muxed_zero_copy_if.hpp

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//
// Copyright 2016 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//

#ifndef INCLUDED_LIBUHD_TRANSPORT_MUXED_ZERO_COPY_IF_HPP
#define INCLUDED_LIBUHD_TRANSPORT_MUXED_ZERO_COPY_IF_HPP

#include <uhd/transport/zero_copy.hpp>
#include <uhd/config.hpp>
#include <boost/function.hpp>
#include <boost/noncopyable.hpp>
#include <stdint.h>

namespace uhd { namespace transport {

class muxed_zero_copy_if : private boost::noncopyable {
public:
    typedef boost::shared_ptr<muxed_zero_copy_if> sptr;

    typedef boost::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

#endif /* INCLUDED_LIBUHD_TRANSPORT_MUXED_ZERO_COPY_IF_HPP */