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- package gfsmux_test
- import (
- "bytes"
- crand "crypto/rand"
- "encoding/binary"
- "fmt"
- "io"
- "log"
- "math/rand"
- "net"
- "net/http"
- _ "net/http/pprof"
- "strings"
- "sync"
- "testing"
- "time"
- smux "go.gridfinity.dev/gfsmux"
- u "go.gridfinity.dev/leaktestfe"
- )
- func init() {
- go func() {
- log.Println(http.ListenAndServe("0.0.0.0:6060", nil))
- }()
- }
- // setupServer starts new server listening on a random localhost port and
- // returns address of the server, function to stop the server, new client
- // Connection to this server or an error.
- func setupServer(tb testing.TB) (addr string, stopfunc func(), client net.Conn, err error) {
- ln, err := net.Listen("tcp", "localhost:0")
- if err != nil {
- return "", nil, nil, err
- }
- go func() {
- Conn, err := ln.Accept()
- if err != nil {
- return
- }
- go handleConnection(Conn)
- }()
- addr = ln.Addr().String()
- Conn, err := net.Dial("tcp", addr)
- if err != nil {
- ln.Close()
- return "", nil, nil, err
- }
- return ln.Addr().String(), func() { ln.Close() }, Conn, nil
- }
- func handleConnection(Conn net.Conn) {
- session, _ := smux.Server(Conn, nil)
- for {
- if stream, err := session.AcceptStream(); err == nil {
- go func(s io.ReadWriteCloser) {
- buf := make([]byte, 65536)
- for {
- n, err := s.Read(buf)
- if err != nil {
- return
- }
- s.Write(buf[:n])
- }
- }(stream)
- } else {
- return
- }
- }
- }
- // setupServer starts new server listening on a random localhost port and
- // returns address of the server, function to stop the server, new client
- // Connection to this server or an error.
- func setupServerV2(tb testing.TB) (addr string, stopfunc func(), client net.Conn, err error) {
- ln, err := net.Listen("tcp", "localhost:0")
- if err != nil {
- return "", nil, nil, err
- }
- go func() {
- Conn, err := ln.Accept()
- if err != nil {
- return
- }
- go handleConnectionV2(Conn)
- }()
- addr = ln.Addr().String()
- Conn, err := net.Dial("tcp", addr)
- if err != nil {
- ln.Close()
- return "", nil, nil, err
- }
- return ln.Addr().String(), func() { ln.Close() }, Conn, nil
- }
- func handleConnectionV2(Conn net.Conn) {
- Config := smux.DefaultConfig()
- Config.Version = 2
- session, _ := smux.Server(Conn, Config)
- for {
- if stream, err := session.AcceptStream(); err == nil {
- go func(s io.ReadWriteCloser) {
- buf := make([]byte, 65536)
- for {
- n, err := s.Read(buf)
- if err != nil {
- return
- }
- s.Write(buf[:n])
- }
- }(stream)
- } else {
- return
- }
- }
- }
- func TestEcho(t *testing.T) {
- defer u.Leakplug(t)
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- const N = 100
- buf := make([]byte, 10)
- var sent string
- var received string
- for i := 0; i < N; i++ {
- msg := fmt.Sprintf("hello%v", i)
- stream.Write([]byte(msg))
- sent += msg
- if n, err := stream.Read(buf); err != nil {
- t.Fatal(err)
- } else {
- received += string(buf[:n])
- }
- }
- if sent != received {
- t.Fatal("data mimatch")
- }
- session.Close()
- }
- func TestWriteTo(t *testing.T) {
- defer u.Leakplug(t)
- const N = 1 << 20
- // server
- ln, err := net.Listen("tcp", "localhost:0")
- if err != nil {
- t.Fatal(err)
- }
- defer ln.Close()
- go func() {
- Conn, err := ln.Accept()
- if err != nil {
- return
- }
- session, _ := smux.Server(Conn, nil)
- for {
- if stream, err := session.AcceptStream(); err == nil {
- go func(s io.ReadWriteCloser) {
- numBytes := 0
- buf := make([]byte, 65536)
- for {
- n, err := s.Read(buf)
- if err != nil {
- return
- }
- s.Write(buf[:n])
- numBytes += n
- if numBytes == N {
- s.Close()
- return
- }
- }
- }(stream)
- } else {
- return
- }
- }
- }()
- addr := ln.Addr().String()
- Conn, err := net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- defer Conn.Close()
- // client
- session, _ := smux.Client(Conn, nil)
- stream, _ := session.OpenStream()
- sndbuf := make([]byte, N)
- for i := range sndbuf {
- sndbuf[i] = byte(rand.Int())
- }
- go stream.Write(sndbuf)
- var rcvbuf bytes.Buffer
- nw, ew := stream.WriteTo(&rcvbuf)
- if ew != io.EOF {
- t.Fatal(ew)
- }
- if nw != N {
- t.Fatal("WriteTo nw mismatch", nw)
- }
- if bytes.Compare(sndbuf, rcvbuf.Bytes()) != 0 {
- t.Fatal("mismatched echo bytes")
- }
- }
- func TestWriteToV2(t *testing.T) {
- defer u.Leakplug(t)
- Config := smux.DefaultConfig()
- Config.Version = 2
- const N = 1 << 20
- // server
- ln, err := net.Listen("tcp", "localhost:0")
- if err != nil {
- t.Fatal(err)
- }
- defer ln.Close()
- go func() {
- Conn, err := ln.Accept()
- if err != nil {
- return
- }
- session, _ := smux.Server(Conn, Config)
- for {
- if stream, err := session.AcceptStream(); err == nil {
- go func(s io.ReadWriteCloser) {
- numBytes := 0
- buf := make([]byte, 65536)
- for {
- n, err := s.Read(buf)
- if err != nil {
- return
- }
- s.Write(buf[:n])
- numBytes += n
- if numBytes == N {
- s.Close()
- return
- }
- }
- }(stream)
- } else {
- return
- }
- }
- }()
- addr := ln.Addr().String()
- Conn, err := net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- defer Conn.Close()
- // client
- session, _ := smux.Client(Conn, Config)
- stream, _ := session.OpenStream()
- sndbuf := make([]byte, N)
- for i := range sndbuf {
- sndbuf[i] = byte(rand.Int())
- }
- go stream.Write(sndbuf)
- var rcvbuf bytes.Buffer
- nw, ew := stream.WriteTo(&rcvbuf)
- if ew != io.EOF {
- t.Fatal(ew)
- }
- if nw != N {
- t.Fatal("WriteTo nw mismatch", nw)
- }
- if bytes.Compare(sndbuf, rcvbuf.Bytes()) != 0 {
- t.Fatal("mismatched echo bytes")
- }
- }
- func TestGetDieCh(t *testing.T) {
- defer u.Leakplug(t)
- cs, ss, err := getSmuxStreamPair()
- if err != nil {
- t.Fatal(err)
- }
- defer ss.Close()
- dieCh := ss.GetDieCh()
- go func() {
- select {
- case <-dieCh:
- case <-time.Tick(time.Second):
- t.Fatal("wait die chan timeout")
- }
- }()
- cs.Close()
- }
- func TestSpeed(t *testing.T) {
- defer u.Leakplug(t)
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- t.Log(stream.LocalAddr(), stream.RemoteAddr())
- start := time.Now()
- var wg sync.WaitGroup
- wg.Add(1)
- go func() {
- buf := make([]byte, 1024*1024)
- nrecv := 0
- for {
- n, err := stream.Read(buf)
- if err != nil {
- t.Error(err)
- break
- } else {
- nrecv += n
- if nrecv == 4096*4096 {
- break
- }
- }
- }
- stream.Close()
- t.Log("time for 16MB rtt", time.Since(start))
- wg.Done()
- }()
- msg := make([]byte, 8192)
- for i := 0; i < 2048; i++ {
- stream.Write(msg)
- }
- wg.Wait()
- session.Close()
- }
- func TestParallel(t *testing.T) {
- defer u.Leakplug(t)
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- par := 1000
- messages := 100
- var wg sync.WaitGroup
- wg.Add(par)
- for i := 0; i < par; i++ {
- stream, _ := session.OpenStream()
- go func(s *smux.Stream) {
- buf := make([]byte, 20)
- for j := 0; j < messages; j++ {
- msg := fmt.Sprintf("hello%v", j)
- s.Write([]byte(msg))
- if _, err := s.Read(buf); err != nil {
- break
- }
- }
- s.Close()
- wg.Done()
- }(stream)
- }
- t.Log("created", session.NumStreams(), "streams")
- wg.Wait()
- session.Close()
- }
- func TestParallelV2(t *testing.T) {
- defer u.Leakplug(t)
- Config := smux.DefaultConfig()
- Config.Version = 2
- _, stop, cli, err := setupServerV2(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, Config)
- par := 1000
- messages := 100
- var wg sync.WaitGroup
- wg.Add(par)
- for i := 0; i < par; i++ {
- stream, _ := session.OpenStream()
- go func(s *smux.Stream) {
- buf := make([]byte, 20)
- for j := 0; j < messages; j++ {
- msg := fmt.Sprintf("hello%v", j)
- s.Write([]byte(msg))
- if _, err := s.Read(buf); err != nil {
- break
- }
- }
- s.Close()
- wg.Done()
- }(stream)
- }
- t.Log("created", session.NumStreams(), "streams")
- wg.Wait()
- session.Close()
- }
- func TestCloseThenOpen(t *testing.T) {
- defer u.Leakplug(t)
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- session.Close()
- if _, err := session.OpenStream(); err == nil {
- t.Fatal("opened after close")
- }
- }
- func TestSessionDoubleClose(t *testing.T) {
- defer u.Leakplug(t)
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- session.Close()
- if err := session.Close(); err == nil {
- t.Fatal("session double close doesn't return error")
- }
- }
- func TestStreamDoubleClose(t *testing.T) {
- defer u.Leakplug(t)
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- stream.Close()
- if err := stream.Close(); err == nil {
- t.Fatal("stream double close doesn't return error")
- }
- session.Close()
- }
- func TestConcurrentClose(t *testing.T) {
- defer u.Leakplug(t)
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- numStreams := 100
- streams := make([]*smux.Stream, 0, numStreams)
- var wg sync.WaitGroup
- wg.Add(numStreams)
- for i := 0; i < 100; i++ {
- stream, _ := session.OpenStream()
- streams = append(streams, stream)
- }
- for _, s := range streams {
- stream := s
- go func() {
- stream.Close()
- wg.Done()
- }()
- }
- session.Close()
- wg.Wait()
- }
- func TestTinyReadBuffer(t *testing.T) {
- defer u.Leakplug(t)
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- const N = 100
- tinybuf := make([]byte, 6)
- var sent string
- var received string
- for i := 0; i < N; i++ {
- msg := fmt.Sprintf("hello%v", i)
- sent += msg
- nsent, err := stream.Write([]byte(msg))
- if err != nil {
- t.Fatal("cannot write")
- }
- nrecv := 0
- for nrecv < nsent {
- if n, err := stream.Read(tinybuf); err == nil {
- nrecv += n
- received += string(tinybuf[:n])
- } else {
- t.Fatal("cannot read with tiny buffer")
- }
- }
- }
- if sent != received {
- t.Fatal("data mimatch")
- }
- session.Close()
- }
- func TestIsClose(t *testing.T) {
- defer u.Leakplug(t)
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- session.Close()
- if !session.IsClosed() {
- t.Fatal("still open after close")
- }
- }
- func TestKeepAliveTimeout(t *testing.T) {
- defer u.Leakplug(t)
- ln, err := net.Listen("tcp", "localhost:0")
- if err != nil {
- t.Fatal(err)
- }
- defer ln.Close()
- go func() {
- ln.Accept()
- }()
- cli, err := net.Dial("tcp", ln.Addr().String())
- if err != nil {
- t.Fatal(err)
- }
- defer cli.Close()
- Config := smux.DefaultConfig()
- Config.KeepAliveInterval = time.Second
- Config.KeepAliveTimeout = 2 * time.Second
- session, _ := smux.Client(cli, Config)
- time.Sleep(3 * time.Second)
- if !session.IsClosed() {
- t.Fatal("keepalive-timeout failed")
- }
- }
- type blockWriteConn struct {
- net.Conn
- }
- func (c *blockWriteConn) Write(b []byte) (n int, err error) {
- forever := time.Hour * 24
- time.Sleep(forever)
- return c.Conn.Write(b)
- }
- func TestKeepAliveBlockWriteTimeout(t *testing.T) {
- defer u.Leakplug(t)
- ln, err := net.Listen("tcp", "localhost:0")
- if err != nil {
- t.Fatal(err)
- }
- defer ln.Close()
- go func() {
- ln.Accept()
- }()
- cli, err := net.Dial("tcp", ln.Addr().String())
- if err != nil {
- t.Fatal(err)
- }
- defer cli.Close()
- // when WriteFrame block, keepalive in old version never timeout
- blockWriteCli := &blockWriteConn{cli}
- Config := smux.DefaultConfig()
- Config.KeepAliveInterval = time.Second
- Config.KeepAliveTimeout = 2 * time.Second
- session, _ := smux.Client(blockWriteCli, Config)
- time.Sleep(3 * time.Second)
- if !session.IsClosed() {
- t.Fatal("keepalive-timeout failed")
- }
- }
- func TestServerEcho(t *testing.T) {
- ln, err := net.Listen("tcp", "localhost:0")
- if err != nil {
- t.Fatal(err)
- }
- defer ln.Close()
- go func() {
- err := func() error {
- Conn, err := ln.Accept()
- if err != nil {
- return err
- }
- defer Conn.Close()
- session, err := smux.Server(Conn, nil)
- if err != nil {
- return err
- }
- defer session.Close()
- buf := make([]byte, 10)
- stream, err := session.OpenStream()
- if err != nil {
- return err
- }
- defer stream.Close()
- for i := 0; i < 100; i++ {
- msg := fmt.Sprintf("hello%v", i)
- stream.Write([]byte(msg))
- n, err := stream.Read(buf)
- if err != nil {
- return err
- }
- if got := string(buf[:n]); got != msg {
- return fmt.Errorf("got: %q, want: %q", got, msg)
- }
- }
- return nil
- }()
- if err != nil {
- t.Error(err)
- }
- }()
- cli, err := net.Dial("tcp", ln.Addr().String())
- if err != nil {
- t.Fatal(err)
- }
- defer cli.Close()
- if session, err := smux.Client(cli, nil); err == nil {
- if stream, err := session.AcceptStream(); err == nil {
- buf := make([]byte, 65536)
- for {
- n, err := stream.Read(buf)
- if err != nil {
- break
- }
- stream.Write(buf[:n])
- }
- } else {
- t.Fatal(err)
- }
- } else {
- t.Fatal(err)
- }
- }
- func TestSendWithoutRecv(t *testing.T) {
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- const N = 100
- for i := 0; i < N; i++ {
- msg := fmt.Sprintf("hello%v", i)
- stream.Write([]byte(msg))
- }
- buf := make([]byte, 1)
- if _, err := stream.Read(buf); err != nil {
- t.Fatal(err)
- }
- stream.Close()
- }
- func TestWriteAfterClose(t *testing.T) {
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- stream.Close()
- if _, err := stream.Write([]byte("write after close")); err == nil {
- t.Fatal("write after close failed")
- }
- }
- func TestReadStreamAfterSessionClose(t *testing.T) {
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- session.Close()
- buf := make([]byte, 10)
- if _, err := stream.Read(buf); err != nil {
- t.Log(err)
- } else {
- t.Fatal("read stream after session close succeeded")
- }
- }
- func TestWriteStreamAfterConnectionClose(t *testing.T) {
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- session.Conn.Close()
- if _, err := stream.Write([]byte("write after Connection close")); err == nil {
- t.Fatal("write after Connection close failed")
- }
- }
- func TestNumStreamAfterClose(t *testing.T) {
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- if _, err := session.OpenStream(); err == nil {
- if session.NumStreams() != 1 {
- t.Fatal("wrong number of streams after opened")
- }
- session.Close()
- if session.NumStreams() != 0 {
- t.Fatal("wrong number of streams after session closed")
- }
- } else {
- t.Fatal(err)
- }
- cli.Close()
- }
- func TestRandomFrame(t *testing.T) {
- addr, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- // pure random
- session, _ := smux.Client(cli, nil)
- for i := 0; i < 100; i++ {
- rnd := make([]byte, rand.Uint32()%1024)
- io.ReadFull(crand.Reader, rnd)
- session.Conn.Write(rnd)
- }
- cli.Close()
- // double syn
- cli, err = net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- session, _ = smux.Client(cli, nil)
- for i := 0; i < 100; i++ {
- f := smux.NewFrame(1, smux.CmdSyn, 1000)
- session.WriteFrame(f)
- }
- cli.Close()
- // random cmds
- cli, err = net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- allcmds := []byte{smux.CmdSyn, smux.CmdFin, smux.CmdPsh, smux.CmdNop}
- session, _ = smux.Client(cli, nil)
- for i := 0; i < 100; i++ {
- f := smux.NewFrame(1, allcmds[rand.Int()%len(allcmds)], rand.Uint32())
- session.WriteFrame(f)
- }
- cli.Close()
- // random cmds & Sids
- cli, err = net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- session, _ = smux.Client(cli, nil)
- for i := 0; i < 100; i++ {
- f := smux.NewFrame(1, byte(rand.Uint32()), rand.Uint32())
- session.WriteFrame(f)
- }
- cli.Close()
- // random version
- cli, err = net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- session, _ = smux.Client(cli, nil)
- for i := 0; i < 100; i++ {
- f := smux.NewFrame(1, byte(rand.Uint32()), rand.Uint32())
- f.Ver = byte(rand.Uint32())
- session.WriteFrame(f)
- }
- cli.Close()
- // incorrect size
- cli, err = net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- session, _ = smux.Client(cli, nil)
- f := smux.NewFrame(1, byte(rand.Uint32()), rand.Uint32())
- rnd := make([]byte, rand.Uint32()%1024)
- io.ReadFull(crand.Reader, rnd)
- f.Data = rnd
- buf := make([]byte, smux.HeaderSize+len(f.Data))
- buf[0] = f.Ver
- buf[1] = f.Cmd
- binary.LittleEndian.PutUint16(buf[2:], uint16(len(rnd)+1)) /// incorrect size
- binary.LittleEndian.PutUint32(buf[4:], f.Sid)
- copy(buf[smux.HeaderSize:], f.Data)
- session.Conn.Write(buf)
- cli.Close()
- // WriteFrame after die
- cli, err = net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- session, _ = smux.Client(cli, nil)
- // close first
- session.Close()
- for i := 0; i < 100; i++ {
- f := smux.NewFrame(1, byte(rand.Uint32()), rand.Uint32())
- session.WriteFrame(f)
- }
- }
- func TestWriteFrameInternal(t *testing.T) {
- addr, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- // pure random
- session, _ := smux.Client(cli, nil)
- for i := 0; i < 100; i++ {
- rnd := make([]byte, rand.Uint32()%1024)
- io.ReadFull(crand.Reader, rnd)
- session.Conn.Write(rnd)
- }
- cli.Close()
- // WriteFrame after die
- cli, err = net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- session, _ = smux.Client(cli, nil)
- // close first
- session.Close()
- for i := 0; i < 100; i++ {
- f := smux.NewFrame(1, byte(rand.Uint32()), rand.Uint32())
- session.WriteFrameInternal(f, time.After(session.Config.KeepAliveTimeout), 0)
- }
- // random cmds
- cli, err = net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- allcmds := []byte{smux.CmdSyn, smux.CmdFin, smux.CmdPsh, smux.CmdNop}
- session, _ = smux.Client(cli, nil)
- for i := 0; i < 100; i++ {
- f := smux.NewFrame(1, allcmds[rand.Int()%len(allcmds)], rand.Uint32())
- session.WriteFrameInternal(f, time.After(session.Config.KeepAliveTimeout), 0)
- }
- // deadline occur
- {
- c := make(chan time.Time)
- close(c)
- f := smux.NewFrame(1, allcmds[rand.Int()%len(allcmds)], rand.Uint32())
- _, err := session.WriteFrameInternal(f, c, 0)
- if !strings.Contains(err.Error(), "timeout") {
- t.Fatal("write frame with deadline failed", err)
- }
- netErr, ok := err.(net.Error)
- if !ok {
- t.Fatal("expected net.Error for timeout")
- }
- if netErr.Timeout() == false {
- t.Fatal("expected Timeout() to be true on timeout error ", err)
- }
- if netErr.Temporary() == false {
- t.Fatal("expected Temporary() to be true on timeout error", err)
- }
- }
- cli.Close()
- {
- cli, err = net.Dial("tcp", addr)
- if err != nil {
- t.Fatal(err)
- }
- Config := smux.DefaultConfig()
- Config.KeepAliveInterval = time.Second
- Config.KeepAliveTimeout = 2 * time.Second
- session, _ = smux.Client(&blockWriteConn{cli}, Config)
- f := smux.NewFrame(1, byte(rand.Uint32()), rand.Uint32())
- c := make(chan time.Time)
- go func() {
- // die first, deadline second, better for coverage
- time.Sleep(time.Second)
- session.Close()
- time.Sleep(time.Second)
- close(c)
- }()
- _, err = session.WriteFrameInternal(f, c, 0)
- if !strings.Contains(err.Error(), "closed pipe") {
- t.Fatal("write frame with to closed Conn failed", err)
- }
- }
- }
- func TestReadDeadline(t *testing.T) {
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- const N = 100
- buf := make([]byte, 10)
- var readErr error
- for i := 0; i < N; i++ {
- stream.SetReadDeadline(time.Now().Add(-1 * time.Minute))
- if _, readErr = stream.Read(buf); readErr != nil {
- break
- }
- }
- if readErr != nil {
- if !strings.Contains(readErr.Error(), "timeout") {
- t.Fatalf("Wrong error: %v", readErr)
- }
- } else {
- t.Fatal("No error when reading with past deadline")
- }
- session.Close()
- }
- func TestWriteDeadline(t *testing.T) {
- _, stop, cli, err := setupServer(t)
- if err != nil {
- t.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- stream, _ := session.OpenStream()
- buf := make([]byte, 10)
- var writeErr error
- for {
- stream.SetWriteDeadline(time.Now().Add(-1 * time.Minute))
- if _, writeErr = stream.Write(buf); writeErr != nil {
- if !strings.Contains(writeErr.Error(), "timeout") {
- t.Fatalf("Wrong error: %v", writeErr)
- }
- break
- }
- }
- session.Close()
- }
- func BenchmarkAcceptClose(b *testing.B) {
- _, stop, cli, err := setupServer(b)
- if err != nil {
- b.Fatal(err)
- }
- defer stop()
- session, _ := smux.Client(cli, nil)
- for i := 0; i < b.N; i++ {
- if stream, err := session.OpenStream(); err == nil {
- stream.Close()
- } else {
- b.Fatal(err)
- }
- }
- }
- func BenchmarkConnSmux(b *testing.B) {
- cs, ss, err := getSmuxStreamPair()
- if err != nil {
- b.Fatal(err)
- }
- defer cs.Close()
- defer ss.Close()
- bench(b, cs, ss)
- }
- func BenchmarkConnTCP(b *testing.B) {
- cs, ss, err := getTCPConnectionPair()
- if err != nil {
- b.Fatal(err)
- }
- defer cs.Close()
- defer ss.Close()
- bench(b, cs, ss)
- }
- func getSmuxStreamPair() (*smux.Stream, *smux.Stream, error) {
- c1, c2, err := getTCPConnectionPair()
- if err != nil {
- return nil, nil, err
- }
- s, err := smux.Server(c2, nil)
- if err != nil {
- return nil, nil, err
- }
- c, err := smux.Client(c1, nil)
- if err != nil {
- return nil, nil, err
- }
- var ss *smux.Stream
- done := make(chan error)
- go func() {
- var rerr error
- ss, rerr = s.AcceptStream()
- done <- rerr
- close(done)
- }()
- cs, err := c.OpenStream()
- if err != nil {
- return nil, nil, err
- }
- err = <-done
- if err != nil {
- return nil, nil, err
- }
- return cs, ss, nil
- }
- func getTCPConnectionPair() (net.Conn, net.Conn, error) {
- lst, err := net.Listen("tcp", "localhost:0")
- if err != nil {
- return nil, nil, err
- }
- defer lst.Close()
- var Conn0 net.Conn
- var err0 error
- done := make(chan struct{})
- go func() {
- Conn0, err0 = lst.Accept()
- close(done)
- }()
- Conn1, err := net.Dial("tcp", lst.Addr().String())
- if err != nil {
- return nil, nil, err
- }
- <-done
- if err0 != nil {
- return nil, nil, err0
- }
- return Conn0, Conn1, nil
- }
- func bench(b *testing.B, rd io.Reader, wr io.Writer) {
- buf := make([]byte, 128*1024)
- buf2 := make([]byte, 128*1024)
- b.SetBytes(128 * 1024)
- b.ResetTimer()
- b.ReportAllocs()
- var wg sync.WaitGroup
- wg.Add(1)
- go func() {
- defer wg.Done()
- count := 0
- for {
- n, _ := rd.Read(buf2)
- count += n
- if count == 128*1024*b.N {
- return
- }
- }
- }()
- for i := 0; i < b.N; i++ {
- wr.Write(buf)
- }
- wg.Wait()
- }
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