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97 lines
2.9 KiB
97 lines
2.9 KiB
'use strict';
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// test HTTP throughput in fragmented header case
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var common = require('../common.js');
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var net = require('net');
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var test = require('../../test/common');
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var bench = common.createBenchmark(main, {
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len: [1, 4, 8, 16, 32, 64, 128],
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num: [5, 50, 500, 2000],
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type: ['send'],
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});
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function main(conf) {
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var len = +conf.len;
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var num = +conf.num;
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var todo = [];
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var headers = [];
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// Chose 7 because 9 showed "Connection error" / "Connection closed"
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// An odd number could result in a better length dispersion.
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for (var i = 7; i <= 7 * 7 * 7; i *= 7)
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headers.push(Array(i + 1).join('o'));
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function WriteHTTPHeaders(channel, has_keep_alive, extra_header_count) {
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todo = [];
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todo.push('GET / HTTP/1.1');
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todo.push('Host: localhost');
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todo.push('Connection: keep-alive');
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todo.push('Accept: text/html,application/xhtml+xml,' +
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'application/xml;q=0.9,image/webp,*/*;q=0.8');
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todo.push('User-Agent: Mozilla/5.0 (X11; Linux x86_64) ' +
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'AppleWebKit/537.36 (KHTML, like Gecko) ' +
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'Chrome/39.0.2171.71 Safari/537.36');
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todo.push('Accept-Encoding: gzip, deflate, sdch');
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todo.push('Accept-Language: en-US,en;q=0.8');
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for (var i = 0; i < extra_header_count; i++) {
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// Utilize first three powers of a small integer for an odd cycle and
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// because the fourth power of some integers overloads the server.
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todo.push('X-Header-' + i + ': ' + headers[i % 3]);
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}
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todo.push('');
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todo.push('');
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todo = todo.join('\r\n');
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// Using odd numbers in many places may increase length coverage.
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var chunksize = 37;
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for (i = 0; i < todo.length; i += chunksize) {
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var cur = todo.slice(i, i + chunksize);
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channel.write(cur);
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}
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}
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var min = 10;
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var size = 0;
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var mod = 317;
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var mult = 17;
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var add = 11;
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var count = 0;
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var PIPE = test.PIPE;
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var socket = net.connect(PIPE, function() {
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bench.start();
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WriteHTTPHeaders(socket, 1, len);
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socket.setEncoding('utf8');
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socket.on('data', function(d) {
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var did = false;
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var pattern = 'HTTP/1.1 200 OK\r\n';
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if ((d.length === pattern.length && d === pattern) ||
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(d.length > pattern.length &&
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d.slice(0, pattern.length) === pattern)) {
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did = true;
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} else {
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pattern = 'HTTP/1.1 ';
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if ((d.length === pattern.length && d === pattern) ||
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(d.length > pattern.length &&
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d.slice(0, pattern.length) === pattern)) {
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did = true;
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}
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}
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size = (size * mult + add) % mod;
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if (did) {
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count += 1;
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if (count === num) {
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bench.end(count);
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} else {
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WriteHTTPHeaders(socket, 1, min + size);
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}
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}
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});
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socket.on('close', function() {
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console.log('Connection closed');
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});
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socket.on('error', function() {
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throw new Error('Connection error');
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});
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});
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}
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