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d77754bfc7
PR-URL: https://github.com/nodejs/node/pull/41614 Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Anna Henningsen <anna@addaleax.net>
108 lines
3.1 KiB
JavaScript
108 lines
3.1 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const net = require('net');
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// This test creates 20 connections to a server and sets the server's
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// maxConnections property to 10. The first 10 connections make it through
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// and the last 10 connections are rejected.
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const N = 20;
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let closes = 0;
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const waits = [];
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const server = net.createServer(common.mustCall(function(connection) {
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connection.write('hello');
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waits.push(function() { connection.end(); });
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}, N / 2));
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server.listen(0, function() {
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makeConnection(0);
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});
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server.maxConnections = N / 2;
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function makeConnection(index) {
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const c = net.createConnection(server.address().port);
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let gotData = false;
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c.on('connect', function() {
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if (index + 1 < N) {
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makeConnection(index + 1);
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}
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c.on('close', function() {
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console.error(`closed ${index}`);
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closes++;
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if (closes < N / 2) {
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assert.ok(
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server.maxConnections <= index,
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`${index} should not have been one of the first closed connections`
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);
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}
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if (closes === N / 2) {
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let cb;
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console.error('calling wait callback.');
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while ((cb = waits.shift()) !== undefined) {
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cb();
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}
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server.close();
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}
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if (index < server.maxConnections) {
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assert.strictEqual(gotData, true,
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`${index} didn't get data, but should have`);
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} else {
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assert.strictEqual(gotData, false,
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`${index} got data, but shouldn't have`);
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}
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});
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});
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c.on('end', function() { c.end(); });
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c.on('data', function(b) {
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gotData = true;
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assert.ok(b.length > 0);
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});
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c.on('error', function(e) {
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// Retry if SmartOS and ECONNREFUSED. See
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// https://github.com/nodejs/node/issues/2663.
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if (common.isSunOS && (e.code === 'ECONNREFUSED')) {
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c.connect(server.address().port);
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}
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console.error(`error ${index}: ${e}`);
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});
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}
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process.on('exit', function() {
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assert.strictEqual(closes, N);
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});
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