78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
const https = require('https')
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const path = require('path')
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const fs = require('fs')
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const uuid = require('uuid')
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const _ = require('lodash/fp')
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const { PerformanceObserver, performance } = require('perf_hooks')
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const utils = require('./utils')
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const variables = require('./utils/variables')
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function getCert (machineIndex) {
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try {
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return {
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key: fs.readFileSync(path.resolve(__dirname, 'machines', `${machineIndex}`, 'client.key')),
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cert: fs.readFileSync(path.resolve(__dirname, 'machines', `${machineIndex}`, 'client.pem'))
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}
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} catch (e) {
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return null
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}
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}
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function connectionInfo (machineIndex) {
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try {
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return JSON.parse(fs.readFileSync(path.resolve(__dirname, 'machines', `${machineIndex}`, 'connection_info.json')))
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} catch (e) {
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return null
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}
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}
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let counter = 0
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const requestTimes = []
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let latestResponseTime = 0
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function request (machineIndex, pid) {
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performance.mark('A')
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https.get({
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hostname: 'localhost',
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port: 3000,
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path: '/poll?state=chooseCoin&model=unknown&version=7.5.0-beta.0&idle=true&pid=' + pid + '&sn=' + counter,
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method: 'GET',
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key: getCert(machineIndex).key,
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cert: getCert(machineIndex).cert,
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ca: connectionInfo(machineIndex).ca,
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headers: {
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date: new Date().toISOString(),
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'request-id': uuid.v4()
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}
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}, res => {
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res.on('data', (d) => {
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performance.mark('B')
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performance.measure('A to B', 'A', 'B')
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console.log(`Machine ${machineIndex} || Avg request response time: ${_.mean(requestTimes).toFixed(3)} || Latest response time: ${latestResponseTime.toFixed(3)}`)
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process.send({ message: Buffer.from(d).toString() })
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})
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})
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counter++
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}
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const obs = new PerformanceObserver((items) => {
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latestResponseTime = items.getEntries()[0].duration
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requestTimes.push(latestResponseTime)
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performance.clearMarks()
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})
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obs.observe({ entryTypes: ['measure'] })
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process.on('message', async (msg) => {
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console.log('Message from parent:', msg)
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if (msg.hasVariance) await new Promise(resolve => setTimeout(resolve, utils.randomIntFromInterval(1, variables.POLLING_INTERVAL)))
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const pid = uuid.v4()
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request(msg.machineIndex, pid)
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setInterval(() => {
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const pid = uuid.v4()
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request(msg.machineIndex, pid)
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}, 5000)
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})
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