/
watcher.py
executable file
·58 lines (51 loc) · 1.9 KB
/
watcher.py
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#!/usr/bin/env python3
import sys
import paho.mqtt.client as mqtt
from datetime import datetime
import time
from subprocess import call
lastseen = datetime.now()
#call(["ls", "-l"])
# The callback for when the client receives a CONNACK response from the server.
def on_connect(client, userdata, flags, rc):
print("Connected with result code "+str(rc))
# Subscribing in on_connect() means that if we lose the connection and
# reconnect then subscriptions will be renewed.
client.subscribe("ble/+/advertisement/json")
# The callback for when a PUBLISH message is received from the server.
def on_message(client, userdata, msg):
global lastseen
lastseen = datetime.now()
print(msg.topic)
if msg.topic == 'ble/scanning/error' and msg.payload.decode('utf-8') == 'Unexpected response (stat)':
#print(msg.topic+" "+msg.payload.decode('utf-8'))
print("Oops2")
#call(["hciconfig", "hci0", "down"])
#time.sleep(1)
#call(["rmmod", "btusb"])
#time.sleep(5)
#call(["modprobe", "btusb"])
#time.sleep(1)
#call(["hciconfig", "hci0", "up"])
client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message
client.connect("localhost", 1883, 60)
# Blocking call that processes network traffic, dispatches callbacks and
# handles reconnecting.
# Other loop*() functions are available that give a threaded interface and a
# manual interface.
client.loop_start()
while True:
print("Watching {}".format(datetime.now() - lastseen))
time.sleep(5)
if (datetime.now() - lastseen).total_seconds() > 300:
print("Oops {}".format(datetime.now() - lastseen))
call(["hciconfig", "hci0", "down"])
time.sleep(1)
call(["rmmod", "btusb"])
time.sleep(5)
call(["modprobe", "btusb"])
time.sleep(1)
call(["hciconfig", "hci0", "up"])
lastseen = datetime.now()