muxed_zero_copy_if.hpp

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//
// Copyright 2016 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
 
#pragma once
 
#include <uhd/config.hpp>
#include <uhd/transport/zero_copy.hpp>
#include <uhd/utils/noncopyable.hpp>
#include <stdint.h>
#include <functional>
 
namespace uhd { namespace transport {
 
class muxed_zero_copy_if : private uhd::noncopyable
{
public:
    typedef std::shared_ptr<muxed_zero_copy_if> sptr;
 
    typedef std::function<uint32_t(void* buff, size_t size)> stream_classifier_fn;
 
    virtual ~muxed_zero_copy_if() {}
 
    virtual zero_copy_if::sptr make_stream(const uint32_t stream_num) = 0;
 
    virtual void remove_stream(const uint32_t stream_num) = 0;
 
    virtual size_t get_num_dropped_frames() const = 0;
 
    static sptr make(zero_copy_if::sptr base_xport,
        stream_classifier_fn classify_fn,
        size_t max_streams);
};
 
}} // namespace uhd::transport