- Update test-python_loader, do not link to libpyloader anymore

- TODO: sigsegv (due to an hidden vtable?)


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@519 3ecf2c5c-341e-0410-92b4-d18e462d057c

Makefile.am

@@ -358,6 +358,7 @@ src_testsuite_test_history_SOURCES = \
 
 src_testsuite_test_python_loader_CPPFLAGS = \
 		-I@top_srcdir@/src \
+		-DMODDIR="\"$(pyloaderdir)\"" \
 		$(PYTHON_CPPFLAGS) \
 		$(GLIBMM_CFLAGS) \
 		$(GTHREAD_CFLAGS)
@@ -365,10 +366,14 @@ src_testsuite_test_python_loader_DEPENDENCIES = \
 		src/backend/pyloader/libpyloader.la
 src_testsuite_test_python_loader_LDFLAGS = \
 		src/backend/libbackend.la \
-		src/backend/pyloader/libpyloader.la \
+		$(GLIBMM_LIBS) $(GTHREAD_LIBS) \
-		$(GLIBMM_LIBS) $(GTHREAD_LIBS)
+		$(PYTHON_LDFLAGS) \
+		$(PYTHON_EXTRA_LIBS) \
+		$(PYTHON_EXTRA_LDFLAGS)
 src_testsuite_test_python_loader_SOURCES = \
 		src/testsuite/test-python_loader.cc \
+		src/backend/pyloader/python_policy.cc \
+		src/backend/pyloader/python_policy_manager.cc \
 		src/standard_io.cc \
 		src/text_simulation.cc \
 		src/observer.cc \

src/backend/observed_subject.hh

@@ -41,7 +41,7 @@ namespace sgpem
   class SG_DLLEXPORT ObservedSubject
   {
   public:
-    virtual ~ObservedSubject() =0;
+    virtual ~ObservedSubject() = 0;
 
     /**
 		This method calls Update() on each attached Observer. It should be called when the internal state

src/backend/pyloader/python_policy.cc

@@ -173,6 +173,12 @@ PythonPolicy::wait_unlock() const throw(UserInterruptException)
 
       if(i++ > 120) 
 	{
+	  
+      PyThreadState_Clear(_save);
+	  PyEval_RestoreThread(_save);
+
+	  //Py_UNBLOCK_THREADS;
+	  
 	  throw UserInterruptException("User-defined policy is " 
 				       "taking too long to terminate.");
 	}

src/backend/scheduler.cc

@@ -80,7 +80,7 @@ Scheduler::get_policy()
 
 
 void
-Scheduler::step_forward()
+Scheduler::step_forward() throw(UserInterruptException)
 {
   try 
     {
@@ -196,11 +196,13 @@ Scheduler::step_forward()
     } 
   catch( UserInterruptException e )
     {
-      // FIXME : Naive.
-      cerr << "Exception: " << e.what() << endl;
-
-      // Errrrr.... you won't like this:
       _policy_manager.init();
+
+      throw;
+	  
+      //TODO Do we need to perform some cleanup operation here?
+	  // Do we need to update something?
+	  
       // https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1165761&group_id=5470
       // maybe it's that??? oh, damn.
       // or maybe not. see http://www.python.org/doc/2.4.2/api/initialization.html
@@ -210,3 +212,4 @@ Scheduler::step_forward()
       //    - SimulationController that everything stopped
     }
 }
+

src/backend/scheduler.hh

@@ -35,6 +35,7 @@ namespace sgpem
 #include "observed_subject.hh"
 #include "history.hh"
 #include "schedulable_list.hh"
+#include "user_interrupt_exception.hh"
 
 namespace sgpem
 {
@@ -96,7 +97,7 @@ namespace sgpem
 		at the simulation instant next to the current one, and extends the History by
 		one instant with it.
 		*/
-		void 						step_forward();
+		void 						step_forward() throw(UserInterruptException);
 		/**
 		Sets the policy that will be used to generate the simulation at the next instant.
 		\param policy the policy that will be used to generate the simulation at the next instant.

src/simulation.cc

@@ -73,7 +73,7 @@ Simulation::reset()
 }
 
 void
-Simulation::run()
+Simulation::run() throw(UserInterruptException)
 {
 	History& h = History::get_instance();
 	
@@ -105,12 +105,22 @@ loop:
 			return;
 		}
 		
-		//step forward
+		try
-		Scheduler::get_instance().step_forward();
+		{
+			//step forward
+			Scheduler::get_instance().step_forward();
 		
-		//sleep
+			//sleep
-		Glib::usleep(_timer_interval*1000);
+			Glib::usleep(_timer_interval*1000);
 		
+		}
+		catch(UserInterruptException e)
+		{
+            stop();
+
+			throw;
+		}
+
 		//check the state
 		if (_state == state_stopped || _state == state_paused)
 			return;
@@ -136,24 +146,43 @@ loop:
 			//by the last execution of upadate()
 			_state = state_paused;
 		else
-			//step forward
+		{
-			Scheduler::get_instance().step_forward();		
+		
+			try
+			{
+				//step forward
+				Scheduler::get_instance().step_forward();		
+			}
+			catch(UserInterruptException e)
+			{
+				throw;
+			}
+		}
 	}
 	
 }
 
 
 void
-Simulation::jump_to(const uint& where)
+Simulation::jump_to(const uint& where) throw(UserInterruptException)
 {
 	//jump to position 0
 	reset();
 	bool old = _mode;
 	_mode = false;
 	
-	// executes "where" steps
+
-	for (uint i=0; i < where; i++)
+	try
-		run();
+	{
+		// executes "where" steps
+		for (uint i=0; i < where; i++)
+			run();
+	}
+	catch(UserInterruptException e)
+	{
+		_mode = old;
+		throw;
+	}
 	
 	_state = state_paused;
 	_mode = old;

src/simulation.hh

@@ -72,7 +72,7 @@ namespace sgpem
 		  Advances the simulation by one or more steps, depending on the
 		  actual state and on the value set with set_mode().
 		 */  
-		void 	run();
+		void 	run() throw(UserInterruptException);
 
 		/**
 		  \brief Pauses a running simulation.
@@ -103,7 +103,7 @@ namespace sgpem
 		/**
 		  \brief Causes the simulation to jump to the given time unit.
 		 */
-		void	jump_to(const uint&);
+		void	jump_to(const uint&) throw(UserInterruptException);
 		
 		/**		  
 		  \brief Setter for the attribute timer_interval. 

src/testsuite/python_loader_configure.py

@@ -6,6 +6,7 @@ class python_loader_configure(Policy) :
         pass;
 
     def configure(self):
+        print "[II] Entering willingly an endless loop."
         while True:
             pass
 

src/testsuite/python_loader_get_time_slice.py

@@ -12,6 +12,7 @@ class python_loader_get_time_slice(Policy) :
         return False
 
     def get_time_slice(self):
+        print "[II] Entering willingly an endless loop."
         while True:
             pass
         return -1

src/testsuite/python_loader_is_preemptive.py

@@ -9,6 +9,7 @@ class python_loader_is_preemptive(Policy) :
         pass
 
     def is_preemptive(self):
+        print "[II] Entering willingly an endless loop."
         while True:
             pass
         return False

src/testsuite/python_loader_sort_queue.py

@@ -15,5 +15,6 @@ class python_loader_sort_queue(Policy) :
         return -1
 
     def sort_queue(self, event, queue):
+        print "[II] Entering willingly an endless loop."
         while True:
             pass

src/testsuite/test-python_loader.cc

@@ -62,7 +62,7 @@ main(int argc, char** argv) {
 	exit(-1);
     }
     else 
-      // Add current directory to search for uninstalled policies
+      // Add argv[1] as the directory to search for uninstalled policies
       sgpem::GlobalSettings::instance().add_policies_dir(argv[1]);
 	
     Glib::thread_init();
@@ -94,15 +94,19 @@ main(int argc, char** argv) {
 
     polman.test_init("python_loader_configure");
     text_sim.run();
+    text_sim.stop();
 
     polman.test_init("python_loader_is_preemptive");
     text_sim.run();
+    text_sim.stop();
 
     polman.test_init("python_loader_get_time_slice");
     text_sim.run();
+    text_sim.stop();
 
     polman.test_init("python_loader_sort_queue");
     text_sim.run();
+    text_sim.stop();
 
     exit(0);
 }

src/text_simulation.cc

@@ -110,7 +110,18 @@ check:
 					"by its priority enclosed between round parenthesis."));
 			return;
 		}
-		obj->run();
+
+		try
+		{
+			obj->run();
+		}
+		catch(UserInterruptException e)
+		{
+			obj->_devices[quale]->write_buffer(_("\nERROR: "));
+			obj->_devices[quale]->write_buffer(_(e.what()));
+			obj->_devices[quale]->write_buffer(_("\nSimulation is now stopped"));
+            
+        }
 	}
 	else if (arguments[param] == "PAUSE")
 	{