network-performance-monitor/dist/src/pingTest.js

A comprehensive network performance monitoring tool that continuously tests and tracks your network's performance over time

"use strict";
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var __importStar = (this && this.__importStar) || (function () {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.PingTest = void 0;
const ping = __importStar(require("ping"));
const config_1 = require("./config");
const logger_1 = require("./logger");
class PingTest {
    db;
    constructor(db) {
        this.db = db;
    }
    async testHost(host, networkName) {
        const result = {
            host,
            latency: null,
            packetLoss: null,
            error: null,
            success: false
        };
        try {
            const res = await ping.promise.probe(host, {
                timeout: 10,
                extra: ['-c', '4'] // Send 4 packets
            });
            if (res.alive) {
                result.latency = res.avg ? parseFloat(res.avg) : null;
                result.packetLoss = res.packetLoss ? parseFloat(res.packetLoss) : 0;
                result.success = true;
            }
            else {
                result.error = 'Host unreachable';
            }
        }
        catch (error) {
            result.error = error instanceof Error ? error.message : 'Unknown error';
        }
        // Log the result
        (0, logger_1.logTestResult)('PING', host, result.success, result.latency || undefined, result.error || undefined);
        // Store in database
        await this.db.insertPingResult(host, result.latency, result.packetLoss, result.error, networkName);
        // Update baseline if successful
        if (result.success && result.latency !== null) {
            await this.db.updateBaseline('ping', host, result.latency);
        }
        return result;
    }
    async testAllHosts(networkName) {
        const results = [];
        // Use DNS servers as ping targets
        for (const server of config_1.config.dns.servers) {
            const result = await this.testHost(server, networkName);
            results.push(result);
        }
        return results;
    }
    async checkForAnomalies(results) {
        let anomalyDetected = false;
        for (const result of results) {
            if (!result.success || result.latency === null) {
                // Any failure is an anomaly
                anomalyDetected = true;
                continue;
            }
            const baseline = await this.db.getBaseline('ping', result.host);
            if (baseline !== null && result.latency > baseline * config_1.config.thresholds.latencyMultiplier) {
                anomalyDetected = true;
                (0, logger_1.logTestResult)('PING_ANOMALY', result.host, false, result.latency, `Latency ${result.latency}ms exceeds threshold (baseline: ${baseline}ms)`);
            }
        }
        return anomalyDetected;
    }
}
exports.PingTest = PingTest;
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