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also use the onHasStreamData callback for the crypto stream

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This commit is contained in:
Marten Seemann 2017-12-22 10:57:01 +07:00
parent 5cd5d5dae9
commit d330fda94c
9 changed files with 291 additions and 341 deletions
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24
stream_framer.go
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@ -14,9 +14,10 @@ type streamFramer struct {
retransmissionQueue []*wire.StreamFrame
streamQueueMutex sync.Mutex
activeStreams map[protocol.StreamID]struct{}
streamQueue []protocol.StreamID
streamQueueMutex sync.Mutex
activeStreams map[protocol.StreamID]struct{}
streamQueue []protocol.StreamID
hasCryptoStreamData bool
}
func newStreamFramer(
@ -38,6 +39,9 @@ func (f *streamFramer) AddFrameForRetransmission(frame *wire.StreamFrame) {
func (f *streamFramer) AddActiveStream(id protocol.StreamID) {
if id == f.version.CryptoStreamID() { // the crypto stream is handled separately
f.streamQueueMutex.Lock()
f.hasCryptoStreamData = true
f.streamQueueMutex.Unlock()
return
}
f.streamQueueMutex.Lock()
@ -57,14 +61,18 @@ func (f *streamFramer) HasFramesForRetransmission() bool {
return len(f.retransmissionQueue) > 0
}
// TODO: don't need to ask the crypto stream here, just record this information in AddActiveStream
func (f *streamFramer) HasCryptoStreamFrame() bool {
return f.cryptoStream.hasDataForWriting()
func (f *streamFramer) HasCryptoStreamData() bool {
f.streamQueueMutex.Lock()
hasCryptoStreamData := f.hasCryptoStreamData
f.streamQueueMutex.Unlock()
return hasCryptoStreamData
}
// TODO(lclemente): This is somewhat duplicate with the normal path for generating frames.
func (f *streamFramer) PopCryptoStreamFrame(maxLen protocol.ByteCount) *wire.StreamFrame {
frame, _ := f.cryptoStream.popStreamFrame(maxLen)
f.streamQueueMutex.Lock()
frame, hasMoreData := f.cryptoStream.popStreamFrame(maxLen)
f.hasCryptoStreamData = hasMoreData
f.streamQueueMutex.Unlock()
return frame
}