chromium/mojo/public/cpp/system/data_pipe_producer.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MOJO_PUBLIC_CPP_SYSTEM_DATA_PIPE_PRODUCER_H_
#define MOJO_PUBLIC_CPP_SYSTEM_DATA_PIPE_PRODUCER_H_

#include <memory>

#include "base/containers/span.h"
#include "base/functional/callback_forward.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "mojo/public/cpp/system/data_pipe.h"
#include "mojo/public/cpp/system/system_export.h"

namespace mojo {

// Helper class which takes ownership of a ScopedDataPipeProducerHandle and
// assumes responsibility for feeding it the contents of a DataSource. This
// takes care of waiting for pipe capacity as needed, and can notify callers
// asynchronously when the operation is complete.
//
// Note that the DataPipeProducer must be kept alive until notified of
// completion to ensure that all of the intended contents are written to the
// pipe. Premature destruction may result in partial or total truncation of data
// made available to the consumer.
class MOJO_CPP_SYSTEM_EXPORT DataPipeProducer { … };

}  // namespace mojo

#endif  // MOJO_PUBLIC_CPP_SYSTEM_DATA_PIPE_PRODUCER_H_