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'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
const server_port = common.PORT;
const message_to_send = 'A message to send';
let server, client;
let 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, common.localhostIPv4);
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, common.localhostIPv4);
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');
}, common.platformTimeout(200));