From 31ca7b731df41b01f9281aeb9b147cf2ff1373f4 Mon Sep 17 00:00:00 2001
From: xtaci <imap@live.com>
Date: Tue, 23 Apr 2019 11:59:03 +0800
Subject: [PATCH] rename typeFEC->typeParity

---
 fec.go      | 4 ++--
 fec_test.go | 2 +-
 sess.go     | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/fec.go b/fec.go
index dde2e42..277800a 100644
--- a/fec.go
+++ b/fec.go
@@ -11,7 +11,7 @@ const (
 	fecHeaderSize      = 6
 	fecHeaderSizePlus2 = fecHeaderSize + 2 // plus 2B data size
 	typeData           = 0xf1
-	typeFEC            = 0xf2
+	typeParity         = 0xf2
 )
 
 // fecPacket is a decoded FEC packet
@@ -298,7 +298,7 @@ func (enc *fecEncoder) markData(data []byte) {
 
 func (enc *fecEncoder) markParity(data []byte) {
 	binary.LittleEndian.PutUint32(data, enc.next)
-	binary.LittleEndian.PutUint16(data[4:], typeFEC)
+	binary.LittleEndian.PutUint16(data[4:], typeParity)
 	// sequence wrap will only happen at parity shard
 	enc.next = (enc.next + 1) % enc.paws
 }
diff --git a/fec_test.go b/fec_test.go
index ec55926..fffc69b 100644
--- a/fec_test.go
+++ b/fec_test.go
@@ -20,7 +20,7 @@ func BenchmarkFECDecode(b *testing.B) {
 		pkt := make([]byte, payLoad)
 		binary.LittleEndian.PutUint32(pkt, uint32(i))
 		if i%(dataSize+paritySize) >= dataSize {
-			binary.LittleEndian.PutUint16(pkt[4:], typeFEC)
+			binary.LittleEndian.PutUint16(pkt[4:], typeParity)
 		} else {
 			binary.LittleEndian.PutUint16(pkt[4:], typeData)
 		}
diff --git a/sess.go b/sess.go
index 8b8cc3d..690337f 100644
--- a/sess.go
+++ b/sess.go
@@ -554,8 +554,8 @@ func (s *UDPSession) kcpInput(data []byte) {
 	if s.fecDecoder != nil {
 		if len(data) > fecHeaderSize { // must be larger than fec header size
 			f := fecPacket(data)
-			if f.flag() == typeData || f.flag() == typeFEC { // header check
-				if f.flag() == typeFEC {
+			if f.flag() == typeData || f.flag() == typeParity { // header check
+				if f.flag() == typeParity {
 					fecParityShards++
 				}
 				recovers := s.fecDecoder.decode(f)