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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// 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 "net/quic/quic_connection.h"
namespace net {
class BoundNetLog;
// This class is a debug visitor of a QuicConnection which logs
// events to |net_log|.
class NET_EXPORT_PRIVATE QuicConnectionLogger
: public QuicConnectionDebugVisitorInterface {
public:
explicit QuicConnectionLogger(const BoundNetLog& net_log);
virtual ~QuicConnectionLogger();
// QuicPacketGenerator::DebugDelegateInterface
virtual void OnFrameAddedToPacket(const QuicFrame& frame) OVERRIDE;
// QuicConnectionDebugVisitorInterface
virtual void OnPacketSent(QuicPacketSequenceNumber sequence_number,
EncryptionLevel level,
const QuicEncryptedPacket& packet,
int rv) OVERRIDE;
virtual void OnPacketReceived(const IPEndPoint& self_address,
const IPEndPoint& peer_address,
const QuicEncryptedPacket& packet) OVERRIDE;
virtual void OnProtocolVersionMismatch(QuicVersion version) OVERRIDE;
virtual void OnPacketHeader(const QuicPacketHeader& header) OVERRIDE;
virtual void OnStreamFrame(const QuicStreamFrame& frame) OVERRIDE;
virtual void OnAckFrame(const QuicAckFrame& frame) OVERRIDE;
virtual void OnCongestionFeedbackFrame(
const QuicCongestionFeedbackFrame& frame) OVERRIDE;
virtual void OnRstStreamFrame(const QuicRstStreamFrame& frame) OVERRIDE;
virtual void OnConnectionCloseFrame(
const QuicConnectionCloseFrame& frame) OVERRIDE;
virtual void OnPublicResetPacket(
const QuicPublicResetPacket& packet) OVERRIDE;
virtual void OnVersionNegotiationPacket(
const QuicVersionNegotiationPacket& packet) OVERRIDE;
virtual void OnRevivedPacket(const QuicPacketHeader& revived_header,
base::StringPiece payload) OVERRIDE;
private:
BoundNetLog net_log_;
// The last packet sequence number received.
QuicPacketSequenceNumber last_received_packet_sequence_number_;
// The largest packet sequence number received. In case of that a packet is
// received late, this value will not be updated.
QuicPacketSequenceNumber largest_received_packet_sequence_number_;
// The largest packet sequence number which the peer has failed to
// receive, according to the missing packet set in their ack frames.
QuicPacketSequenceNumber largest_received_missing_packet_sequence_number_;
// Number of times that the current received packet sequence number is
// smaller than the last received packet sequence number.
size_t out_of_order_recieved_packet_count_;
DISALLOW_COPY_AND_ASSIGN(QuicConnectionLogger);
};
} // namespace net
#endif // NET_QUIC_QUIC_CONNECTION_LOGGER_H_
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