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don't send path MTU probe packets on a timer (#3423)

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Marten Seemann 2022-05-20 12:10:39 +02:00 • committed by GitHub
parent de5f08171b
commit 2e98150cd4
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5 changed files with 2 additions and 39 deletions
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4
mtu_discoverer_test.go
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@ -38,17 +38,14 @@ var _ = Describe("MTU Discoverer", func() {
It("only allows a probe 5 RTTs after the handshake completes", func() {
Expect(d.ShouldSendProbe(now)).To(BeFalse())
Expect(d.ShouldSendProbe(now.Add(rtt * 9 / 2))).To(BeFalse())
Expect(d.NextProbeTime()).To(BeTemporally("~", now.Add(5*rtt), scaleDuration(20*time.Millisecond)))
Expect(d.ShouldSendProbe(now.Add(rtt * 5))).To(BeTrue())
})
It("doesn't allow a probe if another probe is still in flight", func() {
ping, _ := d.GetPing()
Expect(d.ShouldSendProbe(now.Add(10 * rtt))).To(BeFalse())
Expect(d.NextProbeTime()).To(BeZero())
ping.OnLost(ping.Frame)
Expect(d.ShouldSendProbe(now.Add(10 * rtt))).To(BeTrue())
Expect(d.NextProbeTime()).ToNot(BeZero())
})
It("tries a lower size when a probe is lost", func() {
@ -79,7 +76,6 @@ var _ = Describe("MTU Discoverer", func() {
}
Expect(sizes).To(Equal([]protocol.ByteCount{1500, 1750, 1875, 1937, 1968, 1984}))
Expect(d.ShouldSendProbe(t.Add(10 * rtt))).To(BeFalse())
Expect(d.NextProbeTime()).To(BeZero())
})
It("finds the MTU", func() {