ibrdtn/ibrdtn/data/StreamBlock.cpp

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/*
 * StreamBlock.cpp
 *
 *  Created on: 17.11.2011
 *      Author: morgenro
 */

#include "ibrdtn/data/StreamBlock.h"

namespace dtn
{
        namespace data
        {
                dtn::data::Block* StreamBlock::Factory::create()
                {
                        return new StreamBlock();
                }

                StreamBlock::StreamBlock()
                : dtn::data::Block(StreamBlock::BLOCK_TYPE), _seq(0), _streamflags(0)
                {
                }

                StreamBlock::~StreamBlock()
                {

                }

                size_t StreamBlock::getLength() const
                {
                        return dtn::data::SDNV(_streamflags).getLength() + _seq.getLength();
                }

                std::ostream& StreamBlock::serialize(std::ostream &stream, size_t&) const
                {
                        stream << dtn::data::SDNV(_streamflags);
                        stream << _seq;
                        return stream;
                }

                std::istream& StreamBlock::deserialize(std::istream &stream, const size_t)
                {
                        dtn::data::SDNV flags;
                        stream >> flags; _streamflags = flags.getValue();
                        stream >> _seq;
                        return stream;
                }

                void StreamBlock::set(STREAM_FLAGS flag, const bool &value)
                {
                        if (value)
                        {
                                _streamflags |= flag;
                        }
                        else
                        {
                                _streamflags &= ~(flag);
                        }
                }

                bool StreamBlock::get(STREAM_FLAGS flag) const
                {
                        return (_streamflags & flag);
                }

                void StreamBlock::setSequenceNumber(size_t seq)
                {
                        _seq = seq;
                }

                size_t StreamBlock::getSequenceNumber() const
                {
                        return _seq.getValue();
                }
        } /* namespace data */
} /* namespace dtn */