uci-socket/examples/server.js

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)
})