mirror of
https://github.com/actix/examples
synced 2024-11-27 16:02:57 +01:00
172 lines
3.7 KiB
HTML
172 lines
3.7 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>Websocket Echo</title>
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<style>
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:root {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
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Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
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font-size: 18px;
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}
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input[type='text'] {
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font-size: inherit;
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}
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#log {
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width: 30em;
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height: 20em;
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overflow: auto;
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margin: 0.5em 0;
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border: 1px solid black;
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}
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#status {
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padding: 0 0.2em;
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}
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#text {
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width: 17em;
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padding: 0.5em;
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}
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.msg {
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margin: 0;
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padding: 0.25em 0.5em;
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}
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.msg--status {
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/* a light yellow */
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background-color: #ffffc9;
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}
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.msg--message {
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/* a light blue */
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background-color: #d2f4ff;
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}
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.msg--error {
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background-color: pink;
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}
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</style>
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</head>
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<body>
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<h1>Chat!</h1>
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<div>
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<button id="connect">Connect</button>
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<span>Status:</span>
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<span id="status">disconnected</span>
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</div>
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<div id="log"></div>
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<form id="chatform">
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<input type="text" id="text" />
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<input type="submit" id="send" />
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</form>
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<hr />
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<section>
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<h2>Usage</h2>
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<p>After connecting, type into the text box and the server will echo your message.</p>
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</section>
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<script>
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const $status = document.querySelector('#status')
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const $connectButton = document.querySelector('#connect')
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const $log = document.querySelector('#log')
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const $form = document.querySelector('#chatform')
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const $input = document.querySelector('#text')
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/** @type {WebSocket | null} */
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var socket = null
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function log(msg, type = 'status') {
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$log.innerHTML += `<p class="msg msg--${type}">${msg}</p>`
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$log.scrollTop += 1000
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}
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function connect() {
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disconnect()
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const { location } = window
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const proto = location.protocol.startsWith('https') ? 'wss' : 'ws'
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const wsUri = `${proto}://${location.host}/ws`
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log('Connecting...')
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socket = new WebSocket(wsUri)
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socket.onopen = () => {
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log('Connected')
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updateConnectionStatus()
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}
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socket.onmessage = (ev) => {
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log('Received: ' + ev.data, 'message')
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}
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socket.onclose = () => {
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log('Disconnected')
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socket = null
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updateConnectionStatus()
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}
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}
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function disconnect() {
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if (socket) {
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log('Disconnecting...')
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socket.close()
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socket = null
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updateConnectionStatus()
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}
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}
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function updateConnectionStatus() {
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if (socket) {
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$status.style.backgroundColor = 'transparent'
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$status.style.color = 'green'
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$status.textContent = `connected`
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$connectButton.innerHTML = 'Disconnect'
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$input.focus()
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} else {
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$status.style.backgroundColor = 'red'
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$status.style.color = 'white'
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$status.textContent = 'disconnected'
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$connectButton.textContent = 'Connect'
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}
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}
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$connectButton.addEventListener('click', () => {
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if (socket) {
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disconnect()
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} else {
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connect()
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}
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updateConnectionStatus()
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})
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$form.addEventListener('submit', (ev) => {
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ev.preventDefault()
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const text = $input.value
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log('Sending: ' + text)
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socket.send(text)
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$input.value = ''
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$input.focus()
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})
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updateConnectionStatus()
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</script>
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</body>
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</html>
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