Land Recent QUIC Changes.

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 <map>
 #include <set>
 #include <utility>
@@ skipping 34 matching lines @@
   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,
+        const SerializedPacket& packet,
+        QuicPacketSequenceNumber original_sequence_number,
         QuicTime sent_time,
         QuicByteCount bytes,
         TransmissionType transmission_type) {}
 
-    virtual void OnRetransmittedPacket(
-        QuicPacketSequenceNumber old_sequence_number,
-        QuicPacketSequenceNumber new_sequence_number,
-        TransmissionType transmission_type,
-        QuicTime time) {}
-
     virtual void OnIncomingAck(
         const QuicAckFrame& ack_frame,
         QuicTime ack_receive_time,
         QuicPacketSequenceNumber largest_observed,
         bool largest_observed_acked,
         QuicPacketSequenceNumber least_unacked_sent_packet) {}
-
-    virtual void OnSerializedPacket(
-        const SerializedPacket& packet) {}
   };
 
   // Interface which gets callbacks from the QuicSentPacketManager when
   // network-related state changes. Implementations must not mutate the
   // state of the packet manager as a result of these callbacks.
   class NET_EXPORT_PRIVATE NetworkChangeVisitor {
    public:
     virtual ~NetworkChangeVisitor() {}
 
     // Called when congestion window may have changed.
@@ skipping 165 matching lines @@
     // Retransmission of handshake packets prior to handshake completion.
     HANDSHAKE_MODE,
     // Re-invoke the loss detection when a packet is not acked before the
     // loss detection algorithm expects.
     LOSS_MODE,
   };
 
   typedef linked_hash_map<QuicPacketSequenceNumber,
                           TransmissionType> PendingRetransmissionMap;
 
-  // Called when a new packet is serialized.  If the packet contains
-  // retransmittable data, it will be added to the unacked packet map.
-  void OnSerializedPacket(const SerializedPacket& serialized_packet);
-
   // Called when a packet is retransmitted with a new sequence number.
   // Replaces the old entry in the unacked packet map with the new
   // sequence number.
   void OnRetransmittedPacket(QuicPacketSequenceNumber old_sequence_number,
                              QuicPacketSequenceNumber new_sequence_number);
 
   // Updates the least_packet_awaited_by_peer.
   void UpdatePacketInformationReceivedByPeer(const QuicAckFrame& ack_frame);
 
   // Process the incoming ack looking for newly ack'd data packets.
@@ skipping 50 matching lines @@
   // retransmissions.  Does not add it to the retransmissions if it's already
   // a pending retransmission.
   void MarkForRetransmission(QuicPacketSequenceNumber sequence_number,
                              TransmissionType transmission_type);
 
   // Notify observers about spurious retransmits.
   void RecordSpuriousRetransmissions(
       const SequenceNumberList& all_transmissions,
       QuicPacketSequenceNumber acked_sequence_number);
 
+  // Returns true if the client is sending or the server has received a
+  // connection option.
+  bool HasClientSentConnectionOption(const QuicConfig& config,
+                                     QuicTag tag) const;
+
   // Newly serialized retransmittable and fec packets are added to this map,
   // which contains owning pointers to any contained frames.  If a packet is
   // retransmitted, this map will contain entries for both the old and the new
   // packet. The old packet's retransmittable frames entry will be NULL, while
   // the new packet's entry will contain the frames to retransmit.
   // If the old packet is acked before the new packet, then the old entry will
   // be removed from the map and the new entry's retransmittable frames will be
   // set to NULL.
   QuicUnackedPacketMap unacked_packets_;
 
@@ skipping 47 matching lines @@
   // Records bandwidth from server to client in normal operation, over periods
   // of time with no loss events.
   QuicSustainedBandwidthRecorder sustained_bandwidth_recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSentPacketManager);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SENT_PACKET_MANAGER_H_