eSlider
ea062af86a
Explorer and exporter were scanning the full Parquet lake every 1–5s (~2000 files, 200MB+), driving ~2.2 CPU cores. Limit metrics to the last N flights, cache DuckDB views and the partition tree, slow live polls to 2s, and keep drones alive after seal to stop restart churn. Add node-exporter, scan-duration metrics, and a Swarm Platform Grafana dashboard for node CPU/memory and scan health.
395 lines
13 KiB
TypeScript
395 lines
13 KiB
TypeScript
import { useEffect, useMemo, useRef, useState } from "react";
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import { DEFAULT_EXPLORER_URL, fetchLivePoses, toLiveWorld } from "./live";
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import {
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AREA,
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MAX_ASPECT,
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areaWidth,
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fmtBytes,
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makeWorld,
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seed,
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tick,
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type World,
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} from "./sim";
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const VIEW = 1000;
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const PANEL_W = 320;
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const HEADER_H = 70;
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// Patrol field aspect ratio for the current window: wide monitors get a
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// wider field instead of empty side margins. Quantized to 0.25 steps so
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// minor resizes don't rebuild the world.
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function displayAspect(): number {
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const w = Math.max(320, window.innerWidth - PANEL_W);
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const h = Math.max(320, window.innerHeight - HEADER_H);
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const q = Math.round((w / h) * 4) / 4;
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return Math.max(1, Math.min(MAX_ASPECT, q));
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}
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const LIVE_POLL_MS = 2000;
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export default function App(): JSX.Element {
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const [droneCount, setDroneCount] = useState(8);
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const [speedup, setSpeedup] = useState(1);
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const [paused, setPaused] = useState(false);
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const [aspect, setAspect] = useState(displayAspect);
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const [mode, setMode] = useState<"sim" | "live">("sim");
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const [liveError, setLiveError] = useState<string | null>(null);
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const [world, setWorld] = useState<World>(() => {
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seed(42);
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return makeWorld(8, displayAspect());
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});
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const raf = useRef(0);
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const last = useRef(performance.now());
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const liveWorld = useRef<World | null>(null);
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useEffect(() => {
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seed(42);
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setWorld(makeWorld(droneCount, aspect));
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}, [droneCount, aspect]);
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useEffect(() => {
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let timer = 0;
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const onResize = (): void => {
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window.clearTimeout(timer);
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timer = window.setTimeout(() => setAspect(displayAspect()), 250);
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};
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window.addEventListener("resize", onResize);
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return () => {
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window.clearTimeout(timer);
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window.removeEventListener("resize", onResize);
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};
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}, []);
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useEffect(() => {
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if (mode !== "sim") return;
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const loop = (now: number): void => {
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const dt = Math.min(0.05, (now - last.current) / 1000);
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last.current = now;
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if (!paused && dt > 0) {
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setWorld((w) => tick(w, dt * speedup));
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}
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raf.current = requestAnimationFrame(loop);
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};
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raf.current = requestAnimationFrame(loop);
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return () => cancelAnimationFrame(raf.current);
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}, [paused, speedup, mode]);
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// Live mode: poll the explorer's read-only SQL API for real poses
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useEffect(() => {
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if (mode !== "live") return;
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let cancelled = false;
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const poll = async (): Promise<void> => {
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try {
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const poses = await fetchLivePoses(DEFAULT_EXPLORER_URL);
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if (cancelled) return;
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setLiveError(poses.length === 0 ? "no drone data in the lake yet" : null);
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liveWorld.current = toLiveWorld(poses, liveWorld.current, LIVE_POLL_MS / 1000);
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setWorld(liveWorld.current);
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} catch (err) {
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if (!cancelled) setLiveError(err instanceof Error ? err.message : String(err));
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}
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};
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void poll();
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const timer = window.setInterval(() => void poll(), LIVE_POLL_MS);
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return () => {
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cancelled = true;
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window.clearInterval(timer);
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};
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}, [mode]);
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useEffect(() => {
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if (mode === "sim") {
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liveWorld.current = null;
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setLiveError(null);
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seed(42);
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setWorld(makeWorld(droneCount, aspect));
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}
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// eslint-disable-next-line react-hooks/exhaustive-deps -- reset only on mode change
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}, [mode]);
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const activeLinks = useMemo(
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() => [...world.links.values()].sort((a, b) => b.rate - a.rate),
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[world.links],
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);
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const busiest = activeLinks.slice(0, 6);
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return (
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<div style={styles.shell}>
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<header style={styles.header}>
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<div>
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<div style={styles.title}>SWARM HOUSE</div>
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<div style={styles.subtitle}>
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swarm data plane — pose broadcast + opportunistic bulk sync
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</div>
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</div>
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<div style={styles.controls}>
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<button
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style={{ ...styles.button, ...(mode === "live" ? styles.buttonActive : {}) }}
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onClick={() => setMode((m) => (m === "sim" ? "live" : "sim"))}
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title={`live source: ${DEFAULT_EXPLORER_URL}`}
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>
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{mode === "sim" ? "go live" : "back to sim"}
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</button>
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{mode === "live" && (
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<span style={liveError ? styles.liveError : styles.liveOk}>
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{liveError ?? `live · ${DEFAULT_EXPLORER_URL}`}
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</span>
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)}
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{mode === "sim" && (
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<>
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<label style={styles.label}>
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drones
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<input
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type="range"
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min={3}
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max={24}
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value={droneCount}
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onChange={(e) => setDroneCount(Number(e.target.value))}
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/>
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<span style={styles.value}>{droneCount}</span>
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</label>
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<label style={styles.label}>
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speed
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<input
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type="range"
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min={0.5}
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max={6}
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step={0.5}
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value={speedup}
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onChange={(e) => setSpeedup(Number(e.target.value))}
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/>
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<span style={styles.value}>{speedup}x</span>
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</label>
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<button style={styles.button} onClick={() => setPaused((p) => !p)}>
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{paused ? "resume" : "pause"}
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</button>
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</>
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)}
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</div>
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</header>
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<div style={styles.main}>
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<svg
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viewBox={`0 0 ${sx(areaWidth())} ${VIEW}`}
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style={styles.canvas}
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preserveAspectRatio="xMidYMid meet"
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>
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<defs>
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<radialGradient id="ground" cx="50%" cy="50%" r="75%">
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<stop offset="0%" stopColor="#101826" />
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<stop offset="100%" stopColor="#0a0f18" />
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</radialGradient>
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</defs>
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<rect width={sx(areaWidth())} height={VIEW} fill="url(#ground)" />
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{gridLines()}
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{/* Mesh links */}
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{activeLinks.map((l) => {
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const a = world.drones[l.a];
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const b = world.drones[l.b];
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if (!a || !b) return null;
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const mx = (a.pos.x + b.pos.x) / 2;
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const my = (a.pos.y + b.pos.y) / 2;
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const hot = l.rate > 20_000;
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return (
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<g key={l.key}>
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<line
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x1={sx(a.pos.x)}
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y1={sy(a.pos.y)}
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x2={sx(b.pos.x)}
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y2={sy(b.pos.y)}
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stroke={hot ? "#39d98a" : "#3d7bd9"}
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strokeWidth={hot ? 2.2 : 1}
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opacity={0.25 + l.flash * 0.75}
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/>
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{hot && (
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<text x={sx(mx)} y={sy(my) - 6} style={styles.linkLabel as never}>
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{fmtBytes(l.rate)}/s · Σ{fmtBytes(l.totalUp + l.totalDown)}
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</text>
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)}
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</g>
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);
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})}
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{/* Obstacles */}
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{world.obstacles.map((ob) => (
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<g key={ob.id}>
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<circle
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cx={sx(ob.pos.x)}
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cy={sy(ob.pos.y)}
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r={(ob.radius / AREA) * VIEW}
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fill={ob.moving ? "#5a2a35" : "#2a3245"}
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stroke={ob.moving ? "#c05a6a" : "#46536e"}
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strokeWidth={1.5}
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opacity={0.85}
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/>
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{ob.moving && (
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<text x={sx(ob.pos.x)} y={sy(ob.pos.y) + 4} style={styles.obLabel as never}>
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transit
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</text>
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)}
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</g>
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))}
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{/* Drones */}
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{world.drones.map((d) => (
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<g
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key={d.id}
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transform={`translate(${sx(d.pos.x)} ${sy(d.pos.y)}) rotate(${(d.heading * 180) / Math.PI + 90})`}
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>
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<polygon points="0,-11 7,9 0,5 -7,9" fill="#e8ecf4" stroke="#7ea0d0" strokeWidth={1} />
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<text y={24} style={styles.droneLabel as never} transform={`rotate(${-((d.heading * 180) / Math.PI + 90)})`}>
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{d.name ?? `dr-${String(d.id + 1).padStart(2, "0")} · ch${d.channel}`} · {d.battery.toFixed(0)}%
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</text>
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</g>
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))}
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</svg>
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<aside style={styles.panel}>
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<Section title="Mission">
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<Stat name="sim time" value={`${world.t.toFixed(0)} s`} />
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<Stat name="drones" value={String(world.drones.length)} />
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<Stat name="active links" value={String(world.links.size)} />
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<Stat name="pose broadcasts" value={String(world.broadcasts)} />
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<Stat name="total transferred" value={fmtBytes(world.totalBytes)} />
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</Section>
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<Section title="Busiest links">
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{busiest.map((l) => (
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<div key={l.key} style={styles.linkRow}>
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<span style={styles.linkName}>
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{world.drones[l.a]?.name ?? `dr-${String(l.a + 1).padStart(2, "0")}`} ↔{" "}
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{world.drones[l.b]?.name ?? `dr-${String(l.b + 1).padStart(2, "0")}`}
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</span>
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<span style={styles.linkStat}>
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{fmtBytes(l.rate)}/s · ↑{fmtBytes(l.totalUp)} ↓{fmtBytes(l.totalDown)}
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</span>
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</div>
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))}
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{busiest.length === 0 && <div style={styles.dim}>no links in range</div>}
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</Section>
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<Section title="Legend">
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<div style={styles.dim}>blue line — pose broadcast (5 Hz, ~46 B)</div>
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<div style={styles.dim}>green line — bulk sync (sealed partitions)</div>
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<div style={styles.dim}>flash — broadcast event delivered</div>
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<div style={styles.dim}>red circle — transit object crossing the area</div>
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</Section>
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</aside>
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</div>
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</div>
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);
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}
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function sx(x: number): number {
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return (x / AREA) * VIEW;
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}
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function sy(y: number): number {
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return (y / AREA) * VIEW;
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}
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function gridLines(): JSX.Element {
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const width = sx(areaWidth());
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const step = VIEW / 10; // one cell per 100 m in both directions
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const lines = [];
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for (let p = step; p < width; p += step) {
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lines.push(
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<line key={`v${p}`} x1={p} y1={0} x2={p} y2={VIEW} stroke="#1a2436" strokeWidth={1} />,
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);
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}
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for (let p = step; p < VIEW; p += step) {
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lines.push(
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<line key={`h${p}`} x1={0} y1={p} x2={width} y2={p} stroke="#1a2436" strokeWidth={1} />,
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);
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}
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return <g>{lines}</g>;
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}
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function Section({ title, children }: { title: string; children: React.ReactNode }): JSX.Element {
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return (
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<div style={styles.section}>
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<div style={styles.sectionTitle}>{title}</div>
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{children}
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</div>
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);
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}
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function Stat({ name, value }: { name: string; value: string }): JSX.Element {
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return (
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<div style={styles.statRow}>
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<span style={styles.dim}>{name}</span>
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<span style={styles.statValue}>{value}</span>
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</div>
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);
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}
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const styles: Record<string, React.CSSProperties> = {
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shell: {
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minHeight: "100vh",
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background: "#070b12",
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color: "#dde4f0",
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fontFamily: "'JetBrains Mono', ui-monospace, monospace",
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display: "flex",
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flexDirection: "column",
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},
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header: {
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display: "flex",
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justifyContent: "space-between",
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alignItems: "center",
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padding: "14px 22px",
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borderBottom: "1px solid #1a2436",
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flexWrap: "wrap",
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gap: 12,
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},
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title: { fontSize: 18, fontWeight: 700, letterSpacing: 4, color: "#8fb4e8" },
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subtitle: { fontSize: 11, color: "#5a6a85", marginTop: 2 },
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controls: { display: "flex", gap: 18, alignItems: "center", flexWrap: "wrap" },
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label: { display: "flex", gap: 8, alignItems: "center", fontSize: 12, color: "#8b98b0" },
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value: { minWidth: 30, color: "#dde4f0" },
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button: {
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background: "#16233a",
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color: "#8fb4e8",
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border: "1px solid #2a3c5c",
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borderRadius: 6,
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padding: "6px 16px",
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fontFamily: "inherit",
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fontSize: 12,
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cursor: "pointer",
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},
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buttonActive: { background: "#1a3a2a", color: "#39d98a", borderColor: "#2a5c3c" },
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liveOk: { fontSize: 11, color: "#39d98a" },
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liveError: { fontSize: 11, color: "#c05a6a" },
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main: { display: "flex", flex: 1, gap: 0, minHeight: 0 },
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canvas: { flex: 1, minWidth: 0, display: "block" },
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panel: {
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width: 320,
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borderLeft: "1px solid #1a2436",
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padding: 16,
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overflowY: "auto",
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background: "#0a0f18",
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},
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section: { marginBottom: 22 },
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sectionTitle: {
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fontSize: 11,
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letterSpacing: 2,
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color: "#5a6a85",
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textTransform: "uppercase",
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marginBottom: 10,
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borderBottom: "1px solid #1a2436",
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paddingBottom: 5,
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},
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statRow: { display: "flex", justifyContent: "space-between", padding: "3px 0", fontSize: 12 },
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statValue: { color: "#8fb4e8" },
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linkRow: {
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display: "flex",
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flexDirection: "column",
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padding: "4px 0",
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fontSize: 11,
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borderBottom: "1px dotted #141d2e",
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},
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linkName: { color: "#c8d2e4" },
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linkStat: { color: "#5a8c6e", fontSize: 10, marginTop: 1 },
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dim: { color: "#5a6a85", fontSize: 11, padding: "2px 0" },
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linkLabel: { fill: "#39d98a", fontSize: 10, textAnchor: "middle", fontFamily: "inherit" },
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droneLabel: { fill: "#6a7a95", fontSize: 9, textAnchor: "middle", fontFamily: "inherit" },
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obLabel: { fill: "#c05a6a", fontSize: 9, textAnchor: "middle", fontFamily: "inherit" },
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};
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