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privatize some methods in the congestion controller package

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This commit is contained in:
Marten Seemann 2020-07-22 13:42:18 +07:00
parent c8255cbaf5
commit e79e45e3a2
2 changed files with 22 additions and 38 deletions
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22
internal/congestion/cubic_sender_test.go
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@ -182,9 +182,9 @@ var _ = Describe("Cubic Sender", func() {
Expect(sender.GetCongestionWindow()).To(Equal(expectedSendWindow))
// Now RTO and ensure slow start gets reset.
Expect(sender.HybridSlowStart().Started()).To(BeTrue())
Expect(sender.hybridSlowStart.Started()).To(BeTrue())
sender.OnRetransmissionTimeout(true)
Expect(sender.HybridSlowStart().Started()).To(BeFalse())
Expect(sender.hybridSlowStart.Started()).To(BeFalse())
})
It("slow start packet loss with large reduction", func() {
@ -233,9 +233,9 @@ var _ = Describe("Cubic Sender", func() {
Expect(sender.GetCongestionWindow()).To(Equal(expectedSendWindow))
// Now RTO and ensure slow start gets reset.
Expect(sender.HybridSlowStart().Started()).To(BeTrue())
Expect(sender.hybridSlowStart.Started()).To(BeTrue())
sender.OnRetransmissionTimeout(true)
Expect(sender.HybridSlowStart().Started()).To(BeFalse())
Expect(sender.hybridSlowStart.Started()).To(BeFalse())
})
It("slow start half packet loss with large reduction", func() {
@ -368,13 +368,13 @@ var _ = Describe("Cubic Sender", func() {
It("RTO congestion window", func() {
Expect(sender.GetCongestionWindow()).To(Equal(defaultWindowTCP))
Expect(sender.SlowstartThreshold()).To(Equal(MaxCongestionWindow))
Expect(sender.slowStartThreshold).To(Equal(MaxCongestionWindow))
// Expect the window to decrease to the minimum once the RTO fires
// and slow start threshold to be set to 1/2 of the CWND.
sender.OnRetransmissionTimeout(true)
Expect(sender.GetCongestionWindow()).To(Equal(2 * maxDatagramSize))
Expect(sender.SlowstartThreshold()).To(Equal(5 * maxDatagramSize))
Expect(sender.slowStartThreshold).To(Equal(5 * maxDatagramSize))
})
It("RTO congestion window no retransmission", func() {
@ -458,7 +458,7 @@ var _ = Describe("Cubic Sender", func() {
LoseNPackets(1)
// We should now have fallen out of slow start with a reduced window.
expectedSendWindow = protocol.ByteCount(float32(expectedSendWindow) * sender.RenoBeta())
expectedSendWindow = protocol.ByteCount(float32(expectedSendWindow) * sender.renoBeta())
Expect(sender.GetCongestionWindow()).To(Equal(expectedSendWindow))
// No congestion window growth should occur in recovery phase, i.e., until the
@ -557,7 +557,7 @@ var _ = Describe("Cubic Sender", func() {
It("reset after connection migration", func() {
Expect(sender.GetCongestionWindow()).To(Equal(defaultWindowTCP))
Expect(sender.SlowstartThreshold()).To(Equal(MaxCongestionWindow))
Expect(sender.slowStartThreshold).To(Equal(MaxCongestionWindow))
// Starts with slow start.
sender.SetNumEmulatedConnections(1)
@ -578,13 +578,13 @@ var _ = Describe("Cubic Sender", func() {
// start threshold is also updated.
expectedSendWindow = protocol.ByteCount(float32(expectedSendWindow) * renoBeta)
Expect(sender.GetCongestionWindow()).To(Equal(expectedSendWindow))
Expect(sender.SlowstartThreshold()).To(Equal(expectedSendWindow))
Expect(sender.slowStartThreshold).To(Equal(expectedSendWindow))
// Resets cwnd and slow start threshold on connection migrations.
sender.OnConnectionMigration()
Expect(sender.GetCongestionWindow()).To(Equal(defaultWindowTCP))
Expect(sender.SlowstartThreshold()).To(Equal(MaxCongestionWindow))
Expect(sender.HybridSlowStart().Started()).To(BeFalse())
Expect(sender.slowStartThreshold).To(Equal(MaxCongestionWindow))
Expect(sender.hybridSlowStart.Started()).To(BeFalse())
})
It("default max cwnd", func() {