update golangci-lint

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
 
     - uses: golangci/golangci-lint-action@v2
       with:
-        version: v1.38
+        version: v1.40
 
   go-mod-tidy:
     runs-on: ubuntu-20.04

.golangci.yml

@@ -2,6 +2,7 @@
 linters:
   enable:
   - bodyclose
+  - dupl
   - exportloopref
   - gochecknoinits
   - gocritic
@@ -12,6 +13,7 @@ linters:
   - lll
   - prealloc
   - unconvert
+  - whitespace
   disable:
   - errcheck
 

Makefile

@@ -1,6 +1,6 @@
 
 BASE_IMAGE = amd64/golang:1.17-alpine3.13
-LINT_IMAGE = golangci/golangci-lint:v1.38.0
+LINT_IMAGE = golangci/golangci-lint:v1.40
 
 .PHONY: $(shell ls)
 
@@ -36,7 +36,7 @@ export DOCKERFILE_FORMAT
 format:
 	echo "$$DOCKERFILE_FORMAT" | docker build -q . -f - -t temp
 	docker run --rm -it -v $(PWD):/s -w /s temp \
-	sh -c "find . -type f -name '*.go' | xargs gofumpt -l -w"
+	sh -c "gofumpt -l -w ."
 
 define DOCKERFILE_TEST
 FROM $(BASE_IMAGE)

client_publish_test.go

@@ -83,7 +83,6 @@ func TestClientPublishSerial(t *testing.T) {
 					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
-
 				} else {
 					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
@@ -125,7 +124,6 @@ func TestClientPublishSerial(t *testing.T) {
 					n, _, err := l1.ReadFrom(buf)
 					require.NoError(t, err)
 					require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, buf[:n])
-
 				} else {
 					var f base.InterleavedFrame
 					f.Payload = make([]byte, 2048)
@@ -269,7 +267,6 @@ func TestClientPublishParallel(t *testing.T) {
 					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
-
 				} else {
 					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
@@ -409,7 +406,6 @@ func TestClientPublishPauseSerial(t *testing.T) {
 					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
-
 				} else {
 					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
@@ -565,7 +561,6 @@ func TestClientPublishPauseParallel(t *testing.T) {
 					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
-
 				} else {
 					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs

client_read_test.go

@@ -184,7 +184,6 @@ func TestClientRead(t *testing.T) {
 				require.NoError(t, err)
 
 				l = tls.NewListener(l, &tls.Config{Certificates: []tls.Certificate{cert}})
-
 			} else {
 				scheme = "rtsp"
 			}
@@ -1527,7 +1526,6 @@ func TestClientReadPause(t *testing.T) {
 					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
-
 				} else {
 					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs
@@ -1894,7 +1892,6 @@ func TestClientReadErrorTimeout(t *testing.T) {
 					th.Protocol = headers.TransportProtocolUDP
 					th.ServerPorts = &[2]int{34556, 34557}
 					th.ClientPorts = inTH.ClientPorts
-
 				} else {
 					th.Protocol = headers.TransportProtocolTCP
 					th.InterleavedIDs = inTH.InterleavedIDs

clientconn.go

@@ -571,7 +571,6 @@ func (cc *ClientConn) runBackgroundPlayUDP() error {
 				checkStreamInitial = false
 				checkStreamTicker.Stop()
 				checkStreamTicker = time.NewTicker(clientConnCheckStreamPeriod)
-
 			} else {
 				inTimeout := func() bool {
 					now := time.Now()
@@ -1024,7 +1023,6 @@ func (cc *ClientConn) doDescribe(u *base.URL) (Tracks, *base.URL, *base.Response
 			res.StatusCode >= base.StatusMovedPermanently &&
 			res.StatusCode <= base.StatusUseProxy &&
 			len(res.Header["Location"]) == 1 {
-
 			cc.reset(false)
 
 			u, err := base.ParseURL(res.Header["Location"][0])
@@ -1303,7 +1301,6 @@ func (cc *ClientConn) doSetup(
 		if res.StatusCode == base.StatusUnsupportedTransport &&
 			cc.protocol == nil &&
 			cc.c.Transport == nil {
-
 			v := TransportTCP
 			cc.protocol = &v
 

pkg/headers/range.go

@@ -65,7 +65,6 @@ func (t *RangeSMPTETime) read(s string) error {
 				return err
 			}
 			t.Subframe = uint(tmp)
-
 		} else {
 			tmp, err := strconv.ParseUint(parts[0], 10, 64)
 			if err != nil {

server_publish_test.go

@@ -18,6 +18,44 @@ import (
 	"github.com/aler9/gortsplib/pkg/headers"
 )
 
+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 {
+			track, err := NewTrackH264(96, &TrackConfigH264{[]byte{0x01, 0x02, 0x03, 0x04}, []byte{0x01, 0x02, 0x03, 0x04}})
+			require.NoError(t, err)
+			track.Media.Attributes = append(track.Media.Attributes, psdp.Attribute{
+				Key:   "control",
+				Value: control,
+			})
+
+			sout := &psdp.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{
+					track.Media,
+				},
+			}
+
+			byts, _ := sout.Marshal()
+			return byts
+		}(),
+	}
+}
+
 func TestServerPublishErrorAnnounce(t *testing.T) {
 	for _, ca := range []struct {
 		name string
@@ -92,119 +130,17 @@ func TestServerPublishErrorAnnounce(t *testing.T) {
 		},
 		{
 			"invalid URL 1",
-			base.Request{
+			invalidURLAnnounceReq(t, "rtsp://  aaaaa"),
-				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 {
-					track, err := NewTrackH264(96, &TrackConfigH264{[]byte{0x01, 0x02, 0x03, 0x04}, []byte{0x01, 0x02, 0x03, 0x04}})
-					require.NoError(t, err)
-					track.Media.Attributes = append(track.Media.Attributes, psdp.Attribute{
-						Key:   "control",
-						Value: "rtsp://  aaaaa",
-					})
-
-					sout := &psdp.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{
-							track.Media,
-						},
-					}
-
-					byts, _ := sout.Marshal()
-					return byts
-				}(),
-			},
 			"unable to generate track URL",
 		},
 		{
 			"invalid URL 2",
-			base.Request{
+			invalidURLAnnounceReq(t, "rtsp://host"),
-				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 {
-					track, err := NewTrackH264(96, &TrackConfigH264{[]byte{0x01, 0x02, 0x03, 0x04}, []byte{0x01, 0x02, 0x03, 0x04}})
-					require.NoError(t, err)
-					track.Media.Attributes = append(track.Media.Attributes, psdp.Attribute{
-						Key:   "control",
-						Value: "rtsp://host",
-					})
-
-					sout := &psdp.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{
-							track.Media,
-						},
-					}
-
-					byts, _ := sout.Marshal()
-					return byts
-				}(),
-			},
 			"invalid track URL (rtsp://localhost:8554)",
 		},
 		{
 			"invalid URL 3",
-			base.Request{
+			invalidURLAnnounceReq(t, "rtsp://host/otherpath"),
-				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 {
-					track, err := NewTrackH264(96, &TrackConfigH264{[]byte{0x01, 0x02, 0x03, 0x04}, []byte{0x01, 0x02, 0x03, 0x04}})
-					require.NoError(t, err)
-					track.Media.Attributes = append(track.Media.Attributes, psdp.Attribute{
-						Key:   "control",
-						Value: "rtsp://host/otherpath",
-					})
-
-					sout := &psdp.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{
-							track.Media,
-						},
-					}
-
-					byts, _ := sout.Marshal()
-					return byts
-				}(),
-			},
 			"invalid track path: must begin with 'teststream', but is 'otherpath'",
 		},
 	} {
@@ -847,7 +783,6 @@ func TestServerPublish(t *testing.T) {
 					IP:   net.ParseIP("127.0.0.1"),
 					Port: th.ServerPorts[1],
 				})
-
 			} else {
 				err = base.InterleavedFrame{
 					Channel: 0,
@@ -873,7 +808,6 @@ func TestServerPublish(t *testing.T) {
 				n, _, err := l2.ReadFrom(buf)
 				require.NoError(t, err)
 				require.Equal(t, []byte{0x09, 0x0A, 0x0B, 0x0C}, buf[:n])
-
 			} else {
 				var f base.InterleavedFrame
 				f.Payload = make([]byte, 2048)

server_read_test.go

@@ -142,7 +142,9 @@ func TestServerReadSetupPath(t *testing.T) {
 	}
 }
 
-func TestServerReadErrorSetupDifferentPaths(t *testing.T) {
+func TestServerReadSetupErrors(t *testing.T) {
+	for _, ca := range []string{"different paths", "double setup"} {
+		t.Run(ca, func(t *testing.T) {
 			connClosed := make(chan struct{})
 
 			track, err := NewTrackH264(96, &TrackConfigH264{[]byte{0x01, 0x02, 0x03, 0x04}, []byte{0x01, 0x02, 0x03, 0x04}})
@@ -153,7 +155,11 @@ func TestServerReadErrorSetupDifferentPaths(t *testing.T) {
 			s := &Server{
 				Handler: &testServerHandler{
 					onConnClose: func(ctx *ServerHandlerOnConnCloseCtx) {
+						if ca == "different paths" {
 							require.Equal(t, "can't setup tracks with different paths", ctx.Error.Error())
+						} else {
+							require.Equal(t, "track 0 has already been setup", ctx.Error.Error())
+						}
 						close(connClosed)
 					},
 					onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
@@ -186,6 +192,7 @@ func TestServerReadErrorSetupDifferentPaths(t *testing.T) {
 				InterleavedIDs: &[2]int{0, 1},
 			}
 
+			if ca == "different paths" {
 				res, err := writeReqReadRes(bconn, base.Request{
 					Method: base.Setup,
 					URL:    mustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
@@ -210,54 +217,7 @@ func TestServerReadErrorSetupDifferentPaths(t *testing.T) {
 				})
 				require.NoError(t, err)
 				require.Equal(t, base.StatusBadRequest, res.StatusCode)
-
+			} else {
-	<-connClosed
-}
-
-func TestServerReadErrorSetupTrackTwice(t *testing.T) {
-	connClosed := make(chan struct{})
-
-	track, err := NewTrackH264(96, &TrackConfigH264{[]byte{0x01, 0x02, 0x03, 0x04}, []byte{0x01, 0x02, 0x03, 0x04}})
-	require.NoError(t, err)
-
-	stream := NewServerStream(Tracks{track})
-
-	s := &Server{
-		Handler: &testServerHandler{
-			onConnClose: func(ctx *ServerHandlerOnConnCloseCtx) {
-				require.Equal(t, "track 0 has already been setup", ctx.Error.Error())
-				close(connClosed)
-			},
-			onSetup: func(ctx *ServerHandlerOnSetupCtx) (*base.Response, *ServerStream, error) {
-				return &base.Response{
-					StatusCode: base.StatusOK,
-				}, stream, nil
-			},
-		},
-	}
-
-	err = s.Start("localhost:8554")
-	require.NoError(t, err)
-	defer s.Close()
-
-	conn, err := net.Dial("tcp", "localhost:8554")
-	require.NoError(t, err)
-	defer conn.Close()
-	bconn := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
-
-	th := &headers.Transport{
-		Protocol: headers.TransportProtocolTCP,
-		Delivery: func() *headers.TransportDelivery {
-			v := headers.TransportDeliveryUnicast
-			return &v
-		}(),
-		Mode: func() *headers.TransportMode {
-			v := headers.TransportModePlay
-			return &v
-		}(),
-		InterleavedIDs: &[2]int{0, 1},
-	}
-
 				res, err := writeReqReadRes(bconn, base.Request{
 					Method: base.Setup,
 					URL:    mustParseURL("rtsp://localhost:8554/teststream/trackID=0"),
@@ -282,8 +242,11 @@ func TestServerReadErrorSetupTrackTwice(t *testing.T) {
 				})
 				require.NoError(t, err)
 				require.Equal(t, base.StatusBadRequest, res.StatusCode)
+			}
 
 			<-connClosed
+		})
+	}
 }
 
 func TestServerRead(t *testing.T) {

server_test.go

@@ -409,7 +409,6 @@ func TestServerHighLevelPublishRead(t *testing.T) {
 				cert, err := tls.X509KeyPair(serverCert, serverKey)
 				require.NoError(t, err)
 				s.TLSConfig = &tls.Config{Certificates: []tls.Certificate{cert}}
-
 			} else {
 				proto = "rtsp"
 				s.UDPRTPAddress = "127.0.0.1:8000"

serverconn.go

@@ -191,7 +191,6 @@ func (sc *ServerConn) run() {
 							return liberrors.ErrServerTerminated{}
 						}
 					}
-
 				} else {
 					err := req.Read(sc.br)
 					if err != nil {
@@ -522,7 +521,6 @@ func (sc *ServerConn) handleRequestOuter(req *base.Request) error {
 			// start background write
 			sc.tcpFrameBackgroundWriteDone = make(chan struct{})
 			go sc.tcpFrameBackgroundWrite()
-
 		} else {
 			if sc.tcpFrameIsRecording {
 				sc.tcpFrameTimeout = false

serversession.go

@@ -294,7 +294,6 @@ func (ss *ServerSession) run() {
 				if (ss.state != ServerSessionStatePublish &&
 					ss.state != ServerSessionStateRead) ||
 					*ss.setuppedTransport == TransportTCP {
-
 					// close if there are no associated connections
 					if len(ss.conns) == 0 {
 						return liberrors.ErrServerSessionNoAssociatedConns{}