X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fjob_manager.cc;h=2b727b0aaa43985942674f07d4f881051369236b;hb=58c574239f98b03f253934d061d976bdb3e30899;hp=dd7c62c318a499b68ab1c8a2734115620097882e;hpb=bb767c7e338414beee132af3e96829c1448e214b;p=dcpomatic.git

diff --git a/src/lib/job_manager.cc b/src/lib/job_manager.cc
index dd7c62c31..2b727b0aa 100644
--- a/src/lib/job_manager.cc
+++ b/src/lib/job_manager.cc
@@ -25,30 +25,56 @@
 #include <boost/thread.hpp>
 #include "job_manager.h"
 #include "job.h"
+#include "cross.h"
+#include "ui_signaller.h"
 
-using namespace std;
-using namespace boost;
+using std::string;
+using std::list;
+using std::cout;
+using boost::shared_ptr;
+using boost::weak_ptr;
 
 JobManager* JobManager::_instance = 0;
 
 JobManager::JobManager ()
+	: _terminate (false)
+	, _last_active_jobs (false)
+	, _scheduler (new boost::thread (boost::bind (&JobManager::scheduler, this)))
 {
-	boost::thread (boost::bind (&JobManager::scheduler, this));
+	
 }
 
-void
+JobManager::~JobManager ()
+{
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		_terminate = true;
+	}
+
+	if (_scheduler->joinable ()) {
+		_scheduler->join ();
+	}
+}
+
+shared_ptr<Job>
 JobManager::add (shared_ptr<Job> j)
 {
-	boost::mutex::scoped_lock lm (_mutex);
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		_jobs.push_back (j);
+	}
+
+	if (ui_signaller) {
+		ui_signaller->emit (boost::bind (boost::ref (JobAdded), weak_ptr<Job> (j)));
+	}
 	
-	_jobs.push_back (j);
+	return j;
 }
 
 list<shared_ptr<Job> >
 JobManager::get () const
 {
 	boost::mutex::scoped_lock lm (_mutex);
-	
 	return _jobs;
 }
 
@@ -64,29 +90,60 @@ JobManager::work_to_do () const
 	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 ()) {
+			return true;
+		}
+	}
+
+	return false;
+}	
+
 void
 JobManager::scheduler ()
 {
-	while (1) {
+	while (true) {
+
+		bool active_jobs = false;
+
 		{
 			boost::mutex::scoped_lock lm (_mutex);
-			int running = 0;
-			shared_ptr<Job> first_new;
+			if (_terminate) {
+				return;
+			}
+			
 			for (list<shared_ptr<Job> >::iterator i = _jobs.begin(); i != _jobs.end(); ++i) {
+
+				if (!(*i)->finished ()) {
+					active_jobs = true;
+				}
+				
 				if ((*i)->running ()) {
-					++running;
-				} else if (!(*i)->finished () && first_new == 0) {
-					first_new = *i;
+					/* Something is already happening */
+					break;
 				}
-
-				if (running == 0 && first_new) {
-					first_new->start ();
+				
+				if ((*i)->is_new()) {
+					(*i)->start ();
+					
+					/* Only start one job at once */
 					break;
 				}
 			}
 		}
 
-		sleep (1);
+		if (active_jobs != _last_active_jobs) {
+			_last_active_jobs = active_jobs;
+			if (ui_signaller) {
+				ui_signaller->emit (boost::bind (boost::ref (ActiveJobsChanged), active_jobs));
+			}
+		}
+
+		dcpomatic_sleep (1);
 	}
 }
 
@@ -99,3 +156,10 @@ JobManager::instance ()
 
 	return _instance;
 }
+
+void
+JobManager::drop ()
+{
+	delete _instance;
+	_instance = 0;
+}