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