mosquitto-users team mailing list archive

[Neo Qing <neoqing@xxxxxxxxx>]

How can I check, whether did I publish a message as retained message? any
command, I did not find it at man page.


On Thu, May 9, 2013 at 4:22 PM, Neo Qing <neoqing@xxxxxxxxx> wrote:

> Hi,All:
>   I'm using mosquitto (mosquitto version 1.1.3 (build date 2013-02-22
> 19:49:18+0000)).
>   and use node.js mqtt as client, and code shows below
> var mqtt = require('mqtt');
> console.log('test is started');
> var receiveCount=0;
> var subCount=0;
> for(var i=0;i<1000;i++){
> var client=mqtt.createClient(1883, 'myip');
>  client.connect({keepalive: 1000,client:'mqttClient'+i});
> client.on('connack', function(packet) {
>  setInterval(function() {
>   client.pingreq();
> }, 1000);
>  });
> console.log('connack i:'+i);
>  client.subscribe({topic:'/hello/world/demo',qos:1});
>  client.on('suback', function(packet) {
> //console.log('subscribe success');
> console.dir(packet);
>  subCount++;
> console.log('subCount success:'+subCount);
> });
> }
> client.on('publish', function(packet) {
> //console.log('received message');
> receiveCount++;
>  console.log('received message'+receiveCount);
> console.log('received publis topic:'+packet.topic);
>  console.log('received publis message:'+packet.payload);
> console.log(new Date());
> });
>
> and I published a message with qos:1, I run the client couple times and
> publish message couple time. After some while weird thing happened, anytime
> when I run the client again, I always get the published message (topic is
> '/hello/world/demo'). Then I restarted the mosiquitto server, but nothing
> is changed, I always received the published message, even I did not publish
> anything?
> So here I need to know:
> 1. How to stop these stuff, I don't want to receive that spam message, but
> restart does not work
> 2. Why does it happen? same client id causes this?
> Thanks in advance!
>
> Neo
>
>