HTTP2 draft 14 support

net/spdy/spdy_framer.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.
 
 #ifndef NET_SPDY_SPDY_FRAMER_H_
 #define NET_SPDY_SPDY_FRAMER_H_
 
 #include <list>
 #include <map>
 #include <memory>
@@ skipping 271 matching lines @@
                         uint32 max_age,
                         uint16 port,
                         base::StringPiece protocol_id,
                         base::StringPiece host,
                         base::StringPiece origin) {}
 
   // Called when a PRIORITY frame is received.
   virtual void OnPriority(SpdyStreamId stream_id,
                           SpdyStreamId parent_stream_id,
                           uint8 weight,
-                          bool exclusive) {};
+                          bool exclusive) {}
+
+  // Called when a frame type we don't recognize is received.
+  // Return true if this appears to be a valid extension frame, false otherwise.
+  // We distinguish between extension frames and nonsense by checking
+  // whether the stream id is valid.
+  virtual bool OnUnknownFrame(SpdyStreamId stream_id, int frame_type) = 0;
 };
 
 // Optionally, and in addition to SpdyFramerVisitorInterface, a class supporting
 // SpdyFramerDebugVisitorInterface may be used in conjunction with SpdyFramer in
 // order to extract debug/internal information about the SpdyFramer as it
 // operates.
 //
 // Most SPDY implementations need not bother with this interface at all.
 class NET_EXPORT_PRIVATE SpdyFramerDebugVisitorInterface {
  public:
@@ skipping 507 matching lines @@
   // If a HEADERS frame is followed by a CONTINUATION frame, the FIN/END_STREAM
   // flag is still carried in the HEADERS frame. If it's set, flip this so that
   // we know to terminate the stream when the entire header block has been
   // processed.
   bool end_stream_when_done_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_FRAMER_H_