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Merge pull request #2569 from lucas-clemente/drop-duplicate-packets

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drop duplicate packets
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Marten Seemann 2020-05-29 16:39:46 +07:00 • committed by GitHub
commit 8d00ec135e
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10 changed files with 170 additions and 4 deletions
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22
internal/ackhandler/received_packet_handler_test.go
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@ -134,4 +134,26 @@ var _ = Describe("Received Packet Handler", func() {
Expect(ack.LowestAcked()).To(Equal(protocol.PacketNumber(2)))
Expect(ack.LargestAcked()).To(Equal(protocol.PacketNumber(4)))
})
It("says if packets are duplicates", func() {
sendTime := time.Now()
sentPackets.EXPECT().GetLowestPacketNotConfirmedAcked().AnyTimes()
// Initial
Expect(handler.IsPotentiallyDuplicate(3, protocol.EncryptionInitial)).To(BeFalse())
Expect(handler.ReceivedPacket(3, protocol.EncryptionInitial, sendTime, true)).To(Succeed())
Expect(handler.IsPotentiallyDuplicate(3, protocol.EncryptionInitial)).To(BeTrue())
// Handshake
Expect(handler.IsPotentiallyDuplicate(3, protocol.EncryptionHandshake)).To(BeFalse())
Expect(handler.ReceivedPacket(3, protocol.EncryptionHandshake, sendTime, true)).To(Succeed())
Expect(handler.IsPotentiallyDuplicate(3, protocol.EncryptionHandshake)).To(BeTrue())
// 0-RTT
Expect(handler.IsPotentiallyDuplicate(3, protocol.Encryption0RTT)).To(BeFalse())
Expect(handler.ReceivedPacket(3, protocol.Encryption0RTT, sendTime, true)).To(Succeed())
Expect(handler.IsPotentiallyDuplicate(3, protocol.Encryption0RTT)).To(BeTrue())
// 1-RTT
Expect(handler.IsPotentiallyDuplicate(3, protocol.Encryption1RTT)).To(BeTrue())
Expect(handler.IsPotentiallyDuplicate(4, protocol.Encryption1RTT)).To(BeFalse())
Expect(handler.ReceivedPacket(4, protocol.Encryption1RTT, sendTime, true)).To(Succeed())
Expect(handler.IsPotentiallyDuplicate(4, protocol.Encryption1RTT)).To(BeTrue())
})
})