refactored processing and packet command function lookup based on priortized namespaces. Packets can now have subcommands by use using . or : which will look in sub keys for the command sub function

examples/four-in-one.mjs

@@ -3,15 +3,25 @@ import Base from  '../src/base'
 const USOCKET = __dirname + '/sample.sock'
 
 const socketfuncs = {
-  write: function(packet){
+  write: {
-    packet.cmd='reply'
+    happy: function(packet){
-    packet.response='return of write command'
+      return new Promise( async (resolve) => {
-    return packet
+        let res = {}
-  },
+        res.req = packet
-  write2: function(packet){
+        res.cmd='reply'
-    packet.cmd='reply'
+        res.response='Im a happy puppy :)'
-    packet.response='return of write2 command'
+        return resolve(res)
-    return packet
+      })
+    },
+    sad: function(packet){
+      return new Promise( async (resolve) => {
+        let res = {}
+        res.req = packet
+        res.cmd='reply'
+        res.response='Im a sad dog :('
+        return resolve(res)
+      })
+    }
   }
 }
 
@@ -21,24 +31,19 @@ const socketfuncs = {
   const delay = time => new Promise(res=>setTimeout(()=>res(),time))
 
   // let app  = new Base({com:'us,uc,ts,tc', id:'example', path: USOCKET, log:false})
-  let fio  = new Base({sockets:'uc#c>n,us#s>n,tc#c>t,ts#s>t', id:'four-in-one'})
+  // let fio  = new Base({sockets:'uc#c>n,us#s>n,tc#c>t,ts#s>t', id:'four-in-one'})
-
+  let fio  = new Base({sockets:'uc#c>n,us#s>n', id:'four-in-one'})
   // app.amendPacketProcessing(basefuncs)
 
   await fio.init()
 
-  fio.amendNamedProcessing('tc',{
+  fio.s = socketfuncs
-    reply: packet => {
-      console.log('==============Packet returned to nameed consumer tc==========')
-      console.dir(packet)
-      console.log('===========================')
-    }
-  })
 
-  fio.reply = packet =>{
+  //
-    console.log('==============Packet Displayed by Generic reply function')
+  // fio.reply = packet =>{
-    console.dir(packet)
+  //   console.log('==============Packet Displayed by Generic reply function')
-  }
+  //   console.dir(packet)
+  // }
 
 
   let packet = {}
@@ -47,11 +52,25 @@ const socketfuncs = {
   console.log(packet)
   await fio.send(packet)
 
-  fio.amendSocketProcessing(socketfuncs)
+  // fio.amendSocketProcessing(socketfuncs)
-
+  //
-  packet = {cmd:'write', data:'data to write'}
+  packet = {cmd:'write:happy', data:'data to write'}
   console.log(packet)
   await fio.send(packet)
+  packet = {cmd:'write:sad', data:'data to write'}
+  console.log(packet)
+  await fio.send(packet)
+
+  delay(3000)
+  // fio.amendConsumerProcessing({
+  //   reply: packet => {
+  //     console.log('==============Amended Default Packet Replay for Consumer=========')
+  //     console.dir(packet)
+  //     console.log('===========================')
+  //   }
+  // })
+
+
   // await app.send(packet)
   // await delay(500)
   // app.amendPacketContext(

src/base.mjs

@@ -1,15 +1,17 @@
 // import { Socket, Consumer } from '@uci/socket'
 import UCISocket from '../../uci-socket/src'
-import defaultProcessing from './default-processing.mjs'
 import EventEmitter from 'events'
 
+import { processor, commands } from './processing.mjs'
+
 export default class Base extends EventEmitter {
   constructor(opts={}) {
     super()
     this.id = opts.id || opts.name || 'uci-base:'+ new Date().getTime()
     this.desc = opts.desc // additional details for humans
     this.socket={}
-    this._default = defaultProcessing
+    this._processors = { _default: processor }
+    this._defaultCmds = commands
     opts.sockets.split(/[,|\s]+/).forEach( socketStr => {
       let socket = {}
       socketStr.split(/[>#]+/).map(function(prop,index) {
@@ -19,7 +21,7 @@ export default class Base extends EventEmitter {
       if (socket.transport ==='n') opts[socket.name].np = true
       opts[socket.name].id = this.id +':'+ socket.name
       // console.log(TRANSLATIONS[socket.type])
-      this.socket[socket.name] = new UCISocket[TRANSLATIONS[socket.type]](opts[socket.name])
+      this.socket[socket.name] = new UCISocket[TRANSLATE[socket.type]](opts[socket.name])
       // console.log(socket.name, this.socket[socket.name].send)
       Object.assign(this.socket[socket.name],socket) // copy socket info props to new socket
       this.socket[socket.name]._packetProcess = this._packetProcess.bind(this,socket.name)
@@ -57,58 +59,75 @@ export default class Base extends EventEmitter {
     this.emit('packet', packet)  // emits on instance for instance use
   }
 
-  // registerPacketProcessor(name, func) {
-  //   if (typeof name === 'string') {
-  //     if (this.socket[name]) await this.socket[name]._packetProcess = func
-  //   }
-  //   else {
-  //     func = name
-  //     for(let name of Object.keys(this.socket)){
-  //         this.socket[name].send(packet)
-  //       }
-  //     }
-  //   }
-  // }
-
-  // registerConsumerProcessor(func) {
-  //   this._packetProces = func
-  // }
-  // registerSocketProcessor(func) {
-  //   this._packetProces = func
-  // }
-
   getSocket(name) {return this.socket[name]}
+
+  getCmdFunc (cmd,obj) {
+    if (typeof cmd ==='string') {
+      if (typeof obj ==='string' || obj === null) cmd = obj+'.'+cmd
+      cmd=cmd.split(/[.:]+/)
+      obj = this
+      // console.log('===================',cmd, this.id)
+    }
+    var prop=cmd.shift()
+    if (cmd.length === 0) return obj[prop]
+    if(!obj[prop]) return null
+    // console.log(cmd.length,cmd,prop, obj[prop])
+    return this.getCmdFunc(cmd, obj[prop])
+  }
+
+
   sendSocket(name) {}
   sendTransport(trans) {}
 
   amendConsumerProcessing(funcs,trans) {
-    Object.assign(this._default.c[trans],funcs)
+    if (trans) {
+      if (!this._defaultCmds.c[trans]) this._defaultCmds.c[trans] ={}
+      Object.assign(this._defaultCmds.c[trans],funcs)
+    }
+    Object.assign(this._defaultCmds.c,funcs)
   }
 
   amendSocketProcessing(funcs,trans) {
     if (trans) {
-      if (!this._default.s[trans]) this._default.s[trans] ={}
+      if (!this._defaultCmds.c[trans]) this._defaultCmds.c[trans] ={}
-      Object.assign(this._default.s[trans],funcs)
+      Object.assign(this._defaultCmds.c[trans],funcs)
     }
-    Object.assign(this._default.s,funcs)
+    Object.assign(this._defaultCmds.c,funcs)
   }
-
+  // use s: and c: keys  TODO need to change this
-  amendNamedProcessing(name,funcs) {
+  addNamedProcessing(name,funcs,type) {
-    if(!this._default[name]) this._default[name] ={}
+    if (type){
-    Object.assign(this._default[name],funcs)
+      if(!this._cmds[name][type]) this._cmds[name][type] = {}
+      Object.assign(this._cmds[name][type],funcs)
+    } else {
+      if(!this._cmds[name]) this._cmds[name] ={}
+      Object.assign(this._cmds[name],funcs)
+    }
   }
 
   beforeHook (type,funcs){}
   afterHook(type,funcs){}
 
-  addProcessing(name,type) {}
+  // here you can add namespaced functions for packet commands
-
+  consumersProcessor(func) {
-  consumerProcessor(func) {
+    for(let name of Object.keys(this.socket)){
-    this._default.c._process = func
+      if (this.socket[name].type ==='c') {
+        this.socketNamedProcessor(func,name)
+      }
+    }
   }
 
-  socketProcessor(func) {
+  socketsProcessor(func) {
-    this._default.s._process = func
+    for(let name of Object.keys(this.socket)){
+      if (this.socket[name].type ==='s') {
+        this.socketNamedProcessor(func,name)
+      }
+    }
+  }
+
+  socketNameProcessor(func,socket_name) {
+    socket_name = socket_name || '_default'
+    this._processors[socket_name]._process = func
   }
 
   packetProcessor(func) {
@@ -124,25 +143,17 @@ export default class Base extends EventEmitter {
   _transport(name) {return this.socket[name].transport}
   _type(name) {return this.socket[name].type}
 
-  // default packet processor for all sockets
+  /*
-  async _packetProcess (sname,packet) {
+  **********default packet processor for all sockets
-    return this._default[this.socket[sname].type]._process.bind(this)(packet,sname)
+  */
+
+  async _packetProcess (socket_name,packet) {
+    let processor = packet._processor || this._processors[socket_name] || '_default'
+    return await this._processors[processor].bind(this)(packet,socket_name,this._processors[processor])
   }
 
 
 } // end class
 
 const SOCKET_INFO_KEYS = ['name','type','transport']
-const TRANSLATIONS = {t:'TCP',s:'Socket',c:'Consumer',n:'Named Pipe',}
+const TRANSLATE= {n:'Named Pipe',t:'TCP',s:'Socket',c:'Consumer'}
-
-
-
-// this.on('packet', packet => {
-//   console.log('incoming packet ==========>',packet)
-//   app[TRANSLATIONS[packet._socket.type]].bind(app)(packet)
-// })
-//
-// // console.log('IN EMIT FUNCTION',socket_name,packet)
-// // let s = this.socket[socket_name]
-// // packet._socket = {name:s.name,type:s.type,transport:s.transport}
-// // this.emit('packet', packet)

src/processing.mjs

@@ -0,0 +1,85 @@
+
+
+// this._processing refers to this module/hash
+
+const processor = async function (packet,socket) {
+  return await process[this.getSocket(socket).type].bind(this)(packet)
+}
+
+export { processor, commands }
+
+const process = {
+  s: async function (packet) {
+    // add namepaces by unshifting them onto look_in
+    // console.log('in default socket processor',packet.cmd)
+    if (!packet.cmd) return  {error: 'no command in packet', packet: packet }
+    let cmd_func = null
+    let namespaces = ['s',null,'_defaultCmds.s']
+    namespaces.some( namespace => {
+      cmd_func = this.getCmdFunc(namespace+'.'+packet.cmd)
+      if (cmd_func) return true
+    })
+    if (cmd_func) return cmd_func.bind(this)(packet)
+    return  {error: 'no socket processing function supplied for command', packet: packet }
+  },
+
+  c: async function (packet) {
+    // console.log('in default consumer processor',packet.cmd)
+    if (packet.error) this._defaultCmds.c.error(packet)
+    if (packet.cmd) {
+      // move namespaces to  class constructor and add unshift method for adding
+      let namespaces = ['c.'+packet.cmd,packet.cmd,'_defaultCmds.c.'+packet.cmd]
+      let cmd_func = false
+      namespaces.forEach( location => {
+        cmd_func = this.getCmdFunc(location)
+        if(cmd_func)return
+      })
+      if (cmd_func) return cmd_func.bind(this)(packet)
+      packet = {error:'no consumer processing function supplied for command',packet:packet}
+      this._defaultCmds.c.error(packet)
+    } else {
+      packet = {error:'no command in packet',packet:packet}
+      this._defaultCmds.c.error(packet)
+    }
+  }
+}
+
+/*
+*
+* Default packed command processing
+*
+*/
+
+const commands ={
+  s:{
+    echo: async packet => {
+      return new Promise( async (resolve) => {
+        packet.processed = true
+        packet.cmd = 'reply'
+        packet.info = 'default socket echo'
+        return resolve(packet)
+      })
+    }
+  },
+  c:{
+    error: function (packet) {
+      console.log('==============Packet ERROR==========')
+      console.log(packet.error )
+      console.dir(packet.packet)
+      console.log('===========================')
+    },
+    reply: function(packet) {
+      console.log('==============Packet returned from socket==========')
+      console.dir(packet)
+      console.log('===========================')
+      this.amendConsumerProcessing({
+        reply: function (packet) {
+          console.log('==============Amended Default Packet Replay for Consumer=========')
+          console.dir(packet)
+          console.log('===========================')
+        }
+      })
+
+    }
+  }
+}