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PiXelTubes
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testing out manager with sharing a dict for tube index 

Signed-off-by: Ebbe Baß <ebbe.bass>
main
Ebbe Baß 2024-02-18 01:55:28 +01:00
parent 0ec07b5727
commit f1f9000705
1 changed files with 9 additions and 8 deletions
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17
server/app.py
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@ -7,7 +7,7 @@ import os
from getmac import get_mac_address from getmac import get_mac_address
import time import time
import sys import sys
from multiprocessing import Process, Value from multiprocessing import Process, Manager
app = Flask(__name__) app = Flask(__name__)
@ -108,13 +108,13 @@ def connect_mqtt():
client.connect("localhost", 1883) client.connect("localhost", 1883)
return client return client
def mqtt_publisher(shared_mem): def mqtt_publisher(shared_dict):
# Create and start a thread for each universe # Create and start a thread for each universe
mqtt_client = connect_mqtt() mqtt_client = connect_mqtt()
artnetBindIp = get_eth0_ip() artnetBindIp = get_eth0_ip()
artNet = Artnet.Artnet(BINDIP = artnetBindIp, DEBUG = True, SHORTNAME = "PiXelTubeMaster", LONGNAME = "PiXelTubeMaster", PORT = 6454) artNet = Artnet.Artnet(BINDIP = artnetBindIp, DEBUG = True, SHORTNAME = "PiXelTubeMaster", LONGNAME = "PiXelTubeMaster", PORT = 6454)
while True: while True:
tube_index = shared_mem.value tube_index = shared_dict["tube_index"]
# print(tube_index) # print(tube_index)
try: try:
# Gets whatever the last Art-Net packet we received is # Gets whatever the last Art-Net packet we received is
@ -140,25 +140,26 @@ def mqtt_publisher(shared_mem):
artNet.close() artNet.close()
sys.exit() sys.exit()
def tube_index_updater(shared_mem): def tube_index_updater(shared_dict):
while True: while True:
try: try:
cur = db.cursor() cur = db.cursor()
cur.execute("SELECT mac_address, universe, dmx_address FROM tubes") cur.execute("SELECT mac_address, universe, dmx_address FROM tubes")
tube_index = cur.fetchall() tube_index = cur.fetchall()
cur.close() cur.close()
shared_mem.value = tube_index shared_dict["tube_index"] = tube_index
print("Updated tube index with values: "+str(tube_index)) print("Updated tube index with values: "+str(tube_index))
except Exception as e: except Exception as e:
print(e) print(e)
time.sleep(5) time.sleep(5)
if __name__ == "__main__": if __name__ == "__main__":
tube_index_smem = Value(str, "placeholder") shared_dict = Manager.dict()
ti_updater_thread = Process(target=tube_index_updater, args=(tube_index_smem)) shared_dict["tube_index"] = None
ti_updater_thread = Process(target=tube_index_updater, args=(shared_dict))
ti_updater_thread.start() ti_updater_thread.start()
time.sleep(1) time.sleep(1)
publisher_thread = Process(target=mqtt_publisher, args=(tube_index_smem)) publisher_thread = Process(target=mqtt_publisher, args=(shared_dict))
publisher_thread.start() publisher_thread.start()
flask_thread = Process(target=flask_api) flask_thread = Process(target=flask_api)
flask_thread.start() flask_thread.start()