PiXelTubes/server/app.py

148 lines
5.0 KiB
Python

from flask import Flask, render_template, request, jsonify
import json
import MySQLdb
import paho.mqtt.client as mqtt
import threading
import python_artnet as Artnet
import os
from getmac import get_mac_address
import time
import sys
app = Flask(__name__)
wlan_mac_address = str(get_mac_address(interface="wlan0"))
# Read configuration from config.json
try:
with open('config.json', 'r') as config_file:
config = json.load(config_file)
except FileNotFoundError:
# Create config.json with default values if it doesn't exist
config = {
"mysql": {
"host": "localhost",
"user": "pxm",
"password": "pixel",
"database": "pixeltube_db"
},
}
with open('config.json', 'w') as config_file:
json.dump(config, config_file, indent=4)
database = config['mysql']['database']
db = MySQLdb.connect(
host=config['mysql']['host'],
user=config['mysql']['user'],
password=config['mysql']['password'],
database=config['mysql']['database'],
)
mqtt_client_id = "PiXelTubeMaster-"+wlan_mac_address
# Function to register a tube in the database
def register_tube(mac_address):
cur = db.cursor()
# Check if the tube already exists in the database
cur.execute("SELECT * FROM tubes WHERE mac_address = %s", (mac_address,))
existing_tube = cur.fetchone()
if existing_tube:
# Tube already exists, do nothing for now
pass
else:
# Tube is new, insert into the database
cur.execute("INSERT INTO tubes (mac_address, universe, dmx_address, lamp_power) VALUES (%s, %s, %s, %s)",
(mac_address, 0, 1, 0)) # Universe 0, DMX Address 1, Lamp Power Off (False)
cur.close()
# Registration system route
@app.route('/register_tube', methods=['POST'])
def register_tube_route():
mac_address = request.form.get('mac_address')
register_tube(mac_address)
return jsonify({'success': True, 'message': 'Tube registered successfully.'})
@app.route('/get_assigned_params/<tube_unique_id>', methods=['GET'])
def get_assigned_params(tube_unique_id):
try:
cur = db.cursor()
cur.execute("SELECT universe, dmx_address FROM tubes WHERE mac_address = %s", (tube_unique_id,))
result = cur.fetchone()
cur.close()
if result:
universe, dmx_address = result
return jsonify({'success': True, 'universe': universe, 'dmx_address': dmx_address})
else:
return jsonify({'success': False, 'message': 'Tube not found in the database'})
except Exception as e:
return jsonify({'success': False, 'message': f'Error: {e}'})
def flask_api():
app.run(host='192.168.0.1', port=5000)
def get_eth0_ip():
try:
# Get the IP address of the eth0 interface
eth0_ip = str(os.system("ip -4 -o addr show eth0 | awk '{print $4}' | cut -d '/' -f 1 "))
return eth0_ip
except (KeyError, IndexError, OSError) as e:
print(f"Error getting eth0 IP: {e}")
exit
def on_connect(client, userdata, flags, reason_code, properties):
if reason_code == 0:
print("Connected to MQTT Broker!")
else:
print("Failed to connect, return code %d\n", str(reason_code))
def connect_mqtt():
# Set Connecting Client ID
client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2)
# client.username_pw_set(username, password)
client.on_connect = on_connect
client.connect("localhost", 1883)
return client
def start_mqtt_publishers():
# Create and start a thread for each universe
mqtt_client = connect_mqtt()
artnetBindIp = get_eth0_ip()
artNet = Artnet.Artnet(BINDIP = artnetBindIp, DEBUG = True, SHORTNAME = "PiXelTubeMaster", LONGNAME = "PiXelTubeMaster", PORT = 6454)
try:
while True:
try:
# Gets whatever the last Art-Net packet we received is
artNetPacket = artNet.readPacket()
# Make sure we actually *have* a packet
if artNetPacket is not None:
#Checks to see if the current packet is for the specified DMX Universe
dmxPacket = artNetPacket.data
for i in range(artNetPacket.length):
try:
# Create MQTT topic based on the universe and channel
topic = f"{str(artNetPacket.universe)}/{str(i)}"
# Publish the DMX value to the MQTT topic
mqtt_client.publish(topic, str(dmxPacket[i-1]))
except KeyboardInterrupt:
break
except Exception as e:
print(e)
except KeyboardInterrupt:
artNet.close()
sys.exit()
except Exception as e:
print(e)
if __name__ == "__main__":
start_mqtt_publishers()
flask_thread = threading.Thread(target=flask_api())
flask_thread.start()
flask_thread.join()