From: Jérôme Benoit Date: Thu, 31 Dec 2020 23:34:36 +0000 (+0100) Subject: Improve charging station registration handling. X-Git-Tag: v1.0.1-0~152^2~16 X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=32a1eb7ab66964e5beb8b79082782761329e0705;p=e-mobility-charging-stations-simulator.git Improve charging station registration handling. Signed-off-by: Jérôme Benoit --- diff --git a/package-lock.json b/package-lock.json index 6e921dec..52473840 100644 --- a/package-lock.json +++ b/package-lock.json @@ -592,28 +592,28 @@ } }, "@nodelib/fs.scandir": { - "version": "2.1.3", - "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.3.tgz", - "integrity": "sha512-eGmwYQn3gxo4r7jdQnkrrN6bY478C3P+a/y72IJukF8LjB6ZHeB3c+Ehacj3sYeSmUXGlnA67/PmbM9CVwL7Dw==", + "version": "2.1.4", + "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.4.tgz", + "integrity": "sha512-33g3pMJk3bg5nXbL/+CY6I2eJDzZAni49PfJnL5fghPTggPvBd/pFNSgJsdAgWptuFu7qq/ERvOYFlhvsLTCKA==", "dev": true, "requires": { - "@nodelib/fs.stat": "2.0.3", + "@nodelib/fs.stat": "2.0.4", "run-parallel": "^1.1.9" } }, "@nodelib/fs.stat": { - "version": "2.0.3", - "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.3.tgz", - "integrity": "sha512-bQBFruR2TAwoevBEd/NWMoAAtNGzTRgdrqnYCc7dhzfoNvqPzLyqlEQnzZ3kVnNrSp25iyxE00/3h2fqGAGArA==", + "version": "2.0.4", + "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.4.tgz", + "integrity": "sha512-IYlHJA0clt2+Vg7bccq+TzRdJvv19c2INqBSsoOLp1je7xjtr7J26+WXR72MCdvU9q1qTzIWDfhMf+DRvQJK4Q==", "dev": true }, "@nodelib/fs.walk": { - 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"@typescript-eslint/eslint-plugin": "^4.11.0", - "@typescript-eslint/parser": "^4.11.0", + "@typescript-eslint/eslint-plugin": "^4.11.1", + "@typescript-eslint/parser": "^4.11.1", "clinic": "^8.0.1", "cross-env": "^7.0.3", "eslint": "^7.16.0", diff --git a/src/charging-station/ChargingStation.ts b/src/charging-station/ChargingStation.ts index 4c042eaa..7bdcf6e1 100644 --- a/src/charging-station/ChargingStation.ts +++ b/src/charging-station/ChargingStation.ts @@ -20,6 +20,7 @@ import MeasurandValues from '../types/MeasurandValues'; import OCPPError from './OcppError'; import Statistics from '../utils/Statistics'; import Utils from '../utils/Utils'; +import { WebSocketCloseEventStatusCode } from '../types/WebSocket'; import crypto from 'crypto'; import fs from 'fs'; import logger from '../utils/Logger'; @@ -109,8 +110,8 @@ export default class ChargingStation { this._configuration = this._getTemplateChargingStationConfiguration(); this._supervisionUrl = this._getSupervisionURL(); this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name; - this._connectionTimeout = this._getConnectionTimeout() * 1000; // Ms, zero for disabling - this._autoReconnectMaxRetries = this._getAutoReconnectMaxRetries(); // -1 for unlimited + this._connectionTimeout = this._getConnectionTimeout() * 1000; // Ms, 0 for disabling + this._autoReconnectMaxRetries = this._getAutoReconnectMaxRetries(); // -1 for unlimited, 0 for disabling // Build connectors if needed const maxConnectors = this._getMaxNumberOfConnectors(); if (maxConnectors <= 0) { @@ -143,7 +144,7 @@ export default class ChargingStation { if ((this._stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) { for (let index = 1; index <= maxConnectors; index++) { const randConnectorID = this._stationInfo.randomConnectors ? Utils.getRandomInt(Utils.convertToInt(lastConnector), 1) : index; - this._connectors[index] = Utils.cloneObject(this._stationInfo.Connectors[randConnectorID]) ; + this._connectors[index] = Utils.cloneObject(this._stationInfo.Connectors[randConnectorID]); } } } @@ -184,6 +185,14 @@ export default class ChargingStation { return Utils.logPrefix(` ${this._stationInfo.name}:`); } + _isWebSocketOpen(): boolean { + return this._wsConnection?.readyState === WebSocket.OPEN; + } + + _isRegistered(): boolean { + return this._bootNotificationResponse?.status === RegistrationStatus.ACCEPTED; + } + _getTemplateChargingStationConfiguration(): ChargingStationConfiguration { return this._stationInfo.Configuration ? this._stationInfo.Configuration : {} as ChargingStationConfiguration; } @@ -267,6 +276,13 @@ export default class ChargingStation { return -1; } + _getRegistrationMaxRetries(): number { + if (!Utils.isUndefined(this._stationInfo.registrationMaxRetries)) { + return this._stationInfo.registrationMaxRetries; + } + return -1; + } + _getPowerDivider(): number { let powerDivider = this._getNumberOfConnectors(); if (this._stationInfo.powerSharedByConnectors) { @@ -339,7 +355,7 @@ export default class ChargingStation { } _getSupervisionURL(): string { - const supervisionUrls = Utils.cloneObject(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs()) ; + const supervisionUrls = Utils.cloneObject(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs()); let indexUrl = 0; if (!Utils.isEmptyArray(supervisionUrls)) { if (Configuration.getDistributeStationsToTenantsEqually()) { @@ -427,7 +443,7 @@ export default class ChargingStation { const webSocketPingInterval: number = this._getConfigurationKey('WebSocketPingInterval') ? Utils.convertToInt(this._getConfigurationKey('WebSocketPingInterval').value) : 0; if (webSocketPingInterval > 0 && !this._webSocketPingSetInterval) { this._webSocketPingSetInterval = setInterval(() => { - if (this._wsConnection?.readyState === WebSocket.OPEN) { + if (this._isWebSocketOpen()) { this._wsConnection.ping((): void => { }); } }, webSocketPingInterval * 1000); @@ -543,7 +559,7 @@ export default class ChargingStation { if (Utils.isUndefined(options.handshakeTimeout)) { options.handshakeTimeout = this._connectionTimeout; } - if (this._wsConnection?.readyState === WebSocket.OPEN && forceCloseOpened) { + if (this._isWebSocketOpen() && forceCloseOpened) { this._wsConnection.close(); } this._wsConnection = new WebSocket(this._wsConnectionUrl, 'ocpp' + Constants.OCPP_VERSION_16, options); @@ -578,7 +594,7 @@ export default class ChargingStation { await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.UNAVAILABLE); } } - if (this._wsConnection?.readyState === WebSocket.OPEN) { + if (this._isWebSocketOpen()) { this._wsConnection.close(); } this._bootNotificationResponse = null; @@ -586,7 +602,6 @@ export default class ChargingStation { } async _reconnect(error): Promise { - logger.error(this._logPrefix() + ' Socket: abnormally closed: %j', error); // Stop heartbeat this._stopHeartbeat(); // Stop the ATG if needed @@ -611,52 +626,52 @@ export default class ChargingStation { async onOpen(): Promise { logger.info(`${this._logPrefix()} Is connected to server through ${this._wsConnectionUrl}`); - if (!this._hasSocketRestarted || this._hasStopped) { + if (!this._isRegistered()) { // Send BootNotification - this._bootNotificationResponse = await this.sendBootNotification(); - } - if (this._bootNotificationResponse.status === RegistrationStatus.ACCEPTED) { - await this._startMessageSequence(); - } else { + let registrationRetryCount = 0; do { - await Utils.sleep(this._bootNotificationResponse.interval * 1000); - // Resend BootNotification this._bootNotificationResponse = await this.sendBootNotification(); - } while (this._bootNotificationResponse.status !== RegistrationStatus.ACCEPTED); + if (!this._isRegistered()) { + registrationRetryCount++; + await Utils.sleep(this._bootNotificationResponse.interval * 1000); + } + } while (!this._isRegistered() && (registrationRetryCount <= this._getRegistrationMaxRetries() || this._getRegistrationMaxRetries() === -1)); } - if (this._hasSocketRestarted && this._bootNotificationResponse.status === RegistrationStatus.ACCEPTED) { - if (!Utils.isEmptyArray(this._messageQueue)) { - this._messageQueue.forEach((message, index) => { - if (this._wsConnection?.readyState === WebSocket.OPEN) { + if (this._isRegistered()) { + await this._startMessageSequence(); + if (this._hasSocketRestarted && this._isWebSocketOpen()) { + if (!Utils.isEmptyArray(this._messageQueue)) { + this._messageQueue.forEach((message, index) => { this._messageQueue.splice(index, 1); this._wsConnection.send(message); - } - }); + }); + } } + } else { + logger.error(`${this._logPrefix()} Registration: max retries reached (${this._getRegistrationMaxRetries()}) or retry disabled (${this._getRegistrationMaxRetries()})`); } this._autoReconnectRetryCount = 0; this._hasSocketRestarted = false; } async onError(errorEvent): Promise { - switch (errorEvent.code) { - case 'ECONNREFUSED': - await this._reconnect(errorEvent); - break; - default: - logger.error(this._logPrefix() + ' Socket error: %j', errorEvent); - break; - } + logger.error(this._logPrefix() + ' Socket error: %j', errorEvent); + // pragma switch (errorEvent.code) { + // case 'ECONNREFUSED': + // await this._reconnect(errorEvent); + // break; + // } } async onClose(closeEvent): Promise { switch (closeEvent) { - case 1000: // Normal close - case 1005: - logger.info(this._logPrefix() + ' Socket normally closed: %j', closeEvent); + case WebSocketCloseEventStatusCode.CLOSE_NORMAL: // Normal close + case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS: + logger.info(`${this._logPrefix()} Socket normally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`); this._autoReconnectRetryCount = 0; break; default: // Abnormal close + logger.error(`${this._logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`); await this._reconnect(closeEvent); break; } @@ -1053,8 +1068,8 @@ export default class ChargingStation { messageToSend = JSON.stringify([messageType, messageId, commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : '', commandParams.details ? commandParams.details : {}]); break; } - // Check if wsConnection is ready - if (this._wsConnection?.readyState === WebSocket.OPEN) { + // Check if wsConnection opened and charging station registered + if (this._isWebSocketOpen() && (this._isRegistered() || commandName === 'BootNotification')) { if (this.getEnableStatistics()) { this._statistics.addMessage(commandName, messageType); } diff --git a/src/types/ChargingStationTemplate.ts b/src/types/ChargingStationTemplate.ts index 59eebc40..9af61810 100644 --- a/src/types/ChargingStationTemplate.ts +++ b/src/types/ChargingStationTemplate.ts @@ -42,6 +42,7 @@ export default interface ChargingStationTemplate { resetTime?: number; connectionTimeout?: number; autoReconnectMaxRetries?: number; + registrationMaxRetries?: number; reconnectExponentialDelay?: boolean; enableStatistics?: boolean; voltageOut?: number; diff --git a/src/types/WebSocket.ts b/src/types/WebSocket.ts new file mode 100644 index 00000000..0799f7b4 --- /dev/null +++ b/src/types/WebSocket.ts @@ -0,0 +1,37 @@ +export const WebSocketCloseEventStatusString: Record = Object.freeze({ + 1000: 'Normal Closure', + 1001: 'Going Away', + 1002: 'Protocol Error', + 1003: 'Unsupported Frame Data', + 1004: 'Reserved', + 1005: 'No Status Received', + 1006: 'Abnormal Closure', + 1007: 'Invalid Frame Payload Data', + 1008: 'Policy Violation', + 1009: 'Message Too Large', + 1010: 'Missing Extension', + 1011: 'Server Internal Error', + 1012: 'Service Restart', + 1013: 'Try Again Later', + 1014: 'Bad Gateway', + 1015: 'TLS Handshake' +}); + +export enum WebSocketCloseEventStatusCode { + CLOSE_NORMAL = 1000, + CLOSE_GOING_AWAY = 1001, + CLOSE_PROTOCOL_ERROR = 1002, + CLOSE_UNSUPPORTED = 1003, + CLOSE_RESERVED = 1004, + CLOSE_NO_STATUS = 1005, + CLOSE_ABNORMAL = 1006, + CLOSE_INVALID_PAYLOAD = 1007, + CLOSE_POLICY_VIOLATION = 1008, + CLOSE_TOO_LARGE = 1009, + CLOSE_MISSING_EXTENSION = 1010, + CLOSE_SERVER_INTERNAL_ERROR = 1011, + CLOSE_SERVICE_RESTART = 1012, + CLOSE_TRY_AGAIN_LATER = 1013, + CLOSE_BAD_GATEWAY = 1014, + CLOSE_TLS_HANDSHAKE = 1015 +} diff --git a/src/utils/Constants.ts b/src/utils/Constants.ts index c61a3197..812b3227 100644 --- a/src/utils/Constants.ts +++ b/src/utils/Constants.ts @@ -4,8 +4,6 @@ export default class Constants { static readonly ENTITY_CHARGING_STATION = 'ChargingStation'; static readonly ENTITY_AUTOMATIC_TRANSACTION_GENERATOR = 'AutomaticTransactionGenerator'; - static readonly WS_UNSUPPORTED_DATA = 1007; - static readonly OCPP_RESPONSE_ACCEPTED = Object.freeze({ status: DefaultStatus.ACCEPTED }); static readonly OCPP_RESPONSE_REJECTED = Object.freeze({ status: DefaultStatus.REJECTED }); static readonly OCPP_CONFIGURATION_RESPONSE_ACCEPTED = Object.freeze({ status: ConfigurationStatus.ACCEPTED }); diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts index 226f54c4..9969e229 100644 --- a/src/utils/Utils.ts +++ b/src/utils/Utils.ts @@ -1,3 +1,4 @@ +import { WebSocketCloseEventStatusString } from '../types/WebSocket'; import { v4 as uuid } from 'uuid'; export default class Utils { @@ -156,7 +157,7 @@ export default class Utils { } static isNullOrUndefined(value): boolean { - // eslint-disable-next-line no-eq-null + // eslint-disable-next-line no-eq-null, eqeqeq if (value == null) { return true; } @@ -188,4 +189,24 @@ export default class Utils { const randomSum = delay * 0.2 * Math.random(); // 0-20% of the delay return delay + randomSum; } + + static getWebSocketCloseEventStatusString(code: number): string { + if (code >= 0 && code <= 999) { + return '(Unused)'; + } else if (code >= 1016) { + if (code <= 1999) { + return '(For WebSocket standard)'; + } else if (code <= 2999) { + return '(For WebSocket extensions)'; + } else if (code <= 3999) { + return '(For libraries and frameworks)'; + } else if (code <= 4999) { + return '(For applications)'; + } + } + if (!Utils.isUndefined(WebSocketCloseEventStatusString[code])) { + return WebSocketCloseEventStatusString[code]; + } + return '(Unknown)'; + } }