+import argparse
import asyncio
import logging
from datetime import datetime, timezone
from threading import Timer
-import argparse
import ocpp.v201
import websockets
AuthorizationStatusType,
ClearCacheStatusType,
RegistrationStatusType,
- TransactionEventType,
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
# 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 60 seconds, and an accepted status.
return ocpp.v201.call_result.BootNotification(
@on(Action.Heartbeat)
async def on_heartbeat(self, **kwargs):
- logging.info("Received Heartbeat")
+ logging.info("Received %s", Action.Heartbeat)
return ocpp.v201.call_result.Heartbeat(
current_time=datetime.now(timezone.utc).isoformat()
)
async def on_status_notification(
self, timestamp, evse_id: int, connector_id: int, connector_status, **kwargs
):
- logging.info("Received StatusNotification")
+ 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 Authorize")
+ logging.info("Received %s", Action.Authorize)
return ocpp.v201.call_result.Authorize(
id_token_info={"status": AuthorizationStatusType.accepted}
)
):
match event_type:
case TransactionEventType.started:
- logging.info("Received TransactionEvent 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 TransactionEvent Updated")
+ logging.info("Received %s Updated", Action.TransactionEvent)
return ocpp.v201.call_result.TransactionEvent(total_cost=10)
case TransactionEventType.ended:
- logging.info("Received TransactionEvent 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 MeterValues")
+ 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 GetBaseReport")
+ logging.info("Received %s", Action.GetBaseReport)
return ocpp.v201.call_result.GetBaseReport(status="Accepted")
# Request handlers to emit OCPP messages.
response = await self.call(request)
if response.status == ClearCacheStatusType.accepted:
- logging.info("Cache clearing successful")
+ logging.info("%s successful", Action.ClearCache)
else:
- logging.info("Cache clearing failed")
+ 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
+ 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
+ if (
+ response.status == "Accepted"
+ ): # Adjust depending on the structure of your response
logging.info("Send GetBaseReport successful")
else:
logging.info("Send GetBaseReport failed")
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')
+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 period is not None, send command repeatedly with period interval
if period:
- while True:
- if command_name == 'GetBaseReport':
- logging.info("GetBaseReport parser working")
- await cp.send_get_base_report()
+ 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 Action.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
- await asyncio.sleep(period)
else:
- if command_name == 'GetBaseReport':
+ if command_name == "GetBaseReport":
await cp.send_get_base_report()
charge_point_id = path.strip("/")
cp = ChargePoint(charge_point_id, websocket)
- # Check if request argument is specified
- if args.request:
- asyncio.create_task(send_ocpp_command(cp, args.request, args.delay, args.period))
+ 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))
- # Start the ChargePoint instance to listen for incoming messages.
- 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.
)
logging.info("WebSocket Server Started")
- # Create a ChargePoint instance
- # websocket = await websockets.connect('ws://localhost:9000')
- # cp = ChargePoint('test', websocket)
-
- # Call send_ocpp_command function
- # asyncio.create_task(send_ocpp_command(cp, args.request, args.delay, args.period))
-
# Wait for the server to close (runs indefinitely).
await server.wait_closed()
repositories / e-mobility-charging-stations-simulator.git / blobdiff