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mqtt_client.py

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+import paho.mqtt.client as mqtt
+import pymysql
+import json
+from config import Config
+
+def get_db():
+    return pymysql.connect(
+        host=Config.MYSQL_HOST,
+        user=Config.MYSQL_USER,
+        password=Config.MYSQL_PASSWORD,
+        database=Config.MYSQL_DB,
+        cursorclass=pymysql.cursors.DictCursor
+    )
+
+def on_connect(client, userdata, flags, rc):
+    print(f"Connecté au broker MQTT avec le code : {rc}")
+    client.subscribe(Config.MQTT_TOPIC_CLIMATE)
+    client.subscribe(Config.MQTT_TOPIC_SECURITY)
+
+def on_message(client, userdata, msg):
+    topic = msg.topic
+    payload = json.loads(msg.payload.decode())
+    db = get_db()
+    cursor = db.cursor()
+
+    try:
+        if topic == Config.MQTT_TOPIC_CLIMATE:
+            cursor.execute(
+                "INSERT INTO climate_data (temperature, humidity, pressure, luminosity) VALUES (%s, %s, %s, %s)",
+                (payload.get('temperature'), payload.get('humidity'), payload.get('pressure'), payload.get('luminosity'))
+            )
+            print(f"Donnée climatique insérée : {payload}")
+
+        elif topic == Config.MQTT_TOPIC_SECURITY:
+            cursor.execute(
+                "INSERT INTO security_events (event_type, location) VALUES (%s, %s)",
+                (payload.get('event_type'), payload.get('location'))
+            )
+            print(f"Événement sécurité inséré : {payload}")
+
+        db.commit()
+    except Exception as e:
+        print(f"Erreur lors de l'insertion : {e}")
+    finally:
+        db.close()
+
+def start_mqtt():
+    client = mqtt.Client()
+    client.on_connect = on_connect
+    client.on_message = on_message
+    client.connect(Config.MQTT_BROKER, Config.MQTT_PORT, 60)
+    client.loop_forever()
+
+if __name__ == '__main__':
+    start_mqtt()