qpid/framing/Uuid.h

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#ifndef QPID_FRAMING_UUID_H
#define QPID_FRAMING_UUID_H

/*
 *
 * Copyright (c) 2006 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

#include "qpid/CommonImportExport.h"
#include "qpid/sys/IntegerTypes.h"

#include <boost/array.hpp>

#include <ostream>
#include <istream>

namespace qpid {
namespace framing {

class Buffer;

struct Uuid : public boost::array<uint8_t, 16> {
    QPID_COMMON_EXTERN Uuid(bool unique=false);

    QPID_COMMON_EXTERN Uuid(const uint8_t* data);

    QPID_COMMON_EXTERN Uuid(const std::string&);

    // Default op= and copy ctor are fine.
    // boost::array gives us ==, < etc.

    QPID_COMMON_EXTERN void assign(const uint8_t* data);

    QPID_COMMON_EXTERN void generate();

    QPID_COMMON_EXTERN void clear();

    QPID_COMMON_EXTERN bool isNull() const;
    QPID_COMMON_INLINE_EXTERN operator bool() const { return !isNull(); }
    QPID_COMMON_INLINE_EXTERN bool operator!() const { return isNull(); }

    QPID_COMMON_EXTERN void encode(framing::Buffer& buf) const;
    QPID_COMMON_EXTERN void decode(framing::Buffer& buf);
    QPID_COMMON_INLINE_EXTERN uint32_t encodedSize() const
        { return static_cast<uint32_t>(size()); }

    QPID_COMMON_EXTERN std::string str() const;

    template <class S> void serialize(S& s) {
        s.raw(begin(), size());
    }
};

QPID_COMMON_EXTERN std::ostream& operator<<(std::ostream&, Uuid);

QPID_COMMON_EXTERN std::istream& operator>>(std::istream&, Uuid&);

}} // namespace qpid::framing



#endif