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thePR0M3TH3ANandClaude Opus 4.8
35c4e68cde
Headless Playwright probes that reproduce the real login path via a fake window.nostr extension (which loginWithNsec bypasses) and measure steady-state extension-call and relay-REQ rates: - nip07-heat.mjs, req-capture.mjs, ws-lifecycle.mjs, loopc-capture.mjs, etc. Plus js/devReqMonitor.js: a localhost-only WebSocket REQ-rate monitor that warns in-console when relay traffic spikes, naming the storming kinds — used to capture the real-environment storm the mock-relay harness could not see. Removable once the refactor lands. Co-Authored-By: Claude Opus 4.8 <[email protected]>
54 lines
1.8 KiB
JavaScript
54 lines
1.8 KiB
JavaScript
// Watch websocket connection lifecycle while logged in: are sockets flapping
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// (reconnect storm) or staying open (app-level re-subscription)?
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//
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// Usage: node scripts/perf/ws-lifecycle.mjs [seconds]
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import { chromium } from "playwright";
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import { randomBytes } from "node:crypto";
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const seconds = Number(process.argv[2] || 12);
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const url = "http://localhost:3000/?__test__=1";
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const hexKey = randomBytes(32).toString("hex");
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const opensByHost = new Map();
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const closesByHost = new Map();
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let measuring = false;
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const host = (u) => {
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try { return new URL(u).host; } catch { return u; }
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};
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const browser = await chromium.launch({ headless: true });
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const page = await (await browser.newContext()).newPage();
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page.on("websocket", (ws) => {
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const h = host(ws.url());
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if (measuring) opensByHost.set(h, (opensByHost.get(h) || 0) + 1);
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ws.on("close", () => {
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if (measuring) closesByHost.set(h, (closesByHost.get(h) || 0) + 1);
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});
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});
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await page.goto(url, { waitUntil: "domcontentloaded", timeout: 30000 });
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try {
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await page.waitForFunction(() => !!window.__bitvidTest__?.loginWithNsec, { timeout: 15000 });
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await page.evaluate((k) => window.__bitvidTest__.loginWithNsec(k), hexKey);
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} catch (e) {
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console.log("login error:", e.message);
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}
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measuring = true;
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const start = Date.now();
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await page.waitForTimeout(seconds * 1000);
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const elapsed = (Date.now() - start) / 1000;
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await browser.close();
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console.log(`\n=== WebSocket lifecycle (${elapsed.toFixed(1)}s, post-login) ===`);
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const hosts = new Set([...opensByHost.keys(), ...closesByHost.keys()]);
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for (const h of hosts) {
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const o = opensByHost.get(h) || 0;
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const c = closesByHost.get(h) || 0;
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console.log(` ${h.padEnd(28)} opens=${String(o).padStart(4)} (${(o / elapsed).toFixed(1)}/s) closes=${String(c).padStart(4)} (${(c / elapsed).toFixed(1)}/s)`);
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}
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console.log("");
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