Add QuicFramer::PotentialPeerKeyUpdateAttemptCount() method.
Returns the count of packets received that appeared to attempt a key
update but failed decryption which have been received since the last
successfully decrypted packet.
PiperOrigin-RevId: 338710571
Change-Id: Iaae901269d6bffaf441a31a4a51540aa94c84b73
diff --git a/quic/core/quic_framer.h b/quic/core/quic_framer.h
index 5d9bf46..86c8882 100644
--- a/quic/core/quic_framer.h
+++ b/quic/core/quic_framer.h
@@ -547,6 +547,10 @@
void DiscardPreviousOneRttKeys();
// Update the key phase.
bool DoKeyUpdate(KeyUpdateReason reason);
+ // Returns the count of packets received that appeared to attempt a key
+ // update but failed decryption which have been received since the last
+ // successfully decrypted packet.
+ QuicPacketCount PotentialPeerKeyUpdateAttemptCount() const;
const QuicDecrypter* GetDecrypter(EncryptionLevel level) const;
const QuicDecrypter* decrypter() const;
@@ -1104,6 +1108,10 @@
// locally initiated key update but before the first packet from the peer in
// the new key phase is received.
QuicPacketNumber current_key_phase_first_received_packet_number_;
+ // Counts the number of packets received that might have been failed key
+ // update attempts. Reset to zero every time a packet is successfully
+ // decrypted.
+ QuicPacketCount potential_peer_key_update_attempt_count_;
// Decrypter for the previous key phase. Will be null if in the first key
// phase or previous keys have been discarded.
std::unique_ptr<QuicDecrypter> previous_decrypter_;
