ManagedBytes.h

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/*
 * SPDX-FileCopyrightText: 2006-2021 Istituto Italiano di Tecnologia (IIT)
 * SPDX-FileCopyrightText: 2006-2010 RobotCub Consortium
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef YARP_OS_MANAGEDBYTES_H
#define YARP_OS_MANAGEDBYTES_H
 
#include <yarp/os/Bytes.h>
#include <yarp/os/Network.h>
#include <yarp/os/Portable.h>
 
namespace yarp::os {
 
class YARP_os_API ManagedBytes : public Portable
{
public:
    explicit ManagedBytes();
 
    explicit ManagedBytes(size_t len);
 
    ManagedBytes(const Bytes& ext, bool owned = false);
 
    ManagedBytes(ManagedBytes&& other) noexcept;
 
    ManagedBytes& operator=(ManagedBytes&& other) noexcept;
 
    ManagedBytes(const ManagedBytes& alt);
 
    const ManagedBytes& operator=(const ManagedBytes& alt);
 
    virtual ~ManagedBytes();
 
    void allocate(size_t len);
 
    bool allocateOnNeed(size_t neededLen, size_t allocateLen);
 
    void copy();
 
    size_t length() const;
 
    size_t used() const;
 
    const char* get() const;
 
    char* get();
 
    void clear();
 
    const Bytes& bytes() const;
 
    Bytes& bytes();
 
    Bytes usedBytes();
 
 
    size_t setUsed(size_t used);
 
    size_t resetUsed();
 
    bool read(ConnectionReader& reader) override;
 
    bool write(ConnectionWriter& writer) const override;
 
    bool isOwner() const
    {
        return owned;
    }
 
private:
    void moveOwnership(ManagedBytes& other);
 
    Bytes b;
    bool owned;
    size_t use;
    bool use_set;
};
 
} // namespace yarp::os
 
#endif // YARP_OS_MANAGEDBYTES_H