Simple reproducible syncing benchmark

This commit is contained in:
Jakob Borg 2014-09-27 20:09:36 +02:00
parent 9af586d4ac
commit 7bc4589d4d
4 changed files with 168 additions and 20 deletions

View File

@ -8,14 +8,12 @@ package integration_test
import (
"crypto/md5"
"crypto/rand"
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"log"
mr "math/rand"
"math/rand"
"net/http"
"os"
"os/exec"
@ -23,6 +21,10 @@ import (
"time"
)
func init() {
rand.Seed(42)
}
const (
id1 = "I6KAH76-66SLLLB-5PFXSOA-UFJCDZC-YAOMLEK-CP2GB32-BV5RQST-3PSROAU"
id2 = "JMFJCXB-GZDE4BN-OCJE3VF-65GYZNU-AIVJRET-3J6HMRQ-AUQIGJO-FKNHMQU"
@ -34,6 +36,7 @@ var env = []string{
"STTRACE=model",
"STGUIAPIKEY=" + apiKey,
"STNORESTART=1",
"STPERFSTATS=1",
}
type syncthingProcess struct {
@ -42,6 +45,7 @@ type syncthingProcess struct {
port int
apiKey string
csrfToken string
lastEvent int
cmd *exec.Cmd
logfd *os.File
@ -114,17 +118,46 @@ func (p *syncthingProcess) peerCompletion() (map[string]int, error) {
return comp, err
}
type event struct {
ID int
Time time.Time
Type string
Data interface{}
}
func (p *syncthingProcess) events() ([]event, error) {
resp, err := p.get(fmt.Sprintf("/rest/events?since=%d", p.lastEvent))
if err != nil {
return nil, err
}
defer resp.Body.Close()
var evs []event
err = json.NewDecoder(resp.Body).Decode(&evs)
if err != nil {
return nil, err
}
p.lastEvent = evs[len(evs)-1].ID
return evs, err
}
type versionResp struct {
Version string
}
func (p *syncthingProcess) version() (string, error) {
resp, err := p.get("/rest/version")
if err != nil {
return "", err
}
bs, err := ioutil.ReadAll(resp.Body)
resp.Body.Close()
defer resp.Body.Close()
var v versionResp
err = json.NewDecoder(resp.Body).Decode(&v)
if err != nil {
return "", err
}
return string(bs), nil
return v.Version, nil
}
type fileGenerator struct {
@ -147,12 +180,12 @@ func generateFiles(dir string, files, maxexp int, srcname string) error {
log.Fatal(err)
}
s := 1 << uint(mr.Intn(maxexp))
s := 1 << uint(rand.Intn(maxexp))
a := 128 * 1024
if a > s {
a = s
}
s += mr.Intn(a)
s += rand.Intn(a)
src := io.LimitReader(&inifiteReader{fd}, int64(s))
@ -172,12 +205,12 @@ func generateFiles(dir string, files, maxexp int, srcname string) error {
return err
}
err = os.Chmod(p1, os.FileMode(mr.Intn(0777)|0400))
err = os.Chmod(p1, os.FileMode(rand.Intn(0777)|0400))
if err != nil {
return err
}
t := time.Now().Add(-time.Duration(mr.Intn(30*86400)) * time.Second)
t := time.Now().Add(-time.Duration(rand.Intn(30*86400)) * time.Second)
err = os.Chtimes(p1, t, t)
if err != nil {
return err
@ -187,9 +220,20 @@ func generateFiles(dir string, files, maxexp int, srcname string) error {
return nil
}
func ReadRand(bs []byte) (int, error) {
var r uint32
for i := range bs {
if i%4 == 0 {
r = uint32(rand.Int63())
}
bs[i] = byte(r >> uint((i%4)*8))
}
return len(bs), nil
}
func randomName() string {
var b [16]byte
rand.Reader.Read(b[:])
ReadRand(b[:])
return fmt.Sprintf("%x", b[:])
}

View File

@ -7,20 +7,34 @@
package main
import (
"crypto/rand"
"flag"
"fmt"
"io"
"log"
mr "math/rand"
"math/rand"
"os"
"path/filepath"
"time"
)
func init() {
rand.Seed(42)
}
func ReadRand(bs []byte) (int, error) {
var r uint32
for i := range bs {
if i%4 == 0 {
r = uint32(rand.Int63())
}
bs[i] = byte(r >> uint((i%4)*8))
}
return len(bs), nil
}
func name() string {
var b [16]byte
rand.Reader.Read(b[:])
ReadRand(b[:])
return fmt.Sprintf("%x", b[:])
}
@ -47,12 +61,12 @@ func main() {
log.Fatal(err)
}
s := 1 << uint(mr.Intn(maxexp))
s := 1 << uint(rand.Intn(maxexp))
a := 128 * 1024
if a > s {
a = s
}
s += mr.Intn(a)
s += rand.Intn(a)
src := io.LimitReader(&inifiteReader{fd}, int64(s))
@ -72,12 +86,12 @@ func main() {
log.Fatal(err)
}
err = os.Chmod(p1, os.FileMode(mr.Intn(0777)|0400))
err = os.Chmod(p1, os.FileMode(rand.Intn(0777)|0400))
if err != nil {
log.Fatal(err)
}
t := time.Now().Add(-time.Duration(mr.Intn(30*86400)) * time.Second)
t := time.Now().Add(-time.Duration(rand.Intn(30*86400)) * time.Second)
err = os.Chtimes(p1, t, t)
if err != nil {
log.Fatal(err)

View File

@ -36,8 +36,8 @@
<localAnnouncePort>21025</localAnnouncePort>
<localAnnounceMCAddr>[ff32::5222]:21026</localAnnounceMCAddr>
<parallelRequests>16</parallelRequests>
<maxSendKbps>0</maxSendKbps>
<maxRecvKbps>0</maxRecvKbps>
<maxSendKbps>50000</maxSendKbps>
<maxRecvKbps>50000</maxRecvKbps>
<reconnectionIntervalS>5</reconnectionIntervalS>
<startBrowser>false</startBrowser>
<upnpEnabled>true</upnpEnabled>

View File

@ -0,0 +1,90 @@
// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
// All rights reserved. Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file.
// +build integration
package integration_test
import (
"log"
"strings"
"testing"
"time"
)
func TestBenchmarkTransfer(t *testing.T) {
log.Println("Cleaning...")
err := removeAll("s1", "s2", "h1/index", "h2/index")
if err != nil {
t.Fatal(err)
}
log.Println("Generating files...")
err = generateFiles("s1", 10000, 22, "../bin/syncthing")
if err != nil {
t.Fatal(err)
}
log.Println("Starting up...")
sender := syncthingProcess{ // id1
log: "1.out",
argv: []string{"-home", "h1"},
port: 8081,
apiKey: apiKey,
}
ver, err := sender.start()
if err != nil {
t.Fatal(err)
}
log.Println(ver)
receiver := syncthingProcess{ // id2
log: "2.out",
argv: []string{"-home", "h2"},
port: 8082,
apiKey: apiKey,
}
ver, err = receiver.start()
if err != nil {
sender.stop()
t.Fatal(err)
}
log.Println(ver)
var t0 time.Time
loop:
for {
evs, err := receiver.events()
if err != nil {
if strings.Contains(err.Error(), "use of closed network connection") {
log.Println("...")
continue
}
sender.stop()
receiver.stop()
t.Fatal(err)
}
for _, ev := range evs {
if ev.Type == "StateChanged" {
data := ev.Data.(map[string]interface{})
if data["repo"].(string) != "default" {
continue
}
log.Println(ev)
if data["to"].(string) == "syncing" {
t0 = ev.Time
continue
}
if t0 != (time.Time{}) && data["to"].(string) == "idle" {
log.Println("Sync took", ev.Time.Sub(t0))
break loop
}
}
}
}
sender.stop()
receiver.stop()
}