fix: issue 39
[e-mobility-charging-stations-simulator.git] / tests / ocpp-server / server.py
index 53e47c0833f9a68acc22d096076cf8a989fabbdc..ea02342b9ddc5214bf2cc42b3799a6e883028f47 100644 (file)
@@ -1,8 +1,9 @@
+import argparse
 import asyncio
 import logging
 from datetime import datetime, timezone
+from functools import partial
 from threading import Timer
-import argparse
 
 import ocpp.v201
 import websockets
@@ -12,13 +13,16 @@ from ocpp.v201.enums import (
     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
@@ -34,7 +38,7 @@ class ChargePoint(ocpp.v201.ChargePoint):
     # 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(
@@ -45,7 +49,7 @@ class ChargePoint(ocpp.v201.ChargePoint):
 
     @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()
         )
@@ -54,12 +58,12 @@ class ChargePoint(ocpp.v201.ChargePoint):
     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}
         )
@@ -76,26 +80,30 @@ class ChargePoint(ocpp.v201.ChargePoint):
     ):
         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")
-        return ocpp.v201.call_result.GetBaseReport(status="Accepted")
+    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}
+        )
 
     # Request handlers to emit OCPP messages.
     async def send_clear_cache(self):
@@ -103,50 +111,42 @@ class ChargePoint(ocpp.v201.ChargePoint):
         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
-        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()
+        request = ocpp.v201.call.GetBaseReport(
+            reportBase=ReportBaseType.ConfigurationInventory
+        )
+        response = await self.call(request)
+
+        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:
-        while True:
-            if command_name == 'GetBaseReport':
-                logging.info("GetBaseReport parser working")
-                await cp.send_get_base_report()
-
-            await asyncio.sleep(period)
-    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.
@@ -173,16 +173,24 @@ async def on_connect(websocket, path):
     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))
-
-    # Start the ChargePoint instance to listen for incoming messages.
-    await cp.start()
+    ChargePoints.add(cp)
+    try:
+        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.
 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,
@@ -192,12 +200,13 @@ async def main():
     )
     logging.info("WebSocket Server Started")
 
-    # Create a ChargePoint instance
-    # websocket = await websockets.connect('ws://localhost:9000')
-    # cp = ChargePoint('test', websocket)
+    args = parser.parse_args()
 
-    # Call send_ocpp_command function
-    # asyncio.create_task(send_ocpp_command(cp, args.request, args.delay, args.period))
+    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()