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queue lost STREAM frames in the stream's retransmission queue

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This commit is contained in:
Marten Seemann 2019-08-29 19:09:05 +07:00
parent 3525a51ada
commit f49451ce3c
6 changed files with 178 additions and 137 deletions
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38
retransmission_queue_test.go
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@ -1,8 +1,6 @@
package quic
import (
"math/rand"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/wire"
@ -118,41 +116,5 @@ var _ = Describe("Retransmission queue", func() {
Expect(q.GetAppDataFrame(f.Length(version) - 1)).To(BeNil())
Expect(q.GetAppDataFrame(f.Length(version))).To(Equal(f))
})
It("queues and retrieves a STREAM frame", func() {
f := &wire.StreamFrame{Data: []byte("foobar")}
q.AddAppData(f)
Expect(q.GetAppDataFrame(f.Length(version) - 1)).To(BeNil())
Expect(q.GetAppDataFrame(f.Length(version))).To(Equal(f))
})
It("splits STREAM frames larger than MinStreamFrameSize", func() {
data := make([]byte, 1000)
rand.Read(data)
f := &wire.StreamFrame{
Data: data,
FinBit: true,
}
q.AddAppData(f)
Expect(q.GetAppDataFrame(protocol.MinStreamFrameSize - 1)).To(BeNil())
f1 := q.GetAppDataFrame(protocol.MinStreamFrameSize).(*wire.StreamFrame)
Expect(f1).ToNot(BeNil())
Expect(f1.Length(version)).To(Equal(protocol.MinStreamFrameSize))
Expect(f1.FinBit).To(BeFalse())
Expect(f1.Data).To(Equal(data[:f1.DataLen()]))
f2 := q.GetAppDataFrame(protocol.MaxByteCount).(*wire.StreamFrame)
Expect(f2).ToNot(BeNil())
Expect(f2.FinBit).To(BeTrue())
Expect(f1.DataLen() + f2.DataLen()).To(BeEquivalentTo(1000))
Expect(f2.Data).To(Equal(data[f1.DataLen():]))
Expect(q.GetAppDataFrame(protocol.MaxByteCount)).To(BeNil())
})
It("returns a control frame if it doesn't split a STREAM frame", func() {
cf := &wire.MaxDataFrame{ByteOffset: 0x42}
q.AddAppData(&wire.StreamFrame{Data: make([]byte, 1000)})
q.AddAppData(cf)
Expect(q.GetAppDataFrame(protocol.MinStreamFrameSize - 1)).To(Equal(cf))
})
})
})