feat: add support for async kill handler

[poolifier.git] / src / pools / cluster / fixed.ts

diff --git a/src/pools/cluster/fixed.ts b/src/pools/cluster/fixed.ts
index a88197f715bdd2c2a129638d3960dce9d9ac8420..b5b32527cf595b8b4ec8f52f3290a10e4647cbd4 100644 (file)
--- a/src/pools/cluster/fixed.ts
+++ b/src/pools/cluster/fixed.ts
@@ -1,13 +1,8 @@
 import cluster, { type ClusterSettings, type Worker } from 'node:cluster'
 import type { MessageValue } from '../../utility-types'
 import { AbstractPool } from '../abstract-pool'
-import {
-  type PoolOptions,
-  type PoolType,
-  PoolTypes,
-  type WorkerType,
-  WorkerTypes
-} from '../pool'
+import { type PoolOptions, type PoolType, PoolTypes } from '../pool'
+import { type WorkerType, WorkerTypes } from '../worker'
 
 /**
  * Options for a poolifier cluster pool.
@@ -65,17 +60,45 @@ export class FixedClusterPool<
   }
 
   /** @inheritDoc */
-  protected destroyWorker (worker: Worker): void {
-    this.sendToWorker(worker, { kill: 1 })
+  protected async destroyWorkerNode (workerNodeKey: number): Promise<void> {
+    this.flushTasksQueue(workerNodeKey)
+    // FIXME: wait for tasks to be finished
+    const worker = this.workerNodes[workerNodeKey].worker
+    const waitWorkerExit = new Promise<void>((resolve) => {
+      worker.on('exit', () => {
+        resolve()
+      })
+    })
     worker.on('disconnect', () => {
       worker.kill()
     })
+    this.sendToWorker(workerNodeKey, { kill: true, workerId: worker.id })
     worker.disconnect()
+    await waitWorkerExit
+  }
+
+  /** @inheritDoc */
+  protected sendToWorker (
+    workerNodeKey: number,
+    message: MessageValue<Data>
+  ): void {
+    this.workerNodes[workerNodeKey].worker.send(message)
+  }
+
+  /** @inheritDoc */
+  protected sendStartupMessageToWorker (workerNodeKey: number): void {
+    this.sendToWorker(workerNodeKey, {
+      ready: false,
+      workerId: this.workerNodes[workerNodeKey].worker.id
+    })
   }
 
   /** @inheritDoc */
-  protected sendToWorker (worker: Worker, message: MessageValue<Data>): void {
-    worker.send(message)
+  protected registerWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    this.workerNodes[workerNodeKey].worker.on('message', listener)
   }
 
   /** @inheritDoc */