+
+# Define a ChargePoint class inheriting from the OCPP 2.0.1 ChargePoint class.
+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 %s", Action.BootNotification)
+ # Create and return a BootNotification response with the current time,
+ # an interval of 60 seconds, and an accepted status.
+ return ocpp.v201.call_result.BootNotification(
+ current_time=datetime.now(timezone.utc).isoformat(),
+ 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(status="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):
+ logging.info("Executing send_get_base_report...")
+ request = ocpp.v201.call.GetBaseReport(
+ reportBase=ReportBaseType.ConfigurationInventory
+ ) # Use correct ReportBaseType
+ try:
+ response = await self.call(request)
+ logging.info("Send GetBaseReport")
+
+ if (
+ response.status == "Accepted"
+ ): # Adjust depending on the structure of your response
+ logging.info("Send GetBaseReport successful")
+ else:
+ logging.info("Send GetBaseReport failed")
+ except Exception as e:
+ logging.error(f"Send GetBaseReport failed: {str(e)}")
+ logging.info("send_get_base_report done.")
+
+
+# Define argument parser
+parser = argparse.ArgumentParser(description="OCPP Charge Point Simulator")
+parser.add_argument("--request", type=str, help="OCPP 2 Command Name")
+parser.add_argument("--delay", type=int, help="Delay in seconds")
+parser.add_argument("--period", type=int, help="Period in seconds")
+
+args = parser.parse_args()
+
+
+# Function to send OCPP command
+async def send_ocpp_command(cp, command_name, delay=None, period=None):
+ # If delay is not None, sleep for delay seconds
+ if delay:
+ await asyncio.sleep(delay)
+
+ # If period is not None, send command repeatedly with period interval
+ if period:
+ async def send_command_repeatedly():
+ while True:
+ command_name = await charge_point.receive_command()
+ try:
+ match command_name:
+ case 'ClearCache':
+ logging.info("ClearCache parser working")
+ await charge_point.send_clear_cache()
+ case 'GetBaseReport':
+ logging.info("GetBaseReport parser working")
+ await charge_point.send_get_base_report()
+ case _:
+ logging.warning(f"Unsupported command {command_name}")
+ except Exception as e:
+ logging.exception(f"Failure while processing command {command_name}")
+ finally:
+ await asyncio.sleep(period)
+
+ timer = RepeatTimer(period, send_command_repeatedly)
+ await timer.start()
+ await timer.wait_closed() # Wait for timer to finish before exiting
+
+ else:
+ if command_name == "GetBaseReport":
+ await cp.send_get_base_report()