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// 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_IO_BUFFER_H_
#define NET_SPDY_SPDY_IO_BUFFER_H_
#include "base/memory/ref_counted.h"
#include "net/base/io_buffer.h"
#include "net/base/net_export.h"
namespace net {
class SpdyStream;
// A class for managing SPDY write buffers. These write buffers need
// to track the SpdyStream which they are associated with so that the
// session can activate the stream lazily and also notify the stream
// on completion of the write.
class NET_EXPORT_PRIVATE SpdyIOBuffer {
public:
SpdyIOBuffer();
// Constructor
// |buffer| is the actual data buffer.
// |size| is the size of the data buffer.
// |stream| is a pointer to the stream which is managing this buffer
// (can be NULL if the write is for the session itself).
SpdyIOBuffer(IOBuffer* buffer, int size, SpdyStream* stream);
// Declare this instead of using the default so that we avoid needing to
// include spdy_stream.h.
SpdyIOBuffer(const SpdyIOBuffer& rhs);
~SpdyIOBuffer();
// Declare this instead of using the default so that we avoid needing to
// include spdy_stream.h.
SpdyIOBuffer& operator=(const SpdyIOBuffer& rhs);
void Swap(SpdyIOBuffer* other);
void Release();
// Accessors.
DrainableIOBuffer* buffer() const { return buffer_; }
const scoped_refptr<SpdyStream>& stream() const { return stream_; }
private:
scoped_refptr<DrainableIOBuffer> buffer_;
scoped_refptr<SpdyStream> stream_;
};
} // namespace net
#endif // NET_SPDY_SPDY_IO_BUFFER_H_
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