PiXelTubes/server/app.py

169 lines
6.5 KiB
Python

from flask import Flask, request, jsonify
import json
from MySQLdb import connect
import paho.mqtt.client as mqtt
import python_artnet as Artnet
import os
from getmac import get_mac_address
import time
import sys
from multiprocessing import Process
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 = connect(
host=config['mysql']['host'],
user=config['mysql']['user'],
password=config['mysql']['password'],
database=config['mysql']['database'],
)
db.autocommit(True)
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()
# Check if the tube exsist. If it doesn't create a new db row
if not existing_tube:
cur.execute("INSERT INTO tubes (mac_address, universe, dmx_address) VALUES (%s, %s, %s)",
(mac_address, 0, 1))
else:
pass
cur.close()
# Registration system route
@app.route('/register_tube', methods=['POST'])
def register_tube_route():
mac_address = request.form.get('mac_address')
register_tube(str(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 update_tube_index():
while True:
cur = db.cursor()
cur.execute("SELECT mac_address, universe, dmx_address FROM tubes")
global result
result = cur.fetchall()
cur.close()
time.sleep(10)
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)
cur = db.cursor()
cur.execute("SELECT mac_address, universe, dmx_address FROM tubes")
global result
result = cur.fetchall()
cur.close()
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
# Create MQTT topic based on the universe and channel
if result is not None:
for row in result:
dmx_address = int(row[2])
if artNetPacket.universe == int(row[1]):
#Define RGB values per pixel
p1_r, p1_g, p1_b, p2_r, p2_g, p2_b, p3_r, p3_g, p3_b, p4_r, p4_g, p4_b, p5_r, p5_g, p5_b, p6_r, p6_g, p6_b = dmxPacket[dmx_address], dmxPacket[dmx_address+1], dmxPacket[dmx_address+2], dmxPacket[dmx_address+3], dmxPacket[dmx_address+4], dmxPacket[dmx_address+5], dmxPacket[dmx_address+6], dmxPacket[dmx_address+7], dmxPacket[dmx_address+8], dmxPacket[dmx_address+9], dmxPacket[dmx_address+10], dmxPacket[dmx_address+11], dmxPacket[dmx_address+12], dmxPacket[dmx_address+13], dmxPacket[dmx_address+14], dmxPacket[dmx_address+15], dmxPacket[dmx_address+16], dmxPacket[dmx_address+17]
# Pixel topics
p1_topic, p2_topic, p3_topic, p4_topic, p5_topic, p6_topic = "tube-"+str(row[0])+"/p1", "tube-"+str(row[0])+"/p2", "tube-"+str(row[0])+"/p3", "tube-"+str(row[0])+"/p4", "tube-"+str(row[0])+"/p5", "tube-"+str(row[0])+"/p6"
# Publish pixel topic
mqtt_client.publish(p1_topic, str([p1_r, p1_g, p1_b]))
mqtt_client.publish(p2_topic, str([p2_r, p2_g, p2_b]))
mqtt_client.publish(p3_topic, str([p3_r, p3_g, p3_b]))
mqtt_client.publish(p4_topic, str([p4_r, p4_g, p4_b]))
mqtt_client.publish(p5_topic, str([p5_r, p5_g, p5_b]))
mqtt_client.publish(p6_topic, str([p6_r, p6_g, p6_b]))
except KeyboardInterrupt:
artNet.close()
sys.exit()
if __name__ == "__main__":
tube_index_updater_thread = Process(target=update_tube_index)
tube_index_updater_thread.start()
flask_thread = Process(target=flask_api)
flask_thread.start()
publisher_thread = Process(target=start_mqtt_publishers)
publisher_thread.start()