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// 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 assert = require('assert');
const net = require('net');
let tests_run = 0;
function pingPongTest(host, on_complete) {
const N = 1000;
let count = 0;
let sent_final_ping = false;
const server = net.createServer({ allowHalfOpen: true }, function(socket) {
assert.strictEqual(socket.remoteAddress !== null, true);
assert.strictEqual(socket.remoteAddress !== undefined, true);
const address = socket.remoteAddress;
if (host === '127.0.0.1') {
assert.strictEqual(address, '127.0.0.1');
} else if (host == null || host === 'localhost') {
assert(address === '127.0.0.1' || address === '::ffff:127.0.0.1');
} else {
console.log(`host = ${host}, remoteAddress = ${address}`);
assert.strictEqual(address, '::1');
}
socket.setEncoding('utf8');
socket.setNoDelay();
socket.timeout = 0;
socket.on('data', function(data) {
console.log(`server got: ${JSON.stringify(data)}`);
assert.strictEqual(socket.readyState, 'open');
assert.strictEqual(count <= N, true);
if (/PING/.test(data)) {
socket.write('PONG');
}
});
socket.on('end', function() {
assert.strictEqual(socket.readyState, 'writeOnly');
socket.end();
});
socket.on('close', function(had_error) {
assert.strictEqual(had_error, false);
assert.strictEqual(socket.readyState, 'closed');
socket.server.close();
});
});
server.listen(0, host, function() {
const client = net.createConnection(server.address().port, host);
client.setEncoding('utf8');
client.on('connect', function() {
assert.strictEqual(client.readyState, 'open');
client.write('PING');
});
client.on('data', function(data) {
console.log(`client got: ${data}`);
assert.strictEqual(data, 'PONG');
count += 1;
if (sent_final_ping) {
assert.strictEqual(client.readyState, 'readOnly');
return;
} else {
assert.strictEqual(client.readyState, 'open');
}
if (count < N) {
client.write('PING');
} else {
sent_final_ping = true;
client.write('PING');
client.end();
}
});
client.on('close', function() {
assert.strictEqual(count, N + 1);
assert.strictEqual(sent_final_ping, true);
if (on_complete) on_complete();
tests_run += 1;
});
});
}
// All are run at once and will run on different ports.
pingPongTest('localhost');
pingPongTest(null);
// This IPv6 isn't working on Solaris.
if (!common.isSunOS) pingPongTest('::1');
process.on('exit', function() {
assert.strictEqual(tests_run, common.isSunOS ? 2 : 3);
});