source: source/ariba/Name.h@ 9633

// [License]

// The Ariba-Underlay Copyright

//

// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)

//

// Institute of Telematics

// UniversitÀt Karlsruhe (TH)

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// Germany

//

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// 2. Redistributions in binary form must reproduce the above copyright

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// [License]



#ifndef NAME_H_

#define NAME_H_



#include <iostream>

#include <memory.h>

#include <string>



using std::string;



// forward declaration

namespace ariba { class Name; }



std::ostream& operator<<( std::ostream&, const ariba::Name& );



#include "Identifiers.h"



namespace ariba {



/**

 * This class is a wrapper for canonical names.

 * Currently only human readable names are supported.

 *

 * @author Sebastian Mies <mies@tm.uka.de>

 */

class Name {

        friend std::ostream& operator<<( std::ostream&, const ::ariba::Name& );

public:

        static const Name UNSPECIFIED;



        /**

         * Constructs a new, yet unspecified name.

         */

        Name();



        /**

         * Constructs a new name. If no length is specified, a human-readable

         * name is assumed.

         *

         * @param name The name

         * @param len The optional name length, if binary data is used as name

         * @param copy A flag, whether the name's memory needs to be copied

         */

        Name(const char* name, int len = -1, bool copy = false);



        /**

         * Constructs a new name out of a human readable string.

         *

         * @param name A human readable name

         */

        Name(string name);



        /**

         * The copy constructor.

         */

        Name(const Name& name);



        /**

         * Destroys the name and releases underlying memory if this name is a copy.

         */

        virtual ~Name();



        /**

         * Returns the binary bytes of the name

         *

         * @return The binary data

         */

        const uint8_t* bytes() const;



        /**

         * Returns the length of the name in bytes.

         *

         * @return The length of the name

         */

        const size_t length() const;



        /**

         * The common assign operator

         */

        Name& operator=( const Name& name );



        /**

         * The common implementation of the "equal" operator.

         */

        bool operator==(const Name& name) const;



        /**

         * The common implementation of the "unequal" operator.

         */

        bool operator!=(const Name& name) const;



        /**

         * Returns true, if the name is yet unspecified

         */

        bool isUnspecified() const;



        /**

         * Returns a random name.

         */

        static Name random();



        /**

         * Returns a human-readable representation of this name

         */

        string toString() const;



        // hack: to be changed!

        NodeID toNodeId() const;



        // hack: to be changed!

        SpoVNetID toSpoVNetId() const;



private:

        uint8_t* _bytes; //< internal pointer

        int _length; //< length of internal pointer

        bool _copy; //< is the buffer a real copy

        bool _hreadable; //< is the name human readable



        void init(const char* name, int len, bool copy, bool hreadable);

};



} // namespace ariba



#endif /* NAME_H_ */