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introduce separate congestion debug interface to simplify mocking

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This commit is contained in:
Lucas Clemente 2016-05-08 17:53:46 +02:00
parent dbcf5b8cce
commit db5e8f507e
3 changed files with 8 additions and 3 deletions
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2
congestion/cubic_sender.go
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@ -62,7 +62,7 @@ type cubicSender struct {
}
// NewCubicSender makes a new cubic sender
func NewCubicSender(clock Clock, rttStats *RTTStats, reno bool, initialCongestionWindow, initialMaxCongestionWindow protocol.PacketNumber) SendAlgorithm {
func NewCubicSender(clock Clock, rttStats *RTTStats, reno bool, initialCongestionWindow, initialMaxCongestionWindow protocol.PacketNumber) SendAlgorithmWithDebugInfo {
return &cubicSender{
rttStats: rttStats,
initialCongestionWindow: initialCongestionWindow,

2
congestion/cubic_sender_test.go
View file

@ -25,7 +25,7 @@ func (c *mockClock) Advance(d time.Duration) {
var _ = Describe("Cubic Sender", func() {
var (
sender congestion.SendAlgorithm
sender congestion.SendAlgorithmWithDebugInfo
clock mockClock
bytesInFlight protocol.ByteCount
packetNumber protocol.PacketNumber

7
congestion/interface.go
View file

@ -11,7 +11,6 @@ type SendAlgorithm interface {
OnPacketSent(sentTime time.Time, bytesInFlight protocol.ByteCount, packetNumber protocol.PacketNumber, bytes protocol.ByteCount, isRetransmittable bool) bool
GetCongestionWindow() protocol.ByteCount
OnCongestionEvent(rttUpdated bool, bytesInFlight protocol.ByteCount, ackedPackets PacketVector, lostPackets PacketVector)
BandwidthEstimate() Bandwidth
SetNumEmulatedConnections(n int)
OnRetransmissionTimeout(packetsRetransmitted bool)
OnConnectionMigration()
@ -19,9 +18,15 @@ type SendAlgorithm interface {
// Experiments
SetSlowStartLargeReduction(enabled bool)
}
type SendAlgorithmWithDebugInfo interface {
SendAlgorithm
BandwidthEstimate() Bandwidth
// Stuff only used in testing
// TODO: Maybe make CubicSender public and typeassert in tests?
HybridSlowStart() *HybridSlowStart
SlowstartThreshold() protocol.PacketNumber
RenoBeta() float32