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'use strict';
require('../common');
var assert = require('assert');
var http = require('http');
var serverSockets = [];
var server = http.createServer(function(req, res) {
if (serverSockets.indexOf(req.socket) === -1) {
serverSockets.push(req.socket);
}
res.end(req.url);
});
server.listen(0, function() {
var agent = http.Agent({
keepAlive: true,
maxSockets: 5,
maxFreeSockets: 2
});
var closed = false;
makeReqs(10, function(er) {
assert.ifError(er);
assert.equal(count(agent.freeSockets), 2);
assert.equal(count(agent.sockets), 0);
assert.equal(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.equal(count(agent.freeSockets), 2);
assert.equal(count(agent.sockets), 0);
assert.equal(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 (var 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) {
var data = '';
res.setEncoding('ascii');
res.on('data', function(c) {
data += c;
});
res.on('end', function() {
assert.equal(data, '/' + i);
cb();
});
}).end();
}
function count(sockets) {
return Object.keys(sockets).reduce(function(n, name) {
return n + sockets[name].length;
}, 0);
}
});