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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';
require('../common');
const assert = require('assert');
const http = require('http');
const serverSockets = [];
const server = http.createServer(function(req, res) {
if (!serverSockets.includes(req.socket)) {
serverSockets.push(req.socket);
}
res.end(req.url);
});
server.listen(0, function() {
const agent = http.Agent({
keepAlive: true,
maxSockets: 5,
maxFreeSockets: 2
});
let closed = false;
makeReqs(10, function(er) {
assert.ifError(er);
assert.strictEqual(count(agent.freeSockets), 2);
assert.strictEqual(count(agent.sockets), 0);
assert.strictEqual(serverSockets.length, 5);
// now make 10 more reqs.
// should use the 2 free reqs from the pool first.
makeReqs(10, function(er) {
assert.ifError(er);
assert.strictEqual(count(agent.freeSockets), 2);
assert.strictEqual(count(agent.sockets), 0);
assert.strictEqual(serverSockets.length, 8);
agent.destroy();
server.close(function() {
closed = true;
});
});
});
process.on('exit', function() {
assert(closed);
console.log('ok');
});
// make 10 requests in parallel,
// then 10 more when they all finish.
function makeReqs(n, cb) {
for (let i = 0; i < n; i++)
makeReq(i, then);
function then(er) {
if (er)
return cb(er);
else if (--n === 0)
setTimeout(cb, 100);
}
}
function makeReq(i, cb) {
http.request({
port: server.address().port,
path: `/${i}`,
agent: agent
}, function(res) {
let data = '';
res.setEncoding('ascii');
res.on('data', function(c) {
data += c;
});
res.on('end', function() {
assert.strictEqual(data, `/${i}`);
cb();
});
}).end();
}
function count(sockets) {
return Object.keys(sockets).reduce(function(n, name) {
return n + sockets[name].length;
}, 0);
}
});
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