Adding logging to quic for tracegraf

net/quic/quic_sent_packet_manager.h

 // Copyright 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_SENT_PACKET_MANAGER_H_
 #define NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 34 matching lines @@
   // interesting points.  Implementations must not mutate the state of
   // the packet manager or connection as a result of these callbacks.
   class NET_EXPORT_PRIVATE DebugDelegate {
    public:
     virtual ~DebugDelegate() {}
 
     // Called when a spurious retransmission is detected.
     virtual void OnSpuriousPacketRetransmition(
         TransmissionType transmission_type,
         QuicByteCount byte_size) {}
+
+    virtual void OnSentPacket(
+        QuicPacketSequenceNumber sequence_number,
+        QuicTime sent_time,
+        QuicByteCount bytes) {}
+
+    virtual void OnRetransmittedPacket(
+        QuicPacketSequenceNumber old_sequence_number,
+        QuicPacketSequenceNumber new_sequence_number,
+        TransmissionType transmission_type,
+        QuicTime time) {}
+
+    virtual void OnIncomingAck(
+        const ReceivedPacketInfo& received_info,
+        QuicTime ack_receive_time,
+        QuicPacketSequenceNumber largest_observed,
+        bool largest_observed_acked,
+        QuicPacketSequenceNumber least_unacked_sent_packet) {}
   };
 
   // Struct to store the pending retransmission information.
   struct PendingRetransmission {
     PendingRetransmission(QuicPacketSequenceNumber sequence_number,
                           TransmissionType transmission_type,
                           const RetransmittableFrames& retransmittable_frames,
                           QuicSequenceNumberLength sequence_number_length)
             : sequence_number(sequence_number),
               transmission_type(transmission_type),
@@ skipping 259 matching lines @@
   // Sets of packets acked and lost as a result of the last congestion event.
   SendAlgorithmInterface::CongestionMap packets_acked_;
   SendAlgorithmInterface::CongestionMap packets_lost_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_