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implement RTO computation in sentPacketHandler

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ref #56
This commit is contained in:
Lucas Clemente
2016-05-18 20:34:07 +02:00
parent a0228a9049
commit 753f219638
6 changed files with 51 additions and 3 deletions
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12
ackhandler/sent_packet_handler.go
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@@ -118,7 +118,9 @@ func (h *sentPacketHandler) SentPacket(packet *Packet) error {
if h.lastSentPacketNumber+1 != packet.PacketNumber {
return errWrongPacketNumberIncrement
}
packet.sendTime = time.Now()
now := time.Now()
packet.sendTime = now
packet.rtoTime = now.Add(h.getRTO())
if packet.Length == 0 {
return errors.New("SentPacketHandler: packet cannot be empty")
}
@@ -278,3 +280,11 @@ func (h *sentPacketHandler) GetLargestObserved() protocol.PacketNumber {
func (h *sentPacketHandler) AllowsSending() bool {
return h.BytesInFlight() <= h.congestion.GetCongestionWindow()
}
func (h *sentPacketHandler) getRTO() time.Duration {
rto := h.congestion.RetransmissionDelay()
if rto == 0 {
rto = protocol.DefaultRetransmissionTime
}
return utils.MaxDuration(rto, protocol.MinRetransmissionTime)
}