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Duplicate main WebVM page in preparation for Alpine demo
2024-09-22 16:02:04 +00:00
<!DOCTYPE html>
<html lang="en" style="height:100%;">
<meta property="og:image" content="https://webvm.io/assets/reddit.png"/>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=1100, initial-scale=1.0">
<title>WebVM - Linux virtualization in WebAssembly</title>
<meta name="description" content="Server-less virtual machine, networking included, running browser-side in HTML5/WebAssembly. Code in any programming language inside this Linux terminal.">
<meta name="keywords" content="WebVM, Virtual Machine, CheerpX, x86 virtualization, WebAssembly, Tailscale, JIT">
<meta property="og:title" content="WebVM - Linux virtualization in WebAssembly" />
<meta property="og:type" content="website" />
<meta property="og:site_name" content="WebVM"/>
<meta property="og:image" content="https://webvm.io/assets/social.png" />
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:site" content="@leaningtech" />
<meta name="twitter:title" content="WebVM - Linux virtualization in WebAssembly" />
<meta name="twitter:description" content="Server-less virtual machine, networking included, running browser-side in HTML5/WebAssembly. Code in any programming language inside this Linux terminal.">
<meta name="twitter:image" content="https://webvm.io/assets/social.png" />
<!-- Apple iOS web clip compatibility tags -->
<meta name="application-name" content="WebVM" />
<meta name="apple-mobile-web-app-title" content="WebVM" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<link rel="shortcut icon" href="./tower.ico">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="stylesheet" id="us-fonts-css" href="https://fonts.googleapis.com/css?family=Montserrat%3A300%2C400%2C500%2C600%2C700&amp;display=swap&amp;ver=6.0.2" media="all">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/github-fork-ribbon-css/0.2.3/gh-fork-ribbon.min.css" />
<link rel="stylesheet" href="./xterm/xterm.css" />
<link rel="stylesheet" href="./scrollbar.css" />
<style>.github-fork-ribbon:before { background-color: #ea1e69; }</style>
<!-- Serviceworker script that adds the COI and CORS headers to the response headers in cases where the server does not support it. -->
<script src="serviceWorker.js"></script>
<script src="./xterm/xterm.js"></script>
<script src="./xterm/xterm-addon-fit.js"></script>
<script src="./xterm/xterm-addon-web-links.js"></script>
<script src="network.js"></script>
</head>
<body style="margin:0;height:100%;background:black;color:white;overflow:hidden; display:flex; flex-direction: column; justify-content: space-between; height: 100%;">
<a class="github-fork-ribbon right-bottom" href="https://github.com/leaningtech/webvm/" target="_blank" data-ribbon="Fork me on GitHub" title="Fork me on GitHub">Fork me on GitHub</a>
<div>
<div style="padding-top: 0.7em;padding-bottom: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;height: 120px;">
<div style="margin-left: 20px; height: 100%; display: flex; align-items: center; justify-content: space-between;">
<pre style="font-family: monospace; font-weight: 600; font-size: large; color: #ad7fa8;">
__ __ _ __ ____ __
\ \ / /__| |_\ \ / / \/ |
\ \/\/ / -_) '_ \ V /| |\/| |
\_/\_/\___|_.__/\_/ |_| |_|
</pre>
<div style="height:100%;display: flex; flex-direction: column;justify-content: space-between;">
<div style="padding-top: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;height:50px;">
<div style="margin-right: 10px; margin-left: 20px; height: 100%; display: flex; align-items: center; justify-content: flex-end;gap: 50px;">
<div style="padding-top: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;">
<a href="https://leaningtech.com" style="text-decoration: none; height: 100%;" target="_blank">
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
<span>Made with &#10084;&#65039; by </span>
<img src="assets/leaningtech.png" height="40px" style="margin-left: 5px;">
</div>
</a>
</div>
</div>
</div>
<div style="padding-top: 0.7em;font-size: 0.3em; font-weight: 200;vertical-align:center;height:50px;">
<div style="margin-right: 10px; margin-left: 20px; height: 100%; display: flex; align-items: center; justify-content: flex-end;gap: 50px;">
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
<span>CPU </span>
<span id="cpuactivity" style="margin-left: 7px;">&#x1F7E2;</span>
</div>
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
<span>HDD </span>
<span id="hddactivity" style="margin-left: 7px;">&#x1F7E2;</span>
</div>
<a id="loginLink" style="user-select: text ;text-decoration: none; height: 100%;">
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
<div style="position: relative;">
<span style="cursor: pointer" id="networkStatus">Connect via Tailscale </span>
<span style="cursor: pointer; position: absolute; right: 0px; visibility: hidden;" id="ipCopied">Copied! </span>
</div>
<img src="assets/tailscale.svg" height="35px" style="margin-left: 7px;">
</div>
</a>
<a href="https://discord.gg/yTNZgySKGa" style="text-decoration: none; height: 100%;" target="_blank">
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
<span>Join Discord </span>
<img src="assets/discord-mark-blue.svg" height="35px" style="margin-left: 7px;">
</div>
</a>
<a href="https://github.com/leaningtech/webvm/issues" style="text-decoration: none; height: 100%;" target="_blank">
<div style="color: white; font-family: montserrat; font-weight: 400; font-size: large; height: 100%; display: flex; align-items: center;">
<span>GitHub Issues </span>
<img src="assets/github-mark-white.svg" height="35px" style="margin-left: 5px;">
</div>
</a>
</div>
</div>
</div>
</div>
</div>
</div>
<div style="flex-grow:0; flex-shrink: 0; height:1px; width: 100%; background-color: white;">
</div>
<main style="display: flex; flex-direction: row; justify-content: space-between; margin: 5px; height: 100%;">
<div style="flex-grow:1; height:100%;display:inline-block;margin:0;" class="scrollbar" id="console">
</div>
Alpine: First version
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<canvas id="canvas"></canvas>
Duplicate main WebVM page in preparation for Alpine demo
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</main>
<script>
//Utility namespace to group all functionality related to printing (both error and non error) messages
const color= "\x1b[1;35m";
const bold= "\x1b[1;37m";
const underline= "\x1b[94;4m";
const normal= "\x1b[0m";
var printOnTerm = {
getSharedArrayBufferMissingMessage: function ()
{
const isCustom = window.location.hostname !== "webvm.io";
const isSecureContext = window.isSecureContext;
const text = [
"",
"",
color + "CheerpX could not start" + normal,
"",
"CheerpX uses SharedArrayBuffer, which is not available right now.",
"",
!isSecureContext && " - This page is not in a secure context. Serve over HTTPS or WSS.",
!isSecureContext && " " + underline + "https://developer.mozilla.org/en-US/docs/Web/Security/Secure_Contexts" + normal,
isCustom && " - The document is not cross-origin isolated.",
isCustom && " " + underline + "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer#security_requirements" + normal,
" - Your browser might not support SharedArrayBuffer.",
" Since 2022, all major browsers support this feature.",
" " + underline + "https://caniuse.com/sharedarraybuffer" + normal,
].filter(Boolean);
return text;
},
getErrorMessage: function (error_message)
{
const text = [
"",
"",
color + "CheerpX could not start" + normal,
"",
"CheerpX internal error message is:",
error_message,
"",
"",
"CheerpX is expected to work with recent desktop versions of Chrome, Edge, Firefox and Safari",
"",
"",
"Give it a try from a desktop version / another browser!",
]
return text;
},
printMessage: function (text) {
for (var i=0; i<text.length; i++)
{
term.write(text[i]);
term.write('\n');
}
},
printError: function (message)
{
this.printMessage(message);
term.write("\n\n");
function writeCustom(something)
{
term.write(something);
}
},
};
var consoleDiv = document.getElementById("console");
//xterm.js related logic
var term = new Terminal({cursorBlink:true,convertEol:true, fontFamily:"monospace", fontWeight: 400, fontWeightBold: 700});
var fitAddon = new FitAddon.FitAddon();
term.loadAddon(fitAddon);
var linkAddon = new WebLinksAddon.WebLinksAddon();
term.loadAddon(linkAddon);
term.open(consoleDiv);
term.scrollToTop();
fitAddon.fit();
window.addEventListener("resize", function(ev){fitAddon.fit();}, false);
term.focus();
var cxReadFunc = null;
Alpine: First version
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function writeData(buf, vt)
Duplicate main WebVM page in preparation for Alpine demo
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{
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// Unsure why the output is not sent to vt 0
if(vt != 1)
return;
Duplicate main WebVM page in preparation for Alpine demo
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term.write(new Uint8Array(buf));
}
function readData(str)
{
if(cxReadFunc == null)
return;
for(var i=0;i<str.length;i++)
cxReadFunc(str.charCodeAt(i));
}
term.onData(readData);
function hddCallback(state)
{
var h = document.getElementById("hddactivity");
if(state == "ready")
h.textContent = "\u{1F7E2}";
else
h.textContent = "\u{1F7E0}";
}
function cpuCallback(state)
{
var h = document.getElementById("cpuactivity");
if(state == "ready")
h.textContent = "\u{1F7E2}";
else
h.textContent = "\u{1F7E0}";
}
Alpine: First version
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//Actual CheerpX and init specific logic
Alpine: Adapt to new APIs and introduce a protocol parameter to test new WS mode
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async function runInit()
Duplicate main WebVM page in preparation for Alpine demo
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{
if (typeof SharedArrayBuffer === "undefined")
{
printOnTerm.printError(printOnTerm.getSharedArrayBufferMissingMessage());
return;
}
let networkInterface = setupNetworkInterface();
async function runTest(cx)
{
cx.registerCallback("cpuActivity", cpuCallback);
cx.registerCallback("diskActivity", hddCallback);
registerNetworkLogin(cx, networkInterface);
term.scrollToBottom();
cxReadFunc = cx.setCustomConsole(writeData, term.cols, term.rows);
function preventDefaults (e) {
e.preventDefault()
e.stopPropagation()
}
consoleDiv.addEventListener("dragover", preventDefaults, false);
consoleDiv.addEventListener("dragenter", preventDefaults, false);
consoleDiv.addEventListener("dragleave", preventDefaults, false);
consoleDiv.addEventListener("drop", preventDefaults, false);
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const canvas = document.getElementById("canvas");
cx.setKmsCanvas(canvas, 1024, 768);
Duplicate main WebVM page in preparation for Alpine demo
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Alpine: First version
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var opts = {uid: 0, git: 0};
cx.run("/sbin/init", [], opts);
Duplicate main WebVM page in preparation for Alpine demo
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}
function failCallback(err)
{
printOnTerm.printError(printOnTerm.getErrorMessage(err));
}
Alpine: Adapt to new APIs and introduce a protocol parameter to test new WS mode
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var params = new URLSearchParams(location.search);
var protocol = params.get("setProtocol");
if(!protocol)
protocol = "https:";
var blockDevice = await CheerpX.CloudDevice.create(protocol + "//disks-staging.webvm.io/alpine_20240307_i3_slimmed.ext2");
var overlayDevice = await CheerpX.OverlayDevice.create(blockDevice, await CheerpX.IDBDevice.create("block2"));
var webDevice = await CheerpX.WebDevice.create("");
var dataDevice = await CheerpX.DataDevice.create();
Update tree device type to dir
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CheerpX.Linux.create({mounts:[{type:"ext2",dev:overlayDevice,path:"/"},{type:"dir",dev:webDevice,path:"/app"},{type:"dir",dev:dataDevice,path:"/data"},{type:"devs",path:"/dev"},{type:"proc",path:"/proc"}], networkInterface: networkInterface}).then(runTest, failCallback);
Duplicate main WebVM page in preparation for Alpine demo
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}
function initialMessage()
{
console.log("Welcome. We appreciate curiosity, but be warned that keeping the DevTools open causes significant performance degradation and crashes.");
}
initialMessage();
async function loadCX()
{
// Find the latest build
Alpine: First version
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var r = await fetch("https://cheerpxdemos.leaningtech.com/publicdeploy/LATEST.txt");
var url = await r.text();
Duplicate main WebVM page in preparation for Alpine demo
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url = url.trim();
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = url;
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script.addEventListener("load", runInit, false);
Duplicate main WebVM page in preparation for Alpine demo
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document.head.appendChild(script);
}
loadCX();
</script>
</body>
</html>
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