import asyncio
import logging
from datetime import datetime, timezone
-from functools import partial
from threading import Timer
import ocpp.v201
Action,
AuthorizationStatusType,
ClearCacheStatusType,
+ GenericDeviceModelStatusType,
RegistrationStatusType,
ReportBaseType,
TransactionEventType,
):
logging.info("Received %s", Action.GetBaseReport)
return ocpp.v201.call_result.GetBaseReport(
- id_token_info={"status": ReportBaseType.accepted}
+ status=GenericDeviceModelStatusType.accepted
)
# Request handlers to emit OCPP messages.
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 %s", Action.GetBaseReport)
-
- if response.status == ReportBaseType.accepted:
- logging.info("%s successful", Action.GetBaseReport)
- else:
- logging.info("%s failed", Action.GetBaseReport)
-
- except ConnectionClosed as e:
- logging.error("Connection closed: %s", str(e))
+ request_id=1, report_base=ReportBaseType.full_inventory
+ )
+ response = await self.call(request)
- except Exception as e:
- logging.error("Unexpected error occurred: %s", str(e))
+ if response.status == GenericDeviceModelStatusType.accepted:
+ logging.info("%s successful", Action.GetBaseReport)
+ else:
+ logging.info("%s failed", Action.GetBaseReport)
- logging.info("send_get_base_report done.")
+ 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}")
# 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 cp.receive_command()
- try:
- match command_name:
- case Action.ClearCache:
- logging.info("ClearCache parser working")
- await cp.send_clear_cache()
- case Action.GetBaseReport:
- logging.info("GetBaseReport parser working")
- await cp.send_get_base_report()
- case _:
- logging.warning(f"Unsupported command {command_name}")
- except Exception:
- 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()
+ try:
+ if delay:
+ await asyncio.sleep(delay)
+ cp.send_command(command_name)
+ if period:
+ command_timer = RepeatTimer(
+ period,
+ cp.send_command,
+ [command_name],
+ )
+ command_timer.start()
+ except ConnectionClosed:
+ logging.info("ChargePoint %s closed connection", cp.id)
+ ChargePoints.remove(cp)
+ logging.debug("Connected ChargePoint(s): %d", len(ChargePoints))
# Function to handle new WebSocket connections.
-async def on_connect(websocket, path, args):
+async def on_connect(websocket, path):
"""For every new charge point that connects, create a ChargePoint instance and start
listening for messages."""
try:
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)
# Main function to start the WebSocket server.
async def main():
# Define argument parser
- parser = argparse.ArgumentParser(description="OCPP Charge Point Simulator")
- parser.add_argument("--request", type=str, help="OCPP 2 Command Name")
+ 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")
- args = parser.parse_args()
-
- on_connect_bound = partial(on_connect, args=args) # Add args to on_connect
-
# Create the WebSocket server and specify the handler for new connections.
server = await websockets.serve(
- on_connect_bound,
+ on_connect,
"127.0.0.1", # Listen on loopback.
9000, # Port number.
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:
+ await 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()
repositories / e-mobility-charging-stations-simulator.git / blobdiff