gr1ffon/quic-go
1
0
Fork 0
forked from quic-go/quic-go
Code Pull Requests Activity

cache last StopWaiting in StopWaitingManager and return it if forced

Browse Source 
ref #259
This commit is contained in:
Marten Seemann
2016-08-18 12:40:27 +07:00
parent 3bf525ed16
commit 7d05ebf0bb
3 changed files with 25 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
ackhandler/stop_waiting_manager_test.go
View File

@@ -13,35 +13,43 @@ var _ = Describe("StopWaitingManager", func() {
})
It("returns nil in the beginning", func() {
Expect(manager.GetStopWaitingFrame()).To(BeNil())
Expect(manager.GetStopWaitingFrame(false)).To(BeNil())
Expect(manager.GetStopWaitingFrame(true)).To(BeNil())
})
It("returns a StopWaitingFrame, when a new ACK arrives", func() {
manager.ReceivedAck(&frames.AckFrame{LargestAcked: 10})
Expect(manager.GetStopWaitingFrame()).To(Equal(&frames.StopWaitingFrame{LeastUnacked: 11}))
Expect(manager.GetStopWaitingFrame(false)).To(Equal(&frames.StopWaitingFrame{LeastUnacked: 11}))
})
It("does not decrease the LeastUnacked", func() {
manager.ReceivedAck(&frames.AckFrame{LargestAcked: 10})
manager.ReceivedAck(&frames.AckFrame{LargestAcked: 9})
Expect(manager.GetStopWaitingFrame()).To(Equal(&frames.StopWaitingFrame{LeastUnacked: 11}))
Expect(manager.GetStopWaitingFrame(false)).To(Equal(&frames.StopWaitingFrame{LeastUnacked: 11}))
})
It("does not send the same StopWaitingFrame twice", func() {
manager.ReceivedAck(&frames.AckFrame{LargestAcked: 10})
Expect(manager.GetStopWaitingFrame()).ToNot(BeNil())
Expect(manager.GetStopWaitingFrame()).To(BeNil())
Expect(manager.GetStopWaitingFrame(false)).ToNot(BeNil())
Expect(manager.GetStopWaitingFrame(false)).To(BeNil())
})
It("gets the same StopWaitingFrame twice, if forced", func() {
manager.ReceivedAck(&frames.AckFrame{LargestAcked: 10})
Expect(manager.GetStopWaitingFrame(false)).ToNot(BeNil())
Expect(manager.GetStopWaitingFrame(true)).ToNot(BeNil())
Expect(manager.GetStopWaitingFrame(true)).ToNot(BeNil())
})
It("increases the LeastUnacked when a retransmission is queued", func() {
manager.ReceivedAck(&frames.AckFrame{LargestAcked: 10})
manager.QueuedRetransmissionForPacketNumber(20)
Expect(manager.GetStopWaitingFrame()).To(Equal(&frames.StopWaitingFrame{LeastUnacked: 21}))
Expect(manager.GetStopWaitingFrame(false)).To(Equal(&frames.StopWaitingFrame{LeastUnacked: 21}))
})
It("does not decrease the LeastUnacked when a retransmission is queued", func() {
manager.ReceivedAck(&frames.AckFrame{LargestAcked: 10})
manager.QueuedRetransmissionForPacketNumber(9)
Expect(manager.GetStopWaitingFrame()).To(Equal(&frames.StopWaitingFrame{LeastUnacked: 11}))
Expect(manager.GetStopWaitingFrame(false)).To(Equal(&frames.StopWaitingFrame{LeastUnacked: 11}))
})
})