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https://github.com/cesanta/mongoose.git
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533 lines
19 KiB
JavaScript
533 lines
19 KiB
JavaScript
'use strict';
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import {h, html, render, useEffect, useRef, useState} from './bundle.js';
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import {Button, Colored, Icons, Notification, Setting, tipColors} from './components.js';
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const Logo = props => html`<svg class=${props.class} xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12.87 12.85"><defs><style>.ll-cls-1{fill:none;stroke:#000;stroke-miterlimit:10;stroke-width:0.5px;}</style></defs><g id="Layer_2" data-name="Layer 2"><g id="Layer_1-2" data-name="Layer 1"><path class="ll-cls-1" d="M12.62,1.82V8.91A1.58,1.58,0,0,1,11,10.48H4a1.44,1.44,0,0,1-1-.37A.69.69,0,0,1,2.84,10l-.1-.12a.81.81,0,0,1-.15-.48V5.57a.87.87,0,0,1,.86-.86H4.73V7.28a.86.86,0,0,0,.86.85H9.42a.85.85,0,0,0,.85-.85V3.45A.86.86,0,0,0,10.13,3,.76.76,0,0,0,10,2.84a.29.29,0,0,0-.12-.1,1.49,1.49,0,0,0-1-.37H2.39V1.82A1.57,1.57,0,0,1,4,.25H11A1.57,1.57,0,0,1,12.62,1.82Z"/><path class="ll-cls-1" d="M10.48,10.48V11A1.58,1.58,0,0,1,8.9,12.6H1.82A1.57,1.57,0,0,1,.25,11V3.94A1.57,1.57,0,0,1,1.82,2.37H8.9a1.49,1.49,0,0,1,1,.37l.12.1a.76.76,0,0,1,.11.14.86.86,0,0,1,.14.47V7.28a.85.85,0,0,1-.85.85H8.13V5.57a.86.86,0,0,0-.85-.86H3.45a.87.87,0,0,0-.86.86V9.4a.81.81,0,0,0,.15.48l.1.12a.69.69,0,0,0,.13.11,1.44,1.44,0,0,0,1,.37Z"/></g></g></svg>`;
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const DefaultTopic = 'mg_mqtt_dashboard';
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const DefaultUrl = location.protocol == 'https:'
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? 'wss://broker.hivemq.com:8884/mqtt'
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: 'ws://broker.hivemq.com:8000/mqtt';
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const DefaultDeviceConfig = {pins: [], log_level: 0};
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let MqttClient;
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function Header({topic, setTopic, url, setUrl, connected}) {
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const forbiddenChars = ['$', '*', '+', '#', '/'];
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const onClick = () => {
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const isValidTopic = val => !forbiddenChars.some(char => val.includes(char));
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if (isValidTopic(topic)) {
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localStorage.setItem('topic', topic)
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setTopicFn(topic);
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window.location.reload();
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} else {
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setSaveResult('Error: The topic cannot contain these characters: ' + forbiddenChars);
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}
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};
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return html`
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<div class="top-0 py-2 border-b-2 bg-stone-100">
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<div class="flex px-4">
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<div class="flex grow gap-4">
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<h1 class="text-2xl font-semibold">MQTT Dashboard</h1>
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<small class="text-gray-500 mt-2.5">powered by Mongoose<//>
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<//>
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<div class="flex gap-2 items-center">
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<${Setting} value=${url} addonLeft="MQTT Server" cls="py-1 w-96" disabled=${connected} />
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<${Setting} value=${topic} addonLeft="Root Topic" cls="py-1" disabled=${connected} />
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<${Button} icon=${Icons.link} onclick=${onClick} title=${connected ? 'Disconnect' : 'Connect'} />
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<//>
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<//>
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<//>`;
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};
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function Sidebar({devices, onclick}) {
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const Td = props => html`
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<td class="whitespace-nowrap border-b border-slate-200 py-2 px-4 pr-3 text-sm text-slate-900">${
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props.text}</td>`;
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const Device = ({d}) => html`
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<div class="hover:bg-stone-100 cursor-pointer flex gap-3 px-4 py-2 justify-between"
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onclick=${ev => onclick(d.id)}>
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<span>${d.id}</span>
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<${Colored}
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colors=${d.online ? tipColors.green : tipColors.red}
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text=${d.online ? 'online' : 'offline'} />
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<//>`;
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return html`
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<div class="overflow-auto divide-y border-r xbasis-60 w-60 flex-none">
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<div class="font-light uppercase flex items-center text-gray-600 px-4 py-2 bg-stone-100">
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Devices
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<//>
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${(devices ? devices : []).map(d => h(Device, {d}))}
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<//>`;
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};
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function FirmwareStatus({title, info, children}) {
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const state =
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['UNAVAILABLE', 'FIRST_BOOT', 'NOT_COMMITTED',
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'COMMITTED'][(info.status || 0) % 4];
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const valid = info.status > 0;
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return html`
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<div class="bg-white divide-y border rounded">
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<div class="font-light bg-white uppercase flex items-center text-gray-600 px-4 py-2">
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${title}
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<//>
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<div class="px-4 py-2 relative">
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<div class="my-1">Status: ${state}<//>
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<div class="my-1">CRC32: ${valid ? info.crc32.toString(16) : 'n/a'}<//>
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<div class="my-1">Size: ${valid ? info.size : 'n/a'}<//>
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<div class="my-1">Flashed at: ${
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valid ? new Date(info.timestamp * 1000).toLocaleString() : 'n/a'}<//>
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${children}
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<//>
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<//>`;
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};
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function UploadFileButton(props) {
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const [upload, setUpload] = useState(null); // Upload promise
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const [status, setStatus] = useState({}); // Current upload status
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const btn = useRef(null);
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const input = useRef(null);
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const setStatusByID = function(message, id) {
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setStatus(prvStatus => ({...prvStatus, [id]: message}))
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};
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// Send a large file chunk by chunk
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const sendFileData = function(fileName, fileData, chunkSize) {
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return new Promise(function(resolve, reject) {
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const finish = ok => {
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setUpload(null);
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const res = props.onupload ?
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props.onupload(ok, fileName, fileData.length) :
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null;
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if (res && typeof (res.catch) === 'function') {
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res.catch(() => false).then(() => ok ? resolve() : reject());
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} else {
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ok ? resolve() : reject();
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}
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};
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const sendChunk = function(offset) {
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var chunk = fileData.subarray(offset, offset + chunkSize) || '';
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var ok;
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setStatusByID(
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'Uploading ' + fileName + ', bytes ' + offset + '..' +
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(offset + chunk.length) + ' of ' + fileData.length,
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props.id);
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const params = {
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chunk: btoa(String.fromCharCode.apply(null, chunk)),
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offset: offset,
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total: fileData.length
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};
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props.publishFn('ota.upload', params)
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.then(function(res) {
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if (res.result === 'ok' && chunk.length > 0)
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sendChunk(offset + chunk.length);
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ok = res.result === 'ok';
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return res;
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})
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.then(function(res) {
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if (!ok)
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setStatusByID('Error: ' + res.error, props.id),
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finish(ok); // Fail
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if (chunk.length > 0) return; // More chunks to send
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setStatus(x => x + '. Done, resetting device...');
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finish(ok); // All chunks sent
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})
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.catch(e => {
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setStatusByID('Error: timed out', props.id);
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finish(false)
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});
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};
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// setFailed(false);
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sendChunk(0);
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});
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};
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const onchange = function(ev) {
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if (!ev.target.files[0]) return;
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let r = new FileReader(), f = ev.target.files[0];
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r.readAsArrayBuffer(f);
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r.onload = function() {
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setUpload(sendFileData(f.name, new Uint8Array(r.result), 2048));
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ev.target.value = '';
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ev.preventDefault();
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btn && btn.current.base.click();
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};
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};
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const onclick = function(ev) {
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let fn;
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setUpload(x => fn = x);
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if (!fn) input.current.click(); // No upload in progress, show file dialog
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return fn;
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};
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if (props.clean) {
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setStatusByID(null, props.id)
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props.setCleanFn(false)
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}
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return html`
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<div class="inline-flex flex-col ${props.class}">
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<input class="hidden" type="file" ref=${input} onchange=${onchange} accept=${
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props.accept} />
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<${Button} title=${props.title} icon=${Icons.download} onclick=${
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onclick} ref=${btn} colors=${props.colors} disabled=${props.disabled} />
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<div class="py-2 text-sm text-slate-400 ${status || 'hidden'}">${
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status[props.id]}<//>
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<//>`;
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};
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function FirmwareUpdate({publishFn, disabled, info, deviceID}) {
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const [clean, setClean] = useState(false)
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const refresh = () => {};
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useEffect(refresh, []);
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const oncommit = ev => {
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publishFn('ota.commit')
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};
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const onreboot = ev => {
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publishFn('device.reset')
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};
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const onrollback = ev => {
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publishFn('ota.rollback')
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};
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const onerase = ev => {};
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const onupload = function(ok, name, size) {
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if (!ok) return false;
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return new Promise(r => setTimeout(ev => {
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refresh();
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r();
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}, 3000)).then(r => setClean(true));
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};
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const defaultInfo = {status: 0, crc32: 0, size: 0, timestamp: 0};
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return html`
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<div class="bg-slate-200 border rounded text-ellipsis overflow-auto mt-4">
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<div class="bg-white px-4 py-2 flex items-center justify-between font-light uppercase text-gray-600">
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Over-the-air firmware updates
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</div>
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<div class="gap-1 grid grid-cols-3 lg:grid-cols-3">
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<${FirmwareStatus} title="Current firmware image"
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info=${info[0] ? info[0] : defaultInfo}>
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<div class="flex flex-wrap gap-2">
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<${Button} title="Commit this firmware" onclick=${oncommit}
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icon=${Icons.thumbUp} disabled=${disabled} cls="w-full" />
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<//>
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<//>
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<${FirmwareStatus} title="Previous firmware image" info=${
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info[1] ? info[1] : defaultInfo}>
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<${Button} title="Rollback to this firmware" onclick=${onrollback}
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icon=${Icons.backward} disabled=${disabled} cls="w-full" />
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<//>
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<div class="bg-white xm-4 divide-y border rounded flex flex-col">
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<div class="font-light uppercase flex items-center text-gray-600 px-4 py-2">
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Device control
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<//>
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<div class="px-4 py-3 flex flex-col gap-2 grow">
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<${UploadFileButton}
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title="Upload new firmware: choose .bin file:"
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publishFn=${publishFn} onupload=${onupload} clean=${clean}
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setCleanFn=${setClean} disabled=${disabled}
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id=${deviceID} url="api/firmware/upload" accept=".bin,.uf2" />
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<div class="grow"><//>
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<${Button} title="Reboot device" onclick=${onreboot}
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icon=${Icons.refresh} disabled=${disabled} cls="w-full" />
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<${Button} title="Erase last sector" onclick=${onerase}
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icon=${Icons.doc} disabled=${disabled} cls="w-full hidden" />
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<//>
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<//>
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<//>
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<//>`;
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};
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function DeviceControlPanel({device, setDeviceConfig, publishFn, connected}) {
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const cfg = device && device.config ? device.config : DefaultDeviceConfig;
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const [localConfig, setLocalConfig] = useState(cfg);
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const [saveResult, setSaveResult] = useState(null);
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useEffect(() => setLocalConfig(cfg), [device]);
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const logOptions = [[0, 'Disable'], [1, 'Error'], [2, 'Info'], [3, 'Debug']];
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const mksetfn = k => (v => setLocalConfig(x => Object.assign({}, x, {[k]: v})));
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const onSave = ev => publishFn('config.set', localConfig).then(r => {
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setDeviceConfig(device.id, localConfig)
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setSaveResult('Success!')
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}).catch(e => {
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setDeviceConfig(device.id, device.config)
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setSaveResult('Failed!')
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})
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if (!device || !localConfig) {
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return html`
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<div class="flex grow text-gray-400 justify-center items-center text-xl">
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No device selected. Click on a device on a sidebar
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<//>`;
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}
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// To delete device, set an empty retained message
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const onforget = function(ev) {
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MqttClient.publish(device.topic, '', {retain: true});
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location.reload();
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};
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const mksetpin = (pin, val) => setLocalConfig(x => {
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let pins = x.pins.slice();
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pins[pin] = val ? 0 : 1;
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return Object.assign({}, x, {pins});
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});
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const settingstyle = 'inline-block mr-8 my-1 bg-gray-100 rounded px-2';
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const Pin = (value, pin) => html`
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<div class="${settingstyle} w-32">
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<${Setting}
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setfn=${ev => mksetpin(pin, value)}
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type="switch" value=${value} xcls="py-1 w-32 overflow-auto"
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disabled=${!device.online || !connected} title="Pin ${pin}" />
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<//>`;
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return html`
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<div class="flex-1 xgrow overflow-auto bg-gray-200 xpx-4 xpy-2 p-3">
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<div class="divide-y border rounded bg-white xbg-slate-100 my-y">
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<div class="px-4 py-2 flex justify-between items-center font-light uppercase text-gray-600 rounded">
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<div class="flex gap-2 items-center">
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<span>Device ${device.id}<//>
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${html`<${Colored}
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colors=${device.online ? tipColors.green : tipColors.red}
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text=${ device.online ? 'online' : 'offline'} />`}
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<//>
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<${Button} title="Forget this device"
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disabled=${device.online || !connected}
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icon=${Icons.fail} onclick=${onforget}/>
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<//>
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<div class="p-4 xgrid gap-3">
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${localConfig.pins.map((val, pin) => Pin(val, pin))}
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<div><//>
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<div class="${settingstyle} w-48">
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<${Setting} title="Log Level" type="select"
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value=${localConfig.log_level} setfn=${mksetfn('log_level')}
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options=${logOptions} disabled=${!device.online}/>
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<//>
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<div class="mt-3 flex justify-end">
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${saveResult && html`<${Notification} ok=${saveResult === 'Success!'}
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text=${saveResult} close=${() => setSaveResult(null)} />`}
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<${Button} icon=${Icons.save} onclick=${onSave}
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title="Save Settings" disabled=${!device.online} />
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<//>
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<//>
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<//>
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<${FirmwareUpdate} deviceID=${device.id} publishFn=${publishFn}
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disabled=${!device.online}
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info=${[localConfig.crnt_fw, localConfig.prev_fw]} />
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</div>`;
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}
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const App = function() {
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const [devices, setDevices] = useState([]);
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const [currentDevID, setCurrentDevID] = useState(localStorage.getItem('currentDevID') || '');
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const [loading, setLoading] = useState(true);
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const [url, setUrl] = useState(localStorage.getItem('url') || DefaultUrl);
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const [topic, setTopic] = useState(localStorage.getItem('topic') || DefaultTopic);
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const [error, setError] = useState(null);
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const [connected, setConnected] = useState(false);
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const responseHandlers = useRef({});
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function addResponseHandler(correlationId, handler) {
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responseHandlers[correlationId] = handler;
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}
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function removeResponseHandler(correlationId) {
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delete responseHandlers[correlationId];
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}
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const onRefresh = ev => window.location.reload();
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const initConn = () => {
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MqttClient = mqtt.connect(url, {connectTimeout: 5000, reconnectPeriod: 0});
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MqttClient.on('connect', () => {
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//console.log('Connected to the broker');
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setLoading(false);
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setError(null); // Reset error state upon successful connection
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setConnected(true);
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const statusTopic = topic + '/+/status'
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const txTopic = topic + '/+/tx'
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const subscribe = (topic) => {
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MqttClient.subscribe(topic, (err) => {
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if (err) {
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console.error('Error subscribing to topic:', err);
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setError('Error subscribing to topic');
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} else {
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//console.log('Successfully subscribed to ', topic);
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}
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});
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};
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subscribe(statusTopic)
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subscribe(txTopic)
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});
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MqttClient.on('message', (topic, message) => {
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// console.log(`Received message from ${topic}: ${message.toString()}`);
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if (message.length == 0) return;
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let response;
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try {
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response = JSON.parse(message.toString());
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} catch (err) {
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console.error(err);
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return;
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}
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if (topic.endsWith('/status')) {
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let device = {topic: topic, id: topic.split('/')[1], config: DefaultDeviceConfig};
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const params = response.params;
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if (!params) {
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console.error('Invalid response');
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return;
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}
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device.online = params.status === 'online'
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if (device.online) {
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device.config = params;
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if (!device.config.pins) device.config.pins = [];
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}
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setDevice(device)
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} else if (topic.endsWith('/tx')) {
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if (!response.id) {
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console.error('Invalid response');
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return;
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}
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const handler = responseHandlers[response.id];
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if (handler) {
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handler(response);
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removeResponseHandler(response.id);
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}
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}
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});
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MqttClient.on('error', (err) => {
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console.error('Connection error:', err);
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setError('Connection cannot be established.');
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});
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MqttClient.on('close', () => {
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if (!connected) {
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console.error('Failed to connect to the broker.');
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setError('Connection cannot be established.');
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setLoading(false);
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}
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});
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};
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useEffect(() => initConn(), []);
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const handlePublish = (methodName, parameters, timeout = 5000) => {
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return new Promise((resolve, reject) => {
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const randomIdGenerator = function(length) {
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return Math.random().toString(36).substring(2, length + 2);
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};
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const randomID = randomIdGenerator(40);
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const timeoutID = setTimeout(() => {
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removeResponseHandler(randomID);
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reject(new Error('Request timed out'));
|
|
}, timeout);
|
|
|
|
addResponseHandler(randomID, (messageData) => {
|
|
clearTimeout(timeoutID);
|
|
resolve(messageData);
|
|
});
|
|
|
|
if (currentDevID) {
|
|
const rxTopic = topic + `/${currentDevID}/rx`;
|
|
const rpcPayload = {method: methodName, id: randomID};
|
|
if (parameters) {
|
|
rpcPayload.params = parameters;
|
|
}
|
|
MqttClient.publish(rxTopic, JSON.stringify(rpcPayload));
|
|
}
|
|
});
|
|
};
|
|
|
|
const getDeviceByID = (deviceID) => devices.find(d => d.id === deviceID);
|
|
|
|
const setDevice = (devData) => {
|
|
setDevices(prevDevices => {
|
|
const devIndex =
|
|
prevDevices.findIndex(device => device.id === devData.id);
|
|
if (devIndex !== -1) {
|
|
if (!devData.online && !devData.config) {
|
|
const updatedDevices = [...prevDevices];
|
|
updatedDevices[devIndex].online = false;
|
|
return updatedDevices;
|
|
} else {
|
|
return prevDevices.map(device => device.id === devData.id ? devData : device);
|
|
}
|
|
} else {
|
|
return [...prevDevices, devData];
|
|
}
|
|
});
|
|
};
|
|
|
|
const setDeviceConfig = (deviceID, config) => {
|
|
setDevices(prevDevices => {
|
|
return prevDevices.map(device => {
|
|
if (device.id === deviceID) {
|
|
return {...device, config: config};
|
|
}
|
|
return device;
|
|
});
|
|
});
|
|
};
|
|
|
|
const onDeviceClick = (deviceID) => {
|
|
const device = getDeviceByID(deviceID);
|
|
if (device) {
|
|
setCurrentDevID(device.id);
|
|
localStorage.setItem('currentDevID', device.id);
|
|
}
|
|
};
|
|
|
|
if (error) {
|
|
return html`
|
|
<div class="min-h-screen bg-slate-100 flex flex-col">
|
|
<${Header}/>
|
|
<div class="flex-grow flex items-center justify-center">
|
|
<div class="bg-slate-300 p-8 rounded-lg shadow-md w-full max-w-md">
|
|
<h1 class="text-2xl font-bold text-gray-700 mb-4 text-center">Connection Error</h1>
|
|
<p class="text-gray-600 text-center mb-4">
|
|
Unable to connect to the MQTT broker.
|
|
</p>
|
|
<div class="text-center relative">
|
|
<${Button} title="Retry" onclick=${onRefresh}
|
|
icon=${Icons.refresh} class="absolute top-4 right-4" />
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>`;
|
|
}
|
|
|
|
return html`
|
|
<div class="h-full flex flex-col">
|
|
<${Header}
|
|
topic=${topic} setTopic=${setTopic} url=${url}
|
|
setUrl=${setUrl} connected=${connected}
|
|
/>
|
|
<div class="flex grow overflow-auto">
|
|
<${Sidebar} devices=${devices} onclick=${onDeviceClick} />
|
|
<${DeviceControlPanel}
|
|
device=${getDeviceByID(currentDevID)} connected=${connected}
|
|
setDeviceConfig=${setDeviceConfig} publishFn=${handlePublish}
|
|
/>
|
|
<//>
|
|
<//>`;
|
|
};
|
|
|
|
window.onload = () => render(h(App), document.body);
|