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mqtt-backend/node_modules/aedes/benchmarks/bombing.js

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+#! /usr/bin/env node
+
+const mqtt = require('mqtt')
+const client = mqtt.connect({ port: 1883, host: 'localhost', clean: true, keepalive: 0 })
+const interval = 5000
+
+let sent = 0
+
+function count () {
+  console.log('sent/s', sent / interval * 1000)
+  sent = 0
+}
+
+setInterval(count, interval)
+
+function immediatePublish () {
+  setImmediate(publish)
+}
+
+function publish () {
+  sent++
+  client.publish('test', 'payload', immediatePublish)
+}
+
+client.on('connect', publish)
+
+client.on('offline', function () {
+  console.log('offline')
+})
+
+client.on('error', function () {
+  console.log('reconnect!')
+  client.stream.end()
+})

mqtt-backend/node_modules/aedes/benchmarks/bombingQoS1.js

@@ -0,0 +1,36 @@
+#! /usr/bin/env node
+
+const mqtt = require('mqtt')
+const client = mqtt.connect({ port: 1883, host: 'localhost', clean: true, keepalive: 0 })
+const interval = 5000
+
+let sent = 0
+
+function count () {
+  console.log('sent/s', sent / interval * 1000)
+  sent = 0
+}
+
+setInterval(count, interval)
+
+function publish () {
+  sent++
+  client.publish('test', 'payload', { qos: 1 }, publish)
+}
+
+client.setMaxListeners(100)
+
+client.on('connect', function () {
+  for (let i = 0; i < 50; i++) {
+    publish()
+  }
+})
+
+client.on('offline', function () {
+  console.log('offline')
+})
+
+client.on('error', function () {
+  console.log('reconnect!')
+  client.stream.end()
+})

mqtt-backend/node_modules/aedes/benchmarks/pingpong.js

@@ -0,0 +1,53 @@
+#! /usr/bin/env node
+
+const mqtt = require('mqtt')
+const convertHrtime = require('convert-hrtime')
+const mode = require('compute-mode')
+const client = mqtt.connect({ port: 1883, host: 'localhost', clean: true, keepalive: 0 })
+const interval = 5000
+
+let sent = 0
+const latencies = []
+
+function count () {
+  console.log('sent/s', sent / interval * 1000)
+  sent = 0
+}
+
+setInterval(count, interval)
+
+function publish () {
+  sent++
+  client.publish('test', JSON.stringify(process.hrtime()), { qos: 1 })
+}
+
+function subscribe () {
+  client.subscribe('test', { qos: 1 }, publish)
+}
+
+client.on('connect', subscribe)
+client.on('message', publish)
+client.on('message', function (topic, payload) {
+  const sentAt = JSON.parse(payload)
+  const diff = process.hrtime(sentAt)
+  latencies.push(convertHrtime(diff).ms)
+})
+
+client.on('offline', function () {
+  console.log('offline')
+})
+
+client.on('error', function () {
+  console.log('reconnect!')
+  client.stream.end()
+})
+
+process.on('SIGINT', function () {
+  const total = latencies.reduce(function (acc, num) {
+    return acc + num
+  })
+  console.log('total', total)
+  console.log('average', total / latencies.length)
+  console.log('mode', mode(latencies))
+  process.exit(0)
+})

mqtt-backend/node_modules/aedes/benchmarks/server.js

@@ -0,0 +1,25 @@
+'use strict'
+
+// To be used with cpuprofilify http://npm.im/cpuprofilify
+
+const aedes = require('../')()
+const server = require('net').createServer(aedes.handle)
+const port = 1883
+
+server.listen(port, function () {
+  console.error('server listening on port', port, 'pid', process.pid)
+})
+
+aedes.on('clientError', function (client, err) {
+  console.error('client error', client.id, err.message)
+})
+
+// Cleanly shut down process on SIGTERM to ensure that perf-<pid>.map gets flushed
+process.on('SIGINT', onSIGINT)
+
+function onSIGINT () {
+  // IMPORTANT to log on stderr, to not clutter stdout which is purely for data, i.e. dtrace stacks
+  console.error('Caught SIGTERM, shutting down.')
+  server.close()
+  process.exit(0)
+}

mqtt-backend/node_modules/aedes/benchmarks/throughputCounter.js

@@ -0,0 +1,23 @@
+#! /usr/bin/env node
+
+const mqtt = require('mqtt')
+
+const client = mqtt.connect({ port: 1883, host: 'localhost', clean: true, encoding: 'binary', keepalive: 0 })
+const interval = 5000
+
+let counter = 0
+
+function count () {
+  console.log('received/s', counter / interval * 1000)
+  counter = 0
+}
+
+setInterval(count, interval)
+
+client.on('connect', function () {
+  count()
+  this.subscribe('test')
+  this.on('message', function () {
+    counter++
+  })
+})

mqtt-backend/node_modules/aedes/benchmarks/throughputCounterQoS1.js

@@ -0,0 +1,33 @@
+#! /usr/bin/env node
+
+const mqtt = require('mqtt')
+
+const client = mqtt.connect({ port: 1883, host: 'localhost', clean: true, encoding: 'binary', keepalive: 0 })
+const interval = 5000
+
+let counter = 0
+
+function count () {
+  console.log('received/s', counter / interval * 1000)
+  counter = 0
+}
+
+setInterval(count, interval)
+
+client.on('connect', function () {
+  this.subscribe('test', { qos: 1 })
+})
+
+client.handleMessage = function (packet, done) {
+  counter++
+  done()
+}
+
+client.on('offline', function () {
+  console.log('offline')
+})
+
+client.on('error', function () {
+  console.log('reconnect!')
+  client.stream.end()
+})