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'use strict';
const common = require('../common');
const assert = require('assert');
const net = require('net');
function pingPongTest(port, host, on_complete) {
const N = 100;
const DELAY = 1;
let count = 0;
let client_ended = false;
const server = net.createServer({ allowHalfOpen: true }, function(socket) {
socket.setEncoding('utf8');
socket.on('data', function(data) {
console.log(data);
assert.strictEqual('PING', data);
assert.strictEqual('open', socket.readyState);
assert.strictEqual(true, count <= N);
setTimeout(function() {
assert.strictEqual('open', socket.readyState);
socket.write('PONG');
}, DELAY);
});
socket.on('timeout', function() {
console.error('server-side timeout!!');
assert.strictEqual(false, true);
});
socket.on('end', function() {
console.log('server-side socket EOF');
assert.strictEqual('writeOnly', socket.readyState);
socket.end();
});
socket.on('close', function(had_error) {
console.log('server-side socket.end');
assert.strictEqual(false, had_error);
assert.strictEqual('closed', socket.readyState);
socket.server.close();
});
});
server.listen(port, host, common.mustCall(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(data);
assert.strictEqual('PONG', data);
assert.strictEqual('open', client.readyState);
setTimeout(function() {
assert.strictEqual('open', client.readyState);
if (count++ < N) {
client.write('PING');
} else {
console.log('closing client');
client.end();
client_ended = true;
}
}, DELAY);
});
client.on('timeout', function() {
console.error('client-side timeout!!');
assert.strictEqual(false, true);
});
client.on('close', common.mustCall(function() {
console.log('client.end');
assert.strictEqual(N + 1, count);
assert.ok(client_ended);
if (on_complete) on_complete();
}));
}));
}
pingPongTest(common.PORT);
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