Cleanup workers handling classes.

[e-mobility-charging-stations-simulator.git] / src / start.ts

diff --git a/src/start.ts b/src/start.ts
index 3b9fc75b287c7c8d9eff1296dd0eb720ddb09fe0..947a1abfd15011ae208529f92f7edd1ed41cb98e 100644 (file)
--- a/src/start.ts
+++ b/src/start.ts
@@ -2,44 +2,53 @@ import Configuration from './utils/Configuration';
 import Constants from './utils/Constants';
 import Utils from './utils/Utils';
 import WorkerData from './types/WorkerData';
-import Wrk from './charging-station/Worker';
+import WorkerGroup from './charging-station/WorkerGroup';
+import WorkerPool from './charging-station/WorkerPool';
 
 class Bootstrap {
   static async start() {
     try {
       let numStationsTotal = 0;
       let numConcurrentWorkers = 0;
-      let worker: Wrk;
+      const chargingStationsPerWorker = Configuration.getChargingStationsPerWorker();
+      let chargingStationsPerWorkerCounter = 0;
+      let workerImplementation: WorkerGroup | WorkerPool;
+      if (Configuration.useWorkerPool()) {
+        workerImplementation = new WorkerPool('./dist/charging-station/StationWorker.js');
+        void workerImplementation.start();
+      }
       // Start each ChargingStation object in a worker thread
       if (Configuration.getStationTemplateURLs()) {
-        for await (const stationURL of Configuration.getStationTemplateURLs()) {
+        for (const stationURL of Configuration.getStationTemplateURLs()) {
           try {
             const nbStations = stationURL.numberOfStations ? stationURL.numberOfStations : 0;
-            numStationsTotal += nbStations;
             for (let index = 1; index <= nbStations; index++) {
-              const workerData = {
+              const workerData: WorkerData = {
                 index,
                 templateFile: stationURL.file
-              } as WorkerData;
+              };
               if (Configuration.useWorkerPool()) {
-                worker = new Wrk('./dist/charging-station/StationWorker.js', workerData);
-                worker.start().catch(() => { });
-                numConcurrentWorkers = Configuration.getWorkerPoolSize();
+                void workerImplementation.addElement(workerData);
+                numConcurrentWorkers = workerImplementation.size;
+                numStationsTotal = workerImplementation.size;
+                // Start worker sequentially to optimize memory at start time
+                await Utils.sleep(Constants.START_WORKER_DELAY);
               } else {
-                const chargingStationsPerWorker = Configuration.getChargingStationsPerWorker();
-                let chargingStationsPerWorkerCounter = 0;
-                if (chargingStationsPerWorkerCounter === 0 || chargingStationsPerWorkerCounter === chargingStationsPerWorker) {
-                  // Start new Wrk with one charging station
-                  worker = new Wrk('./dist/charging-station/StationWorker.js', workerData, chargingStationsPerWorker);
-                  worker.start().catch(() => { });
+                // eslint-disable-next-line no-lonely-if
+                if (chargingStationsPerWorkerCounter === 0 || chargingStationsPerWorkerCounter >= chargingStationsPerWorker) {
+                  // Start new WorkerGroup with one charging station
+                  workerImplementation = new WorkerGroup('./dist/charging-station/StationWorker.js', workerData, chargingStationsPerWorker);
+                  void workerImplementation.start();
                   numConcurrentWorkers++;
                   chargingStationsPerWorkerCounter = 1;
-                  // Start Wrk sequentially to optimize memory at start time
+                  numStationsTotal++;
+                  // Start worker sequentially to optimize memory at start time
                   await Utils.sleep(Constants.START_WORKER_DELAY);
                 } else {
-                  // Add charging station to existing Wrk
-                  worker.addWorkerElement(workerData);
+                  // Add charging station to existing WorkerGroup
+                  void workerImplementation.addElement(workerData);
                   chargingStationsPerWorkerCounter++;
+                  numStationsTotal++;
                 }
               }
             }
@@ -53,8 +62,10 @@ class Bootstrap {
       }
       if (numStationsTotal === 0) {
         console.log('No charging station template enabled in configuration, exiting');
+      } else if (Configuration.useWorkerPool()) {
+        console.log('Charging station simulator started with ' + numStationsTotal.toString() + ' charging station(s) and ' + numConcurrentWorkers.toString() + '/' + Configuration.getWorkerPoolMaxSize().toString() + ' worker(s) concurrently running');
       } else {
-        console.log('Charging station simulator started with ' + numStationsTotal.toString() + ' charging station(s) of ' + numConcurrentWorkers.toString() + ' concurrently running');
+        console.log('Charging station simulator started with ' + numStationsTotal.toString() + ' charging station(s) and ' + numConcurrentWorkers.toString() + ' worker(s) concurrently running');
       }
     } catch (error) {
       // eslint-disable-next-line no-console
@@ -63,4 +74,8 @@ class Bootstrap {
   }
 }
 
-Bootstrap.start();
+Bootstrap.start().catch(
+  (error) => {
+    console.error(error);
+  }
+);