commit 3ac15c11b16da2fdabaa17dd68cf5a231c113a6d
author fayang <fayang@google.com> Fri Jun 14 14:04:51 2019 -0700
committer Copybara-Service <copybara-worker@google.com> Fri Jun 14 14:57:54 2019 -0700
tree 5cac5661898db736fc0fa6a510a51c6986bf105b
parent 1b2f7836bbb2f99adf94953ea368759f910ea71d

gfe-relnote: In QUIC v47+, use variable packet number length in long header packet. Protected by DISABLED gfe2_reloadable_flag_quic_enable_version_47.

PiperOrigin-RevId: 253292288
Change-Id: Ife584a4c416dba0d63462b9a9e7f925917af6378

quic/core/quic_packet_creator.cc

diff --git a/quic/core/quic_packet_creator.cc b/quic/core/quic_packet_creator.cc
index 7ba82e3..eb0596f 100644
--- a/quic/core/quic_packet_creator.cc
+++ b/quic/core/quic_packet_creator.cc
@@ -832,7 +832,8 @@
 }
 
 QuicPacketNumberLength QuicPacketCreator::GetPacketNumberLength() const {
-  if (HasIetfLongHeader() && framer_->transport_version() != QUIC_VERSION_99) {
+  if (HasIetfLongHeader() &&
+      !framer_->version().SendsVariableLengthPacketNumberInLongHeader()) {
     return PACKET_4BYTE_PACKET_NUMBER;
   }
   return packet_.packet_number_length;