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delete unacknowledged packets from the packet history after 3 PTOs

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This commit is contained in:
Marten Seemann 2020-09-07 14:19:43 +07:00
parent c81eeb8bb8
commit 8f4257a883
5 changed files with 123 additions and 45 deletions
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20
internal/ackhandler/sent_packet_handler_test.go
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@ -26,7 +26,7 @@ var _ = Describe("SentPacketHandler", func() {
JustBeforeEach(func() {
lostPackets = nil
rttStats := &utils.RTTStats{}
rttStats := utils.NewRTTStats()
handler = newSentPacketHandler(42, rttStats, perspective, nil, nil, utils.DefaultLogger)
streamFrame = wire.StreamFrame{
StreamID: 5,
@ -86,7 +86,14 @@ var _ = Describe("SentPacketHandler", func() {
expectInPacketHistory := func(expected []protocol.PacketNumber, encLevel protocol.EncryptionLevel) {
pnSpace := handler.getPacketNumberSpace(encLevel)
ExpectWithOffset(1, pnSpace.history.Len()).To(Equal(len(expected)))
var length int
pnSpace.history.Iterate(func(p *Packet) (bool, error) {
if !p.declaredLost {
length++
}
return true, nil
})
ExpectWithOffset(1, length).To(Equal(len(expected)))
for _, p := range expected {
ExpectWithOffset(2, pnSpace.history.packetMap).To(HaveKey(p))
}
@ -190,7 +197,14 @@ var _ = Describe("SentPacketHandler", func() {
Context("acks the right packets", func() {
expectInPacketHistoryOrLost := func(expected []protocol.PacketNumber, encLevel protocol.EncryptionLevel) {
pnSpace := handler.getPacketNumberSpace(encLevel)
ExpectWithOffset(1, pnSpace.history.Len()+len(lostPackets)).To(Equal(len(expected)))
var length int
pnSpace.history.Iterate(func(p *Packet) (bool, error) {
if !p.declaredLost {
length++
}
return true, nil
})
ExpectWithOffset(1, length+len(lostPackets)).To(Equal(len(expected)))
expectedLoop:
for _, p := range expected {
if _, ok := pnSpace.history.packetMap[p]; ok {