net/spdy/spdy_pinnable_buffer_piece.cc

   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 #include "net/spdy/spdy_pinnable_buffer_piece.h"
   6
   7 namespace net {
   8
   9 SpdyPinnableBufferPiece::SpdyPinnableBufferPiece()
  10     : buffer_(0), length_(0) {}
  11
  12 SpdyPinnableBufferPiece::~SpdyPinnableBufferPiece() {}
  13
  14 void SpdyPinnableBufferPiece::Pin() {
  15   if (!storage_ && buffer_ != NULL && length_ != 0) {
  16     storage_.reset(new char[length_]);
  17     std::copy(buffer_, buffer_ + length_, storage_.get());
  18     buffer_ = storage_.get();
  19   }
  20 }
  21
  22 void SpdyPinnableBufferPiece::Swap(SpdyPinnableBufferPiece* other) {
  23   size_t length = length_;
  24   length_ = other->length_;
  25   other->length_ = length;
  26
  27   const char* buffer = buffer_;
  28   buffer_ = other->buffer_;
  29   other->buffer_ = buffer;
  30
  31   storage_.swap(other->storage_);
  32 }
  33
  34 }  // namespace net