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// Copyright (c) 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.
#ifndef NET_SPDY_SPDY_BUFFER_PRODUCER_H_
#define NET_SPDY_SPDY_BUFFER_PRODUCER_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "net/base/net_export.h"
namespace net {
class SpdyBuffer;
// An object which provides a SpdyBuffer for writing. We pass these
// around instead of SpdyBuffers since some buffers have to be
// generated "just in time".
class NET_EXPORT_PRIVATE SpdyBufferProducer {
public:
SpdyBufferProducer();
// Produces the buffer to be written. Will be called at most once.
virtual scoped_ptr<SpdyBuffer> ProduceBuffer() = 0;
virtual ~SpdyBufferProducer();
private:
DISALLOW_COPY_AND_ASSIGN(SpdyBufferProducer);
};
// A simple wrapper around a single SpdyBuffer.
class NET_EXPORT_PRIVATE SimpleBufferProducer : public SpdyBufferProducer {
public:
explicit SimpleBufferProducer(scoped_ptr<SpdyBuffer> buffer);
~SimpleBufferProducer() override;
scoped_ptr<SpdyBuffer> ProduceBuffer() override;
private:
scoped_ptr<SpdyBuffer> buffer_;
DISALLOW_COPY_AND_ASSIGN(SimpleBufferProducer);
};
} // namespace net
#endif // NET_SPDY_SPDY_BUFFER_PRODUCER_H_
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