mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-26 08:35:17 +00:00
455 lines
8.5 KiB
Go
455 lines
8.5 KiB
Go
package ttransport
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"runtime"
|
|
"strconv"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
crand "crypto/rand"
|
|
mrand "math/rand"
|
|
|
|
"github.com/libp2p/go-libp2p-testing/race"
|
|
"github.com/libp2p/go-libp2p/core/network"
|
|
"github.com/libp2p/go-libp2p/core/peer"
|
|
"github.com/libp2p/go-libp2p/core/transport"
|
|
|
|
ma "github.com/multiformats/go-multiaddr"
|
|
)
|
|
|
|
var randomness []byte
|
|
|
|
var StressTestTimeout = 1 * time.Minute
|
|
|
|
func init() {
|
|
// read 1MB of randomness
|
|
randomness = make([]byte, 1<<20)
|
|
if _, err := crand.Read(randomness); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if timeout := os.Getenv("TEST_STRESS_TIMEOUT_MS"); timeout != "" {
|
|
if v, err := strconv.ParseInt(timeout, 10, 32); err == nil {
|
|
StressTestTimeout = time.Duration(v) * time.Millisecond
|
|
}
|
|
}
|
|
}
|
|
|
|
type Options struct {
|
|
ConnNum int
|
|
StreamNum int
|
|
MsgNum int
|
|
MsgMin int
|
|
MsgMax int
|
|
}
|
|
|
|
func fullClose(t *testing.T, s network.MuxedStream) {
|
|
if err := s.CloseWrite(); err != nil {
|
|
t.Error(err)
|
|
s.Reset()
|
|
return
|
|
}
|
|
b, err := io.ReadAll(s)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if len(b) != 0 {
|
|
t.Error("expected to be done reading")
|
|
}
|
|
if err := s.Close(); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func randBuf(size int) []byte {
|
|
n := len(randomness) - size
|
|
if size < 1 {
|
|
panic(fmt.Errorf("requested too large buffer (%d). max is %d", size, len(randomness)))
|
|
}
|
|
|
|
start := mrand.Intn(n)
|
|
return randomness[start : start+size]
|
|
}
|
|
|
|
func echoStream(t *testing.T, s network.MuxedStream) {
|
|
// echo everything
|
|
if _, err := io.Copy(s, s); err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func echo(t *testing.T, c transport.CapableConn) {
|
|
var wg sync.WaitGroup
|
|
defer wg.Wait()
|
|
for {
|
|
str, err := c.AcceptStream()
|
|
if err != nil {
|
|
break
|
|
}
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
defer str.Close()
|
|
echoStream(t, str)
|
|
}()
|
|
}
|
|
}
|
|
|
|
func serve(t *testing.T, l transport.Listener) {
|
|
var wg sync.WaitGroup
|
|
defer wg.Wait()
|
|
|
|
for {
|
|
c, err := l.Accept()
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer c.Close()
|
|
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
echo(t, c)
|
|
}()
|
|
}
|
|
}
|
|
|
|
func SubtestStress(t *testing.T, ta, tb transport.Transport, maddr ma.Multiaddr, peerA peer.ID, opt Options) {
|
|
msgsize := 1 << 11
|
|
|
|
rateLimitN := 5000 // max of 5k funcs, because -race has 8k max.
|
|
rateLimitChan := make(chan struct{}, rateLimitN)
|
|
for i := 0; i < rateLimitN; i++ {
|
|
rateLimitChan <- struct{}{}
|
|
}
|
|
|
|
rateLimit := func(f func()) {
|
|
<-rateLimitChan
|
|
f()
|
|
rateLimitChan <- struct{}{}
|
|
}
|
|
|
|
writeStream := func(s network.MuxedStream, bufs chan<- []byte) {
|
|
for i := 0; i < opt.MsgNum; i++ {
|
|
buf := randBuf(msgsize)
|
|
bufs <- buf
|
|
if _, err := s.Write(buf); err != nil {
|
|
t.Errorf("s.Write(buf): %s", err)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
readStream := func(s network.MuxedStream, bufs <-chan []byte) {
|
|
buf2 := make([]byte, msgsize)
|
|
i := 0
|
|
for buf1 := range bufs {
|
|
i++
|
|
|
|
if _, err := io.ReadFull(s, buf2); err != nil {
|
|
t.Errorf("io.ReadFull(s, buf2): %s", err)
|
|
return
|
|
}
|
|
if !bytes.Equal(buf1, buf2) {
|
|
t.Errorf("buffers not equal (%x != %x)", buf1[:3], buf2[:3])
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
openStreamAndRW := func(c network.MuxedConn) {
|
|
s, err := c.OpenStream(context.Background())
|
|
if err != nil {
|
|
t.Errorf("failed to create NewStream: %s", err)
|
|
return
|
|
}
|
|
|
|
bufs := make(chan []byte, opt.MsgNum)
|
|
go func() {
|
|
writeStream(s, bufs)
|
|
close(bufs)
|
|
}()
|
|
|
|
readStream(s, bufs)
|
|
fullClose(t, s)
|
|
}
|
|
|
|
openConnAndRW := func() {
|
|
var wg sync.WaitGroup
|
|
defer wg.Wait()
|
|
|
|
l, err := ta.Listen(maddr)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer l.Close()
|
|
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
serve(t, l)
|
|
}()
|
|
|
|
c, err := tb.Dial(context.Background(), l.Multiaddr(), peerA)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer c.Close()
|
|
|
|
// serve the outgoing conn, because some muxers assume
|
|
// that we _always_ call serve. (this is an error?)
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
echo(t, c)
|
|
}()
|
|
|
|
var openWg sync.WaitGroup
|
|
for i := 0; i < opt.StreamNum; i++ {
|
|
openWg.Add(1)
|
|
go rateLimit(func() {
|
|
defer openWg.Done()
|
|
openStreamAndRW(c)
|
|
})
|
|
}
|
|
openWg.Wait()
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
defer wg.Wait()
|
|
for i := 0; i < opt.ConnNum; i++ {
|
|
wg.Add(1)
|
|
go rateLimit(func() {
|
|
defer wg.Done()
|
|
openConnAndRW()
|
|
})
|
|
}
|
|
}
|
|
|
|
func SubtestStreamOpenStress(t *testing.T, ta, tb transport.Transport, maddr ma.Multiaddr, peerA peer.ID) {
|
|
l, err := ta.Listen(maddr)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer l.Close()
|
|
|
|
count := 10000
|
|
workers := 5
|
|
|
|
if race.WithRace() {
|
|
// the race detector can only deal with 8128 simultaneous goroutines, so let's make sure we don't go overboard.
|
|
count = 1000
|
|
}
|
|
|
|
var (
|
|
connA, connB transport.CapableConn
|
|
)
|
|
|
|
accepted := make(chan error, 1)
|
|
go func() {
|
|
var err error
|
|
connA, err = l.Accept()
|
|
accepted <- err
|
|
}()
|
|
connB, err = tb.Dial(context.Background(), l.Multiaddr(), peerA)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
err = <-accepted
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
defer func() {
|
|
if connA != nil {
|
|
connA.Close()
|
|
}
|
|
if connB != nil {
|
|
connB.Close()
|
|
}
|
|
}()
|
|
|
|
var wg sync.WaitGroup
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
for j := 0; j < workers; j++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
for i := 0; i < count; i++ {
|
|
s, err := connA.OpenStream(context.Background())
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
fullClose(t, s)
|
|
}()
|
|
}
|
|
}()
|
|
}
|
|
}()
|
|
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
for i := 0; i < count*workers; i++ {
|
|
str, err := connB.AcceptStream()
|
|
if err != nil {
|
|
break
|
|
}
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
fullClose(t, str)
|
|
}()
|
|
}
|
|
}()
|
|
|
|
timeout := time.After(StressTestTimeout)
|
|
done := make(chan struct{})
|
|
|
|
go func() {
|
|
wg.Wait()
|
|
close(done)
|
|
}()
|
|
|
|
select {
|
|
case <-timeout:
|
|
t.Fatal("timed out receiving streams")
|
|
case <-done:
|
|
}
|
|
}
|
|
|
|
func SubtestStreamReset(t *testing.T, ta, tb transport.Transport, maddr ma.Multiaddr, peerA peer.ID) {
|
|
var wg sync.WaitGroup
|
|
defer wg.Wait()
|
|
|
|
l, err := ta.Listen(maddr)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer l.Close()
|
|
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
|
|
muxa, err := l.Accept()
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer muxa.Close()
|
|
|
|
s, err := muxa.OpenStream(context.Background())
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer s.Close()
|
|
|
|
// Some transports won't open the stream until we write. That's
|
|
// fine.
|
|
_, _ = s.Write([]byte("foo"))
|
|
|
|
time.Sleep(time.Millisecond * 50)
|
|
|
|
_, err = s.Write([]byte("bar"))
|
|
if err == nil {
|
|
t.Error("should have failed to write")
|
|
}
|
|
|
|
}()
|
|
|
|
muxb, err := tb.Dial(context.Background(), l.Multiaddr(), peerA)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer muxb.Close()
|
|
|
|
str, err := muxb.AcceptStream()
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
str.Reset()
|
|
}
|
|
|
|
func SubtestStress1Conn1Stream1Msg(t *testing.T, ta, tb transport.Transport, maddr ma.Multiaddr, peerA peer.ID) {
|
|
SubtestStress(t, ta, tb, maddr, peerA, Options{
|
|
ConnNum: 1,
|
|
StreamNum: 1,
|
|
MsgNum: 1,
|
|
MsgMax: 100,
|
|
MsgMin: 100,
|
|
})
|
|
}
|
|
|
|
func SubtestStress1Conn1Stream100Msg(t *testing.T, ta, tb transport.Transport, maddr ma.Multiaddr, peerA peer.ID) {
|
|
SubtestStress(t, ta, tb, maddr, peerA, Options{
|
|
ConnNum: 1,
|
|
StreamNum: 1,
|
|
MsgNum: 100,
|
|
MsgMax: 100,
|
|
MsgMin: 100,
|
|
})
|
|
}
|
|
|
|
func SubtestStress1Conn100Stream100Msg(t *testing.T, ta, tb transport.Transport, maddr ma.Multiaddr, peerA peer.ID) {
|
|
SubtestStress(t, ta, tb, maddr, peerA, Options{
|
|
ConnNum: 1,
|
|
StreamNum: 100,
|
|
MsgNum: 100,
|
|
MsgMax: 100,
|
|
MsgMin: 100,
|
|
})
|
|
}
|
|
|
|
func SubtestStressManyConn10Stream50Msg(t *testing.T, ta, tb transport.Transport, maddr ma.Multiaddr, peerA peer.ID) {
|
|
connNum := 5
|
|
if runtime.GOOS == "linux" {
|
|
// Linux can handle a higher number of conns here than other platforms in CI.
|
|
// See https://github.com/libp2p/go-libp2p/issues/1498.
|
|
connNum = 50
|
|
}
|
|
SubtestStress(t, ta, tb, maddr, peerA, Options{
|
|
ConnNum: connNum,
|
|
StreamNum: 10,
|
|
MsgNum: 50,
|
|
MsgMax: 100,
|
|
MsgMin: 100,
|
|
})
|
|
}
|
|
|
|
func SubtestStress1Conn1000Stream10Msg(t *testing.T, ta, tb transport.Transport, maddr ma.Multiaddr, peerA peer.ID) {
|
|
SubtestStress(t, ta, tb, maddr, peerA, Options{
|
|
ConnNum: 1,
|
|
StreamNum: 1000,
|
|
MsgNum: 10,
|
|
MsgMax: 100,
|
|
MsgMin: 100,
|
|
})
|
|
}
|
|
|
|
func SubtestStress1Conn100Stream100Msg10MB(t *testing.T, ta, tb transport.Transport, maddr ma.Multiaddr, peerA peer.ID) {
|
|
SubtestStress(t, ta, tb, maddr, peerA, Options{
|
|
ConnNum: 1,
|
|
StreamNum: 100,
|
|
MsgNum: 100,
|
|
MsgMax: 10000,
|
|
MsgMin: 1000,
|
|
})
|
|
}
|