switched to _header property for packet id

added sender and responder info to header
_header can now be used for anything specifically socket related
Fixed bug where socket must create a copy of processed packet to avoid issue when coder returns the original packet just altered from the packet processor

examples/client.mjs

@@ -11,7 +11,7 @@ const process = function (packet) {
   console.log(`Packet from ${packet.name} Processed by Socket: ${packet.status}`)
 }
 
-// client1.registerPacketProcessor(process)
+client1.registerPacketProcessor(process)
 //
 // client2._packetProcess = process
 

examples/server.mjs

@@ -9,8 +9,7 @@ import { Socket } from '../src'
     }
 
     async _packetProcess(packet) {
-      console.log('packet being processed')
+      console.log('packet being processed at socket')
-      console.dir(packet)
       if (packet.cmd) return await this[packet.cmd](packet.data,packet.name)
       return  {error: 'no command in packet', packet: packet }
     }
@@ -18,7 +17,7 @@ import { Socket } from '../src'
     async doit(data,name) {
       return new Promise(resolve => {
         let res = {}
-        console.log('data:', data)
+        console.log('data sent to doit = ', data)
         res.status ='success'
         res.name = name
         res.cmd = 'reply'

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "testw": "mocha -r @std/esm test/*.test.mjs --watch --recurse --watch-extensions mjs",
     "test": "mocha -r @std/esm test/*.test.mjs",
-    "testlog": "mocha -r @std/esm test/*.test.mjs | ./node_modules/.bin/bunyan",
+    "testlog": "DEBUG=true mocha -r @std/esm test/*.test.mjs",
     "testci": "istanbul cover ./node_modules/.bin/_mocha  --report lcovonly -- -R spec --recursive && codecov || true",
     "s": "SOCKETS_DIR=/opt/sockets DEBUG=true node -r @std/esm  examples/server",
     "devs": "SOCKETS_DIR=/opt/sockets DEBUG=true ./node_modules/.bin/nodemon -r @std/esm -e mjs  examples/server",

src/consumer.mjs

@@ -88,18 +88,24 @@ export default class Consumer extends Socket {
   }
 
 
-  async send(packet) {
+  async send(ipacket) {
     return new Promise( async (resolve) => {
+      // need this for when multiple sends for different consumers use same packet instance
+      let packet = Object.assign({},ipacket)
       setTimeout(() => {resolve({error:'no response from socket in 10sec'})},10000)
-      packet._id = Math.random().toString().slice(2)
+      packet._header =
-      // console.log('sending to socket', packet.id)
+      { id:Math.random().toString().slice(2), // need this for when multiple sends for different consumers use same packet instanceack
+        sender:{ name:this.name, instanceID:this.id },
+        path: this.opts.path,
+        port: this.opts.port,
+        host: this.opts.host
+      }
       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))
-      this.once(packet._id,async function(reply){
+      // console.log('listerner set', packet._header.id, packet._header.sender.instanceID)
+      this.once(packet._header.id,async function(reply){
         // console.log('reply emitted',reply)
-        this.removeAllListeners(reply.id)
-        delete reply._id
         let res = await this._packetProcess(reply)
         if (!res) {   // if process was not promise returning like just logged to console
           res = reply
@@ -122,7 +128,7 @@ 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 socket stream')
+      const cb = () => resolve('=====>packet written to consumer side socket stream ')
       if (!super.write(packet)) {
         this.once('drain',cb )
       } else {
@@ -139,13 +145,13 @@ export default class Consumer extends Socket {
     this.on('data', this.stream.onData)
     this.stream.on('message', messageProcess.bind(this))
     async function messageProcess (packet) {
+      // console.log('incoming packet from socket',packet)
       if (packet._handshake) {
         this._ready = true
         return }
       // TODO send back ack with consumer ID and authorization and wait
       // when authorized drop through here to emit
-      // console.log('incoming packet',packet)
+      this.emit(packet._header.id, packet)
-      this.emit(packet._id, packet)
     }
   }
 
@@ -157,7 +163,6 @@ export default class Consumer extends Socket {
 
 }  // end class
 
-
 // HELP FUNCTIONS
 // wait until a passed ready function returns true
 function isReady(ready, wait=30, timeout=1000) {

src/socket.mjs

@@ -67,7 +67,6 @@ export default class Socket extends Server {
     }) // end creeate promise
   } // end create
 
-
   registerPacketProcessor (func) {
     this._packetProcess = func
   }
@@ -85,12 +84,20 @@ export default class Socket extends Server {
         // TODO need to start error listener for stream so errors can be processed
         stream.on('message', messageProcess.bind(this))
         async function messageProcess (packet) {
-          // console.log('before processing',packet)
+          // console.log(' incoming packet on socket side',packet)
-          let processed = await this._packetProcess(packet)
+          let processed = Object.assign({},await this._packetProcess(packet)) // must make copy in case processed returned passed packet
-          if (!processed) processed = { error: 'socket packet command function likely did not return a promise', packet:packet}
+          if (Object.keys(processed).length === 0) processed = { error: 'socket packet command function likely did not return a promise', packet:packet}
-          processed._id = packet._id //make sure return packet has its ID
+          processed._header = packet._header //make sure return packet has header in case it was removed in processing
+          delete packet._header  // remove before adding to response header as request
+          processed._header.request = packet
+          processed._header.responder = {name:this.name,instanceID:this.id}
+          processed._header.socket = this._connectionKey
+          if (!processed.cmd) processed.cmd = 'reply'  // by default return command is 'reply'
           // console.log('after processing',processed)
-          write(await stream.serialize(processed))
+          let [err, ser] = await btc(stream.serialize)(processed)
+          if (err) ser = await stream.serialize({ error: 'was not able to serialze the processed packet', err:err, _header:{id:processed._header.id}})
+          // console.log('serialized ready for write',ser)
+          log.info(await write(ser))
         }
       }) // end connecttion consumer
       log.info({opts: this.opts},'socket created')
@@ -107,12 +114,10 @@ export default class Socket extends Server {
   }
 
   // default packet process, just a simple echo
-  _packetProcess (packet) {
+  async _packetProcess (packet) {
     return new Promise(resolve => {
-      packet.response='this packet was echoed by default'
       resolve(packet)
     })
-
   }
 
   // must have a consumer socket bound to use
@@ -125,7 +130,6 @@ export default class Socket extends Server {
       } else {
         process.nextTick(cb)
       }
-
     })
   }
 

test/usocket-default.test.mjs

@@ -30,7 +30,7 @@ describe('Connects and Processes a payload via Unix Socket using JSON packet wit
     socket.kill()
   })
 
-  const TIMES = 500
+  const TIMES = 5000
 
   it(`Tests unix socket with default echo JSON packet procssing with ${TIMES} packets sent`, async function () {
 
@@ -40,7 +40,6 @@ describe('Connects and Processes a payload via Unix Socket using JSON packet wit
       process.kill(process.pid, 'SIGTERM')
     }
 
-
     consumer.registerPacketProcessor(async function (packet) {
       return new Promise((resolve) => {
         packet.times += 1