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require('dotenv').config()
const express = require('express')
const app = express()
const http = require('http')
const socket_io = require('socket.io')
app.use(express.static('public', { extensions: ['html'] }))
// app.get('/images', site.images)
// app.post('/print', bodyParser.urlencoded({ extended: false }), site.print)
// app.use('/upload', require('./upload'))
let server = http.createServer(app)
server.listen(process.env.EXPRESS_PORT, () => {
console.log('Cortex remote listening on http://localhost:' + process.env.EXPRESS_PORT)
})
const io = socket_io(server)
let relay, client
client = io.of('/client')
client.on('connect', bind_client)
if (process.env.EXPRESS_CONNECTS_TO_RELAY === 'true') {
console.log('Connecting to relay on ' + process.env.RELAY_REMOTE)
relay = require('socket.io-client').connect(process.env.RELAY_REMOTE)
bind_relay(relay)
} else {
relay = io.of('/relay')
relay.on('connect', bind_relay)
}
function bind_relay(socket) {
console.log('Relay connected')
socket.on('res', data => {
console.log('Received response', data.cmd)
client.emit('res', data)
})
socket.on('status', data => {
console.log('Received status', data.key)
client.emit('status', data)
})
socket.on('frame', (data) => {
client.volatile.emit('frame', data)
})
socket.on('disconnect', () => {
console.log('Relay disconnected')
})
}
function bind_client(socket){
console.log('Client connected')
socket.on('cmd', data => {
console.log('Client sent command', data)
relay.emit('cmd', data)
})
socket.on('disconnect', () => {
console.log('Client disconnected')
})
}
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