Add command line parameter for server name and port

femto.py

@@ -44,6 +44,7 @@ def setup_command_argument_parser():
     :return: ArgumentParser with the station_test_watchdog options
     """
     parser = ArgumentParser(description="Femto watchdog listens to file write events")
+    parser.add_argument('url', help="OPC UA server name including port.  Example:  \"localhost:55555\"", default="localhost:55555")
     parser.add_argument('path', help="file system path to monitor for new file events")
     parser.add_argument('expected_filename', help="Considers events only on file with a name"
                                                   "that matches the specified regular expression")
@@ -74,7 +75,7 @@ def femto(args):
 
     settings = get_settings_from_command_arguments(args)
     apply_global_settings(settings)
-    server = setup_server()
+    server = setup_server(settings.url)
 
     try:
         # Start the server.

lib/femto_opc.py

@@ -28,11 +28,14 @@ def datapoint_change_callback(idx, current_event: dict):
 
     return True
 
-def setup_server():
+def setup_server(url: str):
     global monitor_points, idx
     # setup our server
     server = Server()
-    server.set_endpoint("opc.tcp://localhost:55555/LOFAR2.0/FEMTO")
+    server_url = "localhost:55555"
+    if url is not None:
+        server_url = url
+    server.set_endpoint("opc.tcp://" + server_url + "/LOFAR2.0/FEMTO")
     server.set_server_name("LOFAR2.0 Faulty Element Measurement To Opc UA (FEMTO)")
     # setup our own namespace, not really necessary but should as spec
     uri = "http://lofar.eu"