Files
gortsplib/server_read_test.go
2021-05-04 16:51:20 +02:00

907 lines
22 KiB
Go

package gortsplib
import (
"bufio"
"crypto/tls"
"net"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/aler9/gortsplib/pkg/base"
"github.com/aler9/gortsplib/pkg/headers"
)
func TestServerReadSetupPath(t *testing.T) {
for _, ca := range []struct {
name string
url string
path string
trackID int
}{
{
"normal",
"rtsp://localhost:8554/teststream/trackID=2",
"teststream",
2,
},
{
"with query",
"rtsp://localhost:8554/teststream?testing=123/trackID=4",
"teststream",
4,
},
{
// this is needed to support reading mpegts with ffmpeg
"without track id",
"rtsp://localhost:8554/teststream/",
"teststream",
0,
},
{
"subpath",
"rtsp://localhost:8554/test/stream/trackID=0",
"test/stream",
0,
},
{
"subpath without track id",
"rtsp://localhost:8554/test/stream/",
"test/stream",
0,
},
{
"subpath with query",
"rtsp://localhost:8554/test/stream?testing=123/trackID=4",
"test/stream",
4,
},
} {
t.Run(ca.name, func(t *testing.T) {
setupDone := make(chan struct{})
s := &Server{
Handler: &testServerHandler{
onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, error) {
require.Equal(t, ca.path, ctx.Path)
require.Equal(t, ca.trackID, ctx.TrackID)
close(setupDone)
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
},
}
err := s.Start("127.0.0.1:8554")
require.NoError(t, err)
defer s.Close()
conn, err := net.Dial("tcp", "localhost:8554")
require.NoError(t, err)
defer conn.Close()
bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
th := &headers.Transport{
Protocol: StreamProtocolTCP,
Delivery: func() *base.StreamDelivery {
v := base.StreamDeliveryUnicast
return &v
}(),
Mode: func() *headers.TransportMode {
v := headers.TransportModePlay
return &v
}(),
InterleavedIDs: &[2]int{ca.trackID * 2, (ca.trackID * 2) + 1},
}
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL(ca.url),
Header: base.Header{
"CSeq": base.HeaderValue{"1"},
"Transport": th.Write(),
},
}.Write(bconn.Writer)
require.NoError(t, err)
<-setupDone
var res base.Response
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
})
}
}
func TestServerReadErrorSetupDifferentPaths(t *testing.T) {
connClosed := make(chan struct{})
s := &Server{
Handler: &testServerHandler{
onConnClose: func(sc *ServerConn, err error) {
require.Equal(t, "can't setup tracks with different paths", err.Error())
close(connClosed)
},
onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
},
}
err := s.Start("127.0.0.1:8554")
require.NoError(t, err)
defer s.Close()
conn, err := net.Dial("tcp", "localhost:8554")
require.NoError(t, err)
defer conn.Close()
bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
th := &headers.Transport{
Protocol: StreamProtocolTCP,
Delivery: func() *base.StreamDelivery {
v := base.StreamDeliveryUnicast
return &v
}(),
Mode: func() *headers.TransportMode {
v := headers.TransportModePlay
return &v
}(),
InterleavedIDs: &[2]int{0, 1},
}
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
Header: base.Header{
"CSeq": base.HeaderValue{"1"},
"Transport": th.Write(),
},
}.Write(bconn.Writer)
require.NoError(t, err)
var res base.Response
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
th.InterleavedIDs = &[2]int{2, 3}
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL("rtsp://localhost:8554/test12stream/trackID=1"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Transport": th.Write(),
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusBadRequest, res.StatusCode)
<-connClosed
}
func TestServerReadErrorSetupTrackTwice(t *testing.T) {
connClosed := make(chan struct{})
s := &Server{
Handler: &testServerHandler{
onConnClose: func(sc *ServerConn, err error) {
require.Equal(t, "track 0 has already been setup", err.Error())
close(connClosed)
},
onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
},
}
err := s.Start("127.0.0.1:8554")
require.NoError(t, err)
defer s.Close()
conn, err := net.Dial("tcp", "localhost:8554")
require.NoError(t, err)
defer conn.Close()
bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
th := &headers.Transport{
Protocol: StreamProtocolTCP,
Delivery: func() *base.StreamDelivery {
v := base.StreamDeliveryUnicast
return &v
}(),
Mode: func() *headers.TransportMode {
v := headers.TransportModePlay
return &v
}(),
InterleavedIDs: &[2]int{0, 1},
}
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
Header: base.Header{
"CSeq": base.HeaderValue{"1"},
"Transport": th.Write(),
},
}.Write(bconn.Writer)
require.NoError(t, err)
var res base.Response
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
th.InterleavedIDs = &[2]int{2, 3}
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Transport": th.Write(),
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusBadRequest, res.StatusCode)
<-connClosed
}
func TestServerRead(t *testing.T) {
for _, proto := range []string{
"udp",
"tcp",
"tls",
} {
t.Run(proto, func(t *testing.T) {
connOpened := make(chan struct{})
connClosed := make(chan struct{})
sessionOpened := make(chan struct{})
sessionClosed := make(chan struct{})
framesReceived := make(chan struct{})
s := &Server{
Handler: &testServerHandler{
onConnOpen: func(sc *ServerConn) {
close(connOpened)
},
onConnClose: func(sc *ServerConn, err error) {
close(connClosed)
},
onSessionOpen: func(ss *ServerSession) {
close(sessionOpened)
},
onSessionClose: func(ss *ServerSession, err error) {
close(sessionClosed)
},
onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
onPlay: func(ctx *ServerHandlerOnPlayCtx) (*base.Response, error) {
ctx.Session.WriteFrame(0, StreamTypeRTP, []byte{0x01, 0x02, 0x03, 0x04})
ctx.Session.WriteFrame(0, StreamTypeRTCP, []byte{0x05, 0x06, 0x07, 0x08})
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
onFrame: func(ctx *ServerHandlerOnFrameCtx) {
require.Equal(t, 0, ctx.TrackID)
require.Equal(t, StreamTypeRTCP, ctx.StreamType)
require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, ctx.Payload)
close(framesReceived)
},
},
}
switch proto {
case "udp":
s.UDPRTPAddress = "127.0.0.1:8000"
s.UDPRTCPAddress = "127.0.0.1:8001"
case "tls":
cert, err := tls.X509KeyPair(serverCert, serverKey)
require.NoError(t, err)
s.TLSConfig = &tls.Config{Certificates: []tls.Certificate{cert}}
}
err := s.Start("127.0.0.1:8554")
require.NoError(t, err)
defer s.Close()
nconn, err := net.Dial("tcp", "localhost:8554")
require.NoError(t, err)
conn := func() net.Conn {
if proto == "tls" {
return tls.Client(nconn, &tls.Config{InsecureSkipVerify: true})
}
return nconn
}()
bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
<-connOpened
inTH := &headers.Transport{
Delivery: func() *base.StreamDelivery {
v := base.StreamDeliveryUnicast
return &v
}(),
Mode: func() *headers.TransportMode {
v := headers.TransportModePlay
return &v
}(),
}
if proto == "udp" {
inTH.Protocol = StreamProtocolUDP
inTH.ClientPorts = &[2]int{35466, 35467}
} else {
inTH.Protocol = StreamProtocolTCP
inTH.InterleavedIDs = &[2]int{0, 1}
}
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
Header: base.Header{
"CSeq": base.HeaderValue{"1"},
"Transport": inTH.Write(),
},
}.Write(bconn.Writer)
require.NoError(t, err)
var res base.Response
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
var th headers.Transport
err = th.Read(res.Header["Transport"])
require.NoError(t, err)
<-sessionOpened
var l1 net.PacketConn
var l2 net.PacketConn
if proto == "udp" {
l1, err = net.ListenPacket("udp", "localhost:35466")
require.NoError(t, err)
defer l1.Close()
l2, err = net.ListenPacket("udp", "localhost:35467")
require.NoError(t, err)
defer l2.Close()
}
err = base.Request{
Method: base.Play,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
// server -> client
if proto == "udp" {
buf := make([]byte, 2048)
n, _, err := l1.ReadFrom(buf)
require.NoError(t, err)
require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, buf[:n])
buf = make([]byte, 2048)
n, _, err = l2.ReadFrom(buf)
require.NoError(t, err)
require.Equal(t, []byte{0x05, 0x06, 0x07, 0x08}, buf[:n])
} else {
var f base.InterleavedFrame
f.Payload = make([]byte, 2048)
err := f.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, 0, f.TrackID)
require.Equal(t, StreamTypeRTP, f.StreamType)
require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, f.Payload)
f.Payload = make([]byte, 2048)
err = f.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, 0, f.TrackID)
require.Equal(t, StreamTypeRTCP, f.StreamType)
require.Equal(t, []byte{0x05, 0x06, 0x07, 0x08}, f.Payload)
}
// client -> server (RTCP)
if proto == "udp" {
l2.WriteTo([]byte{0x01, 0x02, 0x03, 0x04}, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: th.ServerPorts[1],
})
} else {
err = base.InterleavedFrame{
TrackID: 0,
StreamType: StreamTypeRTCP,
Payload: []byte{0x01, 0x02, 0x03, 0x04},
}.Write(bconn.Writer)
require.NoError(t, err)
}
<-framesReceived
err = base.Request{
Method: base.Teardown,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"3"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
<-sessionClosed
nconn.Close()
<-connClosed
})
}
}
func TestServerReadTCPResponseBeforeFrames(t *testing.T) {
writerDone := make(chan struct{})
writerTerminate := make(chan struct{})
s := &Server{
Handler: &testServerHandler{
onConnClose: func(sc *ServerConn, err error) {
close(writerTerminate)
<-writerDone
},
onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
onPlay: func(ctx *ServerHandlerOnPlayCtx) (*base.Response, error) {
go func() {
defer close(writerDone)
ctx.Session.WriteFrame(0, StreamTypeRTP, []byte("\x00\x00\x00\x00"))
t := time.NewTicker(50 * time.Millisecond)
defer t.Stop()
for {
select {
case <-t.C:
ctx.Session.WriteFrame(0, StreamTypeRTP, []byte("\x00\x00\x00\x00"))
case <-writerTerminate:
return
}
}
}()
time.Sleep(50 * time.Millisecond)
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
},
}
err := s.Start("127.0.0.1:8554")
require.NoError(t, err)
defer s.Close()
conn, err := net.Dial("tcp", "localhost:8554")
require.NoError(t, err)
defer conn.Close()
bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
Header: base.Header{
"CSeq": base.HeaderValue{"1"},
"Transport": headers.Transport{
Protocol: StreamProtocolTCP,
Delivery: func() *base.StreamDelivery {
v := base.StreamDeliveryUnicast
return &v
}(),
Mode: func() *headers.TransportMode {
v := headers.TransportModePlay
return &v
}(),
InterleavedIDs: &[2]int{0, 1},
}.Write(),
},
}.Write(bconn.Writer)
require.NoError(t, err)
var res base.Response
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
err = base.Request{
Method: base.Play,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
var fr base.InterleavedFrame
fr.Payload = make([]byte, 2048)
err = fr.Read(bconn.Reader)
require.NoError(t, err)
}
func TestServerReadPlayPlay(t *testing.T) {
s := &Server{
Handler: &testServerHandler{
onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
onPlay: func(ctx *ServerHandlerOnPlayCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
},
UDPRTPAddress: "127.0.0.1:8000",
UDPRTCPAddress: "127.0.0.1:8001",
}
err := s.Start("127.0.0.1:8554")
require.NoError(t, err)
defer s.Close()
conn, err := net.Dial("tcp", "localhost:8554")
require.NoError(t, err)
defer conn.Close()
bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
Header: base.Header{
"CSeq": base.HeaderValue{"1"},
"Transport": headers.Transport{
Protocol: StreamProtocolUDP,
Delivery: func() *base.StreamDelivery {
v := base.StreamDeliveryUnicast
return &v
}(),
Mode: func() *headers.TransportMode {
v := headers.TransportModePlay
return &v
}(),
ClientPorts: &[2]int{30450, 30451},
}.Write(),
},
}.Write(bconn.Writer)
require.NoError(t, err)
var res base.Response
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
err = base.Request{
Method: base.Play,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
err = base.Request{
Method: base.Play,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"3"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
}
func TestServerReadPlayPausePlay(t *testing.T) {
writerStarted := false
writerDone := make(chan struct{})
writerTerminate := make(chan struct{})
s := &Server{
Handler: &testServerHandler{
onConnClose: func(sc *ServerConn, err error) {
close(writerTerminate)
<-writerDone
},
onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
onPlay: func(ctx *ServerHandlerOnPlayCtx) (*base.Response, error) {
if !writerStarted {
writerStarted = true
go func() {
defer close(writerDone)
t := time.NewTicker(50 * time.Millisecond)
defer t.Stop()
for {
select {
case <-t.C:
ctx.Session.WriteFrame(0, StreamTypeRTP, []byte("\x00\x00\x00\x00"))
case <-writerTerminate:
return
}
}
}()
}
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
onPause: func(ctx *ServerHandlerOnPauseCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
},
}
err := s.Start("127.0.0.1:8554")
require.NoError(t, err)
defer s.Close()
conn, err := net.Dial("tcp", "localhost:8554")
require.NoError(t, err)
defer conn.Close()
bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
Header: base.Header{
"CSeq": base.HeaderValue{"1"},
"Transport": headers.Transport{
Protocol: StreamProtocolTCP,
Delivery: func() *base.StreamDelivery {
v := base.StreamDeliveryUnicast
return &v
}(),
Mode: func() *headers.TransportMode {
v := headers.TransportModePlay
return &v
}(),
InterleavedIDs: &[2]int{0, 1},
}.Write(),
},
}.Write(bconn.Writer)
require.NoError(t, err)
var res base.Response
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
err = base.Request{
Method: base.Play,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
err = base.Request{
Method: base.Pause,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
err = base.Request{
Method: base.Play,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
}
func TestServerReadPlayPausePause(t *testing.T) {
writerDone := make(chan struct{})
writerTerminate := make(chan struct{})
s := &Server{
Handler: &testServerHandler{
onConnClose: func(sc *ServerConn, err error) {
close(writerTerminate)
<-writerDone
},
onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
onPlay: func(ctx *ServerHandlerOnPlayCtx) (*base.Response, error) {
go func() {
defer close(writerDone)
t := time.NewTicker(50 * time.Millisecond)
defer t.Stop()
for {
select {
case <-t.C:
ctx.Session.WriteFrame(0, StreamTypeRTP, []byte("\x00\x00\x00\x00"))
case <-writerTerminate:
return
}
}
}()
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
onPause: func(ctx *ServerHandlerOnPauseCtx) (*base.Response, error) {
return &base.Response{
StatusCode: base.StatusOK,
}, nil
},
},
}
err := s.Start("127.0.0.1:8554")
require.NoError(t, err)
defer s.Close()
conn, err := net.Dial("tcp", "localhost:8554")
require.NoError(t, err)
defer conn.Close()
bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
err = base.Request{
Method: base.Setup,
URL: base.MustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
Header: base.Header{
"CSeq": base.HeaderValue{"1"},
"Transport": headers.Transport{
Protocol: StreamProtocolTCP,
Delivery: func() *base.StreamDelivery {
v := base.StreamDeliveryUnicast
return &v
}(),
Mode: func() *headers.TransportMode {
v := headers.TransportModePlay
return &v
}(),
InterleavedIDs: &[2]int{0, 1},
}.Write(),
},
}.Write(bconn.Writer)
require.NoError(t, err)
var res base.Response
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
err = base.Request{
Method: base.Play,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
err = res.Read(bconn.Reader)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
err = base.Request{
Method: base.Pause,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
buf := make([]byte, 2048)
err = res.ReadIgnoreFrames(bconn.Reader, buf)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
err = base.Request{
Method: base.Pause,
URL: base.MustParseURL("rtsp://localhost:8554/teststream"),
Header: base.Header{
"CSeq": base.HeaderValue{"2"},
"Session": res.Header["Session"],
},
}.Write(bconn.Writer)
require.NoError(t, err)
buf = make([]byte, 2048)
err = res.ReadIgnoreFrames(bconn.Reader, buf)
require.NoError(t, err)
require.Equal(t, base.StatusOK, res.StatusCode)
}