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retire delayed conn IDs arriving after a higher conn ID was retired

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This commit is contained in:
Marten Seemann 2019-11-24 10:12:02 +07:00
parent a53569839c
commit f1fd07df59
2 changed files with 36 additions and 5 deletions
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31
conn_id_manager_test.go
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@ -15,7 +15,7 @@ var _ = Describe("Connection ID Manager", func() {
retiredTokens [][16]byte
removedTokens [][16]byte
)
initialConnID := protocol.ConnectionID{1, 1, 1, 1}
initialConnID := protocol.ConnectionID{0, 0, 0, 0}
BeforeEach(func() {
frameQueue = nil
@ -243,6 +243,35 @@ var _ = Describe("Connection ID Manager", func() {
Expect(counter).To(BeNumerically("~", 50, 10))
})
It("retires delayed connection IDs that arrive after a higher connection ID was already retired", func() {
for s := uint8(10); s <= 10+protocol.MaxActiveConnectionIDs/2; s++ {
Expect(m.Add(&wire.NewConnectionIDFrame{
SequenceNumber: uint64(s),
ConnectionID: protocol.ConnectionID{s, s, s, s},
StatelessResetToken: [16]byte{s, s, s, s, s, s, s, s, s, s, s, s, s, s, s, s},
})).To(Succeed())
}
Expect(m.Get()).To(Equal(protocol.ConnectionID{10, 10, 10, 10}))
for {
m.SentPacket()
if m.Get().Equal(protocol.ConnectionID{11, 11, 11, 11}) {
break
}
}
// The active conn ID is now {11, 11, 11, 11}
Expect(m.queue.Front().Value.ConnectionID).To(Equal(protocol.ConnectionID{12, 12, 12, 12}))
// Add a delayed connection ID. It should just be ignored now.
frameQueue = nil
Expect(m.Add(&wire.NewConnectionIDFrame{
SequenceNumber: uint64(5),
ConnectionID: protocol.ConnectionID{5, 5, 5, 5},
StatelessResetToken: [16]byte{5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5},
})).To(Succeed())
Expect(m.queue.Front().Value.ConnectionID).To(Equal(protocol.ConnectionID{12, 12, 12, 12}))
Expect(frameQueue).To(HaveLen(1))
Expect(frameQueue[0].(*wire.RetireConnectionIDFrame).SequenceNumber).To(BeEquivalentTo(5))
})
It("only initiates subsequent updates when enough if enough connection IDs are queued", func() {
for i := uint8(1); i <= protocol.MaxActiveConnectionIDs/2; i++ {
Expect(m.Add(&wire.NewConnectionIDFrame{