+import argparse
import asyncio
import logging
from datetime import datetime, timezone
AuthorizationStatusType,
ClearCacheStatusType,
RegistrationStatusType,
+ ReportBaseType,
TransactionEventType,
)
from websockets import ConnectionClosed
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()
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 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
+
+ else:
+ if command_name == "GetBaseReport":
+ await cp.send_get_base_report()
+
# Function to handle new WebSocket connections.
async def on_connect(websocket, path):
charge_point_id = path.strip("/")
cp = ChargePoint(charge_point_id, websocket)
+
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 charge points: %d", len(ChargePoints))
+ logging.debug("Connected ChargePoint(s): %d", len(ChargePoints))
# Main function to start the WebSocket server.
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()