test: fix OCPP 2 server startup
[e-mobility-charging-stations-simulator.git] / tests / ocpp-server / server.py
index 87bb2e30638c502860eadd976235ea2f0a60e84f..308994edc69096a618213eb521a294119ef7cbd5 100644 (file)
@@ -1,54 +1,55 @@
 import asyncio
 import logging
-import websockets
 from datetime import datetime, timezone
+from threading import Timer
 
+import ocpp.v201
+import websockets
 from ocpp.routing import on
-from ocpp.v201 import ChargePoint as cp
-from ocpp.v201 import call_result
-from ocpp.v201.enums import RegistrationStatusType, GenericDeviceModelStatusType
+from ocpp.v201.enums import RegistrationStatusType, ClearCacheStatusType, Action
 
 # Setting up the logging configuration to display debug level messages.
 logging.basicConfig(level=logging.DEBUG)
 
+
+class RepeatTimer(Timer):
+    """ Class that inherits from the Timer class. It will run a
+    function at regular intervals."""
+
+    def run(self):
+        while not self.finished.wait(self.interval):
+            self.function(*self.args, **self.kwargs)
+
+
 # Define a ChargePoint class inheriting from the OCPP 2.0.1 ChargePoint class.
-class ChargePoint(cp):
-    # Define a handler for the BootNotification message.
-    @on('BootNotification')
+class ChargePoint(ocpp.v201.ChargePoint):
+    # Message handlers to receive OCPP messages.
+    @on(Action.BootNotification)
     async def on_boot_notification(self, charging_station, reason, **kwargs):
         logging.info("Received BootNotification")
         # Create and return a BootNotification response with the current time,
         # an interval of 10 seconds, and an accepted status.
-        return call_result.BootNotification(
-            current_time = datetime.now(timezone.utc).isoformat(),
+        return ocpp.v201.call_result.BootNotification(
+            current_time=datetime.now(timezone.utc).isoformat(),
             interval=10,
             status=RegistrationStatusType.accepted
         )
 
-    # Define a handler for the GetBaseReport message.
-    @on('GetBaseReport')
-    async def on_get_base_report(self, request_id, report_base, **kwargs):
-        try:
-            logging.info(f"Received GetBaseReport request with RequestId: {request_id} and ReportBase: {report_base}")
-
-            # Create a mock response for demonstration purposes, indicating the report is accepted.
-            response = call_result.GetBaseReport(
-                status=GenericDeviceModelStatusType.accepted
-            )
-
-            logging.info(f"Sending GetBaseReport response: {response}")
-            return response
-        except Exception as e:
-            # Log any errors that occur while handling the GetBaseReport request.
-            logging.error(f"Error handling GetBaseReport request: {e}", exc_info=True)
-            # Return a rejected status in case of error.
-            return call_result.GetBaseReport(
-                status=GenericDeviceModelStatusType.rejected
-            )
+    # Request handlers to emit OCPP messages.
+    async def send_clear_cache(self):
+        request = ocpp.v201.call.ClearCache()
+        response = await self.call(request)
+
+        if response.status == ClearCacheStatusType.accepted:
+            logging.info("Cache clearing successful")
+        else:
+            logging.info("Cache clearing failed")
+
 
 # Function to handle new WebSocket connections.
 async def on_connect(websocket, path):
-    """ For every new charge point that connects, create a ChargePoint instance and start listening for messages. """
+    """ For every new charge point that connects, create a ChargePoint instance and start
+    listening for messages."""
     try:
         requested_protocols = websocket.request_headers['Sec-WebSocket-Protocol']
     except KeyError:
@@ -70,19 +71,21 @@ async def on_connect(websocket, path):
     # Start the ChargePoint instance to listen for incoming messages.
     await cp.start()
 
+
 # Main function to start the WebSocket server.
 async def main():
     # Create the WebSocket server and specify the handler for new connections.
     server = await websockets.serve(
         on_connect,
-        '0.0.0.0',  # Listen on all available interfaces.
-        9000,       # Port number.
-        subprotocols=['ocpp2.0.1']  # Specify the OCPP 2.0.1 subprotocol.
+        '127.0.0.1',  # Listen on loopback.
+        9000,  # Port number.
+        subprotocols=['ocpp2.0', 'ocpp2.0.1']  # Specify OCPP 2.0.1 subprotocols.
     )
     logging.info("WebSocket Server Started")
     # Wait for the server to close (runs indefinitely).
     await server.wait_closed()
 
+
 # Entry point of the script.
 if __name__ == '__main__':
     # Run the main function to start the server.