Add code counts for building version negotiation packets
This'll help us decide for how long we need to keep supporting older version negotiation formats.
PiperOrigin-RevId: 338719125
Change-Id: Ib9002c5879de3f9fa4cb19e7fc71ee8cb5f37367
diff --git a/quic/core/quic_framer.cc b/quic/core/quic_framer.cc
index cfa56c2..bd80cf3 100644
--- a/quic/core/quic_framer.cc
+++ b/quic/core/quic_framer.cc
@@ -1307,6 +1307,15 @@
bool ietf_quic,
bool use_length_prefix,
const ParsedQuicVersionVector& versions) {
+ QUIC_CODE_COUNT(quic_build_version_negotiation);
+ if (use_length_prefix) {
+ DCHECK(ietf_quic);
+ QUIC_CODE_COUNT(quic_build_version_negotiation_ietf);
+ } else if (ietf_quic) {
+ QUIC_CODE_COUNT(quic_build_version_negotiation_old_ietf);
+ } else {
+ QUIC_CODE_COUNT(quic_build_version_negotiation_old_gquic);
+ }
ParsedQuicVersionVector wire_versions = versions;
// Add a version reserved for negotiation as suggested by the
// "Using Reserved Versions" section of draft-ietf-quic-transport.
