222 lines
11 KiB
C++
222 lines
11 KiB
C++
// Copyright 2013 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_QUIC_QUIC_CONNECTION_LOGGER_H_
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#define NET_QUIC_QUIC_CONNECTION_LOGGER_H_
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#include <stddef.h>
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#include <bitset>
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#include "base/memory/raw_ptr.h"
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#include "net/base/ip_endpoint.h"
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#include "net/base/net_export.h"
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#include "net/base/network_change_notifier.h"
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#include "net/cert/cert_verify_result.h"
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#include "net/log/net_log_with_source.h"
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#include "net/quic/quic_event_logger.h"
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#include "net/socket/socket_performance_watcher.h"
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#include "net/third_party/quiche/src/quiche/quic/core/crypto/crypto_handshake_message.h"
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#include "net/third_party/quiche/src/quiche/quic/core/http/quic_spdy_session.h"
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#include "net/third_party/quiche/src/quiche/quic/core/quic_connection.h"
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#include "net/third_party/quiche/src/quiche/quic/core/quic_packets.h"
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namespace base {
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class HistogramBase;
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}
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namespace net {
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// Handles both NetLog support and UMA histograms for QUIC.
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class NET_EXPORT_PRIVATE QuicConnectionLogger
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: public quic::QuicConnectionDebugVisitor,
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public quic::QuicPacketCreator::DebugDelegate {
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public:
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QuicConnectionLogger(
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quic::QuicSession* session,
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const char* const connection_description,
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std::unique_ptr<SocketPerformanceWatcher> socket_performance_watcher,
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const NetLogWithSource& net_log);
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QuicConnectionLogger(const QuicConnectionLogger&) = delete;
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QuicConnectionLogger& operator=(const QuicConnectionLogger&) = delete;
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~QuicConnectionLogger() override;
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// quic::QuicPacketCreator::DebugDelegateInterface
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void OnFrameAddedToPacket(const quic::QuicFrame& frame) override;
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void OnStreamFrameCoalesced(const quic::QuicStreamFrame& frame) override;
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// quic::QuicConnectionDebugVisitor Interface
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void OnPacketSent(quic::QuicPacketNumber packet_number,
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quic::QuicPacketLength packet_length,
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bool has_crypto_handshake,
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quic::TransmissionType transmission_type,
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quic::EncryptionLevel encryption_level,
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const quic::QuicFrames& retransmittable_frames,
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const quic::QuicFrames& nonretransmittable_frames,
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quic::QuicTime sent_time) override;
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void OnIncomingAck(quic::QuicPacketNumber ack_packet_number,
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quic::EncryptionLevel ack_decrypted_level,
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const quic::QuicAckFrame& frame,
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quic::QuicTime ack_receive_time,
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quic::QuicPacketNumber largest_observed,
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bool rtt_updated,
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quic::QuicPacketNumber least_unacked_sent_packet) override;
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void OnPacketLoss(quic::QuicPacketNumber lost_packet_number,
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quic::EncryptionLevel encryption_level,
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quic::TransmissionType transmission_type,
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quic::QuicTime detection_time) override;
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void OnConfigProcessed(const SendParameters& parameters) override;
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void OnPingSent() override;
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void OnPacketReceived(const quic::QuicSocketAddress& self_address,
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const quic::QuicSocketAddress& peer_address,
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const quic::QuicEncryptedPacket& packet) override;
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void OnUnauthenticatedHeader(const quic::QuicPacketHeader& header) override;
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void OnIncorrectConnectionId(quic::QuicConnectionId connection_id) override;
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void OnUndecryptablePacket(quic::EncryptionLevel decryption_level,
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bool dropped) override;
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void OnAttemptingToProcessUndecryptablePacket(
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quic::EncryptionLevel decryption_level) override;
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void OnDuplicatePacket(quic::QuicPacketNumber packet_number) override;
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void OnProtocolVersionMismatch(quic::ParsedQuicVersion version) override;
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void OnPacketHeader(const quic::QuicPacketHeader& header,
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quic::QuicTime receive_time,
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quic::EncryptionLevel level) override;
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void OnPathChallengeFrame(const quic::QuicPathChallengeFrame& frame) override;
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void OnPathResponseFrame(const quic::QuicPathResponseFrame& frame) override;
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void OnCryptoFrame(const quic::QuicCryptoFrame& frame) override;
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void OnStopSendingFrame(const quic::QuicStopSendingFrame& frame) override;
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void OnStreamsBlockedFrame(
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const quic::QuicStreamsBlockedFrame& frame) override;
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void OnMaxStreamsFrame(const quic::QuicMaxStreamsFrame& frame) override;
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void OnStreamFrame(const quic::QuicStreamFrame& frame) override;
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void OnStopWaitingFrame(const quic::QuicStopWaitingFrame& frame) override;
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void OnRstStreamFrame(const quic::QuicRstStreamFrame& frame) override;
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void OnConnectionCloseFrame(
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const quic::QuicConnectionCloseFrame& frame) override;
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void OnWindowUpdateFrame(const quic::QuicWindowUpdateFrame& frame,
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const quic::QuicTime& receive_time) override;
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void OnBlockedFrame(const quic::QuicBlockedFrame& frame) override;
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void OnGoAwayFrame(const quic::QuicGoAwayFrame& frame) override;
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void OnPingFrame(const quic::QuicPingFrame& frame,
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quic::QuicTime::Delta ping_received_delay) override;
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void OnPaddingFrame(const quic::QuicPaddingFrame& frame) override;
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void OnNewConnectionIdFrame(
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const quic::QuicNewConnectionIdFrame& frame) override;
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void OnNewTokenFrame(const quic::QuicNewTokenFrame& frame) override;
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void OnRetireConnectionIdFrame(
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const quic::QuicRetireConnectionIdFrame& frame) override;
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void OnMessageFrame(const quic::QuicMessageFrame& frame) override;
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void OnHandshakeDoneFrame(const quic::QuicHandshakeDoneFrame& frame) override;
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void OnCoalescedPacketSent(const quic::QuicCoalescedPacket& coalesced_packet,
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size_t length) override;
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void OnPublicResetPacket(const quic::QuicPublicResetPacket& packet) override;
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void OnVersionNegotiationPacket(
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const quic::QuicVersionNegotiationPacket& packet) override;
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void OnConnectionClosed(const quic::QuicConnectionCloseFrame& frame,
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quic::ConnectionCloseSource source) override;
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void OnSuccessfulVersionNegotiation(
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const quic::ParsedQuicVersion& version) override;
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void OnRttChanged(quic::QuicTime::Delta rtt) const override;
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void OnTransportParametersSent(
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const quic::TransportParameters& transport_parameters) override;
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void OnTransportParametersReceived(
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const quic::TransportParameters& transport_parameters) override;
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void OnTransportParametersResumed(
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const quic::TransportParameters& transport_parameters) override;
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void OnCryptoHandshakeMessageReceived(
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const quic::CryptoHandshakeMessage& message);
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void OnCryptoHandshakeMessageSent(
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const quic::CryptoHandshakeMessage& message);
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void UpdateReceivedFrameCounts(quic::QuicStreamId stream_id,
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int num_frames_received,
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int num_duplicate_frames_received);
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void OnCertificateVerified(const CertVerifyResult& result);
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// Returns connection's overall packet loss rate in fraction.
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float ReceivedPacketLossRate() const;
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void OnZeroRttRejected(int reason) override;
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private:
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// Do a factory get for a histogram to record a 6-packet loss-sequence as a
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// sample. The histogram will record the 64 distinct possible combinations.
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// |which_6| is used to adjust the name of the histogram to distinguish the
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// first 6 packets in a connection, vs. some later 6 packets.
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base::HistogramBase* Get6PacketHistogram(const char* which_6) const;
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// For connections longer than 21 received packets, this call will calculate
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// the overall packet loss rate, and record it into a histogram.
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void RecordAggregatePacketLossRate() const;
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raw_ptr<quic::QuicSession> session_; // Unowned.
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// The last packet number received.
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quic::QuicPacketNumber last_received_packet_number_;
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// The size of the most recently received packet.
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size_t last_received_packet_size_ = 0;
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// True if a PING frame has been sent and no packet has been received.
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bool no_packet_received_after_ping_ = false;
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// The size of the previously received packet.
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size_t previous_received_packet_size_ = 0;
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// The first received packet number. Used as the left edge of
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// received_packets_ and received_acks_. In the case where packets are
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// received out of order, packets with numbers smaller than
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// first_received_packet_number_ will not be logged.
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quic::QuicPacketNumber first_received_packet_number_;
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// The largest packet number received. In the case where a packet is
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// received late (out of order), this value will not be updated.
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quic::QuicPacketNumber largest_received_packet_number_;
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// Number of times that the current received packet number is
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// smaller than the last received packet number.
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size_t num_out_of_order_received_packets_ = 0;
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// Number of times that the current received packet number is
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// smaller than the last received packet number and where the
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// size of the current packet is larger than the size of the previous
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// packet.
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size_t num_out_of_order_large_received_packets_ = 0;
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// The number of times that OnPacketHeader was called.
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// If the network replicates packets, then this number may be slightly
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// different from the real number of distinct packets received.
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quic::QuicPacketCount num_packets_received_ = 0;
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// The quic::kCADR value provided by the server in ServerHello.
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IPEndPoint local_address_from_shlo_;
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// The first local address from which a packet was received.
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IPEndPoint local_address_from_self_;
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// Count of the number of frames received.
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int num_frames_received_ = 0;
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// Count of the number of duplicate frames received.
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int num_duplicate_frames_received_ = 0;
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// Count of the number of packets received with incorrect connection IDs.
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int num_incorrect_connection_ids_ = 0;
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// Count of the number of undecryptable packets received.
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int num_undecryptable_packets_ = 0;
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// Count of the number of duplicate packets received.
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int num_duplicate_packets_ = 0;
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// Count of the number of BLOCKED frames received.
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int num_blocked_frames_received_ = 0;
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// Count of the number of BLOCKED frames sent.
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int num_blocked_frames_sent_ = 0;
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// Vector of initial packets status' indexed by packet numbers, where
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// false means never received. We track 150 packets starting from
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// first_received_packet_number_.
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std::bitset<150> received_packets_;
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// Vector to indicate which of the initial 150 received packets turned out to
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// contain solo ACK frames. An element is true iff an ACK frame was in the
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// corresponding packet, and there was very little else.
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std::bitset<150> received_acks_;
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// The available type of connection (WiFi, 3G, etc.) when connection was first
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// used.
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const char* const connection_description_;
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// Receives notifications regarding the performance of the underlying socket
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// for the QUIC connection. May be null.
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const std::unique_ptr<SocketPerformanceWatcher> socket_performance_watcher_;
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QuicEventLogger event_logger_;
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};
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} // namespace net
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#endif // NET_QUIC_QUIC_CONNECTION_LOGGER_H_
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