def on_e_connect(client, userdata, flag, rc):
if rc == 0:
Log.i('on_e_connect', 'Edge broker connected ...')
client.subscribe(topic_off_rep, 2)
else:
Log.e('on_e_connect', 'Connection refused with rc ({}).'.format(rc))
Log.e('on_e_connect', 'Stop connecting edge broker ...')
client.loop_stop()
def on_e_connect(client, userdata, flags, rc):
if rc == 0:
Log.i('on_e_connect', 'Edge broker connected ...')
client.subscribe(topic_off_req, 2)
else:
Log.e('on_e_connect', 'Connection refused with rc ({}).'.format(rc))
Log.e('on_e_connect', 'Shutting down edge')
exit()
def on_connect(client, userdata, flags, rc):
if rc == 0:
Log.i('on_connect', 'Mediator broker connected ...')
client.subscribe([(topic_reg_req, 2),(topic_sch_req, 2)])
else:
Log.e('on_connect', 'Connection refused with rc ({}).'.format(rc))
Log.e('on_connect', 'Shutting down mediator')
client.loop_stop()
exit()
def start_mediator():
global client, clientId
global username, password
global broker, port, loop
Log.v('start_mediator', 'Starting mediator ...')
# Connect to mediator broker
Log.v('start_mediator', 'Connecting mediator broker ...')
client = mqtt.Client(clientId)
client.username_pw_set(username, password)
client.on_connect = on_connect
client.on_message = on_message
client.on_subscribe = on_subscribe
client.connect(broker, port)
client.loop_start()
loop = True
try:
while loop:
pass
except KeyboardInterrupt:
Log.i('start_mediator', 'Mediator stopped with Ctrl + C ...')
exit()