Call functions with watchdogs.py.

Call psstop after "reset driver"

revpipyload/revpipyload.py

@@ -791,6 +791,7 @@ class RevPiPyLoad():
 
         # Watchdog to detect the reset_driver event
         pictory_reset_driver = ResetDriverWatchdog()
+        pictory_reset_driver.register_call(self.xml_psstop)
 
         # mainloop
         while not self._exit:
@@ -1369,6 +1370,7 @@ class RevPiPyLoad():
         @return True, wenn stop erfolgreich"""
         if self.xml_ps is not None:
             self.xml_ps.stop()
+            self.xml_ps.loadrevpimodio()
             return True
         else:
             return False

revpipyload/watchdogs.py

@@ -178,6 +178,7 @@ class ResetDriverWatchdog(Thread):
     def __init__(self):
         super(ResetDriverWatchdog, self).__init__()
         self.daemon = True
+        self._calls = []
         self._exit = False
         self._fh = None
         self.not_implemented = False
@@ -213,6 +214,8 @@ class ResetDriverWatchdog(Thread):
                 if rc == 0 and byte_buff[0] == 1:
                     self._triggered = True
                     pi.logger.debug("piCtory reset_driver detected")
+                    for func in self._calls:
+                        func()
             except Exception:
                 self.not_implemented = True
                 os.close(self._fh)
@@ -222,6 +225,13 @@ class ResetDriverWatchdog(Thread):
 
         pi.logger.debug("leave ResetDriverWatchdog.run()")
 
+    def register_call(self, function):
+        """Register a function, if watchdog triggers."""
+        if not callable(function):
+            return ValueError("Function is not callable.")
+        if function not in self._calls:
+            self._calls.append(function)
+
     def stop(self):
         """Stop watchdog for piCtory reset_driver."""
         pi.logger.debug("enter ResetDriverWatchdog.stop()")
@@ -233,6 +243,13 @@ class ResetDriverWatchdog(Thread):
 
         pi.logger.debug("leave ResetDriverWatchdog.stop()")
 
+    def unregister_call(self, function=None):
+        """Remove a function call on watchdog trigger."""
+        if function is None:
+            self._calls.clear()
+        elif function in self._calls:
+            self._calls.remove(function)
+
     @property
     def triggered(self):
         """Will return True one time after watchdog was triggered."""