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refactor packet unpacking

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This replaces version.UsesMaxDataFrame by versoin.UsesIETFFrameFormat.
That way, we can have two separate code paths in the unpacker to unpack
either gQUIC frames or IETF frames.
This commit is contained in:
Marten Seemann
2017-11-17 07:42:55 -08:00
parent 0ac728f96e
commit 759b0d87b1
15 changed files with 429 additions and 347 deletions
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4
internal/wire/max_data_frame.go
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@@ -30,7 +30,7 @@ func ParseMaxDataFrame(r *bytes.Reader, version protocol.VersionNumber) (*MaxDat
//Write writes a MAX_STREAM_DATA frame
func (f *MaxDataFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error {
if !version.UsesMaxDataFrame() {
if !version.UsesIETFFrameFormat() {
// write a gQUIC WINDOW_UPDATE frame (with stream ID 0, which means connection-level there)
return (&windowUpdateFrame{
StreamID: 0,
@@ -44,7 +44,7 @@ func (f *MaxDataFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) er
// MinLength of a written frame
func (f *MaxDataFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error) {
if !version.UsesMaxDataFrame() { // writing this frame would result in a gQUIC WINDOW_UPDATE being written, which is longer
if !version.UsesIETFFrameFormat() { // writing this frame would result in a gQUIC WINDOW_UPDATE being written, which is longer
return 1 + 4 + 8, nil
}
return 1 + 8, nil