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-<!DOCTYPE html>
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-<!-- Serviceworker script that adds the COI and CORS headers to the response headers in cases where the server does not support it. -->
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-<script src="serviceWorker.js"></script>
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-
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-<html lang="en" style="height:100%;">
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- <head>
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- <meta charset="utf-8">
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- <title>WebVM - Linux virtualization in WebAssembly</title>
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-
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- <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.">
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- <meta name="keywords" content="WebVM, Virtual Machine, CheerpX, x86 virtualization, WebAssembly, Tailscale, JIT">
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- <meta property="og:title" content="WebVM - Linux virtualization in WebAssembly" />
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- <meta property="og:type" content="website" />
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- <meta property="og:site_name" content="WebVM"/>
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- <meta property="og:url" content="/">
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- <meta property="og:image" content="https://webvm.io/assets/welcome_to_WebVM_.png" />
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- <meta name="twitter:card" content="summary_large_image" />
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- <meta name="twitter:site" content="@leaningtech" />
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- <meta name="twitter:title" content="WebVM - Linux virtualization in WebAssembly" />
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- <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.">
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- <meta name="twitter:image" content="https://webvm.io/assets/welcome_to_WebVM_.png" />
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-
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- <!-- Apple iOS web clip compatibility tags -->
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- <meta name="application-name" content="WebVM" />
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- <meta name="apple-mobile-web-app-title" content="WebVM" />
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- <meta name="apple-mobile-web-app-capable" content="yes" />
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- <meta name="mobile-web-app-capable" content="yes" />
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- <meta name="apple-mobile-web-app-status-bar-style" content="black" />
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-
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- <link rel="shortcut icon" href="./tower.ico">
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- <link rel="preconnect" href="https://fonts.googleapis.com">
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- <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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- <link rel="stylesheet" id="us-fonts-css" href="https://fonts.googleapis.com/css?family=Montserrat%3A300%2C400%2C500%2C600%2C700&display=swap&ver=6.0.2" media="all">
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- <link rel="stylesheet" href="./xterm/xterm.css" />
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- <link rel="stylesheet" href="./scrollbar.css" />
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- <script src="./xterm/xterm.js"></script>
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- <script src="./xterm/xterm-addon-fit.js"></script>
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- <script>
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- window.networkInterface = { ready: false };
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- </script>
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- <script type="module" src="network.js"></script>
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- </head>
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-
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- <body style="margin:0;height:100%;background:black;color:white;overflow:hidden; display:flex; flex-direction: column; justify-content: space-between; height: 100%;">
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-
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- <header style="flex-grow:0; flex-srink: 0;height:80px; width: 100%; margin: 2px 0 2px 0;">
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- <div style="display: flex; flex-direction: row; justify-content: space-between; width: 100%;">
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- <div style="display: flex; flex-direction: row;">
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- <a href="https://leaningtech.com/" target="_blank">
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- <img src="./assets/leaningtech.png" style="margin-left: 10px; height: 60px; margin-top: 10px;">
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- </a>
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- </div>
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- <div style="display: flex; flex-direction: row; justify-content: space-before;">
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- <li style=" margin-right: 50px; height: 100%; display: flex; align-items: center;">
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- <a href="https://discord.leaningtech.com" target="_blank" style="text-decoration: none">
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- <div style="color: white; font-family: montserrat; font-weight: 700; font-size: large;">Discord</div>
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- </a>
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- </li>
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- <li style=" margin-right: 50px; height: 100%; display: flex; align-items: center;">
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- <a href="https://github.com/leaningtech/webvm" target="_blank" style="text-decoration: none" >
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- <div style="color: white; font-family: montserrat; font-weight: 700; font-size: large;">Github</div>
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- </a>
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- </li>
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- <li style=" margin-right: 50px; height: 100%; display: flex; align-items: center;">
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- <a id="loginLink" style="text-decoration: none; cursor:not-allowed;">
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- <div id="networkStatus" style="color: grey; font-family: montserrat; font-weight: 700; font-size: large;">Tailscale Login</div>
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- </a>
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- </li>
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- </div>
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- </div>
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- </header>
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- <div style="flex-grow:0; flex-shrink: 0; height:1px; width: 100%; background-color: white;">
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- </div>
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- <main style="display: flex; flex-direction: row; justify-content: space-between; margin:0; height:100%;">
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- <div style="flex-grow:1; height:100%;display:inline-block;margin:0;" class="scrollbar" id="console">
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- </div>
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-
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- </main>
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- <script>
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-
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- //Utility namespace to group all functionality related to printing (both error and non error) messages
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- const color= "\x1b[1;35m";
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- const bold= "\x1b[1;37m";
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- const underline= "\x1b[94;4m";
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- const normal= "\x1b[0m";
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- var printOnTerm = {
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- getAsciiTitle: function ()
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- {
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- var title = [
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- color + " __ __ _ __ ____ __ " + normal,
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- color + " \\ \\ / /__| |_\\ \\ / / \\/ | " + normal,
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- color + " \\ \\/\\/ / -_) '_ \\ V /| |\\/| | " + normal,
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- color + " \\_/\\_/\\___|_.__/\\_/ |_| |_| " + normal,
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-
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- ];
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- return title;
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- },
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- getAsciiText: function ()
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- {
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- var text = [
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- "+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+",
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- "| |",
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- "| WebVM is a server-less virtual Linux environment running fully client-side |",
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- "| in HTML5/WebAssembly. |",
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- "| |",
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- "| WebVM is powered by the CheerpX virtualization engine, which enables safe, |",
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- "| sandboxed client-side execution of x86 binaries on any browser. |",
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- "| |",
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- "| CheerpX includes an x86-to-WebAssembly JIT compiler, a virtual block-based |",
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- "| file system, and a Linux syscall emulator. |",
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- "| |",
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- "| [NEW!] WebVM now supports full TCP and UDP networking via Tailscale! |",
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- "| Click on 'Tailscale Login' to enable it. Read the announcement: |",
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- "| |",
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- "| " + underline + "https://leaningtech.com/webvm-virtual-machine-with-networking-via-tailscale" + normal +" |",
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- "| |",
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- "+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+",
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- "",
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- " Welcome to WebVM (build CX_VERSION). If unsure, try these examples:",
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- "",
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- " python3 examples/python3/fibonacci.py ",
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- " gcc -o helloworld examples/c/helloworld.c && ./helloworld",
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- " objdump -d ./helloworld | less -M",
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- " vim examples/c/helloworld.c",
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- " curl --max-time 15 parrot.live # requires networking",
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- "",
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- ];
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- return text;
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- },
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- getSharedArrayBufferMissingMessage: function ()
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- {
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- const text = [
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- "",
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- "",
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- color + "CheerpX could not start" + normal,
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- "",
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- "CheerpX depends on JavaScript's SharedArrayBuffer, that your browser",
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- " does not support.",
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- "",
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- "SharedArrayBuffer is currently enabled by default on recent",
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- " versions of Chrome, Edge, Firefox and Safari.",
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- "",
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- "",
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- "Give it a try from another browser!",
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- ]
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-
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- return text;
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- },
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- getErrorMessage: function (error_message)
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- {
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- const text = [
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- "",
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- "",
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- color + "CheerpX could not start" + normal,
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- "",
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- "CheerpX internal error message is:",
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- error_message,
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- "",
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- "",
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- "CheerpX is expected to work with recent desktop versions of Chrome, Edge, Firefox and Safari",
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- "",
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- "",
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- "Give it a try from a desktop version / another browser!",
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- ]
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-
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- return text;
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- },
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- printMessage: function (text) {
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- for (var i=0; i<text.length; i++)
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- {
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- term.write(text[i]);
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- term.write('\n');
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- }
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- },
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- printError: function (message)
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- {
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- this.printMessage(message);
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-
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- term.write("\n\n");
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-
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- function writeCustom(something)
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- {
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- term.write(something);
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- }
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- },
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- };
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-
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- var consoleDiv = document.getElementById("console");
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-
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- //xterm.js related logic
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- var term = new Terminal({cursorBlink:true,convertEol:true, fontFamily:"monospace", fontWeight: 400, fontWeightBold: 700});
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- var fitAddon = new FitAddon.FitAddon();
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- term.loadAddon(fitAddon);
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- term.open(consoleDiv);
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- term.scrollToTop();
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-
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- fitAddon.fit();
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- window.addEventListener("resize", function(ev){fitAddon.fit();}, false);
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- term.focus();
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- var cxReadFunc = null;
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- function writeData(buf)
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- {
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- term.write(new Uint8Array(buf));
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- }
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- function readData(str)
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- {
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- if(cxReadFunc == null)
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- return;
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- for(var i=0;i<str.length;i++)
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- cxReadFunc(str.charCodeAt(i));
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- }
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- term.onData(readData);
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-
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- //Actual CheerpX and init specific logic
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- function runInit()
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- {
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- if (typeof SharedArrayBuffer === "undefined")
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- {
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- printOnTerm.printError(printOnTerm.getSharedArrayBufferMissingMessage());
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- return;
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- }
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-
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- async function runTest(cx)
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- {
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- term.scrollToBottom();
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-
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- cxReadFunc = cx.setCustomConsole(writeData, term.cols, term.rows);
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-
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- function preventDefaults (e) {
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- e.preventDefault()
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- e.stopPropagation()
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- }
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- consoleDiv.addEventListener("dragover", preventDefaults, false);
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- consoleDiv.addEventListener("dragenter", preventDefaults, false);
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- consoleDiv.addEventListener("dragleave", preventDefaults, false);
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- consoleDiv.addEventListener("drop", preventDefaults, false);
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-
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- var opts = {uid:0};
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- cx.run("/init", [], opts);
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- }
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- function failCallback(err)
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- {
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- printOnTerm.printError(printOnTerm.getErrorMessage(err));
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- }
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- CheerpXApp.create({devices:[{type:"block",url:"https://disks.leaningtech.com/tc_nographic_20221117.ext2",name:"block1"}],mounts:[{type:"ext2",dev:"block1",path:"/"},{type:"cheerpOS",dev:"/app",path:"/app"}], networkInterface}).then(runTest, failCallback);
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- }
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- function initialMessage()
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- {
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- console.log("Welcome. We appreciate curiosity, but be warned that keeping the DevTools open causes significant performance degradation and crashes.");
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- }
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- initialMessage();
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-
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- var script = document.createElement('script');
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- script.type = 'text/javascript';
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-
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- var cxFile = "https://cheerpxdemos.leaningtech.com/publicdeploy/CX_VERSION/cx.js";
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- script.src = cxFile;
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- script.addEventListener("load", runInit, false);
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-
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- document.head.appendChild(script);
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-
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- </script>
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-<!-- Google tag (gtag.js) -->
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-<script defer src="https://www.googletagmanager.com/gtag/js?id=G-818T3Y0PEY"></script>
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-<script defer>
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- window.dataLayer = window.dataLayer || [];
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- function gtag(){dataLayer.push(arguments);}
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- gtag('js', new Date());
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-
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- gtag('config', 'G-818T3Y0PEY');
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-</script>
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- </body>
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-</html>
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-
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Alessandro Pignotti