| OLD | NEW |
| (Empty) |
| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef NET_SPDY_SPDY_PINNABLE_BUFFER_PIECE_H_ | |
| 6 #define NET_SPDY_SPDY_PINNABLE_BUFFER_PIECE_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 #include "base/strings/string_piece.h" | |
| 12 #include "net/base/net_export.h" | |
| 13 | |
| 14 namespace net { | |
| 15 | |
| 16 class SpdyPrefixedBufferReader; | |
| 17 | |
| 18 // Helper class of SpdyPrefixedBufferReader. | |
| 19 // Represents a piece of consumed buffer which may (or may not) own its | |
| 20 // underlying storage. Users may "pin" the buffer at a later time to ensure | |
| 21 // a SpdyPinnableBufferPiece owns and retains storage of the buffer. | |
| 22 struct NET_EXPORT_PRIVATE SpdyPinnableBufferPiece { | |
| 23 public: | |
| 24 SpdyPinnableBufferPiece(); | |
| 25 ~SpdyPinnableBufferPiece(); | |
| 26 | |
| 27 const char * buffer() const { | |
| 28 return buffer_; | |
| 29 } | |
| 30 | |
| 31 size_t length() const { | |
| 32 return length_; | |
| 33 } | |
| 34 | |
| 35 operator base::StringPiece() const { | |
| 36 return base::StringPiece(buffer_, length_); | |
| 37 } | |
| 38 | |
| 39 // Allocates and copies the buffer to internal storage. | |
| 40 void Pin(); | |
| 41 | |
| 42 bool IsPinned() const { | |
| 43 return storage_.get() != NULL; | |
| 44 } | |
| 45 | |
| 46 // Swaps buffers, including internal storage, with |other|. | |
| 47 void Swap(SpdyPinnableBufferPiece* other); | |
| 48 | |
| 49 private: | |
| 50 friend class SpdyPrefixedBufferReader; | |
| 51 | |
| 52 const char * buffer_; | |
| 53 size_t length_; | |
| 54 // Null iff |buffer_| isn't pinned. | |
| 55 scoped_ptr<char[]> storage_; | |
| 56 }; | |
| 57 | |
| 58 } // namespace net | |
| 59 | |
| 60 #endif // NET_SPDY_SPDY_PINNABLE_BUFFER_PIECE_H_ | |
| OLD | NEW |