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index.js
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index.js
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'use strict'
const { Writable } = require('stream')
const http = require('http')
const Benchmark = require('benchmark')
const undici = require('..')
const { kEnqueue, kGetNext } = require('../lib/symbols')
const Request = require('../lib/request')
// # Start the h2o server (in h2o repository)
// # Then change the port below to 8080
// h2o -c examples/h2o/h2o.conf
//
// # Alternatively start the Node.js server
// node benchmarks/server.js
//
// # Start the benchmarks
// node benchmarks/index.js
const httpOptions = {
protocol: 'http:',
hostname: 'localhost',
method: 'GET',
path: '/',
port: 3009,
agent: new http.Agent({
keepAlive: true,
maxSockets: 100
})
}
const undiciOptions = {
path: '/',
method: 'GET'
}
const pool = undici(`http://${httpOptions.hostname}:${httpOptions.port}`, {
connections: 100,
pipelining: 10,
requestTimeout: 0
})
const suite = new Benchmark.Suite()
suite
.add('http - keepalive', {
defer: true,
fn: deferred => {
http.get(httpOptions, response => {
const stream = new Writable({
write (chunk, encoding, callback) {
callback()
}
})
stream.once('finish', () => {
deferred.resolve()
})
response.pipe(stream)
})
}
})
.add('http - noop', {
defer: true,
fn: deferred => {
http.get(httpOptions, response => {
response
.resume()
.on('end', () => {
deferred.resolve()
})
})
}
})
.add('undici - pipeline', {
defer: true,
fn: deferred => {
pool
.pipeline(undiciOptions, data => {
return data.body
})
.end()
.pipe(new Writable({
write (chunk, encoding, callback) {
callback()
}
}))
.once('finish', () => {
deferred.resolve()
})
}
})
.add('undici - request', {
defer: true,
fn: deferred => {
pool.request(undiciOptions, (error, { body }) => {
if (error) {
throw error
}
const stream = new Writable({
write (chunk, encoding, callback) {
callback()
}
})
stream.once('finish', () => {
deferred.resolve()
})
body.pipe(stream)
})
}
})
.add('undici - stream', {
defer: true,
fn: deferred => {
pool.stream(undiciOptions, () => {
const stream = new Writable({
write (chunk, encoding, callback) {
callback()
}
})
stream.once('finish', () => {
deferred.resolve()
})
return stream
}, error => {
if (error) {
throw error
}
})
}
})
.add('undici - simple', {
defer: true,
fn: deferred => {
const stream = new Writable({
write (chunk, encoding, callback) {
callback()
}
})
stream.once('finish', () => {
deferred.resolve()
})
const client = pool[kGetNext]()
client[kEnqueue](new SimpleRequest(client, undiciOptions, stream))
}
})
.add('undici - noop', {
defer: true,
fn: deferred => {
const client = pool[kGetNext]()
client[kEnqueue](new NoopRequest(client, undiciOptions, deferred))
}
})
.on('cycle', event => {
console.log(String(event.target))
})
.run()
class NoopRequest extends Request {
constructor (client, opts, deferred) {
super(opts, client)
this.deferred = deferred
}
_onHeaders () {}
_onBody () {}
_onComplete () {
this.deferred.resolve()
}
}
class SimpleRequest extends Request {
constructor (client, opts, dst) {
super(opts, client)
this.dst = dst
this.dst.on('drain', () => {
this.resume()
})
}
_onHeaders (statusCode, headers, resume) {
this.resume = resume
}
_onBody (chunk, offset, length) {
return this.dst.write(chunk.slice(offset, offset + length))
}
_onComplete () {
this.dst.end()
}
}