// Copyright 2013 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef NET_QUIC_QUIC_CONNECTION_LOGGER_H_ #define NET_QUIC_QUIC_CONNECTION_LOGGER_H_ #include #include #include "base/memory/raw_ptr.h" #include "net/base/ip_endpoint.h" #include "net/base/net_export.h" #include "net/base/network_change_notifier.h" #include "net/cert/cert_verify_result.h" #include "net/log/net_log_with_source.h" #include "net/quic/quic_event_logger.h" #include "net/socket/socket_performance_watcher.h" #include "net/third_party/quiche/src/quiche/quic/core/crypto/crypto_handshake_message.h" #include "net/third_party/quiche/src/quiche/quic/core/http/quic_spdy_session.h" #include "net/third_party/quiche/src/quiche/quic/core/quic_connection.h" #include "net/third_party/quiche/src/quiche/quic/core/quic_packets.h" namespace net { // Handles both NetLog support and UMA histograms for QUIC. class NET_EXPORT_PRIVATE QuicConnectionLogger : public quic::QuicConnectionDebugVisitor, public quic::QuicPacketCreator::DebugDelegate { public: QuicConnectionLogger( quic::QuicSession* session, const char* const connection_description, std::unique_ptr socket_performance_watcher, const NetLogWithSource& net_log); QuicConnectionLogger(const QuicConnectionLogger&) = delete; QuicConnectionLogger& operator=(const QuicConnectionLogger&) = delete; ~QuicConnectionLogger() override; // quic::QuicPacketCreator::DebugDelegateInterface void OnFrameAddedToPacket(const quic::QuicFrame& frame) override; void OnStreamFrameCoalesced(const quic::QuicStreamFrame& frame) override; // quic::QuicConnectionDebugVisitor Interface void OnPacketSent(quic::QuicPacketNumber packet_number, quic::QuicPacketLength packet_length, bool has_crypto_handshake, quic::TransmissionType transmission_type, quic::EncryptionLevel encryption_level, const quic::QuicFrames& retransmittable_frames, const quic::QuicFrames& nonretransmittable_frames, quic::QuicTime sent_time, uint32_t batch_id) override; void OnIncomingAck(quic::QuicPacketNumber ack_packet_number, quic::EncryptionLevel ack_decrypted_level, const quic::QuicAckFrame& frame, quic::QuicTime ack_receive_time, quic::QuicPacketNumber largest_observed, bool rtt_updated, quic::QuicPacketNumber least_unacked_sent_packet) override; void OnPacketLoss(quic::QuicPacketNumber lost_packet_number, quic::EncryptionLevel encryption_level, quic::TransmissionType transmission_type, quic::QuicTime detection_time) override; void OnConfigProcessed(const SendParameters& parameters) override; void OnPingSent() override; void OnPacketReceived(const quic::QuicSocketAddress& self_address, const quic::QuicSocketAddress& peer_address, const quic::QuicEncryptedPacket& packet) override; void OnUnauthenticatedHeader(const quic::QuicPacketHeader& header) override; void OnIncorrectConnectionId(quic::QuicConnectionId connection_id) override; void OnUndecryptablePacket(quic::EncryptionLevel decryption_level, bool dropped) override; void OnAttemptingToProcessUndecryptablePacket( quic::EncryptionLevel decryption_level) override; void OnDuplicatePacket(quic::QuicPacketNumber packet_number) override; void OnProtocolVersionMismatch(quic::ParsedQuicVersion version) override; void OnPacketHeader(const quic::QuicPacketHeader& header, quic::QuicTime receive_time, quic::EncryptionLevel level) override; void OnPathChallengeFrame(const quic::QuicPathChallengeFrame& frame) override; void OnPathResponseFrame(const quic::QuicPathResponseFrame& frame) override; void OnCryptoFrame(const quic::QuicCryptoFrame& frame) override; void OnStopSendingFrame(const quic::QuicStopSendingFrame& frame) override; void OnStreamsBlockedFrame( const quic::QuicStreamsBlockedFrame& frame) override; void OnMaxStreamsFrame(const quic::QuicMaxStreamsFrame& frame) override; void OnStreamFrame(const quic::QuicStreamFrame& frame) override; void OnRstStreamFrame(const quic::QuicRstStreamFrame& frame) override; void OnConnectionCloseFrame( const quic::QuicConnectionCloseFrame& frame) override; void OnWindowUpdateFrame(const quic::QuicWindowUpdateFrame& frame, const quic::QuicTime& receive_time) override; void OnBlockedFrame(const quic::QuicBlockedFrame& frame) override; void OnGoAwayFrame(const quic::QuicGoAwayFrame& frame) override; void OnPingFrame(const quic::QuicPingFrame& frame, quic::QuicTime::Delta ping_received_delay) override; void OnPaddingFrame(const quic::QuicPaddingFrame& frame) override; void OnNewConnectionIdFrame( const quic::QuicNewConnectionIdFrame& frame) override; void OnNewTokenFrame(const quic::QuicNewTokenFrame& frame) override; void OnRetireConnectionIdFrame( const quic::QuicRetireConnectionIdFrame& frame) override; void OnMessageFrame(const quic::QuicMessageFrame& frame) override; void OnHandshakeDoneFrame(const quic::QuicHandshakeDoneFrame& frame) override; void OnCoalescedPacketSent(const quic::QuicCoalescedPacket& coalesced_packet, size_t length) override; void OnVersionNegotiationPacket( const quic::QuicVersionNegotiationPacket& packet) override; void OnConnectionClosed(const quic::QuicConnectionCloseFrame& frame, quic::ConnectionCloseSource source) override; void OnSuccessfulVersionNegotiation( const quic::ParsedQuicVersion& version) override; void OnRttChanged(quic::QuicTime::Delta rtt) const override; void OnTransportParametersSent( const quic::TransportParameters& transport_parameters) override; void OnTransportParametersReceived( const quic::TransportParameters& transport_parameters) override; void OnTransportParametersResumed( const quic::TransportParameters& transport_parameters) override; void OnZeroRttRejected(int reason) override; void OnEncryptedClientHelloSent(std::string_view client_hello) override; void OnCryptoHandshakeMessageReceived( const quic::CryptoHandshakeMessage& message); void OnCryptoHandshakeMessageSent( const quic::CryptoHandshakeMessage& message); void UpdateReceivedFrameCounts(quic::QuicStreamId stream_id, int num_frames_received, int num_duplicate_frames_received); void OnCertificateVerified(const CertVerifyResult& result); // Returns connection's overall packet loss rate in fraction. float ReceivedPacketLossRate() const; private: // For connections longer than 21 received packets, this call will calculate // the overall packet loss rate, and record it into a histogram. void RecordAggregatePacketLossRate() const; raw_ptr session_; // Unowned. // The last packet number received. quic::QuicPacketNumber last_received_packet_number_; // The size of the most recently received packet. size_t last_received_packet_size_ = 0; // True if a PING frame has been sent and no packet has been received. bool no_packet_received_after_ping_ = false; // The size of the previously received packet. size_t previous_received_packet_size_ = 0; // The first received packet number. Used as the left edge of // received_packets_ and received_acks_. In the case where packets are // received out of order, packets with numbers smaller than // first_received_packet_number_ will not be logged. quic::QuicPacketNumber first_received_packet_number_; // The largest packet number received. In the case where a packet is // received late (out of order), this value will not be updated. quic::QuicPacketNumber largest_received_packet_number_; // Number of times that the current received packet number is // smaller than the last received packet number. size_t num_out_of_order_received_packets_ = 0; // Number of times that the current received packet number is // smaller than the last received packet number and where the // size of the current packet is larger than the size of the previous // packet. size_t num_out_of_order_large_received_packets_ = 0; // The number of times that OnPacketHeader was called. // If the network replicates packets, then this number may be slightly // different from the real number of distinct packets received. quic::QuicPacketCount num_packets_received_ = 0; // The quic::kCADR value provided by the server in ServerHello. IPEndPoint local_address_from_shlo_; // The first local address from which a packet was received. IPEndPoint local_address_from_self_; // Count of the number of frames received. int num_frames_received_ = 0; // Count of the number of duplicate frames received. int num_duplicate_frames_received_ = 0; // Count of the number of packets received with incorrect connection IDs. int num_incorrect_connection_ids_ = 0; // Count of the number of undecryptable packets received. int num_undecryptable_packets_ = 0; // Count of the number of duplicate packets received. int num_duplicate_packets_ = 0; // Count of the number of BLOCKED frames received. int num_blocked_frames_received_ = 0; // Count of the number of BLOCKED frames sent. int num_blocked_frames_sent_ = 0; // Vector of initial packets status' indexed by packet numbers, where // false means never received. We track 150 packets starting from // first_received_packet_number_. std::bitset<150> received_packets_; // Vector to indicate which of the initial 150 received packets turned out to // contain solo ACK frames. An element is true iff an ACK frame was in the // corresponding packet, and there was very little else. std::bitset<150> received_acks_; // The available type of connection (WiFi, 3G, etc.) when connection was first // used. const char* const connection_description_; // Receives notifications regarding the performance of the underlying socket // for the QUIC connection. May be null. const std::unique_ptr socket_performance_watcher_; QuicEventLogger event_logger_; }; } // namespace net #endif // NET_QUIC_QUIC_CONNECTION_LOGGER_H_