parent
3beb53d2a3
commit
40d9565bf3
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@ -7,18 +7,16 @@ import JsonStream from './json-stream'
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export default class Consumer extends Socket {
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constructor (path={}, opts={}) {
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super()
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// set or tcp socket
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this.id = opts.id || opts.name || 'consumer:'+ Math.random()*100
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if (typeof(path)!=='string') {
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opts = path
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if (!path.host || !path.port) opts = path
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this.host = path.host || '127.0.0.1' // TODO log a warning about host on same machine
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this.port = path.port || 8080
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} else this.path = path
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this.packet = {
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_process: async (packet) => {
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console.log('default processor -- packet from socket')
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console.dir(packet)
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return packet }
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if (arguments.length === 2) {
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opts.host = path.host || opts.host
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opts.port = path.port || opts.port
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} else opts=path
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this.host = opts.host || '127.0.0.1' // TODO log a warning about host on same machine
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this.port = opts.port || 8080
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} else {
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this.path = path
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}
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this.keepAlive = opts.keepAlive ? opts.keepAlive : true
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this._ready = false
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@ -26,14 +24,15 @@ export default class Consumer extends Socket {
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this.wait = opts.wait || 5
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this.stream = new JsonStream()
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this.packet = {
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_process: (packet) => {
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packet.res='echoed'
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return packet }
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_process: async (packet) => {
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console.log('default consumer processor -- packet from socket')
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console.dir(packet)
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}
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}
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// logging
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this.log_file=opts.log_file || './socket.log'
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this.log_opts = {streams:[]}
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this.log_opts.name = opts.name ? opts.name : 'uci-socket-consumer'
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this.log_opts.name = this.id
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// this.log_opts.streams.push({level: 'info',path: this.log_file })
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if (opts.log) this.log_opts.streams.push({level: 'info',stream: process.stdout})
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this.log = bunyan.createLogger(this.log_opts)
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@ -52,18 +51,20 @@ export default class Consumer extends Socket {
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return new Promise( (resolve,reject) => {
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const connect = () => {
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if (this.host ==='127.0.0.1') this.log.warn('tcp consumer on same machine as host, use named Pipe(Unix) Socket Instead')
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this.log.info(`attempting to connect ${this.id} to ${this.path?this.path:this.host+':'+this.port}`)
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super.connect({ port:this.port, host:this.host, path: this.path })
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}
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const timeout = setTimeout(() =>{
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reject(`unable to connect in ${this.timeout*10}ms`)
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reject(`unable to connect in ${this.timeout*10}ms to ${this.path?this.path:this.host+':'+this.port}`)
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}
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,this.timeout*10)
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this.once('connect', async () => {
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clearTimeout(timeout)
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this.listen()
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this.log.info({path:this.path},'connected waiting for socket ready handshake')
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this._listen()
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this.log.info({path:this.path, host:this.host, post:this.port },`connected ${this.path?this.path:this.host+':'+this.port} waiting for socket ready handshake`)
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this.setKeepAlive(this.keepAlive)
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let [err, res] = await btc(isReady).bind(this)(this.ready, this.wait, this.timeout)
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if (err) reject(err)
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@ -79,7 +80,7 @@ export default class Consumer extends Socket {
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}
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this.log.warn(err.code)
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setTimeout(() =>{
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this.log.warn('retry connect')
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this.log.warn(`retrying connect to ${this.path?this.path:this.host+':'+this.port}`)
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connect()
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}
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,this.wait*10)
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@ -91,8 +92,7 @@ export default class Consumer extends Socket {
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}
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async listen () {
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async _listen () {
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this.log.info('listening for incoming packets from socket')
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this.on('data', this.stream.onData)
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this.stream.on('message', messageProcess.bind(this))
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@ -7,11 +7,15 @@ import bunyan from 'bunyan'
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import JsonStream from './json-stream'
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export default class Socket extends Server {
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constructor (path={},opts={}) {
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constructor (path,opts={}) {
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super()
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this.id = opts.id || opts.name || 'socket:'+ Math.random()*100
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if (typeof(path)!=='string') {
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if (!path.host || !path.port) opts = path
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this.listen_opts = { host: path.host || '0.0.0.0', port: path.port || 8080}
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if (arguments.length === 2) {
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opts.host = path.host || opts.host
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opts.port = path.port || opts.port
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} else opts=path
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this.listen_opts = { host: opts.host || '0.0.0.0', port: opts.port || 8080}
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} else this.listen_opts = { path: path }
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this.packet = { // default packet processing - simple echo server
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_process: (packet) => {
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@ -21,12 +25,12 @@ export default class Socket extends Server {
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// Change to environment based configuration for logger
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this.log_file=opts.log_file || './socket.log'
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this.log_opts = {streams:[]}
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this.log_opts.name = opts.name ? opts.name : 'uci-socket'
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this.log_opts.name = this.id
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// if (opts.log===1)// this.log_opts.streams.push({level: 'info',path: this.log_file })
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if (opts.log) this.log_opts.streams.push({level: 'info',stream: process.stdout})
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this.log = bunyan.createLogger(this.log_opts)
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//self binding
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this.listen = this.listen.bind(this)
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this._listen = this._listen.bind(this)
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this.create = this.create.bind(this)
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} // end constructor
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@ -37,12 +41,12 @@ export default class Socket extends Server {
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ON_DEATH( async () => {
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this.log.info('\nhe\'s dead jim')
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await this.destroy()
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await this._destroy()
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})
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process.once('SIGUSR2', async () => {
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await this.destroy
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await this._destroy
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process.kill(process.pid, 'SIGUSR2')
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})
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@ -53,7 +57,7 @@ export default class Socket extends Server {
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if (path) { // if TCP socket should already be dead
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this.log.info({socket: path}, 'already exists...deleting')
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await fileDelete(path)
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return await this.listen(this.listen_opts)
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return await this._listen(this.listen_opts)
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}
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}
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// otherwise fatally exit
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@ -61,23 +65,23 @@ export default class Socket extends Server {
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reject(err)
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})
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let [err, res] = await btc(this.listen)(this.listen_opts)
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let [err, res] = await btc(this._listen)(this.listen_opts)
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if (err) reject(err)
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resolve(res)
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}) // end promise
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} // end create
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async listen (opts) {
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async _listen (opts) {
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super.listen(opts, async (err, res) => {
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if (err) return err
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// this gets called for each client connection and is unique to each
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this.on('connection', (socket) => {
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const stream = new JsonStream()
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this.log.info('new consumer connecting sending handshake')
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socket.write(stream.serialize({ready:true}))
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@ -90,15 +94,13 @@ export default class Socket extends Server {
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}
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}) // end connected consumer
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this.log.info({socket: this.listen_opts},'socket created')
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return res
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}) // end listen callback
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}
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async destroy () {
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async _destroy () {
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this.log.info('closing down socket')
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await this.close()
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this.log.info('all connections closed....exiting')
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@ -87,7 +87,7 @@ describe('Connects and Processes a payload via Unix Socket using JSON packet wit
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}
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}
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consumer2.processPacket = function (packet) {
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consumer2.packet._process = function (packet) {
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return packet
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}
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