fixed initial timeout on connect rejection.

add in new option conPacket for pushing a packet to any connecting consumer from a socket/server
This commit is contained in:
David Kebler 2018-07-31 09:45:32 -07:00
parent 01c4756e26
commit 6a8c2b1fca
6 changed files with 38 additions and 15 deletions

View file

@ -2,3 +2,7 @@ tests/
test/
*.test.js
testing/
examples/
yarn.lock
travis.yml
.eslintrc.js

View file

@ -7,8 +7,17 @@ const client= new Consumer({path:true, name:'example-consumer'})
// This is your client handler object waiting on a message to do something
const process = async function (packet) {
// return new Promise((resolve) => {
// console.log('====== packet pushed from server ======')
// console.dir(packet)
// // setTimeout(resolve('done'),100)
// resolve('done')
// })
console.log('====== packet pushed from server ======')
console.dir(packet)
// setTimeout(resolve('done'),100)
return Promise.resolve('done')
}
client.registerPacketProcessor(process)
@ -16,7 +25,7 @@ client.registerPacketProcessor(process)
;
(async () => {
client.connect()
console.log(await client.connect())
})().catch(err => {

View file

@ -30,9 +30,12 @@ import { Socket } from '../src'
}
// let test = new Test()
let test = new Test({path:true})
let test = new Test({path:true, conPacket:{onconnect:'this is a packet sent to consumer as soon as it connects'}})
await test.create()
setInterval( () => { test.push({name:'pushed', status:'some pushed data'}) },10000)
let count = 0
setInterval( () => {
count++
test.push({name:'pushed', count:count, status:'some pushed data'}) },10000)
})().catch(err => {
console.error('FATAL: UNABLE TO START SYSTEM!\n',err)

View file

@ -1,6 +1,6 @@
{
"name": "@uci/socket",
"version": "0.1.6",
"version": "0.1.9",
"description": "JSON packet intra(named)/inter(TCP) host communication over socket",
"main": "src",
"scripts": {

View file

@ -28,8 +28,8 @@ export default class Consumer extends Socket {
this.opts=opts
this.keepAlive = 'keepAlive' in opts ? opts.keepAlive : true
this._ready = false
this.timeout = opts.timeout || 500
this.wait = opts.wait || 5
this.timeout = opts.timeout || 30
this.wait = opts.wait || 1
this.stream = new JsonStream()
// bind to class for other class functions
this.connect = this.connect.bind(this)
@ -47,10 +47,13 @@ export default class Consumer extends Socket {
super.connect(this.opts)
}
let reconnect = {}
const timeout = setTimeout(() =>{
reject({opts:this.opts},`unable to connect in ${this.timeout*10}ms`)
clearTimeout(reconnect)
log.fatal({opts:this.opts},`unable to connect in ${this.timeout}s`)
reject({opts:this.opts},`unable to connect to socket server in ${this.timeout}secs`)
}
,this.timeout*10)
,this.timeout*1000)
this.once('connect', async () => {
clearTimeout(timeout)
@ -71,7 +74,8 @@ export default class Consumer extends Socket {
return resolve('ready')
}
setTimeout( () =>{ connect() },this.wait*100)
reconnect = setTimeout( () =>{ connect()
},this.wait*1000 )
})
@ -105,14 +109,12 @@ export default class Consumer extends Socket {
}
let [err, res] = await btc(this.stream.serialize)(packet)
if (err) resolve({error:'unable to serialize packet for sending', packet:packet})
log.info(await this.__write(res))
// console.log('listerner set', packet._header.id, packet._header.sender.instanceID)
await this.__write(res)
this.once(packet._header.id,async function(reply){
// console.log('reply emitted',reply)
let res = await this._packetProcess(reply)
if (!res) { // if process was not promise returning like just logged to console
res = reply
log.warn('consumer function was not promise returning further processing may be out of sequence')
// log.warn('consumer function was not promise returning further processing may be out of sequence')
}
resolve(res)
}) //end listener
@ -131,7 +133,7 @@ export default class Consumer extends Socket {
async __write(packet) {
// timeout already set if sockect can't be drained in 10 secs
return new Promise(resolve => {
const cb = () => resolve('=====>packet written to consumer side socket stream ')
const cb = () => resolve('packet written to consumer side socket stream ')
if (!super.write(packet)) {
this.once('drain',cb )
} else {
@ -150,7 +152,7 @@ export default class Consumer extends Socket {
// TODO do some extra security here?
let res = await this._packetProcess(packet)
if (!res) { // if process was not promise returning like just logged to console
log.warn('consumer function was not promise returning')
// log.warn('consumer function was not promise returning')
}
})
// listen on socket stream

View file

@ -97,6 +97,11 @@ export default class Socket extends Server {
// TODO add 'close' listener to socket to remove from this.clients
log.info('new consumer connecting')
log.info(await send(await stream.serialize({'_handshake':true})))
if (this.opts.conPacket) {
this.opts.conPacket._header = { id:'pushed'}
log.info({conPacket:this.opts.conPacket},'pushing a preset command to just connected consumer')
send(await stream.serialize(this.opts.conPacket)) // send a packet command on to consumer on connection
}
socket.on('data', stream.onData)
// TODO need to start error listener for stream so errors can be processed
stream.on('message', messageProcess.bind(this,socket))