Files
gortsplib/client_play_test.go
2025-09-07 16:05:13 +02:00

3977 lines
99 KiB
Go

package gortsplib
import (
"bytes"
"crypto/rand"
"crypto/tls"
"encoding/base64"
"net"
"strconv"
"strings"
"sync/atomic"
"testing"
"time"
"github.com/pion/rtcp"
"github.com/pion/rtp"
"github.com/stretchr/testify/require"
"golang.org/x/net/ipv4"
"github.com/bluenviron/gortsplib/v4/pkg/auth"
"github.com/bluenviron/gortsplib/v4/pkg/base"
"github.com/bluenviron/gortsplib/v4/pkg/conn"
"github.com/bluenviron/gortsplib/v4/pkg/description"
"github.com/bluenviron/gortsplib/v4/pkg/format"
"github.com/bluenviron/gortsplib/v4/pkg/headers"
"github.com/bluenviron/gortsplib/v4/pkg/mikey"
"github.com/bluenviron/gortsplib/v4/pkg/ntp"
"github.com/bluenviron/mediacommon/v2/pkg/codecs/mpeg4audio"
)
func mediasToSDP(medias []*description.Media) []byte {
desc := &description.Session{
Medias: medias,
}
for i, m := range desc.Medias {
m.Control = "trackID=" + strconv.FormatInt(int64(i), 10)
}
byts, err := desc.Marshal(false)
if err != nil {
panic(err)
}
return byts
}
func mustMarshalPacketRTP(pkt *rtp.Packet) []byte {
byts, err := pkt.Marshal()
if err != nil {
panic(err)
}
return byts
}
func mustMarshalPacketRTCP(pkt rtcp.Packet) []byte {
byts, err := pkt.Marshal()
if err != nil {
panic(err)
}
return byts
}
func readAll(c *Client, ur string, cb func(*description.Media, format.Format, *rtp.Packet)) error {
u, err := base.ParseURL(ur)
if err != nil {
return err
}
c.Scheme = u.Scheme
c.Host = u.Host
err = c.Start2()
if err != nil {
return err
}
sd, _, err := c.Describe(u)
if err != nil {
c.Close()
return err
}
err = c.SetupAll(sd.BaseURL, sd.Medias)
if err != nil {
c.Close()
return err
}
if cb != nil {
c.OnPacketRTPAny(cb)
}
_, err = c.Play(nil)
if err != nil {
c.Close()
return err
}
return nil
}
func TestClientPlayFormats(t *testing.T) {
media1 := testH264Media
media2 := &description.Media{
Type: description.MediaTypeAudio,
Formats: []format.Format{&format.MPEG4Audio{
PayloadTyp: 96,
Config: &mpeg4audio.AudioSpecificConfig{
Type: mpeg4audio.ObjectTypeAACLC,
SampleRate: 44100,
ChannelCount: 2,
},
SizeLength: 13,
IndexLength: 3,
IndexDeltaLength: 3,
}},
}
media3 := &description.Media{
Type: description.MediaTypeAudio,
Formats: []format.Format{&format.MPEG4Audio{
PayloadTyp: 96,
Config: &mpeg4audio.AudioSpecificConfig{
Type: mpeg4audio.ObjectTypeAACLC,
SampleRate: 96000,
ChannelCount: 2,
},
SizeLength: 13,
IndexLength: 3,
IndexDeltaLength: 3,
}},
}
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream"), req.URL)
medias := []*description.Media{media1, media2, media3}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
for i := 0; i < 3; i++ {
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream/"+medias[i].Control), req.URL)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
Protocol: headers.TransportProtocolUDP,
ClientPorts: inTH.ClientPorts,
ServerPorts: &[2]int{34556 + i*2, 34557 + i*2},
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
}
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream/"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream/"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
c := Client{}
err = readAll(&c, "rtsp://localhost:8554/teststream", nil)
require.NoError(t, err)
defer c.Close()
}
func TestClientPlay(t *testing.T) {
for _, ca := range []struct {
scheme string
transport string
secure string
}{
{
"rtsp",
"udp",
"unsecure",
},
{
"rtsp",
"multicast",
"unsecure",
},
{
"rtsp",
"tcp",
"unsecure",
},
{
"rtsps",
"tcp",
"unsecure",
},
{
"rtsps",
"udp",
"secure",
},
{
"rtsps",
"multicast",
"secure",
},
{
"rtsps",
"tcp",
"secure",
},
} {
t.Run(ca.scheme+"_"+ca.transport+"_"+ca.secure, func(t *testing.T) {
packetRecv := make(chan struct{})
listenIP := multicastCapableIP(t)
var l net.Listener
var err error
if ca.scheme == "rtsps" {
var cert tls.Certificate
cert, err = tls.X509KeyPair(serverCert, serverKey)
require.NoError(t, err)
l, err = tls.Listen("tcp", listenIP+":8554", &tls.Config{Certificates: []tls.Certificate{cert}})
require.NoError(t, err)
defer l.Close()
} else {
l, err = net.Listen("tcp", listenIP+":8554")
require.NoError(t, err)
defer l.Close()
}
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
require.Equal(t, mustParseURL(ca.scheme+"://"+listenIP+":8554/test/stream?param=value"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
require.Equal(t, mustParseURL(ca.scheme+"://"+listenIP+":8554/test/stream?param=value"), req.URL)
forma := &format.Generic{
PayloadTyp: 96,
RTPMa: "private/90000",
}
err2 = forma.Init()
require.NoError(t, err2)
medias := []*description.Media{
{
Type: "application",
Formats: []format.Format{forma},
Secure: ca.secure == "secure",
},
{
Type: "application",
Formats: []format.Format{forma},
Secure: ca.secure == "secure",
},
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{ca.scheme + "://" + listenIP + ":8554/test/stream?param=value/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
var l1s [2]net.PacketConn
var l2s [2]net.PacketConn
var clientPorts [2]*[2]int
var srtpInCtx [2]*wrappedSRTPContext
var srtpOutCtx [2]*wrappedSRTPContext
for i := 0; i < 2; i++ {
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
require.Equal(t, mustParseURL(
ca.scheme+"://"+listenIP+":8554/test/stream?param=value/"+medias[i].Control), req.URL)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
require.Equal(t, (*headers.TransportMode)(nil), inTH.Mode)
h := base.Header{}
th := headers.Transport{
Profile: inTH.Profile,
}
if ca.secure == "secure" {
require.Equal(t, headers.TransportProfileSAVP, inTH.Profile)
var keyMgmt headers.KeyMgmt
err2 = keyMgmt.Unmarshal(req.Header["KeyMgmt"])
require.NoError(t, err2)
srtpInCtx[i], err = mikeyToContext(keyMgmt.MikeyMessage)
require.NoError(t, err2)
outKey := make([]byte, srtpKeyLength)
_, err2 = rand.Read(outKey)
require.NoError(t, err2)
srtpOutCtx[i] = &wrappedSRTPContext{
key: outKey,
ssrcs: []uint32{0x38F27A2F},
startROCs: []uint32{10},
}
err2 = srtpOutCtx[i].initialize()
require.NoError(t, err2)
var mikeyMsg *mikey.Message
mikeyMsg, err = mikeyGenerate(srtpOutCtx[i])
require.NoError(t, err)
var enc base.HeaderValue
enc, err = headers.KeyMgmt{
URL: req.URL.String(),
MikeyMessage: mikeyMsg,
}.Marshal()
require.NoError(t, err)
h["KeyMgmt"] = enc
}
switch ca.transport {
case "udp":
v := headers.TransportDeliveryUnicast
th.Delivery = &v
th.Protocol = headers.TransportProtocolUDP
th.ClientPorts = inTH.ClientPorts
clientPorts[i] = inTH.ClientPorts
th.ServerPorts = &[2]int{34556 + i*2, 34557 + i*2}
l1s[i], err2 = net.ListenPacket(
"udp", net.JoinHostPort(listenIP, strconv.FormatInt(int64(th.ServerPorts[0]), 10)))
require.NoError(t, err2)
defer l1s[i].Close()
l2s[i], err2 = net.ListenPacket(
"udp", net.JoinHostPort(listenIP, strconv.FormatInt(int64(th.ServerPorts[1]), 10)))
require.NoError(t, err2)
defer l2s[i].Close()
case "multicast":
v := headers.TransportDeliveryMulticast
th.Delivery = &v
th.Protocol = headers.TransportProtocolUDP
th.Destination2 = ptrOf("224.1.0.1")
th.Ports = &[2]int{25000 + i*2, 25001 + i*2}
l1s[i], err2 = net.ListenPacket("udp", net.JoinHostPort("224.0.0.0", strconv.FormatInt(int64(th.Ports[0]), 10)))
require.NoError(t, err2)
defer l1s[i].Close()
p := ipv4.NewPacketConn(l1s[i])
var intfs []net.Interface
intfs, err2 = net.Interfaces()
require.NoError(t, err2)
for _, intf := range intfs {
err2 = p.JoinGroup(&intf, &net.UDPAddr{IP: net.ParseIP("224.1.0.1")})
require.NoError(t, err2)
}
l2s[i], err2 = net.ListenPacket("udp", net.JoinHostPort("224.0.0.0", strconv.FormatInt(int64(th.Ports[1]), 10)))
require.NoError(t, err2)
defer l2s[i].Close()
p = ipv4.NewPacketConn(l2s[i])
intfs, err2 = net.Interfaces()
require.NoError(t, err2)
for _, intf := range intfs {
err2 = p.JoinGroup(&intf, &net.UDPAddr{IP: net.ParseIP("224.1.0.1")})
require.NoError(t, err2)
}
case "tcp":
v := headers.TransportDeliveryUnicast
th.Delivery = &v
th.Protocol = headers.TransportProtocolTCP
th.InterleavedIDs = &[2]int{0 + i*2, 1 + i*2}
}
h["Transport"] = th.Marshal()
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: h,
})
require.NoError(t, err2)
}
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
require.Equal(t, mustParseURL(ca.scheme+"://"+listenIP+":8554/test/stream?param=value/"), req.URL)
require.Equal(t, base.HeaderValue{"npt=0-"}, req.Header["Range"])
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
// server -> client
for i := 0; i < 2; i++ {
buf := testRTPPacketMarshaled
if ca.secure == "secure" {
encr := make([]byte, 2000)
encr, err2 = srtpOutCtx[i].encryptRTP(encr, buf, nil)
require.NoError(t, err2)
buf = encr
}
switch ca.transport {
case "udp":
_, err2 = l1s[i].WriteTo(buf, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: clientPorts[i][0],
})
require.NoError(t, err2)
case "multicast":
_, err2 = l1s[i].WriteTo(buf, &net.UDPAddr{
IP: net.ParseIP("224.1.0.1"),
Port: 25000 + i*2,
})
require.NoError(t, err2)
case "tcp":
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0 + i*2,
Payload: buf,
}, make([]byte, 1024))
require.NoError(t, err2)
}
}
// skip firewall opening
if ca.transport == "udp" {
for i := 0; i < 2; i++ {
buf := make([]byte, 2048)
_, _, err2 = l2s[i].ReadFrom(buf)
require.NoError(t, err2)
}
}
// client -> server
for i := 0; i < 2; i++ {
var buf []byte
switch ca.transport {
case "udp", "multicast":
buf = make([]byte, 2048)
var n int
n, _, err2 = l2s[i].ReadFrom(buf)
require.NoError(t, err2)
buf = buf[:n]
case "tcp":
var f *base.InterleavedFrame
f, err2 = conn.ReadInterleavedFrame()
require.NoError(t, err2)
require.Equal(t, 1+i*2, f.Channel)
buf = f.Payload
}
if ca.secure == "secure" {
buf, err2 = srtpInCtx[i].decryptRTCP(buf, buf, nil)
require.NoError(t, err2)
}
require.Equal(t, testRTCPPacketMarshaled, buf)
}
close(packetRecv)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
require.Equal(t, mustParseURL(ca.scheme+"://"+listenIP+":8554/test/stream?param=value/"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
u, err := base.ParseURL(ca.scheme + "://" + listenIP + ":8554/test/stream?param=value")
require.NoError(t, err)
c := Client{
Scheme: u.Scheme,
Host: u.Host,
TLSConfig: &tls.Config{InsecureSkipVerify: true},
Transport: func() *TransportProtocol {
switch ca.transport {
case "udp":
v := TransportUDP
return &v
case "multicast":
v := TransportUDPMulticast
return &v
default: // tcp
v := TransportTCP
return &v
}
}(),
}
err = c.Start2()
require.NoError(t, err)
defer c.Close()
sd, _, err := c.Describe(u)
require.NoError(t, err)
// test that properties can be accessed in parallel
go func() {
c.Stats()
c.Transport2()
}()
err = c.SetupAll(sd.BaseURL, sd.Medias)
require.NoError(t, err)
c.OnPacketRTPAny(func(medi *description.Media, _ format.Format, pkt *rtp.Packet) {
require.Equal(t, &testRTPPacket, pkt)
err2 := c.WritePacketRTCP(medi, &testRTCPPacket)
require.NoError(t, err2)
})
_, err = c.Play(nil)
require.NoError(t, err)
<-packetRecv
s := c.Stats()
require.Equal(t, &ClientStats{
Conn: ConnStats{
BytesReceived: s.Conn.BytesReceived,
BytesSent: s.Conn.BytesSent,
},
Session: SessionStats{
BytesReceived: s.Session.BytesReceived,
BytesSent: s.Session.BytesSent,
RTPPacketsReceived: s.Session.RTPPacketsReceived,
RTCPPacketsReceived: s.Session.RTCPPacketsReceived,
RTCPPacketsSent: s.Session.RTCPPacketsSent,
Medias: map[*description.Media]SessionStatsMedia{
sd.Medias[0]: { //nolint:dupl
BytesReceived: s.Session.Medias[sd.Medias[0]].BytesReceived,
BytesSent: s.Session.Medias[sd.Medias[0]].BytesSent,
RTCPPacketsReceived: s.Session.Medias[sd.Medias[0]].RTCPPacketsReceived,
RTCPPacketsSent: s.Session.Medias[sd.Medias[0]].RTCPPacketsSent,
Formats: map[format.Format]SessionStatsFormat{
sd.Medias[0].Formats[0]: {
RTPPacketsReceived: s.Session.Medias[sd.Medias[0]].Formats[sd.Medias[0].Formats[0]].RTPPacketsReceived,
LocalSSRC: s.Session.Medias[sd.Medias[0]].Formats[sd.Medias[0].Formats[0]].LocalSSRC,
RemoteSSRC: s.Session.Medias[sd.Medias[0]].Formats[sd.Medias[0].Formats[0]].RemoteSSRC,
},
},
},
sd.Medias[1]: { //nolint:dupl
BytesReceived: s.Session.Medias[sd.Medias[1]].BytesReceived,
BytesSent: s.Session.Medias[sd.Medias[1]].BytesSent,
RTCPPacketsReceived: s.Session.Medias[sd.Medias[1]].RTCPPacketsReceived,
RTCPPacketsSent: s.Session.Medias[sd.Medias[1]].RTCPPacketsSent,
Formats: map[format.Format]SessionStatsFormat{
sd.Medias[1].Formats[0]: {
RTPPacketsReceived: s.Session.Medias[sd.Medias[1]].Formats[sd.Medias[1].Formats[0]].RTPPacketsReceived,
LocalSSRC: s.Session.Medias[sd.Medias[1]].Formats[sd.Medias[1].Formats[0]].LocalSSRC,
RemoteSSRC: s.Session.Medias[sd.Medias[1]].Formats[sd.Medias[1].Formats[0]].RemoteSSRC,
},
},
},
},
},
}, s)
require.Greater(t, s.Session.BytesSent, uint64(19))
require.Less(t, s.Session.BytesSent, uint64(70))
require.Greater(t, s.Session.BytesReceived, uint64(31))
require.Less(t, s.Session.BytesReceived, uint64(80))
})
}
}
func TestClientPlaySRTPVariants(t *testing.T) {
for _, ca := range []string{
"key-mgmt in sdp session",
"key-mgmt in sdp media",
"key-mgmt in setup response",
} {
t.Run(ca, func(t *testing.T) {
cert, err := tls.X509KeyPair(serverCert, serverKey)
require.NoError(t, err)
l, err := tls.Listen("tcp", "127.0.0.1:8554", &tls.Config{Certificates: []tls.Certificate{cert}})
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
outKey := make([]byte, srtpKeyLength)
_, err2 = rand.Read(outKey)
require.NoError(t, err2)
srtpOutCtx := &wrappedSRTPContext{
key: outKey,
ssrcs: []uint32{845234432},
}
err2 = srtpOutCtx.initialize()
require.NoError(t, err2)
mikeyMsg, err2 := mikeyGenerate(srtpOutCtx)
require.NoError(t, err2)
enc, err2 := mikeyMsg.Marshal()
require.NoError(t, err2)
var sdp string
switch ca {
case "key-mgmt in sdp session":
sdp = "v=0\n" +
"o=actionmovie 2891092738 2891092738 IN IP4 movie.example.com\n" +
"s=Action Movie\n" +
"t=0 0\n" +
"c=IN IP4 movie.example.com\n" +
"a=key-mgmt:mikey " + base64.StdEncoding.EncodeToString(enc) + "\n" +
"m=video 0 RTP/SAVP 96\n" +
"a=rtpmap:96 H264/90000\n" +
"a=control:trackID=0\n"
case "key-mgmt in sdp media":
sdp = "v=0\n" +
"o=actionmovie 2891092738 2891092738 IN IP4 movie.example.com\n" +
"s=Action Movie\n" +
"t=0 0\n" +
"c=IN IP4 movie.example.com\n" +
"m=video 0 RTP/SAVP 96\n" +
"a=key-mgmt:mikey " + base64.StdEncoding.EncodeToString(enc) + "\n" +
"a=rtpmap:96 H264/90000\n" +
"a=control:trackID=0\n"
case "key-mgmt in setup response":
sdp = "v=0\n" +
"o=actionmovie 2891092738 2891092738 IN IP4 movie.example.com\n" +
"s=Action Movie\n" +
"t=0 0\n" +
"c=IN IP4 movie.example.com\n" +
"m=video 0 RTP/SAVP 96\n" +
"a=rtpmap:96 H264/90000\n" +
"a=control:trackID=0\n"
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsps://127.0.0.1:8554/stream/"},
},
Body: []byte(sdp),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
require.Equal(t, (*headers.TransportMode)(nil), inTH.Mode)
th := headers.Transport{
Secure: true,
}
v := headers.TransportDeliveryUnicast
th.Delivery = &v
th.Protocol = headers.TransportProtocolUDP
th.ClientPorts = inTH.ClientPorts
th.ServerPorts = &[2]int{34556, 34557}
h := base.Header{
"Transport": th.Marshal(),
}
if ca == "key-mgmt in setup response" {
var enc base.HeaderValue
enc, err2 = headers.KeyMgmt{
URL: req.URL.String(),
MikeyMessage: mikeyMsg,
}.Marshal()
require.NoError(t, err2)
h["KeyMgmt"] = enc
}
l1, err2 := net.ListenPacket(
"udp", net.JoinHostPort("127.0.0.1", strconv.FormatInt(int64(th.ServerPorts[0]), 10)))
require.NoError(t, err2)
defer l1.Close()
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: h,
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
buf := testRTPPacketMarshaled
encr := make([]byte, 2000)
encr, err2 = srtpOutCtx.encryptRTP(encr, buf, nil)
require.NoError(t, err2)
buf = encr
_, err2 = l1.WriteTo(buf, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: th.ClientPorts[0],
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
}()
c := Client{
TLSConfig: &tls.Config{InsecureSkipVerify: true},
}
u, err := base.ParseURL("rtsps://127.0.0.1:8554/stream")
require.NoError(t, err)
err = c.Start(u.Scheme, u.Host)
require.NoError(t, err)
defer c.Close()
sd, _, err := c.Describe(u)
require.NoError(t, err)
err = c.SetupAll(sd.BaseURL, sd.Medias)
require.NoError(t, err)
packetRecv := make(chan struct{})
c.OnPacketRTPAny(func(_ *description.Media, _ format.Format, _ *rtp.Packet) {
close(packetRecv)
})
_, err = c.Play(nil)
require.NoError(t, err)
<-packetRecv
})
}
}
func TestClientPlayPartial(t *testing.T) {
listenIP := multicastCapableIP(t)
l, err := net.Listen("tcp", listenIP+":8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
require.Equal(t, mustParseURL("rtsp://"+listenIP+":8554/teststream"), req.URL)
forma := &format.Generic{
PayloadTyp: 96,
RTPMa: "private/90000",
}
err2 = forma.Init()
require.NoError(t, err2)
medias := []*description.Media{
{
Type: "application",
Formats: []format.Format{forma},
},
{
Type: "application",
Formats: []format.Format{forma},
},
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://" + listenIP + ":8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err = conn.ReadRequest()
require.NoError(t, err)
require.Equal(t, base.Setup, req.Method)
require.Equal(t, mustParseURL("rtsp://"+listenIP+":8554/teststream/"+medias[1].Control), req.URL)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
require.Equal(t, &[2]int{0, 1}, inTH.InterleavedIDs)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
Protocol: headers.TransportProtocolTCP,
InterleavedIDs: inTH.InterleavedIDs,
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
require.Equal(t, mustParseURL("rtsp://"+listenIP+":8554/teststream/"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
require.Equal(t, mustParseURL("rtsp://"+listenIP+":8554/teststream/"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
packetRecv := make(chan struct{})
u, err := base.ParseURL("rtsp://" + listenIP + ":8554/teststream")
require.NoError(t, err)
c := Client{
Scheme: u.Scheme,
Host: u.Host,
Transport: ptrOf(TransportTCP),
}
err = c.Start2()
require.NoError(t, err)
defer c.Close()
sd, _, err := c.Describe(u)
require.NoError(t, err)
_, err = c.Setup(sd.BaseURL, sd.Medias[1], 0, 0)
require.NoError(t, err)
c.OnPacketRTPAny(func(medi *description.Media, forma format.Format, pkt *rtp.Packet) {
require.Equal(t, sd.Medias[1], medi)
require.Equal(t, sd.Medias[1].Formats[0], forma)
require.Equal(t, &testRTPPacket, pkt)
close(packetRecv)
})
_, err = c.Play(nil)
require.NoError(t, err)
<-packetRecv
}
func TestClientPlayContentBase(t *testing.T) {
for _, ca := range []string{
"absent",
"inside control attribute",
} {
t.Run(ca, func(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream"), req.URL)
medias := []*description.Media{testH264Media}
switch ca {
case "absent":
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
case "inside control attribute":
body := string(mediasToSDP(medias))
body = strings.Replace(body, "t=0 0", "t=0 0\r\na=control:rtsp://localhost:8554/teststream", 1)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream2/"},
},
Body: []byte(body),
})
require.NoError(t, err2)
}
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream/"+medias[0].Control), req.URL)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
Protocol: headers.TransportProtocolUDP,
ClientPorts: inTH.ClientPorts,
ServerPorts: &[2]int{34556, 34557},
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
c := Client{}
err = readAll(&c, "rtsp://localhost:8554/teststream", nil)
require.NoError(t, err)
c.Close()
})
}
}
func TestClientPlayAnyPort(t *testing.T) {
for _, ca := range []string{
"zero",
"zero_one",
"no",
"random",
} {
t.Run(ca, func(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverRecv := make(chan struct{})
serverDone := make(chan struct{})
defer func() { <-serverDone }()
serverTerminate := make(chan struct{})
defer close(serverTerminate)
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var th headers.Transport
err2 = th.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
l1a, err2 := net.ListenPacket("udp", "localhost:13344")
require.NoError(t, err2)
defer l1a.Close()
l1b, err2 := net.ListenPacket("udp", "localhost:23041")
require.NoError(t, err2)
defer l1b.Close()
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": headers.Transport{
Protocol: headers.TransportProtocolUDP,
Delivery: ptrOf(headers.TransportDeliveryUnicast),
ClientPorts: th.ClientPorts,
ServerPorts: func() *[2]int {
switch ca {
case "zero":
return &[2]int{0, 0}
case "zero_one":
return &[2]int{0, 1}
case "no":
return nil
default: // random
return &[2]int{23040, 23041}
}
}(),
}.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
time.Sleep(500 * time.Millisecond)
_, err2 = l1a.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: th.ClientPorts[0],
})
require.NoError(t, err2)
// read RTCP
if ca == "random" {
// skip firewall opening
buf := make([]byte, 2048)
_, _, err2 = l1b.ReadFrom(buf)
require.NoError(t, err2)
buf = make([]byte, 2048)
var n int
n, _, err2 = l1b.ReadFrom(buf)
require.NoError(t, err2)
var packets []rtcp.Packet
packets, err2 = rtcp.Unmarshal(buf[:n])
require.NoError(t, err2)
require.Equal(t, &testRTCPPacket, packets[0])
close(serverRecv)
}
<-serverTerminate
}()
packetRecv := make(chan struct{})
c := Client{
AnyPortEnable: true,
}
var med *description.Media
err = readAll(&c, "rtsp://localhost:8554/teststream",
func(medi *description.Media, _ format.Format, pkt *rtp.Packet) {
require.Equal(t, &testRTPPacket, pkt)
med = medi
close(packetRecv)
})
require.NoError(t, err)
defer c.Close()
<-packetRecv
if ca == "random" {
err = c.WritePacketRTCP(med, &testRTCPPacket)
require.NoError(t, err)
<-serverRecv
}
})
}
}
func TestClientPlayAutomaticProtocol(t *testing.T) {
t.Run("switch after status code", func(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusUnsupportedTransport,
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
require.Equal(t, headers.TransportProtocolTCP, inTH.Protocol)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": headers.Transport{
Protocol: headers.TransportProtocolTCP,
Delivery: ptrOf(headers.TransportDeliveryUnicast),
InterleavedIDs: &[2]int{0, 1},
}.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
}()
msgRecv := make(chan struct{})
packetRecv := make(chan struct{})
c := Client{
OnTransportSwitch: func(err error) {
require.EqualError(t, err, "switching to TCP because server requested it")
close(msgRecv)
},
}
err = readAll(&c, "rtsp://localhost:8554/teststream",
func(_ *description.Media, _ format.Format, _ *rtp.Packet) {
close(packetRecv)
})
require.NoError(t, err)
defer c.Close()
<-msgRecv
<-packetRecv
})
t.Run("switch after tcp response", func(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
medias := []*description.Media{testH264Media}
func() {
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
co := conn.NewConn(nconn)
req, err2 := co.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = co.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = co.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
err2 = co.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = co.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
err2 = co.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": headers.Transport{
Protocol: headers.TransportProtocolTCP,
Delivery: ptrOf(headers.TransportDeliveryUnicast),
InterleavedIDs: &[2]int{0, 1},
ServerPorts: &[2]int{12312, 12313},
}.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = co.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
err2 = co.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
_, err2 = co.ReadRequest()
require.Error(t, err2)
}()
func() {
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
co := conn.NewConn(nconn)
req, err2 := co.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = co.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = co.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
err2 = co.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = co.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
require.Equal(t, headers.TransportProtocolTCP, inTH.Protocol)
err2 = co.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": headers.Transport{
Protocol: headers.TransportProtocolTCP,
Delivery: ptrOf(headers.TransportDeliveryUnicast),
InterleavedIDs: &[2]int{0, 1},
}.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = co.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = co.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
err2 = co.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
}()
}()
msgRecv := make(chan struct{})
packetRecv := make(chan struct{})
c := Client{
OnTransportSwitch: func(err error) {
require.EqualError(t, err, "switching to TCP because server requested it")
close(msgRecv)
},
}
err = readAll(&c, "rtsp://localhost:8554/teststream",
func(_ *description.Media, _ format.Format, _ *rtp.Packet) {
close(packetRecv)
})
require.NoError(t, err)
defer c.Close()
<-msgRecv
<-packetRecv
})
t.Run("switch after timeout", func(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
medias := []*description.Media{testH264Media}
func() {
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
nonce, err2 := auth.GenerateNonce()
require.NoError(t, err2)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusUnauthorized,
Header: base.Header{
"WWW-Authenticate": auth.GenerateWWWAuthenticate(nil, "IPCAM", nonce),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
err2 = auth.Verify(req, "myuser", "mypass", nil, "IPCAM", nonce)
require.NoError(t, err2)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream/"+medias[0].Control), req.URL)
var inTH headers.Transport
err = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
Protocol: headers.TransportProtocolUDP,
ServerPorts: &[2]int{34556, 34557},
ClientPorts: inTH.ClientPorts,
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
func() {
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
nonce, err2 := auth.GenerateNonce()
require.NoError(t, err2)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusUnauthorized,
Header: base.Header{
"WWW-Authenticate": auth.GenerateWWWAuthenticate(nil, "IPCAM", nonce),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream/"+medias[0].Control), req.URL)
err2 = auth.Verify(req, "myuser", "mypass", nil, "IPCAM", nonce)
require.NoError(t, err2)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
Protocol: headers.TransportProtocolTCP,
InterleavedIDs: inTH.InterleavedIDs,
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
}()
msgRecv := make(chan struct{})
packetRecv := make(chan struct{})
c := Client{
OnTransportSwitch: func(err error) {
require.EqualError(t, err, "no UDP packets received, switching to TCP")
close(msgRecv)
},
ReadTimeout: 1 * time.Second,
}
err = readAll(&c, "rtsp://myuser:mypass@localhost:8554/teststream",
func(_ *description.Media, _ format.Format, _ *rtp.Packet) {
close(packetRecv)
})
require.NoError(t, err)
defer c.Close()
<-msgRecv
<-packetRecv
})
}
func TestClientPlayDifferentInterleavedIDs(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream"), req.URL)
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream/"+medias[0].Control), req.URL)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
Protocol: headers.TransportProtocolTCP,
InterleavedIDs: &[2]int{1, 2}, // use odd value
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream/"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 1,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/teststream/"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
packetRecv := make(chan struct{})
c := Client{
Transport: ptrOf(TransportTCP),
}
err = readAll(&c, "rtsp://localhost:8554/teststream",
func(_ *description.Media, _ format.Format, _ *rtp.Packet) {
close(packetRecv)
})
require.NoError(t, err)
defer c.Close()
<-packetRecv
}
func TestClientPlayRedirect(t *testing.T) {
for _, ca := range []string{
"without credentials",
"with credentials",
} {
t.Run(ca, func(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
func() {
var nconn net.Conn
nconn, err = l.Accept()
require.NoError(t, err)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusMovedPermanently,
Header: base.Header{
"Location": base.HeaderValue{"rtsp://localhost:8554/test"},
},
})
require.NoError(t, err2)
}()
func() {
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
if ca == "with credentials" {
if _, exists := req.Header["Authorization"]; !exists {
authRealm := "example@localhost"
authNonce := "exampleNonce"
authOpaque := "exampleOpaque"
authStale := "FALSE"
err2 = conn.WriteResponse(&base.Response{
Header: base.Header{
"WWW-Authenticate": headers.Authenticate{
Method: headers.AuthMethodDigest,
Realm: authRealm,
Nonce: authNonce,
Opaque: &authOpaque,
Stale: &authStale,
}.Marshal(),
},
StatusCode: base.StatusUnauthorized,
})
require.NoError(t, err2)
}
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
authHeaderVal, exists := req.Header["Authorization"]
require.True(t, exists)
var authHeader headers.Authorization
require.NoError(t, authHeader.Unmarshal(authHeaderVal))
require.Equal(t, authHeader.Username, "testusr")
require.Equal(t, base.Describe, req.Method)
}
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var th headers.Transport
err2 = th.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": headers.Transport{
Protocol: headers.TransportProtocolUDP,
Delivery: ptrOf(headers.TransportDeliveryUnicast),
ClientPorts: th.ClientPorts,
ServerPorts: &[2]int{34556, 34557},
}.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
time.Sleep(500 * time.Millisecond)
l1, err2 := net.ListenPacket("udp", "localhost:34556")
require.NoError(t, err2)
defer l1.Close()
_, err2 = l1.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: th.ClientPorts[0],
})
require.NoError(t, err2)
}()
}()
packetRecv := make(chan struct{})
c := Client{}
ru := "rtsp://localhost:8554/path1"
if ca == "with credentials" {
ru = "rtsp://testusr:testpwd@localhost:8554/path1"
}
err = readAll(&c, ru,
func(_ *description.Media, _ format.Format, _ *rtp.Packet) {
close(packetRecv)
})
require.NoError(t, err)
defer c.Close()
<-packetRecv
})
}
}
func TestClientPlayRedirectPreventDecrypt(t *testing.T) {
cert, err := tls.X509KeyPair(serverCert, serverKey)
require.NoError(t, err)
l, err := tls.Listen("tcp", "localhost:8554", &tls.Config{Certificates: []tls.Certificate{cert}})
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
var nconn net.Conn
nconn, err = l.Accept()
require.NoError(t, err)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusMovedPermanently,
Header: base.Header{
"Location": base.HeaderValue{"rtsp://localhost:8554/test"},
},
})
require.NoError(t, err2)
}()
c := Client{TLSConfig: &tls.Config{InsecureSkipVerify: true}}
err = readAll(&c, "rtsps://localhost:8554/test", nil)
require.EqualError(t, err, "connection cannot be downgraded from RTSPS to RTSP")
defer c.Close()
}
func TestClientPlayPausePlay(t *testing.T) {
writeFrames := func(inTH *headers.Transport, conn *conn.Conn) (chan struct{}, chan struct{}) {
writerTerminate := make(chan struct{})
writerDone := make(chan struct{})
go func() {
defer close(writerDone)
var l1 net.PacketConn
if inTH.Protocol == headers.TransportProtocolUDP {
var err error
l1, err = net.ListenPacket("udp", "localhost:34556")
require.NoError(t, err)
defer l1.Close()
}
ti := time.NewTicker(50 * time.Millisecond)
defer ti.Stop()
for {
select {
case <-ti.C:
if inTH.Protocol == headers.TransportProtocolUDP {
_, err := l1.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: inTH.ClientPorts[0],
})
require.NoError(t, err)
} else {
err := conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err)
}
case <-writerTerminate:
return
}
}
}()
return writerTerminate, writerDone
}
for _, transport := range []string{
"udp",
"tcp",
} {
t.Run(transport, func(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
}
if transport == "udp" {
th.Protocol = headers.TransportProtocolUDP
th.ServerPorts = &[2]int{34556, 34557}
th.ClientPorts = inTH.ClientPorts
} else {
th.Protocol = headers.TransportProtocolTCP
th.InterleavedIDs = inTH.InterleavedIDs
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
writerTerminate, writerDone := writeFrames(&inTH, conn)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Pause, req.Method)
close(writerTerminate)
<-writerDone
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
writerTerminate, writerDone = writeFrames(&inTH, conn)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
close(writerTerminate)
<-writerDone
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
firstFrame := int32(0)
packetRecv := make(chan struct{})
c := Client{
Transport: func() *TransportProtocol {
if transport == "udp" {
v := TransportUDP
return &v
}
v := TransportTCP
return &v
}(),
}
err = readAll(&c, "rtsp://localhost:8554/teststream",
func(_ *description.Media, _ format.Format, _ *rtp.Packet) {
if atomic.SwapInt32(&firstFrame, 1) == 0 {
close(packetRecv)
}
})
require.NoError(t, err)
defer c.Close()
<-packetRecv
_, err = c.Pause()
require.NoError(t, err)
firstFrame = int32(0)
packetRecv = make(chan struct{})
_, err = c.Play(nil)
require.NoError(t, err)
<-packetRecv
})
}
}
func TestClientPlayRTCPReport(t *testing.T) {
reportReceived := make(chan struct{})
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
l1, err2 := net.ListenPacket("udp", "localhost:27556")
require.NoError(t, err2)
defer l1.Close()
l2, err2 := net.ListenPacket("udp", "localhost:27557")
require.NoError(t, err2)
defer l2.Close()
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": headers.Transport{
Protocol: headers.TransportProtocolUDP,
Delivery: ptrOf(headers.TransportDeliveryUnicast),
ServerPorts: &[2]int{27556, 27557},
ClientPorts: inTH.ClientPorts,
}.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
// skip firewall opening
buf := make([]byte, 2048)
_, _, err2 = l2.ReadFrom(buf)
require.NoError(t, err2)
_, err2 = l1.WriteTo(mustMarshalPacketRTP(&rtp.Packet{
Header: rtp.Header{
Version: 2,
Marker: true,
PayloadType: 96,
SequenceNumber: 946,
Timestamp: 54352,
SSRC: 753621,
},
Payload: []byte{0x05, 0x02, 0x03, 0x04},
}), &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: inTH.ClientPorts[0],
})
require.NoError(t, err2)
// wait for the packet's SSRC to be saved
time.Sleep(200 * time.Millisecond)
_, err2 = l2.WriteTo(mustMarshalPacketRTCP(&rtcp.SenderReport{
SSRC: 753621,
NTPTime: ntp.Encode(time.Date(2017, 8, 12, 15, 30, 0, 0, time.UTC)),
RTPTime: 54352,
PacketCount: 1,
OctetCount: 4,
}), &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: inTH.ClientPorts[1],
})
require.NoError(t, err2)
buf = make([]byte, 2048)
n, _, err2 := l2.ReadFrom(buf)
require.NoError(t, err2)
packets, err2 := rtcp.Unmarshal(buf[:n])
require.NoError(t, err2)
rr, ok := packets[0].(*rtcp.ReceiverReport)
require.True(t, ok)
require.Equal(t, &rtcp.ReceiverReport{
SSRC: rr.SSRC,
Reports: []rtcp.ReceptionReport{
{
SSRC: rr.Reports[0].SSRC,
LastSequenceNumber: 946,
LastSenderReport: 2641887232,
Delay: rr.Reports[0].Delay,
},
},
ProfileExtensions: []uint8{},
}, rr)
close(reportReceived)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
c := Client{
receiverReportPeriod: 500 * time.Millisecond,
}
err = readAll(&c, "rtsp://localhost:8554/teststream", nil)
require.NoError(t, err)
defer c.Close()
<-reportReceived
}
func TestClientPlayErrorTimeout(t *testing.T) {
for _, transport := range []string{
"udp",
"tcp",
"auto",
} {
t.Run(transport, func(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
}
var l1 net.PacketConn
if transport == "udp" || transport == "auto" {
l1, err2 = net.ListenPacket("udp", "localhost:34556")
require.NoError(t, err2)
defer l1.Close()
th.Protocol = headers.TransportProtocolUDP
th.ServerPorts = &[2]int{34556, 34557}
th.ClientPorts = inTH.ClientPorts
} else {
th.Protocol = headers.TransportProtocolTCP
th.InterleavedIDs = inTH.InterleavedIDs
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
if transport == "auto" {
// write a packet to skip the protocol autodetection feature
_, err2 = l1.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: th.ClientPorts[0],
})
require.NoError(t, err2)
}
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
c := Client{
Transport: func() *TransportProtocol {
switch transport {
case "udp":
v := TransportUDP
return &v
case "tcp":
v := TransportTCP
return &v
}
return nil
}(),
InitialUDPReadTimeout: 1 * time.Second,
ReadTimeout: 1 * time.Second,
}
err = readAll(&c, "rtsp://localhost:8554/teststream", nil)
require.NoError(t, err)
err = c.Wait()
switch transport {
case "udp", "auto":
require.EqualError(t, err, "UDP timeout")
case "tcp":
require.EqualError(t, err, "TCP timeout")
}
})
}
}
func TestClientPlayIgnoreTCPInvalidMedia(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
medias := []*description.Media{testH264Media}
err = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
}
th.Protocol = headers.TransportProtocolTCP
th.InterleavedIDs = inTH.InterleavedIDs
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 6,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
recv := make(chan struct{})
c := Client{
Transport: ptrOf(TransportTCP),
}
err = readAll(&c, "rtsp://localhost:8554/teststream",
func(_ *description.Media, _ format.Format, _ *rtp.Packet) {
close(recv)
})
require.NoError(t, err)
defer c.Close()
<-recv
}
func TestClientPlayKeepAlive(t *testing.T) {
for _, ca := range []string{"response before frame", "response after frame", "no response"} {
t.Run(ca, func(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"CSeq": req.Header["CSeq"],
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"CSeq": req.Header["CSeq"],
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"CSeq": req.Header["CSeq"],
"Transport": headers.Transport{
Protocol: headers.TransportProtocolTCP,
Delivery: ptrOf(headers.TransportDeliveryUnicast),
InterleavedIDs: &[2]int{0, 1},
}.Marshal(),
"Session": headers.Session{
Session: "ABCDE",
Timeout: ptrOf(uint(1)),
}.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"CSeq": req.Header["CSeq"],
},
})
require.NoError(t, err2)
recv := make(chan struct{})
go func() {
defer close(recv)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
}()
select {
case <-recv:
case <-time.After(2 * time.Second):
t.Errorf("should not happen")
}
if ca == "response before frame" {
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"CSeq": req.Header["CSeq"],
},
})
require.NoError(t, err2)
}
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
if ca == "response after frame" {
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
}()
done1 := make(chan struct{})
done2 := make(chan struct{})
n := 0
m := 0
v := TransportTCP
c := Client{
Transport: &v,
OnResponse: func(_ *base.Response) {
m++
if ca != "no response" {
if m >= 5 {
close(done2)
}
} else {
if m >= 4 {
close(done2)
}
}
},
}
err = readAll(&c, "rtsp://localhost:8554/teststream",
func(_ *description.Media, _ format.Format, pkt *rtp.Packet) {
require.Equal(t, &testRTPPacket, pkt)
n++
if n == 2 {
close(done1)
}
})
require.NoError(t, err)
defer c.Close()
<-done1
<-done2
})
}
}
func TestClientPlayDifferentSource(t *testing.T) {
packetRecv := make(chan struct{})
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/test/stream?param=value"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/test/stream?param=value"), req.URL)
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/test/stream?param=value/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/test/stream?param=value/"+medias[0].Control), req.URL)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
Protocol: headers.TransportProtocolUDP,
ClientPorts: inTH.ClientPorts,
ServerPorts: &[2]int{34556, 34557},
Source: ptrOf(net.ParseIP("127.0.1.1")),
}
l1, err2 := net.ListenPacket("udp", "127.0.1.1:34556")
require.NoError(t, err2)
defer l1.Close()
l2, err2 := net.ListenPacket("udp", "127.0.1.1:34557")
require.NoError(t, err2)
defer l2.Close()
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/test/stream?param=value/"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
_, err2 = l1.WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: th.ClientPorts[0],
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
require.Equal(t, mustParseURL("rtsp://localhost:8554/test/stream?param=value/"), req.URL)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
c := Client{
Transport: ptrOf(TransportUDP),
}
err = readAll(&c, "rtsp://localhost:8554/test/stream?param=value",
func(_ *description.Media, _ format.Format, pkt *rtp.Packet) {
require.Equal(t, &testRTPPacket, pkt)
close(packetRecv)
})
require.NoError(t, err)
defer c.Close()
<-packetRecv
}
func TestClientPlayDecodeErrors(t *testing.T) {
for _, ca := range []struct {
proto string
name string
}{
{"udp", "rtp invalid"},
{"udp", "rtcp invalid"},
{"udp", "rtp packets lost"},
{"udp", "rtp unknown payload type"},
{"udp", "wrong ssrc"},
{"udp", "rtcp too big"},
{"udp", "rtp too big"},
{"tcp", "rtp invalid"},
{"tcp", "rtcp invalid"},
{"tcp", "rtp unknown payload type"},
{"tcp", "wrong ssrc"},
{"tcp", "rtcp too big"},
} {
t.Run(ca.proto+" "+ca.name, func(t *testing.T) {
errorRecv := make(chan struct{})
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
medias := []*description.Media{{
Type: description.MediaTypeApplication,
Formats: []format.Format{&format.Generic{
PayloadTyp: 97,
RTPMa: "private/90000",
}},
}}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/stream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
th := headers.Transport{
Delivery: ptrOf(headers.TransportDeliveryUnicast),
}
if ca.proto == "udp" {
th.Protocol = headers.TransportProtocolUDP
th.ClientPorts = inTH.ClientPorts
th.ServerPorts = &[2]int{34556, 34557}
} else {
th.Protocol = headers.TransportProtocolTCP
th.InterleavedIDs = inTH.InterleavedIDs
}
var l1 net.PacketConn
var l2 net.PacketConn
if ca.proto == "udp" {
l1, err2 = net.ListenPacket("udp", "127.0.0.1:34556")
require.NoError(t, err2)
defer l1.Close()
l2, err2 = net.ListenPacket("udp", "127.0.0.1:34557")
require.NoError(t, err2)
defer l2.Close()
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
var writeRTP func(buf []byte)
var writeRTCP func(byts []byte)
if ca.proto == "udp" { //nolint:dupl
writeRTP = func(byts []byte) {
_, err2 = l1.WriteTo(byts, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: th.ClientPorts[0],
})
require.NoError(t, err2)
}
writeRTCP = func(byts []byte) {
_, err2 = l2.WriteTo(byts, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: th.ClientPorts[1],
})
require.NoError(t, err2)
}
} else {
writeRTP = func(byts []byte) {
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: byts,
}, make([]byte, 2048))
require.NoError(t, err2)
}
writeRTCP = func(byts []byte) {
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 1,
Payload: byts,
}, make([]byte, 2048))
require.NoError(t, err2)
}
}
switch { //nolint:dupl
case ca.name == "rtp invalid":
writeRTP([]byte{0x01, 0x02})
case ca.name == "rtcp invalid":
writeRTCP([]byte{0x01, 0x02})
case ca.name == "rtcp too big":
writeRTCP(bytes.Repeat([]byte{0x01, 0x02}, 2000/2))
case ca.name == "rtp packets lost":
writeRTP(mustMarshalPacketRTP(&rtp.Packet{
Header: rtp.Header{
PayloadType: 97,
SequenceNumber: 30,
},
}))
writeRTP(mustMarshalPacketRTP(&rtp.Packet{
Header: rtp.Header{
PayloadType: 97,
SequenceNumber: 100,
},
}))
case ca.name == "rtp unknown payload type":
writeRTP(mustMarshalPacketRTP(&rtp.Packet{
Header: rtp.Header{
PayloadType: 111,
},
}))
case ca.name == "wrong ssrc":
writeRTP(mustMarshalPacketRTP(&rtp.Packet{
Header: rtp.Header{
PayloadType: 97,
SequenceNumber: 1,
SSRC: 123,
},
}))
writeRTP(mustMarshalPacketRTP(&rtp.Packet{
Header: rtp.Header{
PayloadType: 97,
SequenceNumber: 2,
SSRC: 456,
},
}))
case ca.proto == "udp" && ca.name == "rtp too big":
_, err2 = l1.WriteTo(bytes.Repeat([]byte{0x01, 0x02}, 2000/2), &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: th.ClientPorts[0],
})
require.NoError(t, err2)
}
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
c := Client{
Transport: func() *TransportProtocol {
if ca.proto == "udp" {
v := TransportUDP
return &v
}
v := TransportTCP
return &v
}(),
OnPacketsLost: func(lost uint64) {
require.Equal(t, uint64(69), lost)
close(errorRecv)
},
OnDecodeError: func(err error) {
switch {
case ca.name == "rtp invalid":
require.EqualError(t, err, "RTP header size insufficient: 2 < 4")
case ca.name == "rtcp invalid":
require.EqualError(t, err, "rtcp: packet too short")
case ca.name == "rtp unknown payload type":
require.EqualError(t, err, "received RTP packet with unknown payload type: 111")
case ca.name == "wrong ssrc":
require.EqualError(t, err, "received packet with wrong SSRC 456, expected 123")
case ca.proto == "udp" && ca.name == "rtcp too big":
require.EqualError(t, err, "RTCP packet is too big to be read with UDP")
case ca.proto == "tcp" && ca.name == "rtcp too big":
require.EqualError(t, err, "RTCP packet size (2000) is greater than maximum allowed (1472)")
case ca.proto == "udp" && ca.name == "rtp too big":
require.EqualError(t, err, "RTP packet is too big to be read with UDP")
default:
t.Errorf("unexpected")
}
close(errorRecv)
},
}
err = readAll(&c, "rtsp://localhost:8554/stream", nil)
require.NoError(t, err)
defer c.Close()
<-errorRecv
})
}
}
func TestClientPlayPacketNTP(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
medias := []*description.Media{testH264Media}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP(medias),
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
l1, err2 := net.ListenPacket("udp", "localhost:27556")
require.NoError(t, err2)
defer l1.Close()
l2, err2 := net.ListenPacket("udp", "localhost:27557")
require.NoError(t, err2)
defer l2.Close()
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": headers.Transport{
Protocol: headers.TransportProtocolUDP,
Delivery: ptrOf(headers.TransportDeliveryUnicast),
ServerPorts: &[2]int{27556, 27557},
ClientPorts: inTH.ClientPorts,
}.Marshal(),
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
// skip firewall opening
buf := make([]byte, 2048)
_, _, err2 = l2.ReadFrom(buf)
require.NoError(t, err2)
_, err2 = l1.WriteTo(mustMarshalPacketRTP(&rtp.Packet{
Header: rtp.Header{
Version: 2,
Marker: true,
PayloadType: 96,
SequenceNumber: 946,
Timestamp: 54352,
SSRC: 753621,
},
Payload: []byte{1, 2, 3, 4},
}), &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: inTH.ClientPorts[0],
})
require.NoError(t, err2)
// wait for the packet's SSRC to be saved
time.Sleep(100 * time.Millisecond)
_, err2 = l2.WriteTo(mustMarshalPacketRTCP(&rtcp.SenderReport{
SSRC: 753621,
NTPTime: ntp.Encode(time.Date(2017, 8, 12, 15, 30, 0, 0, time.UTC)),
RTPTime: 54352,
PacketCount: 1,
OctetCount: 4,
}), &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: inTH.ClientPorts[1],
})
require.NoError(t, err2)
time.Sleep(100 * time.Millisecond)
_, err2 = l1.WriteTo(mustMarshalPacketRTP(&rtp.Packet{
Header: rtp.Header{
Version: 2,
Marker: true,
PayloadType: 96,
SequenceNumber: 947,
Timestamp: 54352 + 90000,
SSRC: 753621,
},
Payload: []byte{5, 6, 7, 8},
}), &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: inTH.ClientPorts[0],
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
c := Client{}
recv := make(chan struct{})
first := false
err = readAll(&c, "rtsp://localhost:8554/teststream",
func(medi *description.Media, _ format.Format, pkt *rtp.Packet) {
if !first {
first = true
} else {
ntp, ok := c.PacketNTP(medi, pkt)
require.Equal(t, true, ok)
require.Equal(t, time.Date(2017, 8, 12, 15, 30, 1, 0, time.UTC), ntp.UTC())
close(recv)
}
})
require.NoError(t, err)
defer c.Close()
<-recv
}
func TestClientPlayBackChannel(t *testing.T) {
for _, transport := range []string{
"udp",
"tcp",
} {
t.Run(transport, func(t *testing.T) {
serverOk := make(chan struct{})
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
conn := conn.NewConn(nconn)
req, err2 := conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Public": base.HeaderValue{strings.Join([]string{
string(base.Describe),
string(base.Setup),
string(base.Play),
}, ", ")},
},
})
require.NoError(t, err2)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Describe, req.Method)
require.Equal(t, base.HeaderValue{"www.onvif.org/ver20/backchannel"}, req.Header["Require"])
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Content-Type": base.HeaderValue{"application/sdp"},
"Content-Base": base.HeaderValue{"rtsp://localhost:8554/teststream/"},
},
Body: mediasToSDP([]*description.Media{
testH264Media,
{
Type: description.MediaTypeAudio,
Formats: []format.Format{&format.G711{
PayloadTyp: 8,
MULaw: false,
SampleRate: 8000,
ChannelCount: 1,
}},
IsBackChannel: true,
},
}),
})
require.NoError(t, err2)
var l1s [2]net.PacketConn
var l2s [2]net.PacketConn
var clientPorts [2]*[2]int
for i := 0; i < 2; i++ {
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Setup, req.Method)
if i == 0 {
require.Equal(t, base.HeaderValue(nil), req.Header["Require"])
} else {
require.Equal(t, base.HeaderValue{"www.onvif.org/ver20/backchannel"}, req.Header["Require"])
}
var inTH headers.Transport
err2 = inTH.Unmarshal(req.Header["Transport"])
require.NoError(t, err2)
var th headers.Transport
v := headers.TransportDeliveryUnicast
th.Delivery = &v
switch transport {
case "udp":
th.Protocol = headers.TransportProtocolUDP
th.ClientPorts = inTH.ClientPorts
clientPorts[i] = inTH.ClientPorts
th.ServerPorts = &[2]int{34556 + i*2, 34557 + i*2}
l1s[i], err2 = net.ListenPacket(
"udp", net.JoinHostPort("127.0.0.1", strconv.FormatInt(int64(th.ServerPorts[0]), 10)))
require.NoError(t, err2)
defer l1s[i].Close()
l2s[i], err2 = net.ListenPacket(
"udp", net.JoinHostPort("127.0.0.1", strconv.FormatInt(int64(th.ServerPorts[1]), 10)))
require.NoError(t, err2)
defer l2s[i].Close()
case "tcp":
th.Protocol = headers.TransportProtocolTCP
th.InterleavedIDs = &[2]int{0 + i*2, 1 + i*2}
}
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
Header: base.Header{
"Transport": th.Marshal(),
"Session": headers.Session{
Session: "ABCDE",
Timeout: ptrOf(uint(1)),
}.Marshal(),
},
})
require.NoError(t, err2)
}
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Play, req.Method)
require.Equal(t, base.HeaderValue{"www.onvif.org/ver20/backchannel"}, req.Header["Require"])
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
var pl []byte
// client -> server
if transport == "udp" {
buf := make([]byte, 2048)
var n int
n, _, err2 = l1s[1].ReadFrom(buf)
require.NoError(t, err2)
pl = buf[:n]
} else {
var f *base.InterleavedFrame
f, err2 = conn.ReadInterleavedFrame()
require.NoError(t, err2)
require.Equal(t, 2, f.Channel)
pl = f.Payload
}
var pkt rtp.Packet
err2 = pkt.Unmarshal(pl)
require.NoError(t, err2)
require.Equal(t, rtp.Packet{
Header: rtp.Header{
Version: 2,
CSRC: []uint32{},
PayloadType: 8,
SSRC: pkt.SSRC,
},
Payload: []byte{1, 2, 3, 4},
}, pkt)
// server -> client
if transport == "udp" {
_, err = l1s[0].WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
IP: net.ParseIP("127.0.0.1"),
Port: clientPorts[0][0],
})
require.NoError(t, err2)
} else {
err2 = conn.WriteInterleavedFrame(&base.InterleavedFrame{
Channel: 0,
Payload: testRTPPacketMarshaled,
}, make([]byte, 1024))
require.NoError(t, err2)
}
// client -> server RCTP sender report
if transport == "udp" {
buf := make([]byte, 2048)
var n int
n, _, err2 = l2s[1].ReadFrom(buf)
require.NoError(t, err2)
pl = buf[:n]
} else {
var f *base.InterleavedFrame
f, err2 = conn.ReadInterleavedFrame()
require.NoError(t, err2)
require.Equal(t, 3, f.Channel)
pl = f.Payload
}
packets, err2 := rtcp.Unmarshal(pl)
require.NoError(t, err2)
require.Equal(t, []rtcp.Packet{&rtcp.SenderReport{
SSRC: packets[0].(*rtcp.SenderReport).SSRC,
NTPTime: packets[0].(*rtcp.SenderReport).NTPTime,
RTPTime: packets[0].(*rtcp.SenderReport).RTPTime,
PacketCount: 1,
OctetCount: 4,
}}, packets)
// client -> server RTCP receiver report (UDP only)
if transport == "udp" {
buf := make([]byte, 2048)
var n int
n, _, err2 = l2s[0].ReadFrom(buf)
require.NoError(t, err2)
pl = buf[:n]
packets, err2 = rtcp.Unmarshal(pl)
require.NoError(t, err2)
require.Equal(t, []rtcp.Packet{&rtcp.ReceiverReport{
ProfileExtensions: []uint8{},
}}, packets)
}
// client -> server keepalive
recv := make(chan struct{})
go func() {
defer close(recv)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Options, req.Method)
}()
select {
case <-recv:
case <-time.After(2 * time.Second):
t.Errorf("should not happen")
}
close(serverOk)
req, err2 = conn.ReadRequest()
require.NoError(t, err2)
require.Equal(t, base.Teardown, req.Method)
require.Equal(t, base.HeaderValue{"www.onvif.org/ver20/backchannel"}, req.Header["Require"])
err2 = conn.WriteResponse(&base.Response{
StatusCode: base.StatusOK,
})
require.NoError(t, err2)
}()
u, err := base.ParseURL("rtsp://localhost:8554/teststream")
require.NoError(t, err)
c := Client{
Scheme: u.Scheme,
Host: u.Host,
RequestBackChannels: true,
Transport: func() *TransportProtocol {
if transport == "tcp" {
return ptrOf(TransportTCP)
}
return ptrOf(TransportUDP)
}(),
senderReportPeriod: 500 * time.Millisecond,
receiverReportPeriod: 750 * time.Millisecond,
}
err = c.Start2()
require.NoError(t, err)
defer c.Close()
sd, _, err := c.Describe(u)
require.NoError(t, err)
err = c.SetupAll(sd.BaseURL, sd.Medias)
require.NoError(t, err)
recv := make(chan struct{})
c.OnPacketRTP(sd.Medias[0], sd.Medias[0].Formats[0], func(_ *rtp.Packet) {
close(recv)
})
_, err = c.Play(nil)
require.NoError(t, err)
err = c.WritePacketRTP(sd.Medias[1], &rtp.Packet{
Header: rtp.Header{
Version: 2,
PayloadType: 8,
CSRC: []uint32{},
SSRC: 0x38F27A2F,
},
Payload: []byte{1, 2, 3, 4},
})
require.NoError(t, err)
<-recv
<-serverOk
})
}
}
func TestClientPlaySetupErrorBackChannel(t *testing.T) {
l, err := net.Listen("tcp", "localhost:8554")
require.NoError(t, err)
defer l.Close()
serverDone := make(chan struct{})
defer func() { <-serverDone }()
go func() {
defer close(serverDone)
nconn, err2 := l.Accept()
require.NoError(t, err2)
defer nconn.Close()
}()
u, err := base.ParseURL("rtsp://localhost:8554/teststream")
require.NoError(t, err)
c := Client{
Scheme: u.Scheme,
Host: u.Host,
}
err = c.Start2()
require.NoError(t, err)
defer c.Close()
_, err = c.Setup(&base.URL{
Path: "baseurl",
}, &description.Media{
Type: description.MediaTypeVideo,
IsBackChannel: true,
Control: "testcontrol",
}, 0, 0)
require.EqualError(t, err, "we are setupping a back channel but we did not request back channels")
}