huidige versie

mqtthandler.py

@@ -0,0 +1,82 @@
+
+import paho.mqtt.client as mqtt
+import logging
+import time
+import controller
+from mqtttopic import *
+
+logger = logging.getLogger('main')
+
+
+
+
+
+class handler:
+
+
+    def __init__(self, controller: controller.chargeman_controller):
+        self.client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION1)
+        self.publisher =  mqtt.Client(mqtt.CallbackAPIVersion.VERSION1)
+
+        self.client.on_connect = self.on_connect
+        self.client.on_message = self.on_message
+        self.controller = controller
+
+
+        self.variables = {}
+   
+        while True:
+
+            try:
+                self.client.connect(broker,port, 60)
+                self.client.loop_start()
+                break
+            except:
+                logger.info("Unable to connect to mqtt") 
+            time.sleep(5)
+
+
+
+    def subscribing(self):
+        pass
+        #while True:
+        #    rc = self.client.loop(timeout=0.1)
+         #   if rc != 0:
+        #        if not self.client.is_connected:
+        #            logger.warning("MQTT subscriber connection disconnected. Reconnecting...") 
+        #            self.client.reconnect()
+
+
+
+
+    # The callback for when the client receives a CONNACK response from the server.
+    def on_connect(self,client, userdata, flags, rc):
+        logger.info("Connected  mqtt handler to mqtt with result code "+str(rc))
+
+        # Subscribing in on_connect() means that if we lose the connection and
+        # reconnect then subscriptions will be renewed.
+        client.subscribe(topic_chargemode)
+        client.subscribe(topic_p1_consumption)
+        client.subscribe(topic_p1_return)
+
+
+
+
+    # The callback for when a PUBLISH message is received from the server.
+    def on_message(self,client, userdata, msg):
+   
+        logger.debug(msg.topic+" "+str(msg.payload))
+
+
+        if msg.topic == topic_chargemode:
+            self.controller.set_chargemode_int(int(msg.payload))
+        elif msg.topic == topic_p1_consumption:
+ 
+            self.controller.set_net_consumption( int(msg.payload))
+            
+
+        elif msg.topic == topic_p1_return:
+  
+            self.controller.set_net_delivery( int(msg.payload))
+ 
+