24 lines
451 B
JavaScript
24 lines
451 B
JavaScript
#! /usr/bin/env node
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const mqtt = require('mqtt')
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const client = mqtt.connect({ port: 1883, host: 'localhost', clean: true, encoding: 'binary', keepalive: 0 })
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const interval = 5000
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let counter = 0
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function count () {
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console.log('received/s', counter / interval * 1000)
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counter = 0
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}
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setInterval(count, interval)
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client.on('connect', function () {
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count()
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this.subscribe('test')
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this.on('message', function () {
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counter++
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})
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})
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