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use the new packet number format

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This commit is contained in:
Marten Seemann
2018-11-26 17:31:19 +07:00
parent 52380835b9
commit bfb467e9b8
9 changed files with 113 additions and 296 deletions
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21
internal/protocol/packet_number_test.go
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@@ -12,18 +12,12 @@ import (
var _ = Describe("packet number calculation", func() {
Context("infering a packet number", func() {
getEpoch := func(len PacketNumberLen) uint64 {
switch len {
case PacketNumberLen1:
return uint64(1) << 7
case PacketNumberLen2:
return uint64(1) << 14
case PacketNumberLen4:
return uint64(1) << 30
default:
if len > 4 {
Fail("invalid packet number len")
}
return uint64(1) << (len * 8)
}
check := func(length PacketNumberLen, expected, last uint64) {
epoch := getEpoch(length)
epochMask := epoch - 1
@@ -151,8 +145,13 @@ var _ = Describe("packet number calculation", func() {
Expect(length).To(Equal(PacketNumberLen2))
})
It("sends out higher packet numbers as 4 bytes, if a lot of ACKs are missing", func() {
It("sends out higher packet numbers as 3 bytes, if a lot of ACKs are missing", func() {
length := GetPacketNumberLengthForHeader(40000, 2)
Expect(length).To(Equal(PacketNumberLen3))
})
It("sends out higher packet numbers as 4 bytes, if a lot of ACKs are missing", func() {
length := GetPacketNumberLengthForHeader(40000000, 2)
Expect(length).To(Equal(PacketNumberLen4))
})
})
@@ -225,6 +224,10 @@ var _ = Describe("packet number calculation", func() {
Expect(GetPacketNumberLength(0xFFFF)).To(Equal(PacketNumberLen2))
})
It("3 byte", func() {
Expect(GetPacketNumberLength(0xFFFFFF)).To(Equal(PacketNumberLen3))
})
It("4 byte", func() {
Expect(GetPacketNumberLength(0xFFFFFFFF)).To(Equal(PacketNumberLen4))
})