bugfix in empty data

xtaci · Mar 21, 2019 · bcef39b · bcef39b
1 parent 44234c0
commit bcef39b
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/kcp.go b/kcp.go
@@ -669,7 +669,7 @@ func (kcp *KCP) flush(ackOnly bool) uint32 {
 
 	if ackOnly { // flash remain ack segments
 		size := len(buffer) - len(ptr)
-		if size > 0 {
+		if size > kcp.keep {
 			kcp.output(buffer, size)
 		}
 		return kcp.interval

diff --git a/sess.go b/sess.go
@@ -142,7 +142,7 @@ func newUDPSession(conv uint32, dataShards, parityShards int, l *Listener, conn
 	}
 
 	sess.kcp = NewKCP(conv, func(buf []byte, size int) {
-		if size >= IKCP_OVERHEAD {
+		if size >= IKCP_OVERHEAD+sess.headerSize {
 			sess.output(buf[:size])
 		}
 	})