use STREAM frames from the buffer for sending data

internal/wire/pool.go

@@ -17,7 +17,7 @@ func init() {
 	}
 }
 
-func getStreamFrame() *StreamFrame {
+func GetStreamFrame() *StreamFrame {
 	f := pool.Get().(*StreamFrame)
 	return f
 }

internal/wire/pool_test.go

@@ -7,12 +7,12 @@ import (
 
 var _ = Describe("Pool", func() {
 	It("gets and puts STREAM frames", func() {
-		f := getStreamFrame()
+		f := GetStreamFrame()
 		putStreamFrame(f)
 	})
 
 	It("panics when putting a STREAM frame with a wrong capacity", func() {
-		f := getStreamFrame()
+		f := GetStreamFrame()
 		f.Data = []byte("foobar")
 		Expect(func() { putStreamFrame(f) }).To(Panic())
 	})

internal/wire/stream_frame.go

@@ -59,7 +59,7 @@ func parseStreamFrame(r *bytes.Reader, version protocol.VersionNumber) (*StreamF
 	if dataLen < protocol.MinStreamFrameBufferSize {
 		frame = &StreamFrame{Data: make([]byte, dataLen)}
 	} else {
-		frame = getStreamFrame()
+		frame = GetStreamFrame()
 		// The STREAM frame can't be larger than the StreamFrame we obtained from the buffer,
 		// since those StreamFrames have a buffer length of the maximum packet size.
 		if dataLen > uint64(cap(frame.Data)) {
@@ -167,7 +167,7 @@ func (f *StreamFrame) MaybeSplitOffFrame(maxSize protocol.ByteCount, version pro
 		return nil, true
 	}
 
-	new := getStreamFrame()
+	new := GetStreamFrame()
 	new.StreamID = f.StreamID
 	new.Offset = f.Offset
 	new.FinBit = false