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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');
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(data, 'PING');
assert.strictEqual(socket.readyState, 'open');
assert.strictEqual(count <= N, true);
setTimeout(function() {
assert.strictEqual(socket.readyState, 'open');
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(socket.readyState, 'writeOnly');
socket.end();
});
socket.on('close', function(had_error) {
console.log('server-side socket.end');
assert.strictEqual(had_error, false);
assert.strictEqual(socket.readyState, 'closed');
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(client.readyState, 'open');
client.write('PING');
});
client.on('data', function(data) {
console.log(data);
assert.strictEqual(data, 'PONG');
assert.strictEqual(client.readyState, 'open');
setTimeout(function() {
assert.strictEqual(client.readyState, 'open');
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(count, N + 1);
assert.ok(client_ended);
if (on_complete) on_complete();
}));
}));
}
pingPongTest(common.PORT);