0.1.17 add removeSocket method, add final catch of all packet processing errors.

examples/four-in-one.js

@@ -50,7 +50,7 @@ function status(state,consumer) {
   }
 }
 
-let fio  = new Base({sockets:'uc#c>n,us#s>n,tc#c>t,ts#s>t,mqtts#s>m,mqtt#c>m,webs#s>w', tc:{port:8100}, ts:{port:8100}, webs:{ port:8090 }, mqtts:{ topics:['switch/on','switch/off','switch/toggle']}, mqtt:{ topics:['switch/status']}})
+let fio  = new Base({sockets:'uc#c>n,us#s>n,tc#c>t,ts#s>t', tc:{port:8100}, ts:{port:8100}, webs:{ port:8090 }, mqtts:{ topics:['switch/on','switch/off','switch/toggle']}, mqtt:{ topics:['switch/status']}})
 
 fio.s = socketfuncs
 fio.c = { reply: () => {return Promise.resolve()} }
@@ -60,7 +60,7 @@ fio.cm = {switch:{status:status('on','mqtt')}}
 ;
 (async () => {
 
-
+  await fio.addSocket('mqtt','s','m',{ topics:['switch/on','switch/off','switch/toggle']})
   let res = await fio.init()
   console.log('initialize errors',res)
   console.log('waiting for packets')

package.json

@@ -1,11 +1,11 @@
 {
   "name": "@uci/base",
-  "version": "0.1.16",
+  "version": "0.1.17",
   "description": "Multi type and transport JSON packet communication base class.  Used in UCI extended classes",
   "main": "src/base",
   "scripts": {
-    "fiod": "./node_modules/.bin/nodemon -r esm examples/four-in-one",
-    "fio": "node -r esm examples/four-in-one",
+    "fiod": "UCI_ENV=dev ./node_modules/.bin/nodemon -r esm examples/four-in-one",
+    "fio": "nodemon -r esm examples/four-in-one",
     "dy": "node -r esm examples/dynamic",
     "web": "UCI_DEV=true nodemon -r esm examples/web",
     "mqtt": "node -r esm examples/mqtt",
@@ -38,9 +38,10 @@
   "dependencies": {
     "@uci-utils/bind-funcs": "^0.2.3",
     "@uci-utils/logger": "0.0.13",
-    "@uci/mqtt": "^0.1.8",
-    "@uci/socket": "^0.2.7",
-    "@uci/websocket": "^0.3.4",
+    "@uci/mqtt": "^0.1.9",
+    "@uci/socket": "^0.2.8",
+    "@uci/websocket": "^0.3.5",
+    "await-to-js": "^2.1.1",
     "p-settle": "^2.1.0"
   }
 }

src/base.js

@@ -15,6 +15,7 @@ import logger from '@uci-utils/logger'
 let log = {} // declare module wide log to be set during construction
 
 // Community dependencies
+import to from 'await-to-js'
 import EventEmitter from 'events'
 import pSettle from 'p-settle'
 
@@ -173,7 +174,7 @@ class Base extends EventEmitter {
     this.socket[name].type = type
     this.socket[name].transport = transport
     this.socket[name]._packetProcess = this._packetProcess.bind(this, name)
-    if (this._started) log.info(await this._initSocket(name))
+    if (this._started) return await this._initSocket(name)
     else return `socket ${name} added`
   }
 
@@ -184,7 +185,12 @@ class Base extends EventEmitter {
    * @returns {String | Object } success string or error object
    */
   async removeSocket(name) {
-    //TODO
+    // NOTE: uci consumers have .end renamed as .close to match socket method for convenience
+    let [err] = await to(this.socket[name].close())
+    let errmsg = {socket:this.socket[name].name, error:err, msg:'socket/consumer closed with errors but still removed'}
+    if (err) log.warn(errmsg)
+    delete this.socket[name]
+    return err ? errmsg : 'success'
   }
 
   /**
@@ -305,6 +311,9 @@ class Base extends EventEmitter {
   // afterProcessHook(func,type,transport){}  // TODO
 
   // here you can add namespaced functions for packet commands
+
+  //======================================================================
+  // TODO next several need to be redone now that namespace commands work
   consumersProcessor(func) {
     for (let name of Object.keys(this.socket)) {
       if (this.socket[name].type === 'c') {
@@ -331,6 +340,8 @@ class Base extends EventEmitter {
     else return this._namespaces[type].unshift(space)
   }
 
+  //======================================================
+
   /*
   *
   * Private Methods
@@ -392,7 +403,7 @@ class Base extends EventEmitter {
       packet.cmd,
       this._namespaces[this._type(socket) + this._transport(socket)]
     )
-    if (cmd_func) return await cmd_func.bind(this)(packet)
+    if (cmd_func) return await cmd_func.bind(this)(packet)  // todo try .call
     cmd_func = this._getCmdFuncNamespace(
       packet.cmd,
       this._namespaces[this._type(socket)]

src/processing.js

@@ -1,14 +1,25 @@
-
+import to from 'await-to-js'
+import logger from '@uci-utils/logger'
+let log = logger({ package: 'base',file:'processing.js'})
 
 // this._processing refers to this module/hash
 
+// processing errors that are caught should be sent back to consumer in packets with :error property
+// but they might also throw local errors/execptions so they should bubble up here and get caught and logged
+// messaging errors on socket will not be fatal to the entire socket server
 const processor = async function (packet,socket) {
-  return await process[this.getSocket(socket).type].bind(this)(packet,socket)
+  let [err,res] = await to(_process[this.getSocket(socket).type].bind(this)(packet,socket))
+  if (err) {
+    let error = {error:err, socket:socket, packet:packet, msg:'some possibly unhandled badness happened during packet processing'}
+    log.warn(error)
+    if (process.env.UCI_SHOW_UNHANDLED==='true') console.log(error)
+  }
+  else return res
 }
 
 export { processor, commands, namespaces }
 
-const process = {
+const _process = {
   s: async function (packet,socket) {
     // console.log('in default socket processor',packet.cmd)
     if (!packet.cmd) return  {error: '[socket] no command in packet', packet: packet }
@@ -63,16 +74,11 @@ const commands ={
   c:{
     error: function (packet) {
       // TODO log  and make this show only on env debug
-      console.log('==============Packet ERROR [consumer]==========')
-      console.log(packet.error )
-      console.dir(packet.packet)
-      console.log('===========================')
+      log.warn({error:packet.error, packet:packet, msg:'==========Packet ERROR [consumer]========='})
     },
     reply: function(packet) {
       // TODO log  and make this show only on env debug
-      console.log('==============Packet returned from socket - default reply==========')
-      console.dir(packet)
-      console.log('===========================')
+      log.debug({packet:packet, msg:'====Packet returned from socket - debug reply==='})
     }
   }
 }