Remove DigitalOcean. Add B2, 7 S3 endpoints across all continents (Cape Town, London, Bahrain, Tokyo, Sydney, Oregon, São Paulo), and 4 GCS locational endpoints (Iowa, Belgium, Singapore, Sydney) for cross-provider latency comparison.
677 lines
24 KiB
JavaScript
677 lines
24 KiB
JavaScript
import "./styles.css";
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// --- Configuration -----------------------------------------------------------
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// Timing, axis labels, and display constants. Latency above maxLatency is
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// clamped to "unreachable". The sparkline Y-axis is capped at
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// graphMaxLatency — values above it pin to the top of the chart but still
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// display their real value in the latency figure. The history buffer holds
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// maxHistoryPoints samples (historyDuration / updateInterval).
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const CONFIG = Object.freeze({
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updateInterval: 2000,
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historyDuration: 300,
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requestTimeout: 1500,
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maxLatency: 1500,
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graphMaxLatency: 1000,
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yAxisTicks: [0, 250, 500, 750, 1000],
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xAxisTicks: [0, 60, 120, 180, 240, 300],
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canvasHeight: 80,
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get maxHistoryPoints() {
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return Math.ceil((this.historyDuration * 1000) / this.updateInterval);
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},
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});
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// WAN endpoints to monitor. These are used for the aggregate health/stats
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// display (min/max/avg). Ordered: personal, LLM APIs, big-3 cloud, then
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// CDN/hosting/other.
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const WAN_HOSTS = [
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{ name: "datavi.be", url: "https://datavi.be" },
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{ name: "Anthropic API", url: "https://api.anthropic.com" },
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{ name: "OpenAI API", url: "https://api.openai.com" },
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{ name: "AWS Console", url: "https://console.aws.amazon.com" },
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{ name: "Google Cloud Console", url: "https://console.cloud.google.com" },
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{ name: "Microsoft Azure", url: "https://portal.azure.com" },
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{ name: "Cloudflare", url: "https://www.cloudflare.com" },
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{ name: "Fastly CDN", url: "https://www.fastly.com" },
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{ name: "Akamai", url: "https://www.akamai.com" },
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{ name: "GitHub", url: "https://github.com" },
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{ name: "B2", url: "https://api.backblazeb2.com" },
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{
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name: "S3 af-south-1 Cape Town (Africa)",
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url: "https://s3.af-south-1.amazonaws.com",
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},
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{
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name: "S3 eu-west-2 London (Europe)",
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url: "https://s3.eu-west-2.amazonaws.com",
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},
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{
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name: "S3 me-south-1 Bahrain (Middle East)",
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url: "https://s3.me-south-1.amazonaws.com",
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},
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{
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name: "S3 ap-northeast-1 Tokyo (Asia)",
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url: "https://s3.ap-northeast-1.amazonaws.com",
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},
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{
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name: "S3 ap-southeast-2 Sydney (Oceania)",
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url: "https://s3.ap-southeast-2.amazonaws.com",
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},
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{
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name: "S3 us-west-2 Oregon (North America)",
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url: "https://s3.us-west-2.amazonaws.com",
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},
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{
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name: "S3 sa-east-1 São Paulo (South America)",
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url: "https://s3.sa-east-1.amazonaws.com",
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},
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// GCS locational endpoints — compare GCP routing vs AWS per-continent
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{
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name: "GCS us-central1 Iowa (North America)",
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url: "https://storage.us-central1.rep.googleapis.com",
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},
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{
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name: "GCS europe-west1 Belgium (Europe)",
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url: "https://storage.europe-west1.rep.googleapis.com",
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},
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{
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name: "GCS asia-southeast1 Singapore (Asia)",
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url: "https://storage.asia-southeast1.rep.googleapis.com",
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},
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{
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name: "GCS australia-southeast1 Sydney (Oceania)",
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url: "https://storage.australia-southeast1.rep.googleapis.com",
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},
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];
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// The cable modem / CPE upstream of the local gateway — always monitored.
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const LOCAL_CPE = { name: "Local CPE", url: "http://192.168.100.1" };
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// Common default gateway addresses. On startup we probe each one and use
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// whichever responds first as the "Local Gateway" monitor target.
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//
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// NOTE: Modern browsers enforce Private Network Access (PNA) restrictions
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// that block pages served from public origins from making requests to
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// RFC1918 addresses. These local targets will likely only work when
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// NetWatch is served from localhost or another private address.
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const GATEWAY_CANDIDATES = [
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"http://192.168.1.1",
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"http://192.168.0.1",
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"http://192.168.8.1",
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"http://10.0.0.1",
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];
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// --- Gateway Detection -------------------------------------------------------
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// Probe each gateway candidate with a short timeout. Returns the first one
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// that responds, or null if none do. We race them all in parallel and take
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// whichever wins.
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async function detectGateway() {
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try {
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const result = await Promise.any(
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GATEWAY_CANDIDATES.map(async (url) => {
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const controller = new AbortController();
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const timeoutId = setTimeout(() => controller.abort(), 1500);
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try {
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await fetch(url, {
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method: "HEAD",
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mode: "no-cors",
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cache: "no-store",
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signal: controller.signal,
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});
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clearTimeout(timeoutId);
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return { name: "Local Gateway", url };
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} catch {
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clearTimeout(timeoutId);
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throw new Error("no response");
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}
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}),
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);
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return result;
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} catch {
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// All candidates failed
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return null;
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}
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}
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// --- App State ---------------------------------------------------------------
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class HostState {
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constructor(host) {
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this.name = host.name;
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this.url = host.url;
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this.history = []; // { timestamp, latency, paused }
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this.lastLatency = null;
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this.status = "pending"; // 'online' | 'offline' | 'error' | 'pending'
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}
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pushSample(timestamp, result) {
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this.history.push({
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timestamp,
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latency: result.latency,
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error: result.error,
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});
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this._trim();
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this.lastLatency = result.latency;
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if (result.error === "timeout") this.status = "error";
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else if (result.error) this.status = "offline";
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else this.status = "online";
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}
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pushPaused(timestamp) {
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this.history.push({ timestamp, latency: null, paused: true });
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this._trim();
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}
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averageLatency() {
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const valid = this.history.filter((p) => p.latency !== null);
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if (valid.length === 0) return null;
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return Math.round(
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valid.reduce((s, p) => s + p.latency, 0) / valid.length,
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);
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}
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_trim() {
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while (this.history.length > CONFIG.maxHistoryPoints)
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this.history.shift();
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}
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}
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class AppState {
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constructor(localHosts) {
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this.wan = WAN_HOSTS.map((h) => new HostState(h));
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this.local = localHosts.map((h) => new HostState(h));
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this.paused = false;
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}
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get allHosts() {
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return [...this.wan, ...this.local];
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}
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/** WAN-only stats from latest sample (excludes local) */
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wanStats() {
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const reachable = this.wan.filter((h) => h.lastLatency !== null);
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const latencies = reachable.map((h) => h.lastLatency);
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const total = this.wan.length;
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if (latencies.length === 0)
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return { reachable: 0, total, min: null, max: null, avg: null };
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return {
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reachable: latencies.length,
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total,
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min: Math.min(...latencies),
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max: Math.max(...latencies),
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avg: Math.round(
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latencies.reduce((a, b) => a + b, 0) / latencies.length,
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),
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};
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}
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/** Overall health: true = healthy (more than half WAN reachable) */
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isHealthy() {
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const reachable = this.wan.filter((h) => h.lastLatency !== null).length;
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return reachable > this.wan.length / 2;
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}
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}
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// --- Latency Measurement -----------------------------------------------------
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async function measureLatency(url) {
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const controller = new AbortController();
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const timeoutId = setTimeout(
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() => controller.abort(),
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CONFIG.requestTimeout,
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);
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const targetUrl = new URL(url);
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targetUrl.searchParams.set("_cb", Date.now().toString());
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const start = performance.now();
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try {
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await fetch(targetUrl.toString(), {
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method: "HEAD",
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mode: "no-cors",
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cache: "no-store",
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signal: controller.signal,
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});
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const latency = Math.round(performance.now() - start);
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clearTimeout(timeoutId);
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if (latency > CONFIG.maxLatency)
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return { latency: null, error: "timeout" };
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return { latency, error: null };
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} catch (err) {
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clearTimeout(timeoutId);
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if (err.name === "AbortError")
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return { latency: null, error: "timeout" };
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return { latency: null, error: "unreachable" };
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}
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}
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// --- Color Helpers -----------------------------------------------------------
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function latencyHex(latency) {
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if (latency === null) return "#6b7280";
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if (latency < 50) return "#22c55e";
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if (latency < 100) return "#84cc16";
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if (latency < 200) return "#eab308";
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if (latency < 500) return "#f97316";
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return "#ef4444";
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}
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function latencyClass(latency, status) {
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if (status === "offline" || status === "error" || latency === null)
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return "text-gray-500";
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if (latency < 50) return "text-green-500";
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if (latency < 100) return "text-lime-500";
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if (latency < 200) return "text-yellow-500";
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if (latency < 500) return "text-orange-500";
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return "text-red-500";
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}
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// --- Sparkline Renderer ------------------------------------------------------
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class SparklineRenderer {
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static MARGIN = { left: 35, right: 10, top: 5, bottom: 18 };
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static draw(canvas, history) {
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const ctx = canvas.getContext("2d");
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const dpr = window.devicePixelRatio || 1;
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const w = canvas.width / dpr;
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const h = canvas.height / dpr;
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const m = SparklineRenderer.MARGIN;
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const cw = w - m.left - m.right;
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const ch = h - m.top - m.bottom;
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ctx.clearRect(0, 0, w, h);
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SparklineRenderer._drawYAxis(ctx, w, h, m, ch);
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SparklineRenderer._drawXAxis(ctx, w, h, m, cw);
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const len = history.length;
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const pw = cw / (CONFIG.maxHistoryPoints - 1);
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const getX = (i) => m.left + cw - (len - 1 - i) * pw;
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const getY = (lat) =>
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m.top +
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ch -
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(Math.min(lat, CONFIG.graphMaxLatency) / CONFIG.graphMaxLatency) *
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ch;
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SparklineRenderer._drawErrors(ctx, history, getX, m.top, ch);
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SparklineRenderer._drawLine(ctx, history, getX, getY);
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SparklineRenderer._drawTip(ctx, history, getX, getY);
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}
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static _drawYAxis(ctx, w, h, m, ch) {
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ctx.font = "9px monospace";
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ctx.textAlign = "right";
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ctx.textBaseline = "middle";
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for (const tick of CONFIG.yAxisTicks) {
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const y = m.top + ch - (tick / CONFIG.graphMaxLatency) * ch;
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ctx.strokeStyle = "rgba(255,255,255,0.1)";
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ctx.lineWidth = 1;
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ctx.beginPath();
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ctx.moveTo(m.left, y);
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ctx.lineTo(w - m.right, y);
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ctx.stroke();
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ctx.fillStyle = "rgba(255,255,255,0.5)";
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ctx.fillText(`${tick}`, m.left - 4, y);
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}
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}
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static _drawXAxis(ctx, w, h, m, cw) {
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ctx.textAlign = "center";
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ctx.textBaseline = "top";
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for (const tick of CONFIG.xAxisTicks) {
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const x = m.left + cw - (tick / CONFIG.historyDuration) * cw;
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ctx.fillStyle = "rgba(255,255,255,0.5)";
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ctx.fillText(`-${tick}s`, x, h - m.bottom + 4);
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}
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}
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static _drawErrors(ctx, history, getX, top, ch) {
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ctx.fillStyle = "rgba(239, 68, 68, 0.2)";
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let inErr = false,
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start = 0;
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for (let i = 0; i < history.length; i++) {
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const p = history[i];
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const x = getX(i);
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// Only real errors, not paused gaps
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const isError = p.latency === null && !p.paused;
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if (isError && !inErr) {
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inErr = true;
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start = x;
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} else if (!isError && inErr) {
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inErr = false;
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ctx.fillRect(start, top, x - start, ch);
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}
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}
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if (inErr)
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ctx.fillRect(start, top, getX(history.length - 1) - start + 5, ch);
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}
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static _drawLine(ctx, history, getX, getY) {
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ctx.lineWidth = 2;
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ctx.lineCap = "round";
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ctx.lineJoin = "round";
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let prev = null;
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for (let i = 0; i < history.length; i++) {
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const p = history[i];
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if (p.latency === null) {
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prev = null;
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continue;
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}
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const x = getX(i),
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y = getY(p.latency);
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if (prev) {
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ctx.strokeStyle = latencyHex(p.latency);
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ctx.beginPath();
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ctx.moveTo(prev.x, prev.y);
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ctx.lineTo(x, y);
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ctx.stroke();
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}
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prev = { x, y };
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}
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}
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static _drawTip(ctx, history, getX, getY) {
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for (let i = history.length - 1; i >= 0; i--) {
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if (history[i].latency !== null) {
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const x = getX(i),
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y = getY(history[i].latency);
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ctx.fillStyle = latencyHex(history[i].latency);
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ctx.beginPath();
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ctx.arc(x, y, 3, 0, Math.PI * 2);
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ctx.fill();
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return;
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}
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}
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}
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static sizeCanvas(canvas) {
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const dpr = window.devicePixelRatio || 1;
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const rect = canvas.getBoundingClientRect();
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canvas.width = rect.width * dpr;
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canvas.height = CONFIG.canvasHeight * dpr;
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const ctx = canvas.getContext("2d");
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ctx.setTransform(1, 0, 0, 1, 0, 0);
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ctx.scale(dpr, dpr);
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}
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}
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// --- UI Renderer -------------------------------------------------------------
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function hostRowHTML(host, index) {
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return `
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<div class="host-row bg-gray-800/50 rounded-lg p-4 border border-gray-700/50" data-index="${index}">
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<div class="flex items-center gap-4">
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<div class="w-48 flex-shrink-0">
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<div class="flex items-center gap-2">
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<div class="w-3 h-3 rounded-full" style="background-color: ${latencyHex(null)}"></div>
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<span class="font-medium text-white truncate">${host.name}</span>
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</div>
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<a href="${host.url}" target="_blank" rel="noopener" class="text-xs text-gray-500 mt-1 truncate block">${host.url}</a>
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</div>
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<div class="w-32 flex-shrink-0 text-right">
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<div class="latency-value text-4xl font-bold tabular-nums" data-host="${index}">
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<span class="text-gray-500">---</span>
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</div>
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<div class="status-text text-xs text-gray-500 mt-1" data-host="${index}">waiting...</div>
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</div>
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<div class="flex-grow sparkline-container rounded overflow-hidden border border-gray-700/30">
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<canvas class="sparkline-canvas w-full" data-host="${index}" height="${CONFIG.canvasHeight}"></canvas>
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</div>
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</div>
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</div>`;
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}
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function buildUI(state) {
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const app = document.getElementById("app");
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app.innerHTML = `
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<div class="max-w-7xl mx-auto px-4 py-8">
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<header class="mb-8">
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<div class="flex items-center justify-between mb-4">
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<h1 class="text-3xl font-bold text-white">NetWatch</h1>
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<button id="pause-btn"
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class="flex items-center gap-3 px-6 py-3 bg-gray-800 hover:bg-gray-700 border border-gray-600 rounded-lg transition-colors focus:outline-none focus:ring-2 focus:ring-blue-500">
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<svg id="pause-icon" class="w-8 h-8 text-yellow-400" fill="currentColor" viewBox="0 0 24 24">
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<rect x="6" y="4" width="4" height="16" rx="1"/><rect x="14" y="4" width="4" height="16" rx="1"/>
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</svg>
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<svg id="play-icon" class="w-8 h-8 text-green-400 hidden" fill="currentColor" viewBox="0 0 24 24">
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<path d="M8 5v14l11-7z"/>
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</svg>
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<span id="pause-text" class="text-lg font-semibold text-white">Pause</span>
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</button>
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</div>
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<p class="text-gray-400 text-sm">
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Real-time network latency monitor |
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<span class="text-gray-500">Updates every ${CONFIG.updateInterval / 1000}s</span> |
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<span class="text-gray-500">History: ${CONFIG.historyDuration}s</span> |
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<span id="status-indicator" class="text-green-400">Running</span>
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</p>
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<div id="health-box" class="mt-4 p-3 bg-gray-800/70 rounded-lg border border-gray-700/50 font-mono text-sm text-center">
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<span id="health-text" class="text-gray-400">Waiting for data...</span>
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</div>
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<div id="summary" class="mt-2 p-3 bg-gray-800/70 rounded-lg border border-gray-700/50 font-mono text-sm">
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<span class="text-gray-400">Reachable:</span> <span id="summary-reachable" class="text-white">--/--</span>
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<span class="text-gray-600 mx-3">|</span>
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<span class="text-gray-400">Min:</span> <span id="summary-min" class="text-green-400">--ms</span>
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<span class="text-gray-600 mx-3">|</span>
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<span class="text-gray-400">Max:</span> <span id="summary-max" class="text-red-400">--ms</span>
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<span class="text-gray-600 mx-3">|</span>
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<span class="text-gray-400">Avg:</span> <span id="summary-avg" class="text-yellow-400">--ms</span>
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</div>
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|
</header>
|
|
|
|
<div id="wan-hosts" class="space-y-4">
|
|
${state.wan.map((h, i) => hostRowHTML(h, i)).join("")}
|
|
</div>
|
|
|
|
<h2 class="text-gray-500 text-xs uppercase tracking-wide mt-6 mb-3">Local Network</h2>
|
|
<div id="local-hosts" class="space-y-4">
|
|
${state.local.map((h, i) => hostRowHTML(h, state.wan.length + i)).join("")}
|
|
</div>
|
|
|
|
<footer class="mt-8 text-center text-gray-600 text-xs">
|
|
<p>Latency measured via HEAD requests | IPv4 only | CORS restrictions may affect some measurements</p>
|
|
<p class="mt-2">
|
|
<span class="inline-block w-3 h-3 rounded-full bg-green-500 mr-1 align-middle"></span><50ms
|
|
<span class="inline-block w-3 h-3 rounded-full bg-lime-500 mr-1 ml-3 align-middle"></span><100ms
|
|
<span class="inline-block w-3 h-3 rounded-full bg-yellow-500 mr-1 ml-3 align-middle"></span><200ms
|
|
<span class="inline-block w-3 h-3 rounded-full bg-orange-500 mr-1 ml-3 align-middle"></span><500ms
|
|
<span class="inline-block w-3 h-3 rounded-full bg-red-500 mr-1 ml-3 align-middle"></span>>500ms
|
|
<span class="inline-block w-3 h-3 rounded-full bg-gray-500 mr-1 ml-3 align-middle"></span>offline
|
|
</p>
|
|
</footer>
|
|
</div>`;
|
|
|
|
requestAnimationFrame(() => {
|
|
document
|
|
.querySelectorAll(".sparkline-canvas")
|
|
.forEach((c) => SparklineRenderer.sizeCanvas(c));
|
|
});
|
|
}
|
|
|
|
// --- UI Updaters -------------------------------------------------------------
|
|
|
|
function updateHostRow(host, index) {
|
|
const latencyEl = document.querySelector(
|
|
`.latency-value[data-host="${index}"]`,
|
|
);
|
|
const statusEl = document.querySelector(
|
|
`.status-text[data-host="${index}"]`,
|
|
);
|
|
const canvas = document.querySelector(
|
|
`.sparkline-canvas[data-host="${index}"]`,
|
|
);
|
|
if (!latencyEl || !statusEl || !canvas) return;
|
|
|
|
if (host.lastLatency !== null) {
|
|
const cls = latencyClass(host.lastLatency, host.status);
|
|
latencyEl.innerHTML = `<span class="${cls}">${host.lastLatency}<span class="text-lg">ms</span></span>`;
|
|
} else if (host.status === "offline" || host.status === "error") {
|
|
latencyEl.innerHTML = `<span class="text-gray-500">---</span>`;
|
|
}
|
|
|
|
const avg = host.averageLatency();
|
|
if (host.status === "online" && avg !== null) {
|
|
statusEl.textContent = `avg: ${avg}ms`;
|
|
statusEl.className = `status-text text-xs mt-1 ${latencyClass(avg, "online")}`;
|
|
} else if (host.status === "offline") {
|
|
statusEl.textContent = "unreachable";
|
|
statusEl.className = "status-text text-xs text-red-400 mt-1";
|
|
} else if (host.status === "error") {
|
|
statusEl.textContent = "timeout";
|
|
statusEl.className = "status-text text-xs text-orange-400 mt-1";
|
|
} else {
|
|
statusEl.textContent = "connecting...";
|
|
statusEl.className = "status-text text-xs text-gray-500 mt-1";
|
|
}
|
|
|
|
SparklineRenderer.draw(canvas, host.history);
|
|
}
|
|
|
|
function updateSummary(state) {
|
|
const stats = state.wanStats();
|
|
|
|
const reachableEl = document.getElementById("summary-reachable");
|
|
const minEl = document.getElementById("summary-min");
|
|
const maxEl = document.getElementById("summary-max");
|
|
const avgEl = document.getElementById("summary-avg");
|
|
if (!reachableEl) return;
|
|
|
|
reachableEl.textContent = `${stats.reachable}/${stats.total}`;
|
|
reachableEl.className =
|
|
stats.reachable === stats.total
|
|
? "text-green-400"
|
|
: stats.reachable === 0
|
|
? "text-red-400"
|
|
: "text-yellow-400";
|
|
|
|
if (stats.min !== null) {
|
|
minEl.textContent = `${stats.min}ms`;
|
|
minEl.className = latencyClass(stats.min, "online");
|
|
maxEl.textContent = `${stats.max}ms`;
|
|
maxEl.className = latencyClass(stats.max, "online");
|
|
avgEl.textContent = `${stats.avg}ms`;
|
|
avgEl.className = latencyClass(stats.avg, "online");
|
|
} else {
|
|
for (const el of [minEl, maxEl, avgEl]) {
|
|
el.textContent = "--ms";
|
|
el.className = "text-gray-500";
|
|
}
|
|
}
|
|
}
|
|
|
|
function updateHealthBox(state) {
|
|
const el = document.getElementById("health-text");
|
|
const box = document.getElementById("health-box");
|
|
if (!el || !box) return;
|
|
|
|
const anyData = state.wan.some((h) => h.status !== "pending");
|
|
if (!anyData) return;
|
|
|
|
const healthy = state.isHealthy();
|
|
el.textContent = healthy ? "HEALTHY" : "DEGRADED";
|
|
el.className = healthy
|
|
? "text-green-400 font-bold"
|
|
: "text-red-400 font-bold";
|
|
box.className = `mt-4 p-3 rounded-lg border font-mono text-sm text-center ${
|
|
healthy
|
|
? "bg-green-900/20 border-green-700/50"
|
|
: "bg-red-900/20 border-red-700/50"
|
|
}`;
|
|
}
|
|
|
|
// --- Main Loop ---------------------------------------------------------------
|
|
|
|
async function tick(state) {
|
|
const ts = Date.now();
|
|
|
|
if (state.paused) {
|
|
// No probes — just push a paused marker so the chart keeps scrolling
|
|
for (const host of state.allHosts) {
|
|
host.pushPaused(ts);
|
|
}
|
|
// Redraw sparklines only
|
|
state.allHosts.forEach((host, i) => {
|
|
const canvas = document.querySelector(
|
|
`.sparkline-canvas[data-host="${i}"]`,
|
|
);
|
|
if (canvas) SparklineRenderer.draw(canvas, host.history);
|
|
});
|
|
return;
|
|
}
|
|
|
|
const results = await Promise.all(
|
|
state.allHosts.map((h) => measureLatency(h.url)),
|
|
);
|
|
|
|
state.allHosts.forEach((host, i) => {
|
|
host.pushSample(ts, results[i]);
|
|
updateHostRow(host, i);
|
|
});
|
|
|
|
updateSummary(state);
|
|
updateHealthBox(state);
|
|
}
|
|
|
|
// --- Pause / Resume ----------------------------------------------------------
|
|
|
|
function togglePause(state) {
|
|
state.paused = !state.paused;
|
|
const pauseIcon = document.getElementById("pause-icon");
|
|
const playIcon = document.getElementById("play-icon");
|
|
const pauseText = document.getElementById("pause-text");
|
|
const indicator = document.getElementById("status-indicator");
|
|
|
|
if (state.paused) {
|
|
pauseIcon.classList.add("hidden");
|
|
playIcon.classList.remove("hidden");
|
|
pauseText.textContent = "Resume";
|
|
indicator.textContent = "Paused";
|
|
indicator.className = "text-yellow-400";
|
|
} else {
|
|
pauseIcon.classList.remove("hidden");
|
|
playIcon.classList.add("hidden");
|
|
pauseText.textContent = "Pause";
|
|
indicator.textContent = "Running";
|
|
indicator.className = "text-green-400";
|
|
}
|
|
}
|
|
|
|
// --- Resize ------------------------------------------------------------------
|
|
|
|
function handleResize(state) {
|
|
document.querySelectorAll(".sparkline-canvas").forEach((canvas, i) => {
|
|
SparklineRenderer.sizeCanvas(canvas);
|
|
const host = state.allHosts[i];
|
|
if (host) SparklineRenderer.draw(canvas, host.history);
|
|
});
|
|
}
|
|
|
|
// --- Bootstrap ---------------------------------------------------------------
|
|
|
|
async function init() {
|
|
// Probe common gateway IPs to find the local router
|
|
const gateway = await detectGateway();
|
|
const localHosts = [LOCAL_CPE];
|
|
if (gateway) localHosts.push(gateway);
|
|
|
|
const state = new AppState(localHosts);
|
|
buildUI(state);
|
|
|
|
document
|
|
.getElementById("pause-btn")
|
|
.addEventListener("click", () => togglePause(state));
|
|
|
|
tick(state);
|
|
setInterval(() => tick(state), CONFIG.updateInterval);
|
|
|
|
window.addEventListener("resize", () => handleResize(state));
|
|
setTimeout(() => handleResize(state), 100);
|
|
}
|
|
|
|
if (document.readyState === "loading") {
|
|
document.addEventListener("DOMContentLoaded", init);
|
|
} else {
|
|
init();
|
|
}
|