allowed master and outstation to shutdown gracefully

reset_dnp3_submodule.sh

@@ -1,3 +1,4 @@
+# Note: deprecated
 git rm --cached deps/dnp3
 rm -rf .git/modules/deps/dnp3
 rm -rf deps/dnp3

reset_pybind11_submodule.sh

@@ -1,3 +1,4 @@
+# Note: deprecated
 git rm --cached deps/pybind11
 rm -rf .git/modules/deps/pybind11
 rm -rf deps/pybind11

src/dnp3_python/dnp3station/master_new.py

@@ -616,3 +616,15 @@ def shutdown(self):
         del self.master
         del self.channel
         del self.manager
+
+        # del self.slow_scan
+        # del self.fast_scan
+        # self.master.Shutdown()
+        # self.channel.Shutdown()
+        # self.manager.Shutdown()
+
+    def __del__(self):
+        try:
+            self.shutdown()
+        except AttributeError:
+            pass

src/dnp3_python/dnp3station/outstation_new.py

@@ -238,8 +238,8 @@ def shutdown(self):
         """
         time.sleep(2)  # Note: hard-coded sleep to avoid hanging process
         _outstation = self.get_outstation()
-        # _outstation.Shutdown()
-        del _outstation
+        _outstation.Shutdown()
+        # del _outstation
         self.channel.Shutdown()
 
         # self.manager.Shutdown()
@@ -305,6 +305,12 @@ def apply_update(cls,
         update = asiodnp3.UpdateBuilder().Update(measurement, index).Build()
         cls.get_outstation().Apply(update)
 
+    def __del__(self):
+        try:
+            self.shutdown()
+        except Exception:
+            pass
+
 
 class OutstationCommandHandler(opendnp3.ICommandHandler):
     """