reset fastack = 0 to prevent from sending needless data

xtaci · xtaci · commit d59f410c97d5 · 2019-09-24T05:20:15.000Z
diff --git a/kcp.go b/kcp.go
@@ -809,6 +809,7 @@ func (kcp *KCP) flush(ackOnly bool) uint32 {
 			} else {
 				segment.rto += kcp.rx_rto / 2
 			}
+			segment.fastack = 0
 			segment.resendts = current + segment.rto
 			lost++
 			lostSegs++

Original file line number	Diff line number	Diff line change
`@@ -809,6 +809,7 @@ func (kcp *KCP) flush(ackOnly bool) uint32 {`
`809`	`809`	`} else {`
`810`	`810`	`segment.rto += kcp.rx_rto / 2`
`811`	`811`	`}`
	`812`	`+ segment.fastack = 0`
`812`	`813`	`segment.resendts = current + segment.rto`
`813`	`814`	`lost++`
`814`	`815`	`lostSegs++`