feature: listenerNoGui logs the chargers MAC and GPS coords to http

addressManager.py

@@ -27,6 +27,8 @@ class addressManager():
         self.pevIp=""
         self.SeccIp=""
         self.SeccTcpPort = 15118 # just a default. Will be overwritten during SDP if we are pev.
+        self.evseMacIsUpdated = False
+        self.evseMac = [0, 0, 0, 0, 0, 0]
         pass
         
     def findLinkLocalIpv6Address(self):
@@ -157,8 +159,16 @@ class addressManager():
     def setEvseMac(self, evseMac):
         # During the SLAC, the MAC of the EVSE was found out. Store it, maybe we need it later.
         self.evseMac = evseMac
+        self.evseMacIsUpdated = True
         print("[addressManager] evse has MAC " + prettyMac(self.evseMac))
 
+    def getEvseMacAsStringAndClearUpdateFlag(self):
+        self.evseMacIsUpdated = False
+        return prettyMac(self.evseMac)
+
+    def isEvseMacNew(self):
+        return self.evseMacIsUpdated
+
     def setPevIp(self, pevIp):
         # During SDP, the IPv6 of the PEV was found out. Store it, maybe we need it later.
         if (type(pevIp)==type(bytearray([0]))):

doc/pyPlc.ini.template

@@ -145,3 +145,6 @@ soc_callback_enabled = False
 soc_callback_endpoint = http://1.1.1.1
 # Fallback value to use if the vehicle does not support the EVEnergyCapacity.Value
 soc_fallback_energy_capacity = 2700
+
+# The URL where to send some logging data.
+logging_url = http://enteryourhosthere.org/pyPlcLogging/addLog.php

listenerNoGui.py

@@ -0,0 +1,93 @@
+#!/usr/bin/python3
+# The non-GUI variant of the listener
+
+# Functionality:
+#  - gets the GPS location from a GPS daemon (gpsd on linux)
+#  - gets the chargers MAC address from the address manager
+#  - sends the location and the chargers MAC to a server via http request
+
+import time
+import pyPlcWorker
+from pyPlcModes import *
+import sys # for argv
+from configmodule import getConfigValue, getConfigValueBool
+import urllib.request
+import gps               # the gpsd interface module
+
+startTime_ms = round(time.time()*1000)
+GPSsession = gps.gps(mode=gps.WATCH_ENABLE)
+strGpsPos = "no_pos"
+strLoggingUrl = getConfigValue("logging_url")
+
+def cbAddToTrace(s):
+    currentTime_ms = round(time.time()*1000)
+    dT_ms = currentTime_ms - startTime_ms
+    print("[" + str(dT_ms) + "ms] " + s)
+
+def cbShowStatus(s, selection=""):
+    pass
+
+def trySomeHttp():
+    print("***************trying some http********************")
+    strChargerMac = "chargerMac=na"
+    if (worker.addressManager.isEvseMacNew()):
+        strChargerMac = "chargerMac=" + worker.addressManager.getEvseMacAsStringAndClearUpdateFlag().replace(":", "")
+    strParams = strChargerMac
+    strParams = strParams + "&loops="+str(nMainloops)+"&pos="+strGpsPos
+    try:
+        contents = urllib.request.urlopen(strLoggingUrl + "?" + strParams).read()
+    except Exception as err:
+        contents = "(no contents received) " + str(err)
+    print(contents)
+
+def GpsMainfunction():
+    global strGpsPos
+    GPSsession.read()
+    if (gps.MODE_SET & GPSsession.valid):
+        print('Mode: %s(%d) Time: ' %
+              (("Invalid", "NO_FIX", "2D", "3D")[GPSsession.fix.mode],
+               GPSsession.fix.mode), end="")
+        # print time, if we have it
+        if gps.TIME_SET & GPSsession.valid:
+            print(GPSsession.fix.time, end="")
+        else:
+            print('n/a', end="")
+
+        if ((gps.isfinite(GPSsession.fix.latitude) and
+             gps.isfinite(GPSsession.fix.longitude))):
+            print(" Lat %.6f Lon %.6f" %
+                  (GPSsession.fix.latitude, GPSsession.fix.longitude))
+            strGpsPos = str(GPSsession.fix.latitude)+"_"+str(GPSsession.fix.longitude)
+        else:
+            print(" Lat n/a Lon n/a")
+            strGpsPos = str(0.0)+"_"+str(0.0)
+            print(strGpsPos)
+    
+myMode = C_LISTEN_MODE
+
+
+isSimulationMode=0
+if (len(sys.argv) > 1):
+    if (sys.argv[1] == "S"):
+        isSimulationMode=1
+
+print("starting in LISTEN_MODE")
+print("press Ctrl-C to exit")
+
+worker=pyPlcWorker.pyPlcWorker(cbAddToTrace, cbShowStatus, myMode, isSimulationMode)
+
+nMainloops=0
+httpTime_ms = round(time.time()*1000)
+intervalForHttpLogging_ms = 15000 # each 15s send the logging data to the server
+
+while (1):
+    time.sleep(.03) # 'do some calculation'
+    nMainloops+=1
+    currentTime_ms = round(time.time()*1000)
+    if ((currentTime_ms-httpTime_ms)>intervalForHttpLogging_ms) or (worker.addressManager.isEvseMacNew()):
+        trySomeHttp()
+        httpTime_ms = currentTime_ms
+    worker.mainfunction()
+    GpsMainfunction()
+        
+#---------------------------------------------------------------

pyPlcHomeplug.py

@@ -711,6 +711,10 @@ class pyPlcHomeplug():
                 self.pevSequenceDelayCycles = 4 # original Ioniq is waiting 200ms
                 self.enterState(STATE_SLAC_PARAM_CNF_RECEIVED) # enter next state. Will be handled in the cyclic runPevSequencer
         if ((self.iAmListener==1) or (self.iAmPev==1)):
+            # Take the MAC of the charger from the frame, and store it for later use.
+            for i in range(0, 6):
+                self.evseMac[i] = self.myreceivebuffer[6+i] # source MAC starts at offset 6
+            self.addressManager.setEvseMac(self.evseMac)
             if getConfigValueBool("log_the_evse_mac_to_file"):
                 # Write the MAC address of the charger to a log file
                 self.addToTrace("SECC MAC is " + self.getSourceMacAddressAsString())
@@ -752,10 +756,6 @@ class pyPlcHomeplug():
             if (self.pevSequenceState==STATE_WAIT_FOR_ATTEN_CHAR_IND): # we were waiting for the AttenCharInd
                 # todo: Handle the case when we receive multiple responses from different chargers.
                 #       Wait a certain time, and compare the attenuation profiles. Decide for the nearest charger.
-                # Take the MAC of the charger from the frame, and store it for later use.
-                for i in range(0, 6):
-                    self.evseMac[i] = self.myreceivebuffer[6+i] # source MAC starts at offset 6
-                self.addressManager.setEvseMac(self.evseMac)
                 self.AttenCharIndNumberOfSounds = self.myreceivebuffer[69]
                 self.addToTrace("[PEVSLAC] number of sounds reported by the EVSE (should be 10): " + str(self.AttenCharIndNumberOfSounds)) 
                 self.composeAttenCharRsp()

starter.sh

@@ -69,7 +69,8 @@ ip addr >> "$logfile"
 pwd >> "$logfile"
 
 # call the pyPlc python script
-PYTHONUNBUFFERED=1 /usr/bin/python3 pevNoGui.py | tee -a "$logfile"
+#PYTHONUNBUFFERED=1 /usr/bin/python3 pevNoGui.py | tee -a "$logfile"
+PYTHONUNBUFFERED=1 /usr/bin/python3 listenerNoGui.py | tee -a "$logfile"
 pwd >> "$logfile"
 date >> "$logfile"