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'use strict';
// We are demonstrating a problem with http.get when queueing up many
// transfers. The server simply introduces some delay and sends a file.
// Note this is demonstrated with connection: close.
var common = require('../common');
var assert = require('assert');
var http = require('http');
var fs = require('fs');
common.refreshTmpDir();
var image = fs.readFileSync(common.fixturesDir + '/person.jpg');
console.log('image.length = ' + image.length);
var total = 100;
var requests = 0, responses = 0;
var server = http.Server(function(req, res) {
if (++requests == total) {
server.close();
}
setTimeout(function() {
res.writeHead(200, {
'content-type': 'image/jpeg',
'connection': 'close',
'content-length': image.length
});
res.end(image);
}, 1);
});
server.listen(common.PORT, function() {
for (var i = 0; i < total; i++) {
(function() {
var x = i;
var opts = {
port: common.PORT,
headers: { connection: 'close' }
};
http.get(opts, function(res) {
console.error('recv ' + x);
var s = fs.createWriteStream(common.tmpDir + '/' + x + '.jpg');
res.pipe(s);
s.on('finish', function() {
console.error('done ' + x);
if (++responses == total) {
checkFiles();
}
});
}).on('error', function(e) {
console.error('error! ', e.message);
throw e;
});
})();
}
});
var checkedFiles = false;
function checkFiles() {
// Should see 1.jpg, 2.jpg, ..., 100.jpg in tmpDir
var files = fs.readdirSync(common.tmpDir);
assert(total <= files.length);
for (var i = 0; i < total; i++) {
var fn = i + '.jpg';
assert.ok(files.indexOf(fn) >= 0, "couldn't find '" + fn + "'");
var stat = fs.statSync(common.tmpDir + '/' + fn);
assert.equal(image.length, stat.size,
"size doesn't match on '" + fn +
"'. Got " + stat.size + ' bytes');
}
checkedFiles = true;
}
process.on('exit', function() {
assert.equal(total, requests);
assert.equal(total, responses);
assert.ok(checkedFiles);
});
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