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don't retransmit PATH_CHALLENGE and PATH_RESPONSE frames (#4200)

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This commit is contained in:
Marten Seemann
2023-12-13 09:52:13 +05:30
committed by GitHub
parent 574dc84c0c
commit ff6d575ee3
2 changed files with 38 additions and 1 deletions
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31
packet_packer_test.go
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@@ -562,6 +562,37 @@ var _ = Describe("Packet packer", func() {
Expect(buffer.Len()).ToNot(BeZero())
})
It("packs PATH_CHALLENGE and PATH_RESPONSE frames", func() {
pnManager.EXPECT().PeekPacketNumber(protocol.Encryption1RTT).Return(protocol.PacketNumber(0x42), protocol.PacketNumberLen2)
pnManager.EXPECT().PopPacketNumber(protocol.Encryption1RTT).Return(protocol.PacketNumber(0x42))
sealingManager.EXPECT().Get1RTTSealer().Return(getSealer(), nil)
framer.EXPECT().HasData().Return(true)
ackFramer.EXPECT().GetAckFrame(protocol.Encryption1RTT, false)
frames := []ackhandler.Frame{
{Frame: &wire.PathChallengeFrame{}},
{Frame: &wire.PathResponseFrame{}},
{Frame: &wire.DataBlockedFrame{}},
}
expectAppendControlFrames(frames...)
expectAppendStreamFrames()
buffer := getPacketBuffer()
p, err := packer.AppendPacket(buffer, maxPacketSize, protocol.Version1)
Expect(p).ToNot(BeNil())
Expect(err).ToNot(HaveOccurred())
Expect(p.Frames).To(HaveLen(3))
for i, f := range p.Frames {
Expect(f).To(BeAssignableToTypeOf(frames[i]))
switch f.Frame.(type) {
case *wire.PathChallengeFrame, *wire.PathResponseFrame:
// This means that the frame won't be retransmitted.
Expect(f.Handler).To(BeNil())
default:
Expect(f.Handler).ToNot(BeNil())
}
}
Expect(buffer.Len()).ToNot(BeZero())
})
It("packs DATAGRAM frames", func() {
ackFramer.EXPECT().GetAckFrame(protocol.Encryption1RTT, true)
pnManager.EXPECT().PeekPacketNumber(protocol.Encryption1RTT).Return(protocol.PacketNumber(0x42), protocol.PacketNumberLen2)