Rename QuicDataStream to QuicSpdyStream. No behavior change.

net/quic/quic_data_stream.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.
-//
-// The base class for streams which deliver data to/from an application.
-// In each direction, the data on such a stream first contains compressed
-// headers then body data.
-
-#ifndef NET_QUIC_QUIC_DATA_STREAM_H_
-#define NET_QUIC_QUIC_DATA_STREAM_H_
-
-#include <sys/types.h>
-
-#include <list>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/strings/string_piece.h"
-#include "net/base/iovec.h"
-#include "net/base/ip_endpoint.h"
-#include "net/base/net_export.h"
-#include "net/quic/quic_ack_notifier.h"
-#include "net/quic/quic_protocol.h"
-#include "net/quic/quic_stream_sequencer.h"
-#include "net/quic/reliable_quic_stream.h"
-#include "net/spdy/spdy_framer.h"
-
-namespace net {
-
-namespace test {
-class QuicDataStreamPeer;
-class ReliableQuicStreamPeer;
-}  // namespace test
-
-class QuicSpdySession;
-
-// A QUIC data stream that can also send and receive headers.
-class NET_EXPORT_PRIVATE QuicDataStream : public ReliableQuicStream {
- public:
-  // Visitor receives callbacks from the stream.
-  class NET_EXPORT_PRIVATE Visitor {
-   public:
-    Visitor() {}
-
-    // Called when the stream is closed.
-    virtual void OnClose(QuicDataStream* stream) = 0;
-
-   protected:
-    virtual ~Visitor() {}
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(Visitor);
-  };
-
-  QuicDataStream(QuicStreamId id, QuicSpdySession* spdy_session);
-  ~QuicDataStream() override;
-
-  // ReliableQuicStream implementation
-  void OnClose() override;
-
-  // By default, this is the same as priority(), however it allows streams
-  // to temporarily alter effective priority.   For example if a SPDY stream has
-  // compressed but not written headers it can write the headers with a higher
-  // priority.
-  QuicPriority EffectivePriority() const override;
-
-  // Called by the session when decompressed headers data is received
-  // for this stream.
-  // May be called multiple times, with each call providing additional headers
-  // data until OnStreamHeadersComplete is called.
-  virtual void OnStreamHeaders(base::StringPiece headers_data);
-
-  // Called by the session when headers with a priority have been received
-  // for this stream.  This method will only be called for server streams.
-  virtual void OnStreamHeadersPriority(QuicPriority priority);
-
-  // Called by the session when decompressed headers have been completely
-  // delilvered to this stream.  If |fin| is true, then this stream
-  // should be closed; no more data will be sent by the peer.
-  virtual void OnStreamHeadersComplete(bool fin, size_t frame_len);
-
-  // Writes the headers contained in |header_block| to the dedicated
-  // headers stream.
-  virtual size_t WriteHeaders(const SpdyHeaderBlock& header_block,
-                              bool fin,
-                              QuicAckListenerInterface* ack_notifier_delegate);
-
-  // Marks |bytes_consumed| of the headers data as consumed.
-  void MarkHeadersConsumed(size_t bytes_consumed);
-
-  // This block of functions wraps the sequencer's functions of the same
-  // name.  These methods return uncompressed data until that has
-  // been fully processed.  Then they simply delegate to the sequencer.
-  virtual size_t Readv(const struct iovec* iov, size_t iov_len);
-  virtual int GetReadableRegions(iovec* iov, size_t iov_len) const;
-  void MarkConsumed(size_t num_bytes);
-
-  // Returns true when all data has been read from the peer, including the fin.
-  bool IsDoneReading() const;
-  bool HasBytesToRead() const;
-
-  void set_visitor(Visitor* visitor) { visitor_ = visitor; }
-
-  bool headers_decompressed() const { return headers_decompressed_; }
-
-  const std::string& decompressed_headers() const {
-    return decompressed_headers_;
-  }
-
- protected:
-  // Sets priority_ to priority.  This should only be called before bytes are
-  // written to the server.
-  void set_priority(QuicPriority priority);
-  // This is protected because external classes should use EffectivePriority
-  // instead.
-  QuicPriority priority() const { return priority_; }
-
-  bool FinishedReadingHeaders() const;
-
- private:
-  friend class test::QuicDataStreamPeer;
-  friend class test::ReliableQuicStreamPeer;
-  friend class QuicStreamUtils;
-
-  QuicSpdySession* spdy_session_;
-
-  Visitor* visitor_;
-  // True if the headers have been completely decompressed.
-  bool headers_decompressed_;
-  // The priority of the stream, once parsed.
-  QuicPriority priority_;
-  // Contains a copy of the decompressed headers until they are consumed
-  // via ProcessData or Readv.
-  std::string decompressed_headers_;
-
-  DISALLOW_COPY_AND_ASSIGN(QuicDataStream);
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_QUIC_DATA_STREAM_H_