import argparse
import asyncio
-from functools import partial
import logging
from datetime import datetime, timezone
+from functools import partial
from threading import Timer
import ocpp.v201
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(
- id_token_info={"status": ReportBaseType.accepted}
- )
+ id_token_info={"status": ReportBaseType.accepted}
+ )
# Request handlers to emit OCPP messages.
async def send_clear_cache(self):
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))
-
- except Exception as e:
- logging.error("Unexpected error occurred: %s", str(e))
+ )
+ response = await self.call(request)
- logging.info("send_get_base_report done.")
+ if response.status == ReportBaseType.accepted:
+ logging.info("%s successful", Action.GetBaseReport)
+ else:
+ logging.info("%s filed", Action.GetBaseReport)
# 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
+ try:
+ match command_name:
+ case Action.ClearCache:
+ logging.info("%s Send:", Action.ClearCache)
+ await cp.send_clear_cache()
+ case Action.GetBaseReport:
+ logging.info("%s Send:", Action.GetBaseReport)
+ await cp.send_get_base_report()
+ except Exception:
+ logging.exception(f"Not supported or Failure while processing command {command_name}")
+
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 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()
+ my_timer = RepeatTimer(period, asyncio.create_task, [cp.send_ocpp_command(command_name)])
+ my_timer.start()
# 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)
logging.debug("Connected ChargePoint(s): %d", len(ChargePoints))
-
# 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:
+ 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