StreamBlock.cpp

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/*
 * StreamBlock.cpp
 *
 * Copyright (C) 2011 IBR, TU Braunschweig
 *
 * Written-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>
 *
 * 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 "ibrdtn/data/StreamBlock.h"

namespace dtn
{
        namespace data
        {
                const dtn::data::block_t StreamBlock::BLOCK_TYPE = 242;

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

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

                StreamBlock::~StreamBlock()
                {

                }

                Length StreamBlock::getLength() const
                {
                        return _streamflags.getLength() + _seq.getLength();
                }

                std::ostream& StreamBlock::serialize(std::ostream &stream, Length&) const
                {
                        stream << _streamflags;
                        stream << _seq;
                        return stream;
                }

                std::istream& StreamBlock::deserialize(std::istream &stream, const Length&)
                {
                        stream >> _streamflags;
                        stream >> _seq;
                        return stream;
                }

                void StreamBlock::set(STREAM_FLAGS flag, const bool &value)
                {
                        _streamflags.setBit(flag, value);
                }

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

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

                const Number& StreamBlock::getSequenceNumber() const
                {
                        return _seq;
                }
        } /* namespace data */
} /* namespace dtn */