ManagedBuffer.hpp

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#pragma once
#include <Pothos/Config.hpp>
#include <Pothos/Framework/SharedBuffer.hpp>
#include <memory> //shared_ptr

namespace Pothos {

class BufferManager;

class POTHOS_API ManagedBuffer
{
public:

    ManagedBuffer(void);

    pothos_explicit operator bool(void) const;

    void reset(void);

    void reset(std::shared_ptr<BufferManager> manager, const SharedBuffer &buff, const size_t slabIndex = 0);

    const SharedBuffer &getBuffer(void) const;

    size_t getSlabIndex(void) const;

    ~ManagedBuffer(void);

    ManagedBuffer(const ManagedBuffer &obj);

    ManagedBuffer(ManagedBuffer &&obj);

    ManagedBuffer &operator=(const ManagedBuffer &obj);

    ManagedBuffer &operator=(ManagedBuffer &&obj);

    std::shared_ptr<BufferManager> getBufferManager(void) const;

    bool operator<(const ManagedBuffer &) const;

    bool unique(void) const;

    size_t useCount(void) const;

private:
    struct Impl; Impl *_impl;
    POTHOS_API friend bool operator==(const ManagedBuffer &lhs, const ManagedBuffer &rhs);
};

inline bool operator==(const ManagedBuffer &lhs, const ManagedBuffer &rhs);

} //namespace Pothos

inline Pothos::ManagedBuffer::operator bool(void) const
{
    return _impl != nullptr;
}

inline bool Pothos::ManagedBuffer::operator<(const ManagedBuffer &rhs) const
{
    return _impl < rhs._impl;
}

inline bool Pothos::ManagedBuffer::unique(void) const
{
    return this->useCount() == 1;
}

inline bool Pothos::operator==(const ManagedBuffer &lhs, const ManagedBuffer &rhs)
{
    return lhs._impl == rhs._impl;
}