uci-socket/examples/server.js

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import { Socket as uSocket} from '../src'
// made key cert into module that also uses environment variables
// const TLS = process.env.TLS || false
// const TLS_DIR = process.env.TLS_DIR || '/opt/certs'
// const TLS_NAME = process.env.TLD_NAME || 'wc.kebler.net'
// const TLS_KEY_PATH = process.env.TLS_KEY_PATH || `${TLS_DIR}/${TLS_NAME}.key`
// const TLS_CRT_PATH = process.env.TLS_CRT_PATH || `${TLS_DIR}/${TLS_NAME}.crt`
let Socket = uSocket
class Test extends Socket {
constructor(opts) {
super(opts)
}
async doit(packet) {
return new Promise(resolve => {
let res = {}
console.log('command doit sent with data = ', packet.data)
res.status ='success'
res.cmd = 'reply'
res.data = 'this would be response data from socket doit function'
resolve(res)
})
}
}
// const options = {
// tls: TLS,
// key: await fs.readFile(TLS_KEY_PATH),
// cert: await fs.readFile(TLS_CRT_PATH),
// // This is necessary only if using client certificate authentication.
// // requestCert: true,
// // This is necessary only if the client uses a self-signed certificate.
// // ca: [ fs.readFileSync('client-cert.pem') ]
// }
// const PATH = '/opt/bogus/socket'
const PATH = true
// options.conPacket = {cmd:'onconnect', data:'this is a packet data sent consumer after handshake/authentification'}
const TOKENS = ['cheetos']
let test = new Test({path:PATH, tokens:TOKENS})
async function processor (packet) {
// console.log('packet being processed at socket', packet)
if (packet.cmd) {
if (this[packet.cmd]) return await this[packet.cmd](packet)
else {
console.log('no processing function for command', packet.cmd)
return {error: 'command has no processing function', packet: packet }
}
}
console.log('no command in packet', packet)
return {error: 'no command in packet', packet: packet }
}
test.registerPacketProcessor(processor)
;
(async () => {
// TODO dynamic import
// if(TLS_KEY_PATH && TLS_CRT_PATH && TLS) {
// Socket = sSocket
// console.log('using TLS')
// }
// test.addTokens('cheetos')
await test.create()
let count = 0
const push = setInterval( () => {
count++
test.push({cmd:'pushed', count:count, status:`some pushed data ${count}`})
if (count >3) {
clearInterval(push)
test.push({cmd:'pushed',status:'now will simulate server going offline by stopping to send ping for 10 seconds'})
test.disablePing()
setTimeout( () => {
test.enablePing()
},10000)
}
},3000)
})().catch(err => {
console.error('FATAL: UNABLE TO START SYSTEM!\n',err)
})