50 lines
1.1 KiB
JavaScript
Executable File
50 lines
1.1 KiB
JavaScript
Executable File
'use strict'
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// Imports
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const fs = require('fs')
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const path = require('path')
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const debug = require('debug')('tracman-demo')
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module.exports = (io, filename='demo.txt') => {
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return new Promise( (resolve, reject) => {
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// File is space-seperated: delay, lat, lon, dir, spd
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fs.readFile(path.join(__dirname, filename), (err, data) => {
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if (err) {
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console.error(err.message)
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reject()
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} else {
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const lines = String(data).split('\n');
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(function sendLoc (ln) {
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if (ln > 20754) {
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sendLoc(0)
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} else {
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let loc = lines[ln].split(' ')
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//debug(`Sending demo location: ${loc[1]}, ${loc[2]}`)
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io.to('demo').emit('get', {
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tim: new Date(),
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lat: loc[1],
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lon: loc[2],
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dir: loc[3],
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spd: loc[4]
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})
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// Repeat after delay in milliseconds
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setTimeout(() => {
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sendLoc(ln + 1) // next line of file
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}, loc[0])
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}
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})(5667)
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console.log(` Demo running from ./${filename}`)
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resolve()
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}
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})
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})
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}
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