buffer_pool.hpp

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//
// Copyright 2011,2014 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/utils/noncopyable.hpp>
#include <cstddef>
#include <memory>
#include <vector>
 
namespace uhd { namespace transport {

class UHD_API buffer_pool : uhd::noncopyable
{
public:
    typedef std::shared_ptr<buffer_pool> sptr;
    typedef void* ptr_type;
 
    ~buffer_pool() = default;

    static sptr make(
        const size_t num_buffs, const size_t buff_size, const size_t alignment = 16);

    ptr_type at(const size_t index) const
    {
        return _ptrs.at(index);
    }

    size_t size() const
    {
        return _ptrs.size();
    }
 
private:
    buffer_pool(std::vector<ptr_type>&& ptrs, std::unique_ptr<char[]> mem)
        : _ptrs(std::move(ptrs)), _mem(std::move(mem))
    {
    }
 
    std::vector<ptr_type> _ptrs;
    std::unique_ptr<char[]> _mem;
};
 
}} // namespace uhd::transport