X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=lib%2Fworkers.js;h=405cb3858f212a1f96fefbedf1e2677e158358bf;hb=cf9aa6c3340ad00792aa3c5e1a9d047cd0140fc2;hp=ee03778d47d603711ee16e6b994e5955a49855d7;hpb=766e51a0c50e4aadad5f8c65a2b6689d91ba75d8;p=poolifier.git

diff --git a/lib/workers.js b/lib/workers.js
index ee03778d..405cb385 100644
--- a/lib/workers.js
+++ b/lib/workers.js
@@ -1,7 +1,5 @@
 'use strict'
-const {
-  isMainThread, parentPort
-} = require('worker_threads')
+const { isMainThread, parentPort } = require('worker_threads')
 const { AsyncResource } = require('async_hooks')
 
 /**
@@ -15,21 +13,27 @@ class ThreadWorker extends AsyncResource {
   constructor (fn, opts) {
     super('worker-thread-pool:pioardi')
     this.opts = opts || {}
-    this.maxInactiveTime = this.opts.maxInactiveTime || (1000 * 60)
+    this.maxInactiveTime = this.opts.maxInactiveTime || 1000 * 60
+    this.async = !!this.opts.async
     this.lastTask = Date.now()
     if (!fn) throw new Error('Fn parameter is mandatory')
     // keep the worker active
     if (!isMainThread) {
-      this.interval = setInterval(this._checkAlive.bind(this), this.maxInactiveTime / 2)
+      this.interval = setInterval(
+        this._checkAlive.bind(this),
+        this.maxInactiveTime / 2
+      )
       this._checkAlive.bind(this)()
     }
-    parentPort.on('message', (value) => {
+    parentPort.on('message', value => {
       if (value && value.data && value._id) {
         // here you will receive messages
         // console.log('This is the main thread ' + isMainThread)
-        const res = this.runInAsyncScope(fn, null, value.data)
-        this.parent.postMessage({ data: res, _id: value._id })
-        this.lastTask = Date.now()
+        if (this.async) {
+          this.runInAsyncScope(this._runAsync.bind(this), this, fn, value)
+        } else {
+          this.runInAsyncScope(this._run.bind(this), this, fn, value)
+        }
       } else if (value.parent) {
         // save the port to communicate with the main thread
         // this will be received once
@@ -37,15 +41,39 @@ class ThreadWorker extends AsyncResource {
       } else if (value.kill) {
         // here is time to kill this thread, just clearing the interval
         clearInterval(this.interval)
+        this.emitDestroy()
       }
     })
   }
 
   _checkAlive () {
-    if ((Date.now() - this.lastTask) > this.maxInactiveTime) {
+    if (Date.now() - this.lastTask > this.maxInactiveTime) {
       this.parent.postMessage({ kill: 1 })
     }
   }
+
+  _run (fn, value) {
+    try {
+      const res = fn(value.data)
+      this.parent.postMessage({ data: res, _id: value._id })
+      this.lastTask = Date.now()
+    } catch (e) {
+      this.parent.postMessage({ error: e, _id: value._id })
+      this.lastTask = Date.now()
+    }
+  }
+
+  _runAsync (fn, value) {
+    fn(value.data)
+      .then(res => {
+        this.parent.postMessage({ data: res, _id: value._id })
+        this.lastTask = Date.now()
+      })
+      .catch(e => {
+        this.parent.postMessage({ error: e, _id: value._id })
+        this.lastTask = Date.now()
+      })
+  }
 }
 
 module.exports.ThreadWorker = ThreadWorker