ibrdtn/ibrdtn/data/BundleMerger.h

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/*
 * BundleMerger.h
 *
 *  Created on: 25.01.2010
 *      Author: morgenro
 */

#ifndef BUNDLEMERGER_H_
#define BUNDLEMERGER_H_

#include "ibrcommon/data/BLOB.h"
#include "ibrdtn/data/Bundle.h"
#include <set>

namespace dtn
{
        namespace data
        {
                class BundleMerger
                {
                public:
                        class Chunk
                        {
                        public:
                                Chunk(size_t, size_t);
                                virtual ~Chunk();

                                bool operator<(const Chunk &other) const;

                                size_t offset;
                                size_t length;

                                static bool isComplete(size_t length, const std::set<Chunk> &chunks);
                        };

                        class Container
                        {
                        public:
                                Container(ibrcommon::BLOB::Reference &ref);
                                virtual ~Container();
                                bool isComplete();

                                Bundle& getBundle();

                                friend Container &operator<<(Container &c, dtn::data::Bundle &obj);

                        private:
                                bool contains(size_t offset, size_t length) const;
                                void add(size_t offset, size_t length);

                                dtn::data::Bundle _bundle;
                                ibrcommon::BLOB::Reference _blob;
                                bool _initialized;

                                std::set<Chunk> _chunks;
                                size_t _appdatalength;
                        };

                        static Container getContainer();
                        static Container getContainer(ibrcommon::BLOB::Reference &ref);
                };
        }
}


#endif /* BUNDLEMERGER_H_ */