eq/fabric/error.h

/* Copyright (c) 2010-2017, Stefan Eilemann <eile@eyescale.ch>
 *                          Daniel Nachbaur <danielnachbaur@gmail.com>
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * This library 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef EQFABRIC_ERROR_H
#define EQFABRIC_ERROR_H

#include <eq/fabric/api.h>
#include <eq/fabric/types.h>
#include <lunchbox/bitOperation.h> // inline template specialization

namespace eq
{
namespace fabric
{
class Error
{
    typedef void (Error::*bool_t)() const;
    void bool_true() const {}
public:
    EQFABRIC_API Error(const uint32_t code,
                       const uint128_t& originator = uint128_t());

    EQFABRIC_API Error& operator=(const ErrorCode code);

    EQFABRIC_API operator bool_t() const;

    EQFABRIC_API bool operator!() const;

    EQFABRIC_API uint32_t getCode() const;

    EQFABRIC_API const uint128_t& getOriginator() const;

    EQFABRIC_API bool operator==(const Error& rhs) const;

    EQFABRIC_API bool operator!=(const Error& rhs) const;

    EQFABRIC_API bool operator==(const uint32_t code) const;

    EQFABRIC_API bool operator!=(const uint32_t code) const;

    EQFABRIC_API Error();                                   
    EQFABRIC_API void serialize(co::DataOStream& os) const; 
    EQFABRIC_API void deserialize(co::DataIStream& is);     

private:
    uint32_t _code;
    uint128_t _originator;
};

EQFABRIC_API std::ostream& operator<<(std::ostream& os, const Error&);
}
}

#endif // EQFABRIC_ERROR_H