::ref(Finished), result));
379 FinishedImmediate(result);
385 Job::state_to_result(State state) const
389 return Result::RESULT_OK;
391 return Result::RESULT_ERROR;
392 case FINISHED_CANCELLED:
393 return Result::RESULT_CANCELLED;
395 DCPOMATIC_ASSERT(false);
398 DCPOMATIC_ASSERT(false);
402 /** @return DCPTime (in seconds) that this sub-job has been running */
404 Job::elapsed_sub_time () const
406 if (_sub_start_time == 0) {
410 return time (0) - _sub_start_time;
414 /** Check to see if this job has been interrupted or paused */
416 Job::check_for_interruption_or_pause ()
418 boost::this_thread::interruption_point ();
420 boost::mutex::scoped_lock lm (_state_mutex);
421 while (_state == PAUSED_BY_USER || _state == PAUSED_BY_PRIORITY) {
422 emit (boost::bind (boost::ref (Progress)));
423 _pause_changed.wait (lm);
429 Job::seconds_since_last_progress_update () const
431 boost::mutex::scoped_lock lm (_progress_mutex);
432 if (!_last_progress_update) {
437 gettimeofday (&now, 0);
439 return seconds(now) - seconds(*_last_progress_update);
443 /** Set the progress of the current part of the job.
444 * @param p Progress (from 0 to 1)
445 * @param force Do not ignore this update, even if it hasn't been long since the last one.
448 Job::set_progress (float p, bool force)
450 check_for_interruption_or_pause ();
452 if (!force && _rate_limit_progress) {
453 /* Check for excessively frequent progress reporting */
454 boost::mutex::scoped_lock lm (_progress_mutex);
456 gettimeofday (&now, 0);
457 if (_last_progress_update && _last_progress_update->tv_sec > 0) {
458 double const elapsed = seconds(now) - seconds(*_last_progress_update);
463 _last_progress_update = now;
466 set_progress_common (p);
471 Job::set_progress_common (optional<float> p)
474 boost::mutex::scoped_lock lm (_progress_mutex);
478 emit (boost::bind (boost::ref (Progress)));
482 /** @return fractional progress of the current sub-job, if known */
484 Job::progress () const
486 boost::mutex::scoped_lock lm (_progress_mutex);
495 boost::mutex::scoped_lock lm (_progress_mutex);
496 LOG_GENERAL ("Sub-job %1 starting", n);
500 set_progress (0, true);
501 _sub_start_time = time (0);
506 Job::error_details () const
508 boost::mutex::scoped_lock lm (_state_mutex);
509 return _error_details;
513 /** @return A summary of any error that the job has generated */
515 Job::error_summary () const
517 boost::mutex::scoped_lock lm (_state_mutex);
518 return _error_summary;
522 /** Set the current error string.
523 * @param s New error string.
524 * @param d New error detail string.
527 Job::set_error (string s, string d)
530 _film->log()->log (String::compose ("Error in job: %1 (%2)", s, d), LogEntry::TYPE_ERROR);
533 boost::mutex::scoped_lock lm (_state_mutex);
539 /** Say that this job's progress will be unknown until further notice */
541 Job::set_progress_unknown ()
543 check_for_interruption_or_pause ();
544 set_progress_common (optional<float> ());
548 /** @return Human-readable status of this job */
552 optional<float> p = progress ();
553 int const t = elapsed_sub_time ();
554 int const r = remaining_time ();
556 auto day_of_week_to_string = [](boost::gregorian::greg_weekday d) -> std::string {
557 switch (d.as_enum()) {
558 case boost::date_time::Sunday:
560 case boost::date_time::Monday:
562 case boost::date_time::Tuesday:
564 case boost::date_time::Wednesday:
565 return _("Wednesday");
566 case boost::date_time::Thursday:
567 return _("Thursday");
568 case boost::date_time::Friday:
570 case boost::date_time::Saturday:
571 return _("Saturday");
574 return d.as_long_string();
578 if (!finished () && p) {
579 int pc = lrintf (p.get() * 100);
581 /* 100% makes it sound like we've finished when we haven't */
586 snprintf (buffer, sizeof(buffer), "%d%%", pc);
589 if (t > 10 && r > 0) {
590 auto now = boost::posix_time::second_clock::local_time();
591 auto finish = now + boost::posix_time::seconds(r);
592 char finish_string[16];
593 snprintf (finish_string, sizeof(finish_string), "%02d:%02d", int(finish.time_of_day().hours()), int(finish.time_of_day().minutes()));
595 if (now.date() != finish.date()) {
596 /// TRANSLATORS: the %1 in this string will be filled in with a day of the week
597 /// to say what day a job will finish.
598 day = String::compose (_(" on %1"), day_of_week_to_string(finish.date().day_of_week()));
600 /// TRANSLATORS: "remaining; finishing at" here follows an amount of time that is remaining
601 /// on an operation; after it is an estimated wall-clock completion time.
602 s += String::compose(
603 _("; %1 remaining; finishing at %2%3"),
604 seconds_to_approximate_hms(r), finish_string, day
607 } else if (finished_ok ()) {
608 auto time_string = [](time_t time) {
609 auto tm = localtime(&time);
611 snprintf(buffer, sizeof(buffer), "%02d:%02d", tm->tm_hour, tm->tm_min);
612 return string(buffer);
614 auto const duration = _finish_time - _start_time;
616 /* It took less than 10 seconds; it doesn't seem worth saying how long it took */
618 } else if (duration < 600) {
619 /* It took less than 10 minutes; it doesn't seem worth saying when it started and finished */
620 s = String::compose(_("OK (ran for %1)"), seconds_to_hms(duration));
622 s = String::compose(_("OK (ran for %1 from %2 to %3)"), seconds_to_hms(duration), time_string(_start_time), time_string(_finish_time));
624 } else if (finished_in_error ()) {
625 s = String::compose (_("Error: %1"), error_summary ());
626 } else if (finished_cancelled ()) {
635 Job::json_status () const
637 boost::mutex::scoped_lock lm (_state_mutex);
643 return N_("running");
645 case PAUSED_BY_PRIORITY:
648 return N_("finished_ok");
650 return N_("finished_error");
651 case FINISHED_CANCELLED:
652 return N_("finished_cancelled");
659 /** @return An estimate of the remaining time for this sub-job, in seconds */
661 Job::remaining_time () const
663 if (progress().get_value_or(0) == 0) {
664 return elapsed_sub_time ();
667 return elapsed_sub_time() / progress().get() - elapsed_sub_time();
674 if (_thread.joinable()) {
677 _thread.interrupt ();
681 set_state (FINISHED_CANCELLED);
685 /** @return true if the job was paused, false if it was not running */
687 Job::pause_by_user ()
691 boost::mutex::scoped_lock lm (_state_mutex);
692 /* We can set _state here directly because we have a lock and we aren't
693 setting the job to FINISHED_*
695 if (_state == RUNNING) {
697 _state = PAUSED_BY_USER;
703 _pause_changed.notify_all ();
711 Job::pause_by_priority ()
714 set_state (PAUSED_BY_PRIORITY);
716 _pause_changed.notify_all ();
724 if (paused_by_user() || paused_by_priority()) {
726 _pause_changed.notify_all ();
732 Job::when_finished(boost::signals2::connection& connection, function<void(Result)> finished)
734 boost::mutex::scoped_lock lm (_state_mutex);
735 if (_state == FINISHED_OK || _state == FINISHED_ERROR || _state == FINISHED_CANCELLED) {
736 finished(state_to_result(_state));
738 connection = Finished.connect (finished);
744 Job::message () const
746 boost::mutex::scoped_lock lm (_state_mutex);
752 Job::set_message (string m)
754 boost::mutex::scoped_lock lm (_state_mutex);
760 Job::set_rate_limit_progress(bool rate_limit)
762 _rate_limit_progress = rate_limit;