forked from quic-go/quic-go
77 lines
2.3 KiB
Go
77 lines
2.3 KiB
Go
package quic
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import (
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"bytes"
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"crypto/tls"
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"fmt"
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"io"
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"math/rand"
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"net"
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"github.com/lucas-clemente/quic-go/protocol"
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"github.com/lucas-clemente/quic-go/testdata"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Benchmarks", func() {
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dataLen := 50 /* MB */ * (1 << 20)
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data := make([]byte, dataLen)
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rand.Seed(GinkgoRandomSeed())
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rand.Read(data) // no need to check for an error. math.Rand.Read never errors
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for i := range protocol.SupportedVersions {
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version := protocol.SupportedVersions[i]
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Context(fmt.Sprintf("with version %d", version), func() {
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Measure("transferring a file", func(b Benchmarker) {
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var ln Listener
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serverAddr := make(chan net.Addr)
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handshakeChan := make(chan struct{})
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// start the server
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go func() {
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defer GinkgoRecover()
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var err error
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ln, err = ListenAddr("localhost:0", testdata.GetTLSConfig(), nil)
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Expect(err).ToNot(HaveOccurred())
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serverAddr <- ln.Addr()
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sess, err := ln.Accept()
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Expect(err).ToNot(HaveOccurred())
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// wait for the client to complete the handshake before sending the data
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// this should not be necessary, but due to timing issues on the CIs, this is necessary to avoid sending too many undecryptable packets
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<-handshakeChan
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str, err := sess.OpenStream()
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Expect(err).ToNot(HaveOccurred())
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_, err = str.Write(data)
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Expect(err).ToNot(HaveOccurred())
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err = str.Close()
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Expect(err).ToNot(HaveOccurred())
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}()
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// start the client
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addr := <-serverAddr
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sess, err := DialAddr(addr.String(), &tls.Config{InsecureSkipVerify: true}, nil)
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Expect(err).ToNot(HaveOccurred())
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close(handshakeChan)
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str, err := sess.AcceptStream()
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Expect(err).ToNot(HaveOccurred())
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buf := &bytes.Buffer{}
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// measure the time it takes to download the dataLen bytes
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// note we're measuring the time for the transfer, i.e. excluding the handshake
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runtime := b.Time("transfer time", func() {
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_, err := io.Copy(buf, str)
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Expect(err).NotTo(HaveOccurred())
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})
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// this is *a lot* faster than Expect(buf.Bytes()).To(Equal(data))
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Expect(bytes.Equal(buf.Bytes(), data)).To(BeTrue())
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b.RecordValue("transfer rate [MB/s]", float64(dataLen)/1e6/runtime.Seconds())
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ln.Close()
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sess.Close(nil)
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}, 6)
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})
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}
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})
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