Introduce QUIC_VERSION_20: allowing endpoints to set different

net/quic/quic_config.h

 // 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_CONFIG_H_
 #define NET_QUIC_QUIC_CONFIG_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 289 matching lines @@
 
   uint32 ReceivedInitialCongestionWindow() const;
 
   // Sets an estimated initial round trip time in us.
   void SetInitialRoundTripTimeUsToSend(size_t rtt_us);
 
   bool HasReceivedInitialRoundTripTimeUs() const;
 
   uint32 ReceivedInitialRoundTripTimeUs() const;
 
-  // Sets an initial flow control window size to transmit to the peer.
+  // TODO(rjshade): Remove all InitialFlowControlWindow methods when removing
+  // QUIC_VERSION_19.
+  // Sets an initial stream flow control window size to transmit to the peer.
   void SetInitialFlowControlWindowToSend(uint32 window_bytes);
 
   uint32 GetInitialFlowControlWindowToSend() const;
 
   bool HasReceivedInitialFlowControlWindowBytes() const;
 
   uint32 ReceivedInitialFlowControlWindowBytes() const;
 
+  // Sets an initial stream flow control window size to transmit to the peer.
+  void SetInitialStreamFlowControlWindowToSend(uint32 window_bytes);
+
+  uint32 GetInitialStreamFlowControlWindowToSend() const;
+
+  bool HasReceivedInitialStreamFlowControlWindowBytes() const;
+
+  uint32 ReceivedInitialStreamFlowControlWindowBytes() const;
+
+  // Sets an initial session flow control window size to transmit to the peer.
+  void SetInitialSessionFlowControlWindowToSend(uint32 window_bytes);
+
+  uint32 GetInitialSessionFlowControlWindowToSend() const;
+
+  bool HasReceivedInitialSessionFlowControlWindowBytes() const;
+
+  uint32 ReceivedInitialSessionFlowControlWindowBytes() const;
+
   bool negotiated();
 
   // SetDefaults sets the members to sensible, default values.
   void SetDefaults();
 
   // Enabled pacing.
   void EnablePacing(bool enable_pacing);
 
   // ToHandshakeMessage serialises the settings in this object as a series of
   // tags /value pairs and adds them to |out|.
@@ skipping 20 matching lines @@
   QuicNegotiableUint32 keepalive_timeout_seconds_;
   // Maximum number of streams that the connection can support.
   QuicNegotiableUint32 max_streams_per_connection_;
   // Maximum time till the session can be alive before crypto handshake is
   // finished. (Not negotiated).
   QuicTime::Delta max_time_before_crypto_handshake_;
   // Initial congestion window in packets.
   QuicFixedUint32 initial_congestion_window_;
   // Initial round trip time estimate in microseconds.
   QuicFixedUint32 initial_round_trip_time_us_;
+
+  // TODO(rjshade): Remove when removing QUIC_VERSION_19.
   // Initial flow control receive window in bytes.
   QuicFixedUint32 initial_flow_control_window_bytes_;
+
+  // Initial stream flow control receive window in bytes.
+  QuicFixedUint32 initial_stream_flow_control_window_bytes_;
+  // Initial session flow control receive window in bytes.
+  QuicFixedUint32 initial_session_flow_control_window_bytes_;
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONFIG_H_