uci-websocket/examples/server.js

import Socket from '../src'

const ANONYMOUS = true
const PORT = 8090

function packetProcess (packet) {

  const cmd = {
    ack: function(packet){
      return new Promise( async (resolve) => {
        packet.ack = true
        packet.sender= packet.sender || (packet._header ? packet._header.sender.name : 'unknown')
        packet.msg=`this is acknlowdgement that ${packet.sender} ack was received`
        this.push(packet)  // push to all active socket servers
        return resolve(packet) // this goes back to sender
      })
    },
    switch:{
      status: function(packet){
        return new Promise( async (resolve) => {
          packet.cmd='switch/status'
          packet.state=this.switches[packet.id-1]
          packet.sender= packet.sender || (packet._header ? packet._header.sender.name : 'unknown')
          this.push(packet)  // push to all active socket servers
          let res = { response:'status pushed on to all clients'}
          return resolve(res) // this goes back to sender
        })
      },
      on: function(packet){
        return new Promise( async (resolve) => {
          packet.cmd='switch/status'
          packet.state='on'
          this.switches[packet.id-1] = 'on'
          packet.sender= packet.sender || (packet._header ? packet._header.sender.name : 'unknown')
          this.push(packet)  // push to all active socket servers
          let res = { response:'status change - pushed on to all clients', id:packet.id}
          return resolve(res) // this goes back to sender
        })
      },
      off: function(packet){
        return new Promise( async (resolve) => {
          packet.cmd='switch/status'
          packet.state='off'
          this.switches[packet.id-1] = 'off'
          packet.sender= packet.sender || (packet._header ? packet._header.sender.name : 'unknown')
          this.push(packet)  // push to all active socket servers
          let res = { response:'status change - pushed off to all clients'}
          return resolve(res)  // this goes back to sender
        })
      },
      toggle: function(packet){
        return new Promise( async (resolve) => {
          this.switches[packet.id-1] = this.switches[packet.id-1]==='on' ? 'off' : 'on'
          packet.state = this.switches[packet.id-1]
          packet.cmd ='switch/status'
          packet.sender= packet.sender || (packet._header ? packet._header.sender.name : 'unknown')
          this.push(packet)  // push to all active socket servers
          let res = { response:`status change - pushed toggled state of ${packet.state} to all clients`}
          return resolve(res) // this goes back to sender
        })
      }
    }
  }
  // console.log('this in packet processor',packet.cmd)
  let cmdProps = packet.cmd.split('/')
  let func = cmd[cmdProps[0]]
  // console.log(func)
  if (cmdProps[1]) func = func[cmdProps[1]]
  // console.log(func)
  if (typeof func === 'function')  return func.call(this,packet)
  else {
    packet.error='no function for command'
    return packet
  }
}


// let test = new Test()
let test = new Socket({ port: PORT, allowAnonymous:ANONYMOUS })
test.switches = ['off','off','off','off']  // database to hold switch states
test.registerPacketProcessor(packetProcess)
;(async () => {
  console.log(await test.create())
})().catch(err => {
  console.error('FATAL: UNABLE TO START SYSTEM!\n', err)
})