app.py

from flask import Flask, jsonify
from flask_socketio import SocketIO, send, emit

app = Flask(__name__)
socketio = SocketIO(app)

# Store the latest sensor data
sensor_data = {}

@app.route('/')
def index():
    return "WebSocket Server is running."

@socketio.on('connect')
def handle_connect():
    print('Client connected')

@socketio.on('disconnect')
def handle_disconnect():
    print('Client disconnected')

@socketio.on('message')
def handle_message(data):
    global sensor_data
    print('Received message:', data)
    sensor_data = data
    emit('response', {'message': 'Data received'})

@app.route('/data')
def get_data():
    global sensor_data
    return jsonify(sensor_data)
if __name__ == '__main__':
    app.run(host='0.0.0.0', port=int(os.environ.get('PORT', 7860)))