Fix getTime and doStep (#937)

Author: lochel

src/OMSimulatorLib/Model.cpp

@@ -900,7 +900,7 @@ oms_status_enu_t oms::Model::setStopTime(double value)
 
 double oms::Model::getTime() const
 {
-  if (system)
+  if (system && validState(oms_modelState_simulation))
     return system->getTime();
   return getStartTime();
 }

src/OMSimulatorLib/SystemSC.cpp

@@ -557,6 +557,8 @@ oms_status_enu_t oms::SystemSC::doStep()
     hcur = tnext - tlast;
   }
 
+  // logInfo("SystemSC::doStep [" + std::to_string(tlast) + "; " + std::to_string(tnext) + "]");
+
   // integrate using specified solver
   if (oms_solver_sc_explicit_euler == solverMethod)
   {
@@ -626,9 +628,7 @@ oms_status_enu_t oms::SystemSC::doStep()
 oms_status_enu_t oms::SystemSC::stepUntil(double stopTime, void (*cb)(const char* ident, double time, oms_status_enu_t status))
 {
   CallClock callClock(clock);
-
-  ComRef modelName = this->getModel()->getCref();
-  double startTime=time;
+  const double startTime=time;
 
   if (Flags::ProgressBar())
     logInfo("stepUntil [" + std::to_string(startTime) + "; " + std::to_string(stopTime) + "]");
@@ -642,7 +642,7 @@ oms_status_enu_t oms::SystemSC::stepUntil(double stopTime, void (*cb)(const char
     if (isTopLevelSystem())
     {
       if (cb)
-        cb(modelName.c_str(), time, status);
+        cb(this->getModel()->getCref().c_str(), time, status);
 
       if (Flags::ProgressBar())
         Log::ProgressBar(startTime, stopTime, time);

src/OMSimulatorPython/OMSimulator.py

@@ -173,6 +173,8 @@ def initialize(self, cref):
     return Scope._capi.initialize(cref)
   def simulate(self, cref):
     return Scope._capi.simulate(cref)
+  def doStep(self, cref):
+    return Scope._capi.doStep(cref)
   def stepUntil(self, cref, stopTime):
     return Scope._capi.stepUntil(cref, stopTime)
   def terminate(self, cref):

src/OMSimulatorPython/capi.py

@@ -46,16 +46,18 @@ def __init__(self):
     self.obj.oms_deleteConnectorFromBus.restype = ctypes.c_int
     self.obj.oms_deleteConnectorFromTLMBus.argtypes = [ctypes.c_char_p, ctypes.c_char_p]
     self.obj.oms_deleteConnectorFromTLMBus.restype = ctypes.c_int
+    self.obj.oms_doStep.argtypes = [ctypes.c_char_p]
+    self.obj.oms_doStep.restype = ctypes.c_int
     self.obj.oms_export.argtypes = [ctypes.c_char_p, ctypes.c_char_p]
     self.obj.oms_export.restype = ctypes.c_int
     self.obj.oms_exportDependencyGraphs.argtypes = [ctypes.c_char_p, ctypes.c_char_p, ctypes.c_char_p, ctypes.c_char_p]
     self.obj.oms_exportDependencyGraphs.restype = ctypes.c_int
     self.obj.oms_exportSnapshot.argtypes = [ctypes.c_char_p]
     self.obj.oms_exportSnapshot.restype = ctypes.c_int
-    self.obj.oms_exportSSVTemplate.argtypes = [ctypes.c_char_p, ctypes.c_char_p]
-    self.obj.oms_exportSSVTemplate.restype = ctypes.c_int
     self.obj.oms_exportSSMTemplate.argtypes = [ctypes.c_char_p, ctypes.c_char_p]
     self.obj.oms_exportSSMTemplate.restype = ctypes.c_int
+    self.obj.oms_exportSSVTemplate.argtypes = [ctypes.c_char_p, ctypes.c_char_p]
+    self.obj.oms_exportSSVTemplate.restype = ctypes.c_int
     self.obj.oms_faultInjection.argtypes = [ctypes.c_char_p, ctypes.c_int, ctypes.c_double]
     self.obj.oms_faultInjection.restype = ctypes.c_int
     self.obj.oms_getBoolean.argtypes = [ctypes.c_char_p, ctypes.POINTER(ctypes.c_bool)]
@@ -74,6 +76,8 @@ def __init__(self):
     self.obj.oms_getStopTime.restype = ctypes.c_int
     self.obj.oms_getSystemType.argtypes = [ctypes.c_char_p]
     self.obj.oms_getSystemType.restype = ctypes.c_int
+    self.obj.oms_getTime.argtypes = [ctypes.c_char_p]
+    self.obj.oms_getTime.restype = ctypes.c_int
     self.obj.oms_getVariableStepSize.argtypes = [ctypes.c_char_p, ctypes.POINTER(ctypes.c_double), ctypes.POINTER(ctypes.c_double), ctypes.POINTER(ctypes.c_double)]
     self.obj.oms_getVariableStepSize.restype = ctypes.c_int
     self.obj.oms_getVersion.argtypes = None
@@ -186,6 +190,8 @@ def deleteConnectorFromBus(self, busCref, connectorCref):
     return self.obj.oms_deleteConnectorFromBus(busCref.encode(), connectorCref.encode())
   def deleteConnectorFromTLMBus(self, busCref, connectorCref):
     return self.obj.oms_deleteConnectorFromTLMBus(busCref.encode(), connectorCref.encode())
+  def doStep(self, cref):
+    return self.obj.oms_doStep(cref.encode())
   def export(self, cref, filename):
     return self.obj.oms_export(cref.encode(), filename.encode())
   def exportDependencyGraphs(self, cref, initialization, event, simulation):
@@ -232,6 +238,10 @@ def getSystemType(self, cref):
     type_ = ctypes.c_int()
     status = self.obj.oms_getSystemType(cref.encode(), ctypes.byref(type_))
     return [type_.value, status]
+  def getTime(self, cref):
+    time = ctypes.c_double()
+    status = self.obj.oms_getTime(cref.encode(), ctypes.byref(time))
+    return [time.value, status]
   def getVariableStepSize(self, cref):
     initialStepSize = ctypes.c_double()
     minimumStepSize = ctypes.c_double()