Reject WriteSCTP when stream close

pion · Oct 13, 2022 · bc97f42 · bc97f42
1 parent 1bd9920
commit bc97f42
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/stream.go b/stream.go
@@ -202,6 +202,10 @@ func (s *Stream) WriteSCTP(p []byte, ppi PayloadProtocolIdentifier) (int, error)
 		return 0, fmt.Errorf("%w: %v", errOutboundPacketTooLarge, math.MaxUint16)
 	}
 
+	if s.State() != StreamStateOpen {
+		return 0, errStreamClosed
+	}
+
 	chunks := s.packetize(p, ppi)
 	n := len(p)
 	err := s.association.sendPayloadData(chunks)