Fixed following issues:

1. Change to RotatingFileHandler to avoid to large log file
2. Issue reading the Temperature
3. changing to V2 API
4. request only needed attributes to reduce the communication on API
5. Reduced timeout from 5s to 1s to be more responsive when charger is not available

config.ini

@@ -3,7 +3,7 @@ AccessType = OnPremise
 SignOfLifeLog = 1
 Deviceinstance = 43
 # Go-e charger hardware version: 1 = v1, 2 = v2, 3 = v3
-HardwareVersion = 3
+HardwareVersion = 4
 
 [ONPREMISE]
-Host=192.168.178.97
+Host=192.168.178.51

dbus-goecharger.py

@@ -3,6 +3,7 @@
 # import normal packages
 import platform 
 import logging
+from logging.handlers import RotatingFileHandler
 import sys
 import os
 import sys
@@ -26,7 +27,7 @@ class DbusGoeChargerService:
     deviceinstance = int(config['DEFAULT']['Deviceinstance'])
     hardwareVersion = int(config['DEFAULT']['HardwareVersion'])
 
-    self._dbusservice = VeDbusService("{}.http_{:02d}".format(servicename, deviceinstance))
+    self._dbusservice = VeDbusService("{}.http_{:02d}".format(servicename, deviceinstance), register=False)
     self._paths = paths
     
     logging.debug("%s /DeviceInstance = %d" % (servicename, deviceinstance))
@@ -37,7 +38,7 @@ class DbusGoeChargerService:
     ]
     
     #get data from go-eCharger
-    data = self._getGoeChargerData()
+    data = self._getGoeChargerData('sse,fwv')
 
     # Create the management objects, as specified in the ccgx dbus-api document
     self._dbusservice.add_path('/Mgmt/ProcessName', __file__)
@@ -70,6 +71,9 @@ class DbusGoeChargerService:
       self._dbusservice.add_path(
         path, settings['initial'], gettextcallback=settings['textformat'], writeable=True, onchangecallback=self._handlechangedvalue)
 
+    # register the service
+    self._dbusservice.register()
+
     # last update
     self._lastUpdate = 0
     
@@ -103,7 +107,7 @@ class DbusGoeChargerService:
     accessType = config['DEFAULT']['AccessType']
     
     if accessType == 'OnPremise': 
-        URL = "http://%s/status" % (config['ONPREMISE']['Host'])
+        URL = "http://%s/api/status" % (config['ONPREMISE']['Host'])
     else:
         raise ValueError("AccessType %s is not supported" % (config['DEFAULT']['AccessType']))
     
@@ -141,10 +145,10 @@ class DbusGoeChargerService:
       return False
     
  
-  def _getGoeChargerData(self):
-    URL = self._getGoeChargerStatusUrl()
+  def _getGoeChargerData(self, filter):
+    URL = "%s?filter=%s" % (self._getGoeChargerStatusUrl(), filter)
     try:
-       request_data = requests.get(url = URL, timeout=5)
+       request_data = requests.get(url = URL, timeout=1)
     except Exception:
        return None
     
@@ -172,14 +176,14 @@ class DbusGoeChargerService:
   def _update(self):   
     try:
        #get data from go-eCharger
-       data = self._getGoeChargerData()
+       data = self._getGoeChargerData('nrg,eto,alw,amp,ama,car,tmp,tma')
        
        if data is not None:
           #send data to DBus
-          self._dbusservice['/Ac/L1/Power'] = int(data['nrg'][7] * 0.1 * 1000)
-          self._dbusservice['/Ac/L2/Power'] = int(data['nrg'][8] * 0.1 * 1000)
-          self._dbusservice['/Ac/L3/Power'] = int(data['nrg'][9] * 0.1 * 1000)
-          self._dbusservice['/Ac/Power'] = int(data['nrg'][11] * 0.01 * 1000)
+          self._dbusservice['/Ac/L1/Power'] = int(data['nrg'][7])
+          self._dbusservice['/Ac/L2/Power'] = int(data['nrg'][8])
+          self._dbusservice['/Ac/L3/Power'] = int(data['nrg'][9])
+          self._dbusservice['/Ac/Power'] = int(data['nrg'][11])
           self._dbusservice['/Ac/Voltage'] = int(data['nrg'][0])
           self._dbusservice['/Current'] = max(data['nrg'][4] * 0.1, data['nrg'][5] * 0.1, data['nrg'][6] * 0.1)
           self._dbusservice['/Ac/Energy/Forward'] = int(float(data['eto']) / 10.0)
@@ -200,12 +204,13 @@ class DbusGoeChargerService:
           
           config = self._getConfig()
           hardwareVersion = int(config['DEFAULT']['HardwareVersion'])
-          if hardwareVersion == 3:
-            self._dbusservice['/MCU/Temperature'] = int(data['tma'][0])
+          if hardwareVersion >= 3:
+            self._dbusservice['/MCU/Temperature'] = int(data['tma'][0] if data['tma'] is not None else 0)
           else:
             self._dbusservice['/MCU/Temperature'] = int(data['tmp'])
 
-          # value 'car' 1: charging station ready, no vehicle 2: vehicle loads 3: Waiting for vehicle 4: Charge finished, vehicle still connected
+          # carState, null if internal error (Unknown/Error=0, Idle=1, Charging=2, WaitCar=3, Complete=4, Error=5)
+          # status 0=Disconnected; 1=Connected; 2=Charging; 3=Charged; 4=Waiting for sun; 5=Waiting for RFID; 6=Waiting for start; 7=Low SOC; 8=Ground fault; 9=Welded contacts; 10=CP Input shorted; 11=Residual current detected; 12=Under voltage detected; 13=Overvoltage detected; 14=Overheating detected
           status = 0
           if int(data['car']) == 1:
             status = 0
@@ -259,7 +264,7 @@ def main():
                             datefmt='%Y-%m-%d %H:%M:%S',
                             level=logging.INFO,
                             handlers=[
-                                logging.FileHandler("%s/current.log" % (os.path.dirname(os.path.realpath(__file__)))),
+                                RotatingFileHandler("%s/current.log" % (os.path.dirname(os.path.realpath(__file__))), maxBytes=10000),
                                 logging.StreamHandler()
                             ])