server: make Close() wait for all resources to close

client.go

@@ -222,7 +222,7 @@ type Client struct {
 	checkStreamInitial bool
 	tcpLastFrameTime   int64
 	keepaliveTimer     *time.Timer
-	finalErr           error
+	closeError         error
 
 	// connCloser channels
 	connCloserTerminate chan struct{}
@@ -412,14 +412,14 @@ func (c *Client) StartPublishing(address string, tracks Tracks) error {
 func (c *Client) Close() error {
 	c.ctxCancel()
 	<-c.done
-	return c.finalErr
+	return c.closeError
 }
 
 // Wait waits until all client resources are closed.
 // This can happen when a read error occurs or when Close() is called.
 func (c *Client) Wait() error {
 	<-c.done
-	return c.finalErr
+	return c.closeError
 }
 
 // Tracks returns all the tracks that the client is reading or publishing.
@@ -444,7 +444,7 @@ func (c *Client) Tracks() Tracks {
 func (c *Client) run() {
 	defer close(c.done)
 
-	c.finalErr = func() error {
+	c.closeError = func() error {
 		for {
 			select {
 			case req := <-c.options:
@@ -1746,7 +1746,7 @@ func (c *Client) WritePacketRTP(trackID int, payload []byte) error {
 	if !c.writeFrameAllowed {
 		select {
 		case <-c.done:
-			return c.finalErr
+			return c.closeError
 		default:
 			return nil
 		}
@@ -1784,7 +1784,7 @@ func (c *Client) WritePacketRTCP(trackID int, payload []byte) error {
 	if !c.writeFrameAllowed {
 		select {
 		case <-c.done:
-			return c.finalErr
+			return c.closeError
 		default:
 			return nil
 		}

server.go

@@ -142,7 +142,7 @@ type Server struct {
 	udpRTCPListener *serverUDPListener
 	sessions        map[string]*ServerSession
 	conns           map[*ServerConn]struct{}
-	exitError       error
+	closeError      error
 	streams         map[*ServerStream]struct{}
 
 	// in
@@ -302,18 +302,18 @@ func (s *Server) Start() error {
 	return nil
 }
 
-// Close closes all the server resources.
+// Close closes all the server resources and waits for the to close.
-// It doesn't wait for the server resources to close (use Wait for that).
 func (s *Server) Close() error {
 	s.ctxCancel()
-	return nil
+	s.wg.Wait()
+	return s.closeError
 }
 
 // Wait waits until all server resources are closed.
 // This can happen when a fatal error occurs or when Close() is called.
 func (s *Server) Wait() error {
 	s.wg.Wait()
-	return s.exitError
+	return s.closeError
 }
 
 func (s *Server) run() {
@@ -355,7 +355,7 @@ func (s *Server) run() {
 		}
 	}()
 
-	s.exitError = func() error {
+	s.closeError = func() error {
 		for {
 			select {
 			case err := <-acceptErr:

server_publish_test.go

@@ -164,7 +164,6 @@ func TestServerPublishErrorAnnounce(t *testing.T) {
 
 			err := s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			conn, err := net.Dial("tcp", "localhost:8554")
@@ -252,7 +251,6 @@ func TestServerPublishSetupPath(t *testing.T) {
 
 			err := s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			conn, err := net.Dial("tcp", "localhost:8554")
@@ -349,7 +347,6 @@ func TestServerPublishErrorSetupDifferentPaths(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -433,7 +430,6 @@ func TestServerPublishErrorSetupTrackTwice(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -534,7 +530,6 @@ func TestServerPublishErrorRecordPartialTracks(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -675,7 +670,6 @@ func TestServerPublish(t *testing.T) {
 
 			err := s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			nconn, err := net.Dial("tcp", "localhost:8554")
@@ -876,7 +870,6 @@ func TestServerPublishNonStandardFrameSize(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	nconn, err := net.Dial("tcp", "localhost:8554")
@@ -978,7 +971,6 @@ func TestServerPublishErrorInvalidProtocol(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -1081,7 +1073,6 @@ func TestServerPublishRTCPReport(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -1242,7 +1233,6 @@ func TestServerPublishTimeout(t *testing.T) {
 
 			err := s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			nconn, err := net.Dial("tcp", "localhost:8554")
@@ -1372,7 +1362,6 @@ func TestServerPublishWithoutTeardown(t *testing.T) {
 
 			err := s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			nconn, err := net.Dial("tcp", "localhost:8554")
@@ -1489,7 +1478,6 @@ func TestServerPublishUDPChangeConn(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	sxID := ""

server_read_test.go

@@ -110,7 +110,6 @@ func TestServerReadSetupPath(t *testing.T) {
 
 			err = s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			conn, err := net.Dial("tcp", "localhost:8554")
@@ -176,7 +175,6 @@ func TestServerReadSetupErrors(t *testing.T) {
 
 			err = s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			conn, err := net.Dial("tcp", "localhost:8554")
@@ -344,7 +342,6 @@ func TestServerRead(t *testing.T) {
 
 			err = s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			nconn, err := net.Dial("tcp", listenIP+":8554")
@@ -604,7 +601,6 @@ func TestServerReadNonStandardFrameSize(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	nconn, err := net.Dial("tcp", "localhost:8554")
@@ -705,7 +701,6 @@ func TestServerReadTCPResponseBeforeFrames(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -778,7 +773,6 @@ func TestServerReadPlayPlay(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -887,7 +881,6 @@ func TestServerReadPlayPausePlay(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -1003,7 +996,6 @@ func TestServerReadPlayPausePause(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -1116,7 +1108,6 @@ func TestServerReadTimeout(t *testing.T) {
 
 			err = s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			nconn, err := net.Dial("tcp", "localhost:8554")
@@ -1215,7 +1206,6 @@ func TestServerReadWithoutTeardown(t *testing.T) {
 
 			err = s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			nconn, err := net.Dial("tcp", "localhost:8554")
@@ -1303,7 +1293,6 @@ func TestServerReadUDPChangeConn(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	sxID := ""
@@ -1396,7 +1385,6 @@ func TestServerReadErrorUDPSamePorts(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	func() {
@@ -1503,7 +1491,6 @@ func TestServerReadNonSetuppedPath(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -1669,7 +1656,6 @@ func TestServerReadAdditionalInfos(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	buf, err := (&rtp.Packet{

server_test.go

@@ -436,7 +436,6 @@ func TestServerHighLevelPublishRead(t *testing.T) {
 
 			err := s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			switch ca.publisherSoft {
@@ -538,7 +537,6 @@ func TestServerClose(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	s.Close()
 	s.Close()
 }
@@ -583,7 +581,6 @@ func TestServerConnClose(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -599,7 +596,6 @@ func TestServerCSeq(t *testing.T) {
 	}
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -634,7 +630,6 @@ func TestServerErrorCSeqMissing(t *testing.T) {
 	}
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -667,7 +662,6 @@ func TestServerErrorInvalidMethod(t *testing.T) {
 	}
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -717,7 +711,6 @@ func TestServerErrorTCPTwoConnOneSession(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn1, err := net.Dial("tcp", "localhost:8554")
@@ -816,7 +809,6 @@ func TestServerErrorTCPOneConnTwoSessions(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -903,7 +895,6 @@ func TestServerGetSetParameter(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -976,7 +967,6 @@ func TestServerErrorInvalidSession(t *testing.T) {
 
 			err := s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			conn, err := net.Dial("tcp", "localhost:8554")
@@ -1020,7 +1010,6 @@ func TestServerSessionClose(t *testing.T) {
 
 	err := s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -1076,7 +1065,6 @@ func TestServerSessionAutoClose(t *testing.T) {
 
 	err = s.Start()
 	require.NoError(t, err)
-	defer s.Wait()
 	defer s.Close()
 
 	conn, err := net.Dial("tcp", "localhost:8554")
@@ -1155,7 +1143,6 @@ func TestServerErrorInvalidPath(t *testing.T) {
 
 			err = s.Start()
 			require.NoError(t, err)
-			defer s.Wait()
 			defer s.Close()
 
 			conn, err := net.Dial("tcp", "localhost:8554")