X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Focpp-server%2Fserver.py;h=ea02342b9ddc5214bf2cc42b3799a6e883028f47;hb=4e5c91aef023b214716aeb6699edebd282cceeb9;hp=4dc7272709ebfcf075fb28f884dbc3b23719de0e;hpb=d6488e8da9634892f480dd4323a64d87716cbf13;p=e-mobility-charging-stations-simulator.git diff --git a/tests/ocpp-server/server.py b/tests/ocpp-server/server.py index 4dc72727..ea02342b 100644 --- a/tests/ocpp-server/server.py +++ b/tests/ocpp-server/server.py @@ -1,41 +1,160 @@ +import argparse import asyncio import logging from datetime import datetime, timezone -from typing import Sequence +from functools import partial +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 +from ocpp.v201.enums import ( + Action, + AuthorizationStatusType, + ClearCacheStatusType, + RegistrationStatusType, + ReportBaseType, + TransactionEventType, +) +from websockets import ConnectionClosed # Setting up the logging configuration to display debug level messages. logging.basicConfig(level=logging.DEBUG) +ChargePoints = set() + + +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): - # Message handlers to receive OCPP 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") + logging.info("Received %s", Action.BootNotification) # Create and return a BootNotification response with the current time, - # an interval of 10 seconds, and an accepted status. - return call_result.BootNotification( + # an interval of 60 seconds, and an accepted status. + return ocpp.v201.call_result.BootNotification( current_time=datetime.now(timezone.utc).isoformat(), - interval=10, - status=RegistrationStatusType.accepted + interval=60, + status=RegistrationStatusType.accepted, + ) + + @on(Action.Heartbeat) + async def on_heartbeat(self, **kwargs): + logging.info("Received %s", Action.Heartbeat) + return ocpp.v201.call_result.Heartbeat( + current_time=datetime.now(timezone.utc).isoformat() + ) + + @on(Action.StatusNotification) + async def on_status_notification( + self, timestamp, evse_id: int, connector_id: int, connector_status, **kwargs + ): + logging.info("Received %s", Action.StatusNotification) + return ocpp.v201.call_result.StatusNotification() + + @on(Action.Authorize) + async def on_authorize(self, id_token, **kwargs): + logging.info("Received %s", Action.Authorize) + return ocpp.v201.call_result.Authorize( + id_token_info={"status": AuthorizationStatusType.accepted} + ) + + @on(Action.TransactionEvent) + async def on_transaction_event( + self, + event_type: TransactionEventType, + timestamp, + trigger_reason, + seq_no: int, + transaction_info, + **kwargs, + ): + match event_type: + case TransactionEventType.started: + logging.info("Received %s Started", Action.TransactionEvent) + return ocpp.v201.call_result.TransactionEvent( + id_token_info={"status": AuthorizationStatusType.accepted} + ) + case TransactionEventType.updated: + logging.info("Received %s Updated", Action.TransactionEvent) + return ocpp.v201.call_result.TransactionEvent(total_cost=10) + case TransactionEventType.ended: + logging.info("Received %s Ended", Action.TransactionEvent) + return ocpp.v201.call_result.TransactionEvent() + + @on(Action.MeterValues) + async def on_meter_values(self, evse_id: int, meter_value, **kwargs): + logging.info("Received %s", Action.MeterValues) + return ocpp.v201.call_result.MeterValues() + + @on(Action.GetBaseReport) + async def on_get_base_report( + self, request_id: int, report_base: ReportBaseType, **kwargs + ): + logging.info("Received %s", Action.GetBaseReport) + return ocpp.v201.call_result.GetBaseReport( + id_token_info={"status": ReportBaseType.accepted} ) # 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("%s successful", Action.ClearCache) + else: + logging.info("%s failed", Action.ClearCache) + + async def send_get_base_report(self): + request = ocpp.v201.call.GetBaseReport( + reportBase=ReportBaseType.ConfigurationInventory + ) + response = await self.call(request) + + if response.status == ReportBaseType.accepted: + logging.info("%s successful", Action.GetBaseReport) + else: + logging.info("%s filed", Action.GetBaseReport) + + + +# Function to send OCPP command +async def send_ocpp_command(cp, command_name, delay=None, period=None): + try: + match command_name: + case Action.ClearCache: + logging.info("%s Send:", Action.ClearCache) + await cp.send_clear_cache() + case Action.GetBaseReport: + logging.info("%s Send:", Action.GetBaseReport) + await cp.send_get_base_report() + except Exception: + logging.exception(f"Not supported or Failure while processing command {command_name}") + + if delay: + await asyncio.sleep(delay) + + if period: + my_timer = RepeatTimer(period, asyncio.create_task, [cp.send_ocpp_command(command_name)]) + my_timer.start() # 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 + """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'] + requested_protocols = websocket.request_headers["Sec-WebSocket-Protocol"] except KeyError: logging.info("Client hasn't requested any Subprotocol. Closing Connection") return await websocket.close() @@ -43,34 +162,57 @@ async def on_connect(websocket, path): if websocket.subprotocol: logging.info("Protocols Matched: %s", websocket.subprotocol) else: - logging.warning('Protocols Mismatched | Expected Subprotocols: %s,' - ' but client supports %s | Closing connection', - websocket.available_subprotocols, - requested_protocols) + logging.warning( + "Protocols Mismatched | Expected Subprotocols: %s," + " but client supports %s | Closing connection", + websocket.available_subprotocols, + requested_protocols, + ) return await websocket.close() - charge_point_id = path.strip('/') + charge_point_id = path.strip("/") cp = ChargePoint(charge_point_id, websocket) - # Start the ChargePoint instance to listen for incoming messages. - await cp.start() + ChargePoints.add(cp) + try: + await cp.start() + except ConnectionClosed: + logging.info("ChargePoint %s closed connection", cp.id) + ChargePoints.remove(cp) + logging.debug("Connected ChargePoint(s): %d", len(ChargePoints)) # Main function to start the WebSocket server. async def main(): + # Define argument parser + parser = argparse.ArgumentParser(description="OCPP2 Charge Point Simulator") + parser.add_argument("--command", type=str, help="OCPP2 Command Name") + parser.add_argument("--delay", type=int, help="Delay in seconds") + parser.add_argument("--period", type=int, help="Period in seconds") + + # Create the WebSocket server and specify the handler for new connections. server = await websockets.serve( on_connect, - '127.0.0.1', # Listen on loopback. + "127.0.0.1", # Listen on loopback. 9000, # Port number. - subprotocols=Sequence['ocpp2.0', 'ocpp2.0.1'] # Specify OCPP 2.0.1 subprotocols. + subprotocols=["ocpp2.0", "ocpp2.0.1"], # Specify OCPP 2.0.1 subprotocols. ) logging.info("WebSocket Server Started") + + args = parser.parse_args() + + if args.command: + for cp in ChargePoints: + asyncio.create_task( + send_ocpp_command(cp, args.command, args.delay, args.period) + ) + # Wait for the server to close (runs indefinitely). await server.wait_closed() # Entry point of the script. -if __name__ == '__main__': +if __name__ == "__main__": # Run the main function to start the server. asyncio.run(main())