Action,
AuthorizationStatusType,
ClearCacheStatusType,
+ GenericDeviceModelStatusType,
RegistrationStatusType,
ReportBaseType,
TransactionEventType,
# Define a ChargePoint class inheriting from the OCPP 2.0.1 ChargePoint class.
class ChargePoint(ocpp.v201.ChargePoint):
+ _command_timer: RepeatTimer
+
# Message handlers to receive OCPP messages.
@on(Action.BootNotification)
async def on_boot_notification(self, charging_station, reason, **kwargs):
return ocpp.v201.call_result.MeterValues()
@on(Action.GetBaseReport)
- async def on_get_base_report(self, request_id: int, report_base: ReportBaseType, **kwargs):
+ 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")
+ return ocpp.v201.call_result.GetBaseReport(
+ status=GenericDeviceModelStatusType.accepted
+ )
# Request handlers to emit OCPP messages.
- async def send_clear_cache(self):
+ async def _send_clear_cache(self):
request = ocpp.v201.call.ClearCache()
response = await self.call(request)
else:
logging.info("%s failed", Action.ClearCache)
- async def send_get_base_report(self):
- logging.info("Executing send_get_base_report...")
+ async def _send_get_base_report(self):
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 Action.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
+ request_id=1, report_base=ReportBaseType.full_inventory
+ )
+ response = await self.call(request)
- else:
- if command_name == "GetBaseReport":
- await cp.send_get_base_report()
+ if response.status == GenericDeviceModelStatusType.accepted:
+ logging.info("%s successful", Action.GetBaseReport)
+ else:
+ logging.info("%s failed", Action.GetBaseReport)
+
+ async def _send_command(self, command_name: Action):
+ logging.debug("Sending OCPP command: %s", command_name)
+ match command_name:
+ case Action.ClearCache:
+ await self._send_clear_cache()
+ case Action.GetBaseReport:
+ await self._send_get_base_report()
+ case _:
+ logging.info(f"Not supported command {command_name}")
+
+ async def send_command(self, command_name: Action, delay=None, period=None):
+ if not delay and not period:
+ raise ValueError("Either delay or period must be set")
+ try:
+ if delay and delay > 0:
+ await asyncio.sleep(delay)
+ await self._send_command(command_name)
+ if period and period > 0 and not self._command_timer:
+ self._command_timer = RepeatTimer(
+ period,
+ self._send_command,
+ [command_name],
+ )
+ self._command_timer.start()
+ except ConnectionClosed:
+ self.handle_connection_closed()
+
+ def handle_connection_closed(self):
+ logging.info("ChargePoint %s closed connection", self.id)
+ if self._command_timer:
+ self._command_timer.cancel()
+ ChargePoints.remove(self)
+ logging.debug("Connected ChargePoint(s): %d", len(ChargePoints))
# Function to handle new WebSocket connections.
ChargePoints.add(cp)
try:
await cp.start()
- # Check if request argument is specified
- if args.request:
- asyncio.create_task(send_ocpp_command(cp, args.request, args.delay, args.period))
-
except ConnectionClosed:
- logging.info("ChargePoint %s closed connection", cp.id)
- ChargePoints.remove(cp)
- logging.debug("Connected ChargePoint(s): %d", len(ChargePoints))
+ cp.handle_connection_closed()
# 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,
)
logging.info("WebSocket Server Started")
+ args = parser.parse_args()
+
+ if args.command:
+ for cp in ChargePoints:
+ await asyncio.create_task(
+ cp.send_command(cp, args.command, args.delay, args.period)
+ )
+
# Wait for the server to close (runs indefinitely).
await server.wait_closed()
repositories / e-mobility-charging-stations-simulator.git / blobdiff