build(simulator): use module imports for performance
[e-mobility-charging-stations-simulator.git] / src / charging-station / AutomaticTransactionGenerator.ts
index fb6e9d28c1f92ee7766104dd4559a79eeb94725e..011f1a1594af49893f94799dc5316aad562b263f 100644 (file)
@@ -1,74 +1,64 @@
-// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
 
-import { AsyncResource } from 'async_hooks';
+import { AsyncResource } from 'node:async_hooks';
 
-import BaseError from '../exception/BaseError';
-import PerformanceStatistics from '../performance/PerformanceStatistics';
-import {
-  type AutomaticTransactionGeneratorConfiguration,
-  IdTagDistribution,
-  type Status,
-} from '../types/AutomaticTransactionGenerator';
-import { RequestCommand } from '../types/ocpp/Requests';
+import type { ChargingStation } from './ChargingStation';
+import { ChargingStationUtils } from './ChargingStationUtils';
+import { IdTagsCache } from './IdTagsCache';
+import { BaseError } from '../exception';
+import { PerformanceStatistics } from '../performance';
 import {
   AuthorizationStatus,
   type AuthorizeRequest,
   type AuthorizeResponse,
+  ConnectorStatusEnum,
+  RequestCommand,
   type StartTransactionRequest,
   type StartTransactionResponse,
+  type Status,
   StopTransactionReason,
   type StopTransactionResponse,
-} from '../types/ocpp/Transaction';
-import Constants from '../utils/Constants';
-import logger from '../utils/Logger';
-import Utils from '../utils/Utils';
-import type ChargingStation from './ChargingStation';
-import { ChargingStationUtils } from './ChargingStationUtils';
+} from '../types';
+import { Constants, Utils, logger } from '../utils';
 
 const moduleName = 'AutomaticTransactionGenerator';
 
-export default class AutomaticTransactionGenerator extends AsyncResource {
+export class AutomaticTransactionGenerator extends AsyncResource {
   private static readonly instances: Map<string, AutomaticTransactionGenerator> = new Map<
     string,
     AutomaticTransactionGenerator
   >();
 
   public readonly connectorsStatus: Map<number, Status>;
-  public readonly configuration: AutomaticTransactionGeneratorConfiguration;
   public started: boolean;
   private readonly chargingStation: ChargingStation;
-  private idTagIndex: number;
 
-  private constructor(
-    automaticTransactionGeneratorConfiguration: AutomaticTransactionGeneratorConfiguration,
-    chargingStation: ChargingStation
-  ) {
+  private constructor(chargingStation: ChargingStation) {
     super(moduleName);
     this.started = false;
-    this.configuration = automaticTransactionGeneratorConfiguration;
     this.chargingStation = chargingStation;
-    this.idTagIndex = 0;
     this.connectorsStatus = new Map<number, Status>();
     this.initializeConnectorsStatus();
   }
 
   public static getInstance(
-    automaticTransactionGeneratorConfiguration: AutomaticTransactionGeneratorConfiguration,
     chargingStation: ChargingStation
-  ): AutomaticTransactionGenerator {
+  ): AutomaticTransactionGenerator | undefined {
     if (AutomaticTransactionGenerator.instances.has(chargingStation.stationInfo.hashId) === false) {
       AutomaticTransactionGenerator.instances.set(
         chargingStation.stationInfo.hashId,
-        new AutomaticTransactionGenerator(
-          automaticTransactionGeneratorConfiguration,
-          chargingStation
-        )
+        new AutomaticTransactionGenerator(chargingStation)
       );
     }
     return AutomaticTransactionGenerator.instances.get(chargingStation.stationInfo.hashId);
   }
 
   public start(): void {
+    if (
+      ChargingStationUtils.checkChargingStation(this.chargingStation, this.logPrefix()) === false
+    ) {
+      return;
+    }
     if (this.started === true) {
       logger.warn(`${this.logPrefix()} is already started`);
       return;
@@ -87,16 +77,27 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
   }
 
   public startConnector(connectorId: number): void {
+    if (
+      ChargingStationUtils.checkChargingStation(
+        this.chargingStation,
+        this.logPrefix(connectorId)
+      ) === false
+    ) {
+      return;
+    }
     if (this.connectorsStatus.has(connectorId) === false) {
       logger.error(`${this.logPrefix(connectorId)} starting on non existing connector`);
       throw new BaseError(`Connector ${connectorId} does not exist`);
     }
     if (this.connectorsStatus.get(connectorId)?.start === false) {
       this.runInAsyncScope(
-        this.internalStartConnector.bind(this) as (this: this, ...args: any[]) => unknown,
+        this.internalStartConnector.bind(this) as (
+          this: AutomaticTransactionGenerator,
+          ...args: any[]
+        ) => Promise<void>,
         this,
         connectorId
-      );
+      ).catch(Constants.EMPTY_FUNCTION);
     } else if (this.connectorsStatus.get(connectorId)?.start === true) {
       logger.warn(`${this.logPrefix(connectorId)} is already started on connector`);
     }
@@ -122,17 +123,37 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
       this.connectorsStatus.clear();
       this.initializeConnectorsStatus();
     }
-    for (const connectorId of this.chargingStation.connectors.keys()) {
-      if (connectorId > 0) {
-        this.startConnector(connectorId);
+    if (this.chargingStation.hasEvses) {
+      for (const [evseId, evseStatus] of this.chargingStation.evses) {
+        if (evseId > 0) {
+          for (const connectorId of evseStatus.connectors.keys()) {
+            this.startConnector(connectorId);
+          }
+        }
+      }
+    } else {
+      for (const connectorId of this.chargingStation.connectors.keys()) {
+        if (connectorId > 0) {
+          this.startConnector(connectorId);
+        }
       }
     }
   }
 
   private stopConnectors(): void {
-    for (const connectorId of this.chargingStation.connectors.keys()) {
-      if (connectorId > 0) {
-        this.stopConnector(connectorId);
+    if (this.chargingStation.hasEvses) {
+      for (const [evseId, evseStatus] of this.chargingStation.evses) {
+        if (evseId > 0) {
+          for (const connectorId of evseStatus.connectors.keys()) {
+            this.stopConnector(connectorId);
+          }
+        }
+      }
+    } else {
+      for (const connectorId of this.chargingStation.connectors.keys()) {
+        if (connectorId > 0) {
+          this.stopConnector(connectorId);
+        }
       }
     }
   }
@@ -140,35 +161,37 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
   private async internalStartConnector(connectorId: number): Promise<void> {
     this.setStartConnectorStatus(connectorId);
     logger.info(
-      this.logPrefix(connectorId) +
-        ' started on connector and will run for ' +
-        Utils.formatDurationMilliSeconds(
-          this.connectorsStatus.get(connectorId).stopDate.getTime() -
-            this.connectorsStatus.get(connectorId).startDate.getTime()
-        )
+      `${this.logPrefix(
+        connectorId
+      )} started on connector and will run for ${Utils.formatDurationMilliSeconds(
+        this.connectorsStatus.get(connectorId).stopDate.getTime() -
+          this.connectorsStatus.get(connectorId).startDate.getTime()
+      )}`
     );
-    while (this.connectorsStatus.get(connectorId).start === true) {
+    while (this.connectorsStatus.get(connectorId)?.start === true) {
       if (new Date() > this.connectorsStatus.get(connectorId).stopDate) {
         this.stopConnector(connectorId);
         break;
       }
-      if (!this.chargingStation.isInAcceptedState()) {
+      if (this.chargingStation.inAcceptedState() === false) {
         logger.error(
-          this.logPrefix(connectorId) +
-            ' entered in transaction loop while the charging station is not in accepted state'
+          `${this.logPrefix(
+            connectorId
+          )} entered in transaction loop while the charging station is not in accepted state`
         );
         this.stopConnector(connectorId);
         break;
       }
-      if (!this.chargingStation.isChargingStationAvailable()) {
+      if (this.chargingStation.isChargingStationAvailable() === false) {
         logger.info(
-          this.logPrefix(connectorId) +
-            ' entered in transaction loop while the charging station is unavailable'
+          `${this.logPrefix(
+            connectorId
+          )} entered in transaction loop while the charging station is unavailable`
         );
         this.stopConnector(connectorId);
         break;
       }
-      if (!this.chargingStation.isConnectorAvailable(connectorId)) {
+      if (this.chargingStation.isConnectorAvailable(connectorId) === false) {
         logger.info(
           `${this.logPrefix(
             connectorId
@@ -177,6 +200,18 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
         this.stopConnector(connectorId);
         break;
       }
+      if (
+        this.chargingStation.getConnectorStatus(connectorId)?.status ===
+        ConnectorStatusEnum.Unavailable
+      ) {
+        logger.info(
+          `${this.logPrefix(
+            connectorId
+          )} entered in transaction loop while the connector ${connectorId} status is unavailable`
+        );
+        this.stopConnector(connectorId);
+        break;
+      }
       if (!this.chargingStation?.ocppRequestService) {
         logger.info(
           `${this.logPrefix(
@@ -189,36 +224,43 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
       }
       const wait =
         Utils.getRandomInteger(
-          this.configuration.maxDelayBetweenTwoTransactions,
-          this.configuration.minDelayBetweenTwoTransactions
+          this.chargingStation.getAutomaticTransactionGeneratorConfiguration()
+            .maxDelayBetweenTwoTransactions,
+          this.chargingStation.getAutomaticTransactionGeneratorConfiguration()
+            .minDelayBetweenTwoTransactions
         ) * 1000;
       logger.info(
-        this.logPrefix(connectorId) + ' waiting for ' + Utils.formatDurationMilliSeconds(wait)
+        `${this.logPrefix(connectorId)} waiting for ${Utils.formatDurationMilliSeconds(wait)}`
       );
       await Utils.sleep(wait);
       const start = Utils.secureRandom();
-      if (start < this.configuration.probabilityOfStart) {
+      if (
+        start <
+        this.chargingStation.getAutomaticTransactionGeneratorConfiguration().probabilityOfStart
+      ) {
         this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions = 0;
         // Start transaction
         const startResponse = await this.startTransaction(connectorId);
         if (startResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
           // Wait until end of transaction
           const waitTrxEnd =
-            Utils.getRandomInteger(this.configuration.maxDuration, this.configuration.minDuration) *
-            1000;
+            Utils.getRandomInteger(
+              this.chargingStation.getAutomaticTransactionGeneratorConfiguration().maxDuration,
+              this.chargingStation.getAutomaticTransactionGeneratorConfiguration().minDuration
+            ) * 1000;
           logger.info(
-            this.logPrefix(connectorId) +
-              ' transaction ' +
-              this.chargingStation.getConnectorStatus(connectorId).transactionId.toString() +
-              ' started and will stop in ' +
-              Utils.formatDurationMilliSeconds(waitTrxEnd)
+            `${this.logPrefix(connectorId)} transaction started with id ${this.chargingStation
+              .getConnectorStatus(connectorId)
+              ?.transactionId?.toString()} and will stop in ${Utils.formatDurationMilliSeconds(
+              waitTrxEnd
+            )}`
           );
           await Utils.sleep(waitTrxEnd);
           // Stop transaction
           logger.info(
-            this.logPrefix(connectorId) +
-              ' stop transaction ' +
-              this.chargingStation.getConnectorStatus(connectorId).transactionId.toString()
+            `${this.logPrefix(connectorId)} stop transaction with id ${this.chargingStation
+              .getConnectorStatus(connectorId)
+              ?.transactionId?.toString()}`
           );
           await this.stopTransaction(connectorId);
         }
@@ -226,24 +268,23 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
         this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions++;
         this.connectorsStatus.get(connectorId).skippedTransactions++;
         logger.info(
-          this.logPrefix(connectorId) +
-            ' skipped consecutively ' +
-            this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions.toString() +
-            '/' +
-            this.connectorsStatus.get(connectorId).skippedTransactions.toString() +
-            ' transaction(s)'
+          `${this.logPrefix(connectorId)} skipped consecutively ${this.connectorsStatus
+            .get(connectorId)
+            ?.skippedConsecutiveTransactions?.toString()}/${this.connectorsStatus
+            .get(connectorId)
+            ?.skippedTransactions?.toString()} transaction(s)`
         );
       }
       this.connectorsStatus.get(connectorId).lastRunDate = new Date();
     }
     this.connectorsStatus.get(connectorId).stoppedDate = new Date();
     logger.info(
-      this.logPrefix(connectorId) +
-        ' stopped on connector and lasted for ' +
-        Utils.formatDurationMilliSeconds(
-          this.connectorsStatus.get(connectorId).stoppedDate.getTime() -
-            this.connectorsStatus.get(connectorId).startDate.getTime()
-        )
+      `${this.logPrefix(
+        connectorId
+      )} stopped on connector and lasted for ${Utils.formatDurationMilliSeconds(
+        this.connectorsStatus.get(connectorId).stoppedDate.getTime() -
+          this.connectorsStatus.get(connectorId).startDate.getTime()
+      )}`
     );
     logger.debug(
       `${this.logPrefix(connectorId)} connector status: %j`,
@@ -254,15 +295,15 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
   private setStartConnectorStatus(connectorId: number): void {
     this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions = 0;
     const previousRunDuration =
-      this?.connectorsStatus.get(connectorId)?.startDate &&
-      this?.connectorsStatus.get(connectorId)?.lastRunDate
+      this.connectorsStatus.get(connectorId)?.startDate &&
+      this.connectorsStatus.get(connectorId)?.lastRunDate
         ? this.connectorsStatus.get(connectorId).lastRunDate.getTime() -
           this.connectorsStatus.get(connectorId).startDate.getTime()
         : 0;
     this.connectorsStatus.get(connectorId).startDate = new Date();
     this.connectorsStatus.get(connectorId).stopDate = new Date(
       this.connectorsStatus.get(connectorId).startDate.getTime() +
-        (this.configuration.stopAfterHours ??
+        (this.chargingStation.getAutomaticTransactionGeneratorConfiguration().stopAfterHours ??
           Constants.CHARGING_STATION_ATG_DEFAULT_STOP_AFTER_HOURS) *
           3600 *
           1000 -
@@ -272,22 +313,45 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
   }
 
   private initializeConnectorsStatus(): void {
-    for (const connectorId of this.chargingStation.connectors.keys()) {
-      if (connectorId > 0) {
-        this.connectorsStatus.set(connectorId, {
-          start: false,
-          authorizeRequests: 0,
-          acceptedAuthorizeRequests: 0,
-          rejectedAuthorizeRequests: 0,
-          startTransactionRequests: 0,
-          acceptedStartTransactionRequests: 0,
-          rejectedStartTransactionRequests: 0,
-          stopTransactionRequests: 0,
-          acceptedStopTransactionRequests: 0,
-          rejectedStopTransactionRequests: 0,
-          skippedConsecutiveTransactions: 0,
-          skippedTransactions: 0,
-        });
+    if (this.chargingStation.hasEvses) {
+      for (const [evseId, evseStatus] of this.chargingStation.evses) {
+        if (evseId > 0) {
+          for (const connectorId of evseStatus.connectors.keys()) {
+            this.connectorsStatus.set(connectorId, {
+              start: false,
+              authorizeRequests: 0,
+              acceptedAuthorizeRequests: 0,
+              rejectedAuthorizeRequests: 0,
+              startTransactionRequests: 0,
+              acceptedStartTransactionRequests: 0,
+              rejectedStartTransactionRequests: 0,
+              stopTransactionRequests: 0,
+              acceptedStopTransactionRequests: 0,
+              rejectedStopTransactionRequests: 0,
+              skippedConsecutiveTransactions: 0,
+              skippedTransactions: 0,
+            });
+          }
+        }
+      }
+    } else {
+      for (const connectorId of this.chargingStation.connectors.keys()) {
+        if (connectorId > 0) {
+          this.connectorsStatus.set(connectorId, {
+            start: false,
+            authorizeRequests: 0,
+            acceptedAuthorizeRequests: 0,
+            rejectedAuthorizeRequests: 0,
+            startTransactionRequests: 0,
+            acceptedStartTransactionRequests: 0,
+            rejectedStartTransactionRequests: 0,
+            stopTransactionRequests: 0,
+            acceptedStopTransactionRequests: 0,
+            rejectedStopTransactionRequests: 0,
+            skippedConsecutiveTransactions: 0,
+            skippedTransactions: 0,
+          });
+        }
       }
     }
   }
@@ -298,8 +362,12 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
     const measureId = 'StartTransaction with ATG';
     const beginId = PerformanceStatistics.beginMeasure(measureId);
     let startResponse: StartTransactionResponse;
-    if (this.chargingStation.hasAuthorizedTags()) {
-      const idTag = this.getIdTag(connectorId);
+    if (this.chargingStation.hasIdTags()) {
+      const idTag = IdTagsCache.getInstance().getIdTag(
+        this.chargingStation.getAutomaticTransactionGeneratorConfiguration()?.idTagDistribution,
+        this.chargingStation,
+        connectorId
+      );
       const startTransactionLogMsg = `${this.logPrefix(
         connectorId
       )} start transaction with an idTag '${idTag}'`;
@@ -372,10 +440,10 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
         this.connectorsStatus.get(connectorId).rejectedStopTransactionRequests++;
       }
     } else {
-      const transactionId = this.chargingStation.getConnectorStatus(connectorId).transactionId;
+      const transactionId = this.chargingStation.getConnectorStatus(connectorId)?.transactionId;
       logger.warn(
         `${this.logPrefix(connectorId)} stopping a not started transaction${
-          transactionId ? ' ' + transactionId.toString() : ''
+          !Utils.isNullOrUndefined(transactionId) ? ` with id ${transactionId?.toString()}` : ''
         }`
       );
     }
@@ -384,51 +452,18 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
   }
 
   private getRequireAuthorize(): boolean {
-    return this.configuration?.requireAuthorize ?? true;
-  }
-
-  private getRandomIdTag(authorizationFile: string): string {
-    const tags = this.chargingStation.authorizedTagsCache.getAuthorizedTags(authorizationFile);
-    this.idTagIndex = Math.floor(Utils.secureRandom() * tags.length);
-    return tags[this.idTagIndex];
-  }
-
-  private getRoundRobinIdTag(authorizationFile: string): string {
-    const tags = this.chargingStation.authorizedTagsCache.getAuthorizedTags(authorizationFile);
-    const idTag = tags[this.idTagIndex];
-    this.idTagIndex = this.idTagIndex === tags.length - 1 ? 0 : this.idTagIndex + 1;
-    return idTag;
-  }
-
-  private getConnectorAffinityIdTag(authorizationFile: string, connectorId: number): string {
-    const tags = this.chargingStation.authorizedTagsCache.getAuthorizedTags(authorizationFile);
-    this.idTagIndex = (this.chargingStation.index - 1 + (connectorId - 1)) % tags.length;
-    return tags[this.idTagIndex];
-  }
-
-  private getIdTag(connectorId: number): string {
-    const authorizationFile = ChargingStationUtils.getAuthorizationFile(
-      this.chargingStation.stationInfo
+    return (
+      this.chargingStation.getAutomaticTransactionGeneratorConfiguration()?.requireAuthorize ?? true
     );
-    switch (this.configuration?.idTagDistribution) {
-      case IdTagDistribution.RANDOM:
-        return this.getRandomIdTag(authorizationFile);
-      case IdTagDistribution.ROUND_ROBIN:
-        return this.getRoundRobinIdTag(authorizationFile);
-      case IdTagDistribution.CONNECTOR_AFFINITY:
-        return this.getConnectorAffinityIdTag(authorizationFile, connectorId);
-      default:
-        return this.getRoundRobinIdTag(authorizationFile);
-    }
   }
 
-  private logPrefix(connectorId?: number): string {
+  private logPrefix = (connectorId?: number): string => {
     return Utils.logPrefix(
       ` ${this.chargingStation.stationInfo.chargingStationId} | ATG${
-        connectorId !== undefined ? ` on connector #${connectorId.toString()}` : ''
+        !Utils.isNullOrUndefined(connectorId) ? ` on connector #${connectorId.toString()}` : ''
       }:`
     );
-  }
+  };
 
   private handleStartTransactionResponse(
     connectorId: number,
@@ -438,7 +473,7 @@ export default class AutomaticTransactionGenerator extends AsyncResource {
     if (startResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
       this.connectorsStatus.get(connectorId).acceptedStartTransactionRequests++;
     } else {
-      logger.warn(this.logPrefix(connectorId) + ' start transaction rejected');
+      logger.warn(`${this.logPrefix(connectorId)} start transaction rejected`);
       this.connectorsStatus.get(connectorId).rejectedStartTransactionRequests++;
     }
   }