46 строки
1.1 KiB
JavaScript
Executable File
46 строки
1.1 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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* @format
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*/
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'use strict';
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/* eslint-env node */
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const WebSocket = require('ws');
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const fs = require('fs');
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const path = require('path');
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console.log(`\
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Test server for WebSocketExample
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This will send each incoming message right back to the other side.
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Restart with the '--binary' command line flag to have it respond with an
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ArrayBuffer instead of a string.
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`);
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const respondWithBinary = process.argv.indexOf('--binary') !== -1;
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const server = new WebSocket.Server({port: 5555});
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server.on('connection', ws => {
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ws.on('message', message => {
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console.log('Received message:', message);
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if (respondWithBinary) {
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message = Buffer.from(message);
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}
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if (message === 'getImage') {
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message = fs.readFileSync(path.resolve(__dirname, 'flux@3x.png'));
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}
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console.log('Replying with:', message);
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ws.send(message);
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});
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console.log('Incoming connection!');
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ws.send('Why hello there!');
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});
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