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queue 0-RTT packets for retransmission when 0-RTT is rejected

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This commit is contained in:
Marten Seemann
2020-01-23 15:11:05 +07:00
parent bc82887eff
commit 2473eb0895
4 changed files with 46 additions and 7 deletions
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29
internal/ackhandler/sent_packet_handler.go
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@@ -102,19 +102,34 @@ func NewSentPacketHandler(
func (h *sentPacketHandler) DropPackets(encLevel protocol.EncryptionLevel) {
// remove outstanding packets from bytes_in_flight
pnSpace := h.getPacketNumberSpace(encLevel)
pnSpace.history.Iterate(func(p *Packet) (bool, error) {
if p.includedInBytesInFlight {
h.bytesInFlight -= p.Length
}
return true, nil
})
if encLevel == protocol.EncryptionInitial || encLevel == protocol.EncryptionHandshake {
pnSpace := h.getPacketNumberSpace(encLevel)
pnSpace.history.Iterate(func(p *Packet) (bool, error) {
if p.includedInBytesInFlight {
h.bytesInFlight -= p.Length
}
return true, nil
})
}
// drop the packet history
switch encLevel {
case protocol.EncryptionInitial:
h.initialPackets = nil
case protocol.EncryptionHandshake:
h.handshakePackets = nil
case protocol.Encryption0RTT:
// TODO(#2067): invalidate sent data
h.appDataPackets.history.Iterate(func(p *Packet) (bool, error) {
if p.EncryptionLevel != protocol.Encryption0RTT {
return false, nil
}
h.queueFramesForRetransmission(p)
if p.includedInBytesInFlight {
h.bytesInFlight -= p.Length
}
h.appDataPackets.history.Remove(p.PacketNumber)
return true, nil
})
default:
panic(fmt.Sprintf("Cannot drop keys for encryption level %s", encLevel))
}