Internal change
PiperOrigin-RevId: 429378785
diff --git a/quic/core/quic_connection.cc b/quic/core/quic_connection.cc
index 83453ef..77c0609 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -3441,6 +3441,9 @@
switch (fate) {
case DISCARD:
++stats_.packets_discarded;
+ if (debug_visitor_ != nullptr) {
+ debug_visitor_->OnPacketDiscarded(*packet);
+ }
return true;
case COALESCE:
QUIC_BUG_IF(quic_bug_12714_24,
diff --git a/quic/core/quic_connection.h b/quic/core/quic_connection.h
index 954eb6a..ba71d31 100644
--- a/quic/core/quic_connection.h
+++ b/quic/core/quic_connection.h
@@ -411,6 +411,9 @@
virtual void OnNPacketNumbersSkipped(QuicPacketCount /*count*/,
QuicTime /*now*/) {}
+ // Called when a packet is serialized but discarded (i.e. not sent).
+ virtual void OnPacketDiscarded(const SerializedPacket& /*packet*/) {}
+
// Called for QUIC+TLS versions when we send transport parameters.
virtual void OnTransportParametersSent(
const TransportParameters& /*transport_parameters*/) {}