var common = require('../common'); var assert = require('assert'); var fs = require('fs'), dgram = require('dgram'), server, client, server_port = common.PORT, message_to_send = 'A message to send', timer; server = dgram.createSocket('udp4'); server.on('message', function(msg, rinfo) { console.log('server got: ' + msg + ' from ' + rinfo.address + ':' + rinfo.port); assert.strictEqual(rinfo.address, '127.0.0.1'); assert.strictEqual(msg.toString(), message_to_send.toString()); server.send(msg, 0, msg.length, rinfo.port, rinfo.address); }); server.on('listening', function() { var address = server.address(); console.log('server is listening on ' + address.address + ':' + address.port); client = dgram.createSocket('udp4'); client.on('message', function(msg, rinfo) { console.log('client got: ' + msg + ' from ' + rinfo.address + ':' + address.port); assert.strictEqual(rinfo.address, '127.0.0.1'); assert.strictEqual(rinfo.port, server_port); assert.strictEqual(msg.toString(), message_to_send.toString()); client.close(); server.close(); }); client.send(message_to_send, 0, message_to_send.length, server_port, 'localhost', function(err) { if (err) { console.log('Caught error in client send.'); throw err; } }); client.on('close', function() { if (server.fd === null) { clearTimeout(timer); } }); }); server.on('close', function() { if (client.fd === null) { clearTimeout(timer); } }); server.bind(server_port); timer = setTimeout(function() { throw new Error('Timeout'); }, 200);