If the stream is being closed locally (for example in the case of a

net/quic/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_QUIC_SESSION_H_
 #define NET_QUIC_QUIC_SESSION_H_
 
 #include <vector>
@@ skipping 193 matching lines @@
   size_t get_max_open_streams() const {
     return max_open_streams_;
   }
 
  private:
   friend class test::QuicSessionPeer;
   friend class VisitorShim;
 
   typedef base::hash_map<QuicStreamId, ReliableQuicStream*> ReliableStreamMap;
 
+  // Performs the work required to close |stream_id|.  If |locally_reset|
+  // then the stream has been reset by this endpoint, not by the peer.  This
+  // means the stream may become a zombie stream which needs to stay
+  // around until headers have been decompressed.
+  void CloseStreamInner(QuicStreamId stream_id, bool locally_reset);
+
+  // Adds |stream_id| to the zobmie stream map, closing the oldest
+  // zombie stream if the set is full.
+  void AddZombieStream(QuicStreamId stream_id);
+
+  // Closes the zombie stream |stream_id| and removes it from the zombie
+  // stream map.
+  void CloseZombieStream(QuicStreamId stream_id);
+
+  // Adds |stream_id| to the prematurely closed stream map, removing the
+  // oldest prematurely closed stream if the set is full.
+  void AddPrematurelyClosedStream(QuicStreamId stream_id);
+
   scoped_ptr<QuicConnection> connection_;
 
   // Tracks the last 20 streams which closed without decompressing headers.
   // This is for best-effort detection of an unrecoverable compression context.
   // Ideally this would be a linked_hash_set as the boolean is unused.
   linked_hash_map<QuicStreamId, bool> prematurely_closed_streams_;
 
+  // Streams which have been locally reset before decompressing headers
+  // from the peer.  These streams need to stay open long enough to
+  // process any headers from the peer.
+  // Ideally this would be a linked_hash_set as the boolean is unused.
+  linked_hash_map<QuicStreamId, bool> zombie_streams_;
+
   // A shim to stand between the connection and the session, to handle stream
   // deletions.
   scoped_ptr<VisitorShim> visitor_shim_;
 
   std::vector<ReliableQuicStream*> closed_streams_;
 
   QuicSpdyDecompressor decompressor_;
   QuicSpdyCompressor compressor_;
 
   QuicConfig config_;
@@ skipping 26 matching lines @@
   bool goaway_received_;
   // Whether a GoAway has been sent.
   bool goaway_sent_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSession);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SESSION_H_