1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
require('dotenv').config()
const express = require('express')
const app = express()
const http = require('http')
const socket_io = require('socket.io')
const path = require('path')
app.use(express.static('public', { extensions: ['html'] }))
function serve_index(req, res) { res.sendFile(path.join(__dirname, '../../public', 'index.html')) }
app.get('/dashboard/', serve_index)
app.get('/system/', serve_index)
app.get('/checkpoints/', serve_index)
app.get('/datasets/', serve_index)
app.get('/live/', serve_index)
app.get('/', serve_index)
// 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
let relay_connected = false
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')
relay_connected = true
client.emit('system_res', { type: '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('system_res', data => {
console.log('System responded', data.cmd)
client.emit('system_res', data)
})
socket.on('frame', (data) => {
client.volatile.emit('frame', data)
})
socket.on('disconnect', () => {
console.log('Relay disconnected')
relay_connected = false
client.emit('system_res', { type: 'relay_disconnected' })
})
}
function bind_client(socket){
console.log('Client connected')
if (relay_connected) {
socket.emit('system_res', { type: 'relay_connected' })
relay.emit('system', { cmd: 'get_status' })
} else {
socket.emit('system_res', { type: 'relay_disconnected' })
}
socket.on('cmd', data => {
console.log('Client sent command', data)
relay.emit('cmd', data)
})
socket.on('system', data => {
console.log('Client sent system command', data)
relay.emit('system', data)
})
socket.on('disconnect', () => {
console.log('Client disconnected')
})
}
|
