syslog-portal/dist/services/healthMonitor.js

A portal for ingesting syslog data

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
import { inject, injectable, postConstruct, preDestroy } from 'inversify';
import { createServer, } from 'node:http';
import { TYPES } from '../types.js';
let HealthMonitor = class HealthMonitor {
    _entities = new Map();
    _expectedCheckInIntervals = new Map();
    _entityCheckIn = new Map();
    _log;
    _server;
    constructor(log) {
        this._log = log;
    }
    start() {
        this._log.info('Starting health ep server');
        this._server = createServer(this.requestHandler);
        this._server.listen(8080, '0.0.0.0');
        this._log.info('Finished starting health ep server');
        return Promise.resolve();
    }
    requestHandler(req, resp) {
        resp.writeHead(200);
        resp.end();
    }
    async stop() {
        this._log.info('Closing health ep server');
        if (this._server != null) {
            await new Promise((resolve, reject) => {
                this._server?.close((err) => {
                    if (err)
                        reject(err);
                    resolve(null);
                });
            });
        }
        this._log.info('Finished closing health ep server');
    }
    register(entityId, humanReadableName, expectedCheckInInterval) {
        this._entities.set(entityId, humanReadableName);
        this._expectedCheckInIntervals.set(entityId, expectedCheckInInterval);
    }
    unregister(entityId) {
        this._entities.delete(entityId);
        this._expectedCheckInIntervals.delete(entityId);
        this._entityCheckIn.delete(entityId);
    }
    kick(entityId) {
        this._entityCheckIn.set(entityId, Date.now());
    }
};
__decorate([
    postConstruct(),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", []),
    __metadata("design:returntype", Promise)
], HealthMonitor.prototype, "start", null);
__decorate([
    preDestroy(),
    __metadata("design:type", Function),
    __metadata("design:paramtypes", []),
    __metadata("design:returntype", Promise)
], HealthMonitor.prototype, "stop", null);
HealthMonitor = __decorate([
    injectable(),
    __param(0, inject(TYPES.Logger)),
    __metadata("design:paramtypes", [Object])
], HealthMonitor);
export { HealthMonitor };
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