Part of QUIC v39 change: 1) do not ack acks. 2) Send a WINDOW_UPDATE frame every 20 packets which d…

net/quic/core/quic_session.h

 // Copyright (c) 2012 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.
 //
 // A QuicSession, which demuxes a single connection to individual streams.
 
 #ifndef NET_QUIC_CORE_QUIC_SESSION_H_
 #define NET_QUIC_CORE_QUIC_SESSION_H_
 
 #include <cstddef>
@@ skipping 82 matching lines @@
                           const std::string& error_details,
                           ConnectionCloseSource source) override;
   void OnWriteBlocked() override;
   void OnSuccessfulVersionNegotiation(const QuicVersion& version) override;
   void OnCanWrite() override;
   void OnCongestionWindowChange(QuicTime /*now*/) override {}
   void OnConnectionMigration(PeerAddressChangeType type) override {}
   // Deletes streams that are safe to be deleted now that it's safe to do so (no
   // other operations are being done on the streams at this time).
   void PostProcessAfterData() override;
+  // Adds a connection level WINDOW_UPDATE frame.
+  void OnAckNeedsRetransmittableFrame() override;
   bool WillingAndAbleToWrite() const override;
   bool HasPendingHandshake() const override;
   bool HasOpenDynamicStreams() const override;
   void OnPathDegrading() override;
 
   // Called on every incoming packet. Passes |packet| through to |connection_|.
   virtual void ProcessUdpPacket(const QuicSocketAddress& self_address,
                                 const QuicSocketAddress& peer_address,
                                 const QuicReceivedPacket& packet);
 
@@ skipping 328 matching lines @@
   // The stream id which was last popped in OnCanWrite, or 0, if not under the
   // call stack of OnCanWrite.
   QuicStreamId currently_writing_stream_id_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSession);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CORE_QUIC_SESSION_H_