74 lines
2.5 KiB
Python
74 lines
2.5 KiB
Python
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import paho_mqtt3a as mqttv3, time, random
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import contextlib
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print dir(mqttv3)
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hostname = "localhost"
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clientid = "myclientid"
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topic = "test2_topic"
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def deliveryComplete(context, msgid):
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print "deliveryComplete", msgid
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def connectionLost(context, cause):
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print "connectionLost"
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print "rc from reconnect is", mqttv3.connect(self.client)
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def messageArrived(context, topicName, message):
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print "messageArrived", message
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#print "clientid", context
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#print "topicName", topicName
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return 1
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def onSuccess(context, successData):
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print "onSuccess for", context["clientid"], context["state"], successData
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responseOptions = {"context": context, "onSuccess": onSuccess, "onFailure" : onFailure}
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#responseOptions = {"context": context}
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if context["state"] == "connecting":
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context["state"] = "subscribing"
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print "rc from subscribe is", mqttv3.subscribe(client, topic, 2, responseOptions)
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elif context["state"] == "subscribing":
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context["state"] = "publishing qos 0"
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print "rc from publish is", mqttv3.send(client, topic, "a QoS 0 message", 0, 0, responseOptions)
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elif context["state"] == "publishing qos 0":
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context["state"] = "publishing qos 1"
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print "rc from publish is", mqttv3.send(client, topic, "a QoS 1 message", 1, 0, responseOptions)
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elif context["state"] == "publishing qos 1":
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context["state"] = "publishing qos 2"
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print "rc from publish is", mqttv3.send(client, topic, "a QoS 2 message", 2, 0, responseOptions)
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elif context["state"] == "publishing qos 2":
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context["state"] = "finished"
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print "leaving onSuccess"
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def onFailure(context, failureData):
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print "onFailure for", context["clientid"]
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context["state"] = "finished"
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noclients = 1
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myclientid = None
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clients = []
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for i in range(noclients):
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myclientid = clientid+str(i)
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rc, client = mqttv3.create("tcp://"+hostname+":1883", myclientid)
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#print "client is", hex(client)
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print "rc from create is", rc
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print "rc from setcallbacks is", mqttv3.setcallbacks(client, client, connectionLost, messageArrived, deliveryComplete)
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context = {"client" : client, "clientid" : clientid, "state" : "connecting"}
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print "rc from connect is", mqttv3.connect(client, {"context": context, "onSuccess": onSuccess, "onFailure": onFailure})
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clients.append(context)
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while [x for x in clients if x["state"] != "finished"]:
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print [x for x in clients if x["state"] != "finished"]
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time.sleep(1)
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for client in clients:
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if mqttv3.isConnected(client["client"]):
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print "rc from disconnect is", mqttv3.disconnect(client["client"], 1000)
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time.sleep(1)
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mqttv3.destroy(client["client"])
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print "after destroy"
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