// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; const common = require('../common'); const net = require('net'); const cp = require('child_process'); if (process.argv[2] === 'server') { // Server const server = net.createServer(function(conn) { conn.on('data', function(data) { console.log(`server received ${data.length} bytes`); }); conn.on('close', function() { server.close(); }); }); server.listen(common.PORT, '127.0.0.1', function() { console.log('Server running.'); }); } else { // Client const serverProcess = cp.spawn(process.execPath, [process.argv[1], 'server']); serverProcess.stdout.pipe(process.stdout); serverProcess.stderr.pipe(process.stdout); serverProcess.stdout.once('data', function() { const client = net.createConnection(common.PORT, '127.0.0.1'); client.on('connect', function() { const alot = Buffer.allocUnsafe(1024); const alittle = Buffer.allocUnsafe(1); for (let i = 0; i < 100; i++) { client.write(alot); } // Block the event loop for 1 second const start = (new Date()).getTime(); while ((new Date()).getTime() < start + 1000) {} client.write(alittle); client.destroySoon(); }); }); }