156 lines
4.1 KiB
JavaScript
156 lines
4.1 KiB
JavaScript
// app.js (оркестратор)
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import { fetchHealth, fetchHistory } from "./data.js";
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import { state, smooth, addSignals, resetBufferTracking } from "./state.js";
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import {
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initDOM,
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setStatus,
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setMeta,
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setBars,
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setSignal,
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DOM
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} from "./ui.js";
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import { initAccordion } from "./accordion.js";
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import { drawChart } from "./chart.js";
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let lastChart = 0;
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let connectionLost = false;
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let consecutiveErrors = 0;
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const MAX_ERRORS = 3;
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let pollTimer = null;
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// ================= INIT =================
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window.addEventListener("DOMContentLoaded", () => {
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initDOM();
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initAccordion();
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});
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// ================= UPDATE =================
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async function update() {
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try {
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const [h, hist] = await Promise.all([
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fetchHealth(),
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fetchHistory()
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]);
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consecutiveErrors = 0;
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if (connectionLost) {
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console.log("[app] Соединение восстановлено");
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}
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// ===== STATUS =====
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const isOnline = h.pipe_alive && h.has_data;
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if (isOnline) {
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setStatus("На связи");
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connectionLost = false;
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} else {
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setStatus("Нет связи", true);
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if (!connectionLost) {
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resetBufferTracking();
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}
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connectionLost = true;
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}
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const arr = Array.isArray(hist.bytes) ? hist.bytes : [];
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const raw = arr[arr.length - 1] ?? 0;
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// ===== ДОБАВЛЯЕМ ТОЛЬКО НОВЫЕ БАЙТЫ =====
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if (arr.length > 0 && isOnline) {
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const bufferSize = h.stats?.filled ?? 0;
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addSignals(arr, bufferSize);
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}
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// ===== DECODE =====
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const value = raw & 0x3F;
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const level = (raw >> 6) & 0x3;
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const percent = (value / 63) * 100;
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// ===== UI =====
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if (isOnline) {
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setBars(smooth(percent));
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setSignal(level);
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} else {
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setBars(0, true);
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setSignal(0, true);
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}
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if (DOM.lastByte) {
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DOM.lastByte.textContent = isOnline ? value : "--";
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}
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// ===== META =====
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const uptime = Math.round(h.uptime_sec || 0);
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const filled = h.stats?.filled ?? 0;
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const Bps = Math.round(h.stats?.bytes_per_sec ?? 0);
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setMeta(
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`Работа: ${uptime}s | Буфер: ${filled} | Приём: ${Bps} B/s`
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);
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// ===== HISTORY =====
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if (DOM.history) {
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DOM.history.innerHTML = arr
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.map((b, i) =>
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`[${i}] ${(b & 0xFF).toString(2).padStart(8, "0")} = ${b & 0xFF}`
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)
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.join("<br>");
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}
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// ===== CHART =====
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const now = performance.now();
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if (now - lastChart > 100 && DOM.canvas) {
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drawChart(DOM.canvas, state.signalHistory);
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lastChart = now;
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}
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} catch (e) {
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consecutiveErrors++;
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if (consecutiveErrors === 1) {
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console.warn("[app] Сервер недоступен, ждём...");
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}
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setStatus("СЕРВЕР НЕДОСТУПЕН", true);
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setBars(0, true);
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setSignal(0, true);
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resetBufferTracking();
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if (DOM.lastByte) {
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DOM.lastByte.textContent = "--";
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}
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if (consecutiveErrors >= MAX_ERRORS) {
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clearInterval(pollTimer);
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pollTimer = setInterval(update, 2000);
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console.log("[app] Замедлили опрос до 2с");
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}
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}
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}
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// ================= RECONNECT LOGIC =================
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function startPolling() {
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if (pollTimer) clearInterval(pollTimer);
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if (consecutiveErrors > 0) {
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console.log("[app] Попытка переподключения...");
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update();
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}
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pollTimer = setInterval(update, 500);
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}
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window.addEventListener("focus", () => {
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if (consecutiveErrors >= MAX_ERRORS) {
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console.log("[app] Окно в фокусе, ускоряем опрос");
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consecutiveErrors = 0;
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startPolling();
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}
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});
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// ================= START =================
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startPolling();
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update(); |