SchedulingBlock.cpp

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/*
 * SchedulingBlock.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/SchedulingBlock.h"

namespace dtn
{
        namespace data
        {
                const dtn::data::block_t SchedulingBlock::BLOCK_TYPE = 198;

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

                SchedulingBlock::SchedulingBlock()
                 : dtn::data::Block(SchedulingBlock::BLOCK_TYPE), _priority(0)
                {
                        // set the replicate in every fragment bit
                        set(REPLICATE_IN_EVERY_FRAGMENT, true);
                }

                SchedulingBlock::~SchedulingBlock()
                {
                }

                void SchedulingBlock::setPriority(Integer p)
                {
                        _flags.setBit(HAS_PRIORITY, true);
                        _priority = p;
                }

                Integer SchedulingBlock::getPriority() const
                {
                        return _priority;
                }

                Length SchedulingBlock::getLength() const
                {
                        Length len = _flags.getLength();

                        if (_flags.getBit(HAS_PRIORITY)) _priority.getLength();

                        return len;
                }

                std::ostream& SchedulingBlock::serialize(std::ostream &stream, Length &length) const
                {
                        stream << _flags;

                        if (_flags.getBit(HAS_PRIORITY)) {
                                stream << _priority;
                        }

                        length += getLength();
                        return stream;
                }

                std::istream& SchedulingBlock::deserialize(std::istream &stream, const Length&)
                {
                        stream >> _flags;

                        if (_flags.getBit(HAS_PRIORITY)) {
                                stream >> _priority;
                        }

                        return stream;
                }
        } /* namespace data */
} /* namespace dtn */