fix: test task function name only if the received from workers

[poolifier.git] / src / pools / abstract-pool.ts

diff --git a/src/pools/abstract-pool.ts b/src/pools/abstract-pool.ts
index f76ad2f55bf4326383077456d7414aa8c023ea2e..d36e8a4737dbe5514aa936de561780baee5ba528 100644 (file)
--- a/src/pools/abstract-pool.ts
+++ b/src/pools/abstract-pool.ts
@@ -92,6 +92,10 @@ export abstract class AbstractPool<
    * The start timestamp of the pool.
    */
   private readonly startTimestamp
+  /**
+   * The task function names.
+   */
+  private taskFunctions!: string[]
 
   /**
    * Constructs a new poolifier pool.
@@ -555,7 +559,7 @@ export abstract class AbstractPool<
     }
     for (const [workerNodeKey, workerNode] of this.workerNodes.entries()) {
       workerNode.resetUsage()
-      this.sendWorkerStatisticsMessageToWorker(workerNodeKey)
+      this.sendStatisticsMessageToWorker(workerNodeKey)
     }
   }
 
@@ -642,6 +646,15 @@ export abstract class AbstractPool<
     }
   }
 
+  /** @inheritDoc */
+  public listTaskFunctions (): string[] {
+    if (this.taskFunctions != null) {
+      return this.taskFunctions
+    } else {
+      return []
+    }
+  }
+
   /** @inheritDoc */
   public async execute (
     data?: Data,
@@ -652,6 +665,22 @@ export abstract class AbstractPool<
       if (name != null && typeof name !== 'string') {
         reject(new TypeError('name argument must be a string'))
       }
+      if (
+        name != null &&
+        typeof name === 'string' &&
+        name.trim().length === 0
+      ) {
+        reject(new TypeError('name argument must not be an empty string'))
+      }
+      if (
+        name != null &&
+        this.taskFunctions != null &&
+        !this.taskFunctions.includes(name)
+      ) {
+        reject(
+          new Error(`Task function '${name}' is not registered in the pool`)
+        )
+      }
       if (transferList != null && !Array.isArray(transferList)) {
         reject(new TypeError('transferList argument must be an array'))
       }
@@ -698,7 +727,7 @@ export abstract class AbstractPool<
     workerNodeKey: number,
     workerId: number
   ): Promise<void> {
-    const waitForKillResponse = new Promise<void>((resolve, reject) => {
+    await new Promise<void>((resolve, reject) => {
       this.registerWorkerMessageListener(workerNodeKey, (message) => {
         if (message.kill === 'success') {
           resolve()
@@ -706,9 +735,8 @@ export abstract class AbstractPool<
           reject(new Error(`Worker ${workerId} kill message handling failed`))
         }
       })
+      this.sendToWorker(workerNodeKey, { kill: true, workerId })
     })
-    this.sendToWorker(workerNodeKey, { kill: true, workerId })
-    await waitForKillResponse
   }
 
   /**
@@ -958,7 +986,9 @@ export abstract class AbstractPool<
               workerUsage.tasks.executing === 0 &&
               this.tasksQueueSize(localWorkerNodeKey) === 0)))
       ) {
-        this.destroyWorkerNode(localWorkerNodeKey).catch(EMPTY_FUNCTION)
+        this.destroyWorkerNode(localWorkerNodeKey).catch((error) => {
+          this.emitter?.emit(PoolEvents.error, error)
+        })
       }
     })
     const workerInfo = this.getWorkerInfo(workerNodeKey)
@@ -997,8 +1027,8 @@ export abstract class AbstractPool<
     this.registerWorkerMessageListener(workerNodeKey, this.workerListener())
     // Send the startup message to worker.
     this.sendStartupMessageToWorker(workerNodeKey)
-    // Send the worker statistics message to worker.
-    this.sendWorkerStatisticsMessageToWorker(workerNodeKey)
+    // Send the statistics message to worker.
+    this.sendStatisticsMessageToWorker(workerNodeKey)
   }
 
   /**
@@ -1009,11 +1039,11 @@ export abstract class AbstractPool<
   protected abstract sendStartupMessageToWorker (workerNodeKey: number): void
 
   /**
-   * Sends the worker statistics message to worker given its worker node key.
+   * Sends the statistics message to worker given its worker node key.
    *
    * @param workerNodeKey - The worker node key.
    */
-  private sendWorkerStatisticsMessageToWorker (workerNodeKey: number): void {
+  private sendStatisticsMessageToWorker (workerNodeKey: number): void {
     this.sendToWorker(workerNodeKey, {
       statistics: {
         runTime:
@@ -1084,6 +1114,9 @@ export abstract class AbstractPool<
       } else if (message.taskId != null) {
         // Task execution response received from worker
         this.handleTaskExecutionResponse(message)
+      } else if (message.taskFunctions != null) {
+        // Task functions message received from worker
+        this.taskFunctions = message.taskFunctions
       }
     }
   }