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flush acklist when dirty

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Darien Raymond 2016-12-02 16:49:33 +01:00
parent 60697e4e4f
commit 207c7aa8a7
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GPG Key ID: 7251FFA14BB18169
1 changed files with 9 additions and 4 deletions
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13
transport/internet/kcp/receiving.go
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@ -62,14 +62,15 @@ type AckList struct {
nextFlush []uint32
flushCandidates []uint32
dirty bool
}
func NewAckList(writer SegmentWriter) *AckList {
return &AckList{
writer: writer,
timestamps: make([]uint32, 0, 32),
numbers: make([]uint32, 0, 32),
nextFlush: make([]uint32, 0, 32),
timestamps: make([]uint32, 0, 128),
numbers: make([]uint32, 0, 128),
nextFlush: make([]uint32, 0, 128),
flushCandidates: make([]uint32, 0, 128),
}
}
@ -78,6 +79,7 @@ func (v *AckList) Add(number uint32, timestamp uint32) {
v.timestamps = append(v.timestamps, timestamp)
v.numbers = append(v.numbers, number)
v.nextFlush = append(v.nextFlush, 0)
v.dirty = true
}
func (v *AckList) Clear(una uint32) {
@ -97,6 +99,7 @@ func (v *AckList) Clear(una uint32) {
v.numbers = v.numbers[:count]
v.timestamps = v.timestamps[:count]
v.nextFlush = v.nextFlush[:count]
v.dirty = true
}
}
@ -123,9 +126,10 @@ func (v *AckList) Flush(current uint32, rto uint32) {
v.writer.Write(seg)
seg.Release()
seg = NewAckSegment()
v.dirty = false
}
}
if seg.Count > 0 {
if v.dirty || seg.Count > 0 {
for _, number := range v.flushCandidates {
if seg.IsFull() {
break
@ -134,6 +138,7 @@ func (v *AckList) Flush(current uint32, rto uint32) {
}
v.writer.Write(seg)
seg.Release()
v.dirty = false
}
}