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introduce an absolute key phase, use it for key updates

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This commit is contained in:
Marten Seemann
2019-06-29 15:38:21 +07:00
parent 5a9c593463
commit a2a4a216de
3 changed files with 20 additions and 13 deletions
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11
internal/protocol/key_phase.go
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@@ -1,5 +1,12 @@
package protocol
// KeyPhase is the key phase
type KeyPhase uint64
func (p KeyPhase) Bit() KeyPhaseBit {
return p%2 == 1
}
// KeyPhaseBit is the key phase bit
type KeyPhaseBit bool
@@ -16,7 +23,3 @@ func (p KeyPhaseBit) String() string {
}
return "1"
}
func (p KeyPhaseBit) Next() KeyPhaseBit {
return !p
}

10
internal/protocol/key_phase_test.go
View File

@@ -11,8 +11,12 @@ var _ = Describe("Key Phases", func() {
Expect(KeyPhaseOne.String()).To(Equal("1"))
})
It("returns the next key phase", func() {
Expect(KeyPhaseZero.Next()).To(Equal(KeyPhaseOne))
Expect(KeyPhaseOne.Next()).To(Equal(KeyPhaseZero))
It("converts the key phase to the key phase bit", func() {
Expect(KeyPhase(0).Bit()).To(Equal(KeyPhaseZero))
Expect(KeyPhase(2).Bit()).To(Equal(KeyPhaseZero))
Expect(KeyPhase(4).Bit()).To(Equal(KeyPhaseZero))
Expect(KeyPhase(1).Bit()).To(Equal(KeyPhaseOne))
Expect(KeyPhase(3).Bit()).To(Equal(KeyPhaseOne))
Expect(KeyPhase(5).Bit()).To(Equal(KeyPhaseOne))
})
})