package gortsplib

import (
	"bytes"
	"crypto/tls"
	"net"
	"strconv"
	"testing"
	"time"

	"github.com/pion/rtcp"
	"github.com/pion/rtp"
	psdp "github.com/pion/sdp/v3"
	"github.com/stretchr/testify/require"

	"github.com/bluenviron/gortsplib/v3/pkg/base"
	"github.com/bluenviron/gortsplib/v3/pkg/conn"
	"github.com/bluenviron/gortsplib/v3/pkg/formats"
	"github.com/bluenviron/gortsplib/v3/pkg/headers"
	"github.com/bluenviron/gortsplib/v3/pkg/media"
	"github.com/bluenviron/gortsplib/v3/pkg/sdp"
)

func invalidURLAnnounceReq(t *testing.T, control string) base.Request {
	return base.Request{
		Method: base.Announce,
		URL:    mustParseURL("rtsp://localhost:8554/teststream"),
		Header: base.Header{
			"CSeq":         base.HeaderValue{"1"},
			"Content-Type": base.HeaderValue{"application/sdp"},
		},
		Body: func() []byte {
			medi := testH264Media
			medi.Control = control

			sout := &sdp.SessionDescription{
				SessionName: psdp.SessionName("Stream"),
				Origin: psdp.Origin{
					Username:       "-",
					NetworkType:    "IN",
					AddressType:    "IP4",
					UnicastAddress: "127.0.0.1",
				},
				TimeDescriptions: []psdp.TimeDescription{
					{Timing: psdp.Timing{0, 0}}, //nolint:govet
				},
				MediaDescriptions: []*psdp.MediaDescription{medi.Marshal()},
			}

			byts, _ := sout.Marshal()
			return byts
		}(),
	}
}

func TestServerRecordErrorAnnounce(t *testing.T) {
	for _, ca := range []struct {
		name string
		req  base.Request
		err  string
	}{
		{
			"missing content-type",
			base.Request{
				Method: base.Announce,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq": base.HeaderValue{"1"},
				},
			},
			"Content-Type header is missing",
		},
		{
			"invalid content-type",
			base.Request{
				Method: base.Announce,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":         base.HeaderValue{"1"},
					"Content-Type": base.HeaderValue{"aa"},
				},
			},
			"unsupported Content-Type header '[aa]'",
		},
		{
			"invalid medias",
			base.Request{
				Method: base.Announce,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":         base.HeaderValue{"1"},
					"Content-Type": base.HeaderValue{"application/sdp"},
				},
				Body: []byte{0x01, 0x02, 0x03, 0x04},
			},
			"invalid SDP: invalid line: (\x01\x02\x03\x04)",
		},
		{
			"invalid URL 1",
			invalidURLAnnounceReq(t, "rtsp://  aaaaa"),
			"unable to generate media URL",
		},
		{
			"invalid URL 3",
			invalidURLAnnounceReq(t, "rtsp://host/otherpath"),
			"invalid media path: must begin with '/teststream', but is '/otherpath'",
		},
	} {
		t.Run(ca.name, func(t *testing.T) {
			nconnClosed := make(chan struct{})

			s := &Server{
				Handler: &testServerHandler{
					onConnClose: func(ctx *ServerHandlerOnConnCloseCtx) {
						require.EqualError(t, ctx.Error, ca.err)
						close(nconnClosed)
					},
					onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
				},
				RTSPAddress: "localhost:8554",
			}

			err := s.Start()
			require.NoError(t, err)
			defer s.Close()

			nconn, err := net.Dial("tcp", "localhost:8554")
			require.NoError(t, err)
			defer nconn.Close()
			conn := conn.NewConn(nconn)

			_, err = writeReqReadRes(conn, ca.req)
			require.NoError(t, err)

			<-nconnClosed
		})
	}
}

func TestServerRecordPath(t *testing.T) {
	for _, ca := range []struct {
		name        string
		control     string
		announceURL string
		setupURL    string
		path        string
		query       string
	}{
		{
			"normal",
			"bbb=ccc",
			"rtsp://localhost:8554/teststream",
			"rtsp://localhost:8554/teststream/bbb=ccc",
			"/teststream",
			"",
		},
		{
			"subpath",
			"ddd=eee",
			"rtsp://localhost:8554/test/stream",
			"rtsp://localhost:8554/test/stream/ddd=eee",
			"/test/stream",
			"",
		},
		{
			"subpath and query",
			"fff=ggg",
			"rtsp://localhost:8554/test/stream?testing=0",
			"rtsp://localhost:8554/test/stream?testing=0/fff=ggg",
			"/test/stream",
			"testing=0",
		},
		{
			"no path",
			"streamid=1",
			"rtsp://localhost:8554",
			"rtsp://localhost:8554/streamid=1",
			"",
			"",
		},
		{
			"single slash",
			"streamid=1",
			"rtsp://localhost:8554/",
			"rtsp://localhost:8554//streamid=1",
			"/",
			"",
		},
	} {
		t.Run(ca.name, func(t *testing.T) {
			s := &Server{
				Handler: &testServerHandler{
					onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
						// make sure that media URLs are not overridden by NewServerStream()
						stream := NewServerStream(ctx.Medias)
						defer stream.Close()

						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
					onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
						require.Equal(t, ca.path, ctx.Path)
						require.Equal(t, ca.query, ctx.Query)

						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil, nil
					},
					onRecord: func(ctx *ServerHandlerOnRecordCtx) (*base.Response, error) {
						require.Equal(t, ca.path, ctx.Path)
						require.Equal(t, ca.query, ctx.Query)

						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
				},
				RTSPAddress: "localhost:8554",
			}

			err := s.Start()
			require.NoError(t, err)
			defer s.Close()

			nconn, err := net.Dial("tcp", "localhost:8554")
			require.NoError(t, err)
			defer nconn.Close()
			conn := conn.NewConn(nconn)

			media := testH264Media
			media.Control = ca.control

			sout := &sdp.SessionDescription{
				SessionName: psdp.SessionName("Stream"),
				Origin: psdp.Origin{
					Username:       "-",
					NetworkType:    "IN",
					AddressType:    "IP4",
					UnicastAddress: "127.0.0.1",
				},
				TimeDescriptions: []psdp.TimeDescription{
					{Timing: psdp.Timing{0, 0}}, //nolint:govet
				},
				MediaDescriptions: []*psdp.MediaDescription{media.Marshal()},
			}

			byts, _ := sout.Marshal()

			res, err := writeReqReadRes(conn, base.Request{
				Method: base.Announce,
				URL:    mustParseURL(ca.announceURL),
				Header: base.Header{
					"CSeq":         base.HeaderValue{"1"},
					"Content-Type": base.HeaderValue{"application/sdp"},
				},
				Body: byts,
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			th := &headers.Transport{
				Protocol: headers.TransportProtocolTCP,
				Delivery: func() *headers.TransportDelivery {
					v := headers.TransportDeliveryUnicast
					return &v
				}(),
				Mode: func() *headers.TransportMode {
					v := headers.TransportModeRecord
					return &v
				}(),
				InterleavedIDs: &[2]int{0, 1},
			}

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Setup,
				URL:    mustParseURL(ca.setupURL),
				Header: base.Header{
					"CSeq":      base.HeaderValue{"2"},
					"Transport": th.Marshal(),
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			var sx headers.Session
			err = sx.Unmarshal(res.Header["Session"])
			require.NoError(t, err)

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Record,
				URL:    mustParseURL(ca.announceURL),
				Header: base.Header{
					"CSeq":    base.HeaderValue{"3"},
					"Session": base.HeaderValue{sx.Session},
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)
		})
	}
}

func TestServerRecordErrorSetupMediaTwice(t *testing.T) {
	serverErr := make(chan error)

	s := &Server{
		Handler: &testServerHandler{
			onConnClose: func(ctx *ServerHandlerOnConnCloseCtx) {
				serverErr <- ctx.Error
			},
			onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
			onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil, nil
			},
		},
		RTSPAddress: "localhost:8554",
	}

	err := s.Start()
	require.NoError(t, err)
	defer s.Close()

	nconn, err := net.Dial("tcp", "localhost:8554")
	require.NoError(t, err)
	defer nconn.Close()
	conn := conn.NewConn(nconn)

	medias := media.Medias{testH264Media}
	medias.SetControls()

	res, err := writeReqReadRes(conn, base.Request{
		Method: base.Announce,
		URL:    mustParseURL("rtsp://localhost:8554/teststream"),
		Header: base.Header{
			"CSeq":         base.HeaderValue{"1"},
			"Content-Type": base.HeaderValue{"application/sdp"},
		},
		Body: mustMarshalMedias(medias),
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	res, err = writeReqReadRes(conn, base.Request{
		Method: base.Setup,
		URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[0].Control),
		Header: base.Header{
			"CSeq": base.HeaderValue{"2"},
			"Transport": headers.Transport{
				Protocol: headers.TransportProtocolTCP,
				Delivery: func() *headers.TransportDelivery {
					v := headers.TransportDeliveryUnicast
					return &v
				}(),
				Mode: func() *headers.TransportMode {
					v := headers.TransportModeRecord
					return &v
				}(),
				InterleavedIDs: &[2]int{0, 1},
			}.Marshal(),
		},
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	var sx headers.Session
	err = sx.Unmarshal(res.Header["Session"])
	require.NoError(t, err)

	res, err = writeReqReadRes(conn, base.Request{
		Method: base.Setup,
		URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[0].Control),
		Header: base.Header{
			"CSeq": base.HeaderValue{"3"},
			"Transport": headers.Transport{
				Protocol: headers.TransportProtocolTCP,
				Delivery: func() *headers.TransportDelivery {
					v := headers.TransportDeliveryUnicast
					return &v
				}(),
				Mode: func() *headers.TransportMode {
					v := headers.TransportModeRecord
					return &v
				}(),
				InterleavedIDs: &[2]int{2, 3},
			}.Marshal(),
			"Session": base.HeaderValue{sx.Session},
		},
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusBadRequest, res.StatusCode)

	err = <-serverErr
	require.EqualError(t, err, "media has already been setup")
}

func TestServerRecordErrorRecordPartialMedias(t *testing.T) {
	serverErr := make(chan error)

	s := &Server{
		Handler: &testServerHandler{
			onConnClose: func(ctx *ServerHandlerOnConnCloseCtx) {
				serverErr <- ctx.Error
			},
			onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
			onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil, nil
			},
			onRecord: func(ctx *ServerHandlerOnRecordCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
		},
		RTSPAddress: "localhost:8554",
	}

	err := s.Start()
	require.NoError(t, err)
	defer s.Close()

	nconn, err := net.Dial("tcp", "localhost:8554")
	require.NoError(t, err)
	defer nconn.Close()
	conn := conn.NewConn(nconn)

	forma := &formats.Generic{
		PayloadTyp: 96,
		RTPMap:     "private/90000",
	}
	err = forma.Init()
	require.NoError(t, err)

	medias := media.Medias{
		&media.Media{
			Type:    "application",
			Formats: []formats.Format{forma},
		},
		&media.Media{
			Type:    "application",
			Formats: []formats.Format{forma},
		},
	}
	medias.SetControls()

	res, err := writeReqReadRes(conn, base.Request{
		Method: base.Announce,
		URL:    mustParseURL("rtsp://localhost:8554/teststream"),
		Header: base.Header{
			"CSeq":         base.HeaderValue{"1"},
			"Content-Type": base.HeaderValue{"application/sdp"},
		},
		Body: mustMarshalMedias(medias),
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	th := &headers.Transport{
		Protocol: headers.TransportProtocolTCP,
		Delivery: func() *headers.TransportDelivery {
			v := headers.TransportDeliveryUnicast
			return &v
		}(),
		Mode: func() *headers.TransportMode {
			v := headers.TransportModeRecord
			return &v
		}(),
		InterleavedIDs: &[2]int{0, 1},
	}

	res, err = writeReqReadRes(conn, base.Request{
		Method: base.Setup,
		URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[0].Control),
		Header: base.Header{
			"CSeq":      base.HeaderValue{"2"},
			"Transport": th.Marshal(),
		},
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	var sx headers.Session
	err = sx.Unmarshal(res.Header["Session"])
	require.NoError(t, err)

	res, err = writeReqReadRes(conn, base.Request{
		Method: base.Record,
		URL:    mustParseURL("rtsp://localhost:8554/teststream"),
		Header: base.Header{
			"CSeq":    base.HeaderValue{"3"},
			"Session": base.HeaderValue{sx.Session},
		},
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusBadRequest, res.StatusCode)

	err = <-serverErr
	require.EqualError(t, err, "not all announced medias have been setup")
}

func TestServerRecord(t *testing.T) {
	for _, transport := range []string{
		"udp",
		"tcp",
		"tls",
	} {
		t.Run(transport, func(t *testing.T) {
			nconnOpened := make(chan struct{})
			nconnClosed := make(chan struct{})
			sessionOpened := make(chan struct{})
			sessionClosed := make(chan struct{})

			s := &Server{
				Handler: &testServerHandler{
					onConnOpen: func(ctx *ServerHandlerOnConnOpenCtx) {
						close(nconnOpened)
					},
					onConnClose: func(ctx *ServerHandlerOnConnCloseCtx) {
						close(nconnClosed)
					},
					onSessionOpen: func(ctx *ServerHandlerOnSessionOpenCtx) {
						close(sessionOpened)
					},
					onSessionClose: func(ctx *ServerHandlerOnSessionCloseCtx) {
						close(sessionClosed)
					},
					onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
					onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil, nil
					},
					onRecord: func(ctx *ServerHandlerOnRecordCtx) (*base.Response, error) {
						// send RTCP packets directly to the session.
						// these are sent after the response, only if onRecord returns StatusOK.
						ctx.Session.WritePacketRTCP(ctx.Session.AnnouncedMedias()[0], &testRTCPPacket)
						ctx.Session.WritePacketRTCP(ctx.Session.AnnouncedMedias()[1], &testRTCPPacket)

						for i := 0; i < 2; i++ {
							ctx.Session.OnPacketRTP(
								ctx.Session.AnnouncedMedias()[i],
								ctx.Session.AnnouncedMedias()[i].Formats[0],
								func(pkt *rtp.Packet) {
									require.Equal(t, &testRTPPacket, pkt)
								})

							ci := i
							ctx.Session.OnPacketRTCP(
								ctx.Session.AnnouncedMedias()[i],
								func(pkt rtcp.Packet) {
									require.Equal(t, &testRTCPPacket, pkt)
									ctx.Session.WritePacketRTCP(ctx.Session.AnnouncedMedias()[ci], &testRTCPPacket)
								})
						}

						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
				},
				RTSPAddress: "localhost:8554",
			}

			switch transport {
			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()
			require.NoError(t, err)
			defer s.Close()

			nconn, err := net.Dial("tcp", "localhost:8554")
			require.NoError(t, err)
			defer nconn.Close()

			nconn = func() net.Conn {
				if transport == "tls" {
					return tls.Client(nconn, &tls.Config{InsecureSkipVerify: true})
				}
				return nconn
			}()
			conn := conn.NewConn(nconn)

			<-nconnOpened

			medias := media.Medias{
				&media.Media{
					Type: media.TypeVideo,
					Formats: []formats.Format{&formats.H264{
						PayloadTyp:        96,
						SPS:               []byte{0x01, 0x02, 0x03, 0x04},
						PPS:               []byte{0x01, 0x02, 0x03, 0x04},
						PacketizationMode: 1,
					}},
				},
				&media.Media{
					Type: media.TypeVideo,
					Formats: []formats.Format{&formats.H264{
						PayloadTyp:        96,
						SPS:               []byte{0x01, 0x02, 0x03, 0x04},
						PPS:               []byte{0x01, 0x02, 0x03, 0x04},
						PacketizationMode: 1,
					}},
				},
			}
			medias.SetControls()

			res, err := writeReqReadRes(conn, base.Request{
				Method: base.Announce,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":         base.HeaderValue{"1"},
					"Content-Type": base.HeaderValue{"application/sdp"},
				},
				Body: mustMarshalMedias(medias),
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			<-sessionOpened

			var l1s [2]net.PacketConn
			var l2s [2]net.PacketConn
			var sx headers.Session
			var serverPorts [2]*[2]int

			for i := 0; i < 2; i++ {
				inTH := &headers.Transport{
					Delivery: func() *headers.TransportDelivery {
						v := headers.TransportDeliveryUnicast
						return &v
					}(),
					Mode: func() *headers.TransportMode {
						v := headers.TransportModeRecord
						return &v
					}(),
				}

				if transport == "udp" {
					inTH.Protocol = headers.TransportProtocolUDP
					inTH.ClientPorts = &[2]int{35466 + i*2, 35467 + i*2}

					l1s[i], err = net.ListenPacket("udp", "localhost:"+strconv.FormatInt(int64(inTH.ClientPorts[0]), 10))
					require.NoError(t, err)
					defer l1s[i].Close()

					l2s[i], err = net.ListenPacket("udp", "localhost:"+strconv.FormatInt(int64(inTH.ClientPorts[1]), 10))
					require.NoError(t, err)
					defer l2s[i].Close()
				} else {
					inTH.Protocol = headers.TransportProtocolTCP
					inTH.InterleavedIDs = &[2]int{2 + i*2, 3 + i*2}
				}

				res, err = writeReqReadRes(conn, base.Request{
					Method: base.Setup,
					URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[i].Control),
					Header: base.Header{
						"CSeq":      base.HeaderValue{"2"},
						"Transport": inTH.Marshal(),
					},
				})
				require.NoError(t, err)
				require.Equal(t, base.StatusOK, res.StatusCode)

				err = sx.Unmarshal(res.Header["Session"])
				require.NoError(t, err)

				var th headers.Transport
				err = th.Unmarshal(res.Header["Transport"])
				require.NoError(t, err)

				if transport == "udp" {
					serverPorts[i] = th.ServerPorts
				}
			}

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Record,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":    base.HeaderValue{"3"},
					"Session": base.HeaderValue{sx.Session},
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			for i := 0; i < 2; i++ {
				// server -> client (direct)
				if transport == "udp" {
					buf := make([]byte, 2048)
					n, _, err := l2s[i].ReadFrom(buf)
					require.NoError(t, err)
					require.Equal(t, testRTCPPacketMarshaled, buf[:n])
				} else {
					f, err := conn.ReadInterleavedFrame()
					require.NoError(t, err)
					require.Equal(t, 3+i*2, f.Channel)
					require.Equal(t, testRTCPPacketMarshaled, f.Payload)
				}

				// skip firewall opening
				if transport == "udp" {
					buf := make([]byte, 2048)
					_, _, err := l2s[i].ReadFrom(buf)
					require.NoError(t, err)
				}

				// client -> server
				if transport == "udp" {
					l1s[i].WriteTo(testRTPPacketMarshaled, &net.UDPAddr{
						IP:   net.ParseIP("127.0.0.1"),
						Port: serverPorts[i][0],
					})

					l2s[i].WriteTo(testRTCPPacketMarshaled, &net.UDPAddr{
						IP:   net.ParseIP("127.0.0.1"),
						Port: serverPorts[i][1],
					})
				} else {
					err := conn.WriteInterleavedFrame(&base.InterleavedFrame{
						Channel: 2 + i*2,
						Payload: testRTPPacketMarshaled,
					}, make([]byte, 1024))
					require.NoError(t, err)

					err = conn.WriteInterleavedFrame(&base.InterleavedFrame{
						Channel: 3 + i*2,
						Payload: testRTCPPacketMarshaled,
					}, make([]byte, 1024))
					require.NoError(t, err)
				}
			}

			for i := 0; i < 2; i++ {
				// server -> client (RTCP)
				if transport == "udp" {
					buf := make([]byte, 2048)
					n, _, err := l2s[i].ReadFrom(buf)
					require.NoError(t, err)
					require.Equal(t, testRTCPPacketMarshaled, buf[:n])
				} else {
					f, err := conn.ReadInterleavedFrame()
					require.NoError(t, err)
					require.Equal(t, 3+i*2, f.Channel)
					require.Equal(t, testRTCPPacketMarshaled, f.Payload)
				}
			}

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Teardown,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":    base.HeaderValue{"3"},
					"Session": base.HeaderValue{sx.Session},
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			<-sessionClosed

			nconn.Close()
			<-nconnClosed
		})
	}
}

func TestServerRecordErrorInvalidProtocol(t *testing.T) {
	errorRecv := make(chan struct{})

	s := &Server{
		Handler: &testServerHandler{
			onConnClose: func(ctx *ServerHandlerOnConnCloseCtx) {
				require.EqualError(t, ctx.Error, "received unexpected interleaved frame")
				close(errorRecv)
			},
			onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
			onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil, nil
			},
			onRecord: func(ctx *ServerHandlerOnRecordCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
		},
		UDPRTPAddress:  "127.0.0.1:8000",
		UDPRTCPAddress: "127.0.0.1:8001",
		RTSPAddress:    "localhost:8554",
	}

	err := s.Start()
	require.NoError(t, err)
	defer s.Close()

	nconn, err := net.Dial("tcp", "localhost:8554")
	require.NoError(t, err)
	defer nconn.Close()
	conn := conn.NewConn(nconn)

	medias := media.Medias{testH264Media}
	medias.SetControls()

	res, err := writeReqReadRes(conn, base.Request{
		Method: base.Announce,
		URL:    mustParseURL("rtsp://localhost:8554/teststream"),
		Header: base.Header{
			"CSeq":         base.HeaderValue{"1"},
			"Content-Type": base.HeaderValue{"application/sdp"},
		},
		Body: mustMarshalMedias(medias),
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	inTH := &headers.Transport{
		Delivery: func() *headers.TransportDelivery {
			v := headers.TransportDeliveryUnicast
			return &v
		}(),
		Mode: func() *headers.TransportMode {
			v := headers.TransportModeRecord
			return &v
		}(),
		Protocol:    headers.TransportProtocolUDP,
		ClientPorts: &[2]int{35466, 35467},
	}

	res, err = writeReqReadRes(conn, base.Request{
		Method: base.Setup,
		URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[0].Control),
		Header: base.Header{
			"CSeq":      base.HeaderValue{"2"},
			"Transport": inTH.Marshal(),
		},
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	var sx headers.Session
	err = sx.Unmarshal(res.Header["Session"])
	require.NoError(t, err)

	var th headers.Transport
	err = th.Unmarshal(res.Header["Transport"])
	require.NoError(t, err)

	res, err = writeReqReadRes(conn, base.Request{
		Method: base.Record,
		URL:    mustParseURL("rtsp://localhost:8554/teststream"),
		Header: base.Header{
			"CSeq":    base.HeaderValue{"3"},
			"Session": base.HeaderValue{sx.Session},
		},
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	err = conn.WriteInterleavedFrame(&base.InterleavedFrame{
		Channel: 0,
		Payload: []byte{0x01, 0x02, 0x03, 0x04},
	}, make([]byte, 1024))
	require.NoError(t, err)

	<-errorRecv
}

func TestServerRecordRTCPReport(t *testing.T) {
	s := &Server{
		Handler: &testServerHandler{
			onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
			onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil, nil
			},
			onRecord: func(ctx *ServerHandlerOnRecordCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
		},
		udpReceiverReportPeriod: 1 * time.Second,
		UDPRTPAddress:           "127.0.0.1:8000",
		UDPRTCPAddress:          "127.0.0.1:8001",
		RTSPAddress:             "localhost:8554",
	}

	err := s.Start()
	require.NoError(t, err)
	defer s.Close()

	nconn, err := net.Dial("tcp", "localhost:8554")
	require.NoError(t, err)
	defer nconn.Close()
	conn := conn.NewConn(nconn)

	medias := media.Medias{testH264Media}
	medias.SetControls()

	res, err := writeReqReadRes(conn, base.Request{
		Method: base.Announce,
		URL:    mustParseURL("rtsp://localhost:8554/teststream"),
		Header: base.Header{
			"CSeq":         base.HeaderValue{"1"},
			"Content-Type": base.HeaderValue{"application/sdp"},
		},
		Body: mustMarshalMedias(medias),
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	l1, err := net.ListenPacket("udp", "localhost:34556")
	require.NoError(t, err)
	defer l1.Close()

	l2, err := net.ListenPacket("udp", "localhost:34557")
	require.NoError(t, err)
	defer l2.Close()

	res, err = writeReqReadRes(conn, base.Request{
		Method: base.Setup,
		URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[0].Control),
		Header: base.Header{
			"CSeq": base.HeaderValue{"2"},
			"Transport": headers.Transport{
				Delivery: func() *headers.TransportDelivery {
					v := headers.TransportDeliveryUnicast
					return &v
				}(),
				Mode: func() *headers.TransportMode {
					v := headers.TransportModeRecord
					return &v
				}(),
				Protocol:    headers.TransportProtocolUDP,
				ClientPorts: &[2]int{34556, 34557},
			}.Marshal(),
		},
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	var sx headers.Session
	err = sx.Unmarshal(res.Header["Session"])
	require.NoError(t, err)

	var th headers.Transport
	err = th.Unmarshal(res.Header["Transport"])
	require.NoError(t, err)

	res, err = writeReqReadRes(conn, base.Request{
		Method: base.Record,
		URL:    mustParseURL("rtsp://localhost:8554/teststream"),
		Header: base.Header{
			"CSeq":    base.HeaderValue{"3"},
			"Session": base.HeaderValue{sx.Session},
		},
	})
	require.NoError(t, err)
	require.Equal(t, base.StatusOK, res.StatusCode)

	byts, _ := (&rtp.Packet{
		Header: rtp.Header{
			Version:        2,
			Marker:         true,
			PayloadType:    96,
			SequenceNumber: 534,
			Timestamp:      54352,
			SSRC:           753621,
		},
		Payload: []byte{0x01, 0x02, 0x03, 0x04},
	}).Marshal()
	_, err = l1.WriteTo(byts, &net.UDPAddr{
		IP:   net.ParseIP("127.0.0.1"),
		Port: th.ServerPorts[0],
	})
	require.NoError(t, err)

	// wait for the packet's SSRC to be saved
	time.Sleep(500 * time.Millisecond)

	byts, _ = (&rtcp.SenderReport{
		SSRC:        753621,
		NTPTime:     0xcbddcc34999997ff,
		RTPTime:     54352,
		PacketCount: 1,
		OctetCount:  4,
	}).Marshal()
	_, err = l2.WriteTo(byts, &net.UDPAddr{
		IP:   net.ParseIP("127.0.0.1"),
		Port: th.ServerPorts[1],
	})
	require.NoError(t, err)

	// skip firewall opening
	buf := make([]byte, 2048)
	_, _, err = l2.ReadFrom(buf)
	require.NoError(t, err)

	buf = make([]byte, 2048)
	n, _, err := l2.ReadFrom(buf)
	require.NoError(t, err)
	pkts, err := rtcp.Unmarshal(buf[:n])
	require.NoError(t, err)
	rr, ok := pkts[0].(*rtcp.ReceiverReport)
	require.True(t, ok)
	require.Equal(t, &rtcp.ReceiverReport{
		SSRC: rr.SSRC,
		Reports: []rtcp.ReceptionReport{
			{
				SSRC:               rr.Reports[0].SSRC,
				LastSequenceNumber: 534,
				LastSenderReport:   rr.Reports[0].LastSenderReport,
				Delay:              rr.Reports[0].Delay,
			},
		},
		ProfileExtensions: []uint8{},
	}, rr)
}

func TestServerRecordTimeout(t *testing.T) {
	for _, transport := range []string{
		"udp",
		"tcp",
	} {
		t.Run(transport, func(t *testing.T) {
			nconnClosed := make(chan struct{})
			sessionClosed := make(chan struct{})

			s := &Server{
				Handler: &testServerHandler{
					onConnClose: func(ctx *ServerHandlerOnConnCloseCtx) {
						close(nconnClosed)
					},
					onSessionClose: func(ctx *ServerHandlerOnSessionCloseCtx) {
						close(sessionClosed)
					},
					onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
					onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil, nil
					},
					onRecord: func(ctx *ServerHandlerOnRecordCtx) (*base.Response, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
				},
				ReadTimeout:       1 * time.Second,
				RTSPAddress:       "localhost:8554",
				checkStreamPeriod: 500 * time.Millisecond,
			}

			if transport == "udp" {
				s.UDPRTPAddress = "127.0.0.1:8000"
				s.UDPRTCPAddress = "127.0.0.1:8001"
			}

			err := s.Start()
			require.NoError(t, err)
			defer s.Close()

			nconn, err := net.Dial("tcp", "localhost:8554")
			require.NoError(t, err)
			defer nconn.Close()
			conn := conn.NewConn(nconn)

			medias := media.Medias{testH264Media}
			medias.SetControls()

			res, err := writeReqReadRes(conn, base.Request{
				Method: base.Announce,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":         base.HeaderValue{"1"},
					"Content-Type": base.HeaderValue{"application/sdp"},
				},
				Body: mustMarshalMedias(medias),
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			inTH := &headers.Transport{
				Delivery: func() *headers.TransportDelivery {
					v := headers.TransportDeliveryUnicast
					return &v
				}(),
				Mode: func() *headers.TransportMode {
					v := headers.TransportModeRecord
					return &v
				}(),
			}

			if transport == "udp" {
				inTH.Protocol = headers.TransportProtocolUDP
				inTH.ClientPorts = &[2]int{35466, 35467}
			} else {
				inTH.Protocol = headers.TransportProtocolTCP
				inTH.InterleavedIDs = &[2]int{0, 1}
			}

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Setup,
				URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[0].Control),
				Header: base.Header{
					"CSeq":      base.HeaderValue{"2"},
					"Transport": inTH.Marshal(),
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			var sx headers.Session
			err = sx.Unmarshal(res.Header["Session"])
			require.NoError(t, err)

			var th headers.Transport
			err = th.Unmarshal(res.Header["Transport"])
			require.NoError(t, err)

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Record,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":    base.HeaderValue{"3"},
					"Session": base.HeaderValue{sx.Session},
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			<-sessionClosed

			if transport == "tcp" {
				<-nconnClosed
			}
		})
	}
}

func TestServerRecordWithoutTeardown(t *testing.T) {
	for _, transport := range []string{
		"udp",
		"tcp",
	} {
		t.Run(transport, func(t *testing.T) {
			nconnClosed := make(chan struct{})
			sessionClosed := make(chan struct{})

			s := &Server{
				Handler: &testServerHandler{
					onConnClose: func(ctx *ServerHandlerOnConnCloseCtx) {
						close(nconnClosed)
					},
					onSessionClose: func(ctx *ServerHandlerOnSessionCloseCtx) {
						close(sessionClosed)
					},
					onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
					onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil, nil
					},
					onRecord: func(ctx *ServerHandlerOnRecordCtx) (*base.Response, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
				},
				ReadTimeout: 1 * time.Second,
				RTSPAddress: "localhost:8554",
			}

			if transport == "udp" {
				s.UDPRTPAddress = "127.0.0.1:8000"
				s.UDPRTCPAddress = "127.0.0.1:8001"
			}

			err := s.Start()
			require.NoError(t, err)
			defer s.Close()

			nconn, err := net.Dial("tcp", "localhost:8554")
			require.NoError(t, err)
			conn := conn.NewConn(nconn)

			medias := media.Medias{testH264Media}
			medias.SetControls()

			res, err := writeReqReadRes(conn, base.Request{
				Method: base.Announce,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":         base.HeaderValue{"1"},
					"Content-Type": base.HeaderValue{"application/sdp"},
				},
				Body: mustMarshalMedias(medias),
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			inTH := &headers.Transport{
				Delivery: func() *headers.TransportDelivery {
					v := headers.TransportDeliveryUnicast
					return &v
				}(),
				Mode: func() *headers.TransportMode {
					v := headers.TransportModeRecord
					return &v
				}(),
			}

			if transport == "udp" {
				inTH.Protocol = headers.TransportProtocolUDP
				inTH.ClientPorts = &[2]int{35466, 35467}
			} else {
				inTH.Protocol = headers.TransportProtocolTCP
				inTH.InterleavedIDs = &[2]int{0, 1}
			}

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Setup,
				URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[0].Control),
				Header: base.Header{
					"CSeq":      base.HeaderValue{"2"},
					"Transport": inTH.Marshal(),
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			var sx headers.Session
			err = sx.Unmarshal(res.Header["Session"])
			require.NoError(t, err)

			var th headers.Transport
			err = th.Unmarshal(res.Header["Transport"])
			require.NoError(t, err)

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Record,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":    base.HeaderValue{"3"},
					"Session": base.HeaderValue{sx.Session},
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			nconn.Close()

			<-sessionClosed
			<-nconnClosed
		})
	}
}

func TestServerRecordUDPChangeConn(t *testing.T) {
	s := &Server{
		Handler: &testServerHandler{
			onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
			onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil, nil
			},
			onRecord: func(ctx *ServerHandlerOnRecordCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
			onGetParameter: func(ctx *ServerHandlerOnGetParameterCtx) (*base.Response, error) {
				return &base.Response{
					StatusCode: base.StatusOK,
				}, nil
			},
		},
		UDPRTPAddress:  "127.0.0.1:8000",
		UDPRTCPAddress: "127.0.0.1:8001",
		RTSPAddress:    "localhost:8554",
	}

	err := s.Start()
	require.NoError(t, err)
	defer s.Close()

	sxID := ""

	func() {
		nconn, err := net.Dial("tcp", "localhost:8554")
		require.NoError(t, err)
		defer nconn.Close()
		conn := conn.NewConn(nconn)

		medias := media.Medias{testH264Media}
		medias.SetControls()

		res, err := writeReqReadRes(conn, base.Request{
			Method: base.Announce,
			URL:    mustParseURL("rtsp://localhost:8554/teststream"),
			Header: base.Header{
				"CSeq":         base.HeaderValue{"1"},
				"Content-Type": base.HeaderValue{"application/sdp"},
			},
			Body: mustMarshalMedias(medias),
		})
		require.NoError(t, err)
		require.Equal(t, base.StatusOK, res.StatusCode)

		inTH := &headers.Transport{
			Delivery: func() *headers.TransportDelivery {
				v := headers.TransportDeliveryUnicast
				return &v
			}(),
			Mode: func() *headers.TransportMode {
				v := headers.TransportModeRecord
				return &v
			}(),
			Protocol:    headers.TransportProtocolUDP,
			ClientPorts: &[2]int{35466, 35467},
		}

		res, err = writeReqReadRes(conn, base.Request{
			Method: base.Setup,
			URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[0].Control),
			Header: base.Header{
				"CSeq":      base.HeaderValue{"2"},
				"Transport": inTH.Marshal(),
			},
		})
		require.NoError(t, err)
		require.Equal(t, base.StatusOK, res.StatusCode)

		var sx headers.Session
		err = sx.Unmarshal(res.Header["Session"])
		require.NoError(t, err)

		res, err = writeReqReadRes(conn, base.Request{
			Method: base.Record,
			URL:    mustParseURL("rtsp://localhost:8554/teststream"),
			Header: base.Header{
				"CSeq":    base.HeaderValue{"3"},
				"Session": base.HeaderValue{sx.Session},
			},
		})
		require.NoError(t, err)
		require.Equal(t, base.StatusOK, res.StatusCode)

		sxID = sx.Session
	}()

	func() {
		nconn, err := net.Dial("tcp", "localhost:8554")
		require.NoError(t, err)
		defer nconn.Close()
		conn := conn.NewConn(nconn)

		res, err := writeReqReadRes(conn, base.Request{
			Method: base.GetParameter,
			URL:    mustParseURL("rtsp://localhost:8554/teststream/"),
			Header: base.Header{
				"CSeq":    base.HeaderValue{"1"},
				"Session": base.HeaderValue{sxID},
			},
		})
		require.NoError(t, err)
		require.Equal(t, base.StatusOK, res.StatusCode)
	}()
}

func TestServerRecordDecodeErrors(t *testing.T) {
	for _, ca := range []struct {
		proto string
		name  string
	}{
		{"udp", "rtp invalid"},
		{"udp", "rtcp invalid"},
		{"udp", "rtp packets lost"},
		{"udp", "rtp too big"},
		{"udp", "rtcp too big"},
		{"tcp", "rtcp invalid"},
		{"tcp", "rtcp too big"},
	} {
		t.Run(ca.proto+" "+ca.name, func(t *testing.T) {
			errorRecv := make(chan struct{})

			s := &Server{
				Handler: &testServerHandler{
					onAnnounce: func(ctx *ServerHandlerOnAnnounceCtx) (*base.Response, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
					onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil, nil
					},
					onRecord: func(ctx *ServerHandlerOnRecordCtx) (*base.Response, error) {
						return &base.Response{
							StatusCode: base.StatusOK,
						}, nil
					},
					onPacketLost: func(ctx *ServerHandlerOnPacketLostCtx) {
						if ca.proto == "udp" && ca.name == "rtp packets lost" {
							require.EqualError(t, ctx.Error, "69 RTP packet(s) lost")
						}
						close(errorRecv)
					},
					onDecodeError: func(ctx *ServerHandlerOnDecodeErrorCtx) {
						switch {
						case ca.proto == "udp" && ca.name == "rtp invalid":
							require.EqualError(t, ctx.Error, "RTP header size insufficient: 2 < 4")

						case ca.proto == "udp" && ca.name == "rtcp invalid":
							require.EqualError(t, ctx.Error, "rtcp: packet too short")

						case ca.proto == "udp" && ca.name == "rtp too big":
							require.EqualError(t, ctx.Error, "RTP packet is too big to be read with UDP")

						case ca.proto == "udp" && ca.name == "rtcp too big":
							require.EqualError(t, ctx.Error, "RTCP packet is too big to be read with UDP")

						case ca.proto == "tcp" && ca.name == "rtcp invalid":
							require.EqualError(t, ctx.Error, "rtcp: packet too short")

						case ca.proto == "tcp" && ca.name == "rtcp too big":
							require.EqualError(t, ctx.Error, "RTCP packet size (2000) is greater than maximum allowed (1472)")
						}
						close(errorRecv)
					},
				},
				UDPRTPAddress:  "127.0.0.1:8000",
				UDPRTCPAddress: "127.0.0.1:8001",
				RTSPAddress:    "localhost:8554",
			}

			err := s.Start()
			require.NoError(t, err)
			defer s.Close()

			nconn, err := net.Dial("tcp", "localhost:8554")
			require.NoError(t, err)
			defer nconn.Close()
			conn := conn.NewConn(nconn)

			medias := media.Medias{&media.Media{
				Type: media.TypeApplication,
				Formats: []formats.Format{&formats.Generic{
					PayloadTyp: 97,
					RTPMap:     "private/90000",
				}},
			}}
			medias.SetControls()

			res, err := writeReqReadRes(conn, base.Request{
				Method: base.Announce,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":         base.HeaderValue{"1"},
					"Content-Type": base.HeaderValue{"application/sdp"},
				},
				Body: mustMarshalMedias(medias),
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			inTH := &headers.Transport{
				Delivery: func() *headers.TransportDelivery {
					v := headers.TransportDeliveryUnicast
					return &v
				}(),
				Mode: func() *headers.TransportMode {
					v := headers.TransportModeRecord
					return &v
				}(),
			}

			if ca.proto == "udp" {
				inTH.Protocol = headers.TransportProtocolUDP
				inTH.ClientPorts = &[2]int{35466, 35467}
			} else {
				inTH.Protocol = headers.TransportProtocolTCP
				inTH.InterleavedIDs = &[2]int{0, 1}
			}

			var l1 net.PacketConn
			var l2 net.PacketConn

			if ca.proto == "udp" {
				l1, err = net.ListenPacket("udp", "127.0.0.1:35466")
				require.NoError(t, err)
				defer l1.Close()

				l2, err = net.ListenPacket("udp", "127.0.0.1:35467")
				require.NoError(t, err)
				defer l2.Close()
			}

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Setup,
				URL:    mustParseURL("rtsp://localhost:8554/teststream/" + medias[0].Control),
				Header: base.Header{
					"CSeq":      base.HeaderValue{"2"},
					"Transport": inTH.Marshal(),
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			var sx headers.Session
			err = sx.Unmarshal(res.Header["Session"])
			require.NoError(t, err)

			var resTH headers.Transport
			err = resTH.Unmarshal(res.Header["Transport"])
			require.NoError(t, err)

			res, err = writeReqReadRes(conn, base.Request{
				Method: base.Record,
				URL:    mustParseURL("rtsp://localhost:8554/teststream"),
				Header: base.Header{
					"CSeq":    base.HeaderValue{"3"},
					"Session": base.HeaderValue{sx.Session},
				},
			})
			require.NoError(t, err)
			require.Equal(t, base.StatusOK, res.StatusCode)

			switch { //nolint:dupl
			case ca.proto == "udp" && ca.name == "rtp invalid":
				l1.WriteTo([]byte{0x01, 0x02}, &net.UDPAddr{
					IP:   net.ParseIP("127.0.0.1"),
					Port: resTH.ServerPorts[0],
				})

			case ca.proto == "udp" && ca.name == "rtcp invalid":
				l2.WriteTo([]byte{0x01, 0x02}, &net.UDPAddr{
					IP:   net.ParseIP("127.0.0.1"),
					Port: resTH.ServerPorts[1],
				})

			case ca.proto == "udp" && ca.name == "rtp packets lost":
				byts, _ := rtp.Packet{
					Header: rtp.Header{
						PayloadType:    97,
						SequenceNumber: 30,
					},
				}.Marshal()
				l1.WriteTo(byts, &net.UDPAddr{
					IP:   net.ParseIP("127.0.0.1"),
					Port: resTH.ServerPorts[0],
				})

				byts, _ = rtp.Packet{
					Header: rtp.Header{
						PayloadType:    97,
						SequenceNumber: 100,
					},
				}.Marshal()
				l1.WriteTo(byts, &net.UDPAddr{
					IP:   net.ParseIP("127.0.0.1"),
					Port: resTH.ServerPorts[0],
				})

			case ca.proto == "udp" && ca.name == "rtp too big":
				l1.WriteTo(bytes.Repeat([]byte{0x01, 0x02}, 2000/2), &net.UDPAddr{
					IP:   net.ParseIP("127.0.0.1"),
					Port: resTH.ServerPorts[0],
				})

			case ca.proto == "udp" && ca.name == "rtcp too big":
				l2.WriteTo(bytes.Repeat([]byte{0x01, 0x02}, 2000/2), &net.UDPAddr{
					IP:   net.ParseIP("127.0.0.1"),
					Port: resTH.ServerPorts[1],
				})

			case ca.proto == "tcp" && ca.name == "rtcp invalid":
				err = conn.WriteInterleavedFrame(&base.InterleavedFrame{
					Channel: 1,
					Payload: []byte{0x01, 0x02},
				}, make([]byte, 2048))
				require.NoError(t, err)

			case ca.proto == "tcp" && ca.name == "rtcp too big":
				err = conn.WriteInterleavedFrame(&base.InterleavedFrame{
					Channel: 1,
					Payload: bytes.Repeat([]byte{0x01, 0x02}, 2000/2),
				}, make([]byte, 2048))
				require.NoError(t, err)
			}

			<-errorRecv
		})
	}
}