69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
#include "INDEX_HTML.h"
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const char *INDEX_HTML = R"(<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta name="viewport" content="width=device-width, user-scalable=no">
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<title>TEST</title>
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<style>
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body {
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font-size: 4vw;
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}
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@media (min-width: 1200px) {
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body {
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font-size: 16px;
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}
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}
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</style>
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</head>
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<body>
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<pre id="content"></pre>
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<pre id="time"></pre>
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<script>
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const time = document.getElementById("time");
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const content = document.getElementById("content");
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let last = null;
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function updateTime() {
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if (last === null) {
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time.innerText = "Noch keine Daten";
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return;
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}
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const ageSeconds = Math.floor((Date.now() - last) / 1000);
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if (ageSeconds === 0) {
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time.innerText = "Gerade eben";
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} else {
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time.innerText = "Vor " + ageSeconds + " Sekunde" + (ageSeconds === 1 ? "" : "n");
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}
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}
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function connect() {
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console.log("connecting websocket...");
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const host = location.host || "10.0.0.119";
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const port = location.port || "80";
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const socket = new WebSocket(`ws://${host}:${port}/ws`);
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socket.timeout = 1;
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socket.addEventListener('open', _ => console.log('websocket connected'));
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socket.addEventListener('message', event => {
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last = Date.now();
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updateTime();
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const parsed = JSON.parse(event.data);
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console.log("websocket received", parsed);
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content.innerText = JSON.stringify(parsed, null, 2);
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});
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socket.addEventListener('close', _ => {
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console.log('websocket disconnected');
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connect();
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});
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}
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updateTime();
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connect();
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setInterval(updateTime, 1000);
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</script>
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</body>
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</html>
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)";
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