def onSuccess(context, successData):
print "onSuccess for", context["clientid"], context["state"], successData
responseOptions = {
"context": context,
"onSuccess": onSuccess,
"onFailure": onFailure
}
if context["state"] == "connecting":
context["state"] = "subscribing"
print "rc from subscribe is", mqttv3.subscribe(client, topic, 2,
responseOptions)
elif context["state"] == "subscribing":
context["state"] = "publishing qos 0"
print "rc from publish is", mqttv3.send(client, topic,
"a QoS 0 message", 0, 0,
responseOptions)
elif context["state"] == "publishing qos 0":
context["state"] = "publishing qos 1"
print "rc from publish is", mqttv3.send(client, topic,
"a QoS 1 message", 1, 0,
responseOptions)
elif context["state"] == "publishing qos 1":
context["state"] = "publishing qos 2"
print "rc from publish is", mqttv3.send(client, topic,
"a QoS 2 message", 2, 0,
responseOptions)
elif context["state"] == "publishing qos 2":
context["state"] = "finished"
print "leaving onSuccess"
def onSuccess(context, successData):
print "onSuccess for", context["clientid"], context["state"], successData
responseOptions = {"context": context, "onSuccess": onSuccess, "onFailure" : onFailure}
if context["state"] == "connecting":
context["state"] = "subscribing"
print "rc from subscribe is", mqttv3.subscribe(client, topic, 2, responseOptions)
elif context["state"] == "subscribing":
context["state"] = "publishing qos 0"
print "rc from publish is", mqttv3.send(client, topic, "a QoS 0 message", 0, 0, responseOptions)
elif context["state"] == "publishing qos 0":
context["state"] = "publishing qos 1"
print "rc from publish is", mqttv3.send(client, topic, "a QoS 1 message", 1, 0, responseOptions)
elif context["state"] == "publishing qos 1":
context["state"] = "publishing qos 2"
print "rc from publish is", mqttv3.send(client, topic, "a QoS 2 message", 2, 0, responseOptions)
elif context["state"] == "publishing qos 2":
context["state"] = "finished"
print "leaving onSuccess"
def connectionLost(context, cause):
print "connectionLost", cause
client = context
responseOptions = {
"context": context,
"onSuccess": onSuccess,
"onFailure": onFailure
}
print "rc from publish while disconnected is", mqttv3.send(
client, topic, "message while disconnected", 2, 0, responseOptions)
def connectionLost(context, cause):
print "connectionLost", cause
client = context
responseOptions = {"context": context, "onSuccess": onSuccess, "onFailure" : onFailure}
print "rc from publish while disconnected is", mqttv3.send(client, topic, "message while disconnected", 2, 0, responseOptions)
print('mqttv3.setcallbacks(), rc = %d' % rc)
rc = mqttv3.connect(
client, {
'keepAliveInterval': int(os.getenv('MQTT_KEEP_ALIVE')),
'cleansession': 0,
'automaticReconnect': 1,
'maxRetryInterval': 10,
'context': context,
'on_success': on_success,
'on_failure': on_failure
})
print('mqttv3.connect(), rc = %d' % rc)
count = 0
while True:
payload = str(count)
print("OUT => " + payload)
rc, _ = mqttv3.send(client, os.environ['MQTT_TOPIC'], payload,
int(os.environ['MQTT_QOS']), 0, {})
print('mqttv3.send(), rc = %d' % rc)
time.sleep(1)
count += 1
rc = mqttv3.disconnect(client, 1000)
print('mqttv3.disconnect(), rc = %d' % rc)
rc = mqttv3.destroy(client)
print('mqttv3.destroy, rc = %d' % rc)