55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
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"""
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created by caliskan at 19.04.2023
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This file contains the main script for the backend server of smart garden project
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It has the task to be a bridge between the frontend and robot.
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It also contains a database with the current plant data
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Used protocol for interaction: mqtt (paho-mqtt module)
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"""
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# imports
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import paho.mqtt.client as mqtt
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from defines import MQTT_BROKER_LOCAL, MQTT_BROKER_GLOBAL
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from plantdatabase import PlantDataBase
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def on_message(client, userdata, message):
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print(f'message received! {message.topic}')
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def on_connect(client, userdata, flags, rc):
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if rc == 0:
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print("connected")
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# TOPIC SUBSCRIPTIONS
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client.subscribe("planttest")
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# Robot topics
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client.subscribe("Robot/Data/SensorData")
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client.subscribe("Robot/Data/Position")
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client.subscribe("Robot/Data/Battery")
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client.subscribe("Robot/Data/Picture")
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# FrontEnd topics
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client.subscribe("BackEnd/Data/SensorData")
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client.subscribe("BackEnd/Data/SensorDataAll")
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client.subscribe("BackEnd/Data/Position")
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client.subscribe("BackEnd/Data/Battery")
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client.subscribe("BackEnd/Data/Picture")
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# END TOPIC SUBSCRIPTIONS
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else:
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print("connection failed")
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def main():
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mydatabase = PlantDataBase()
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mydatabase.create_table()
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client = mqtt.Client()
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client.on_connect = on_connect
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client.on_message = on_message
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client.connect(MQTT_BROKER_GLOBAL)
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client.loop_forever()
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if __name__ == "__main__":
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main()
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