MetaBundle.cpp

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/*
 * MetaBundle.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.
 *
 */

#ifndef METABUNDLE_CPP_
#define METABUNDLE_CPP_

#include "ibrdtn/data/MetaBundle.h"
#include "ibrdtn/utils/Clock.h"
#include "ibrdtn/data/ScopeControlHopLimitBlock.h"
#include "ibrdtn/data/SchedulingBlock.h"

namespace dtn
{
        namespace data
        {
                MetaBundle MetaBundle::mockUp(const dtn::data::BundleID &id)
                {
                        return MetaBundle(id);
                }

                MetaBundle::MetaBundle()
                 : BundleID(), received(), lifetime(0), destination(), reportto(),
                   custodian(), appdatalength(0), expiretime(0), hopcount(Number::max()), payloadlength(0), net_priority(0)
                {
                }

                MetaBundle::MetaBundle(const dtn::data::BundleID &id)
                 : BundleID(id), received(), lifetime(0), destination(), reportto(),
                   custodian(), appdatalength(0), expiretime(0), hopcount(Number::max()), payloadlength(0), net_priority(0)
                {
                }

                MetaBundle::MetaBundle(const dtn::data::Bundle &b)
                 : BundleID(b), lifetime(b.lifetime), destination(b.destination), reportto(b.reportto),
                   custodian(b.custodian), appdatalength(b.appdatalength), procflags(b.procflags), expiretime(0), hopcount(Number::max()), payloadlength(0), net_priority(0)
                {
                        expiretime = dtn::utils::Clock::getExpireTime(b);

                        try {
                                const dtn::data::ScopeControlHopLimitBlock &schl = b.find<const dtn::data::ScopeControlHopLimitBlock>();
                                hopcount = schl.getHopsToLive();
                        } catch (const dtn::data::Bundle::NoSuchBlockFoundException&) { };

                        try {
                                const dtn::data::SchedulingBlock &sblock = b.find<const dtn::data::SchedulingBlock>();
                                net_priority = sblock.getPriority();
                        } catch (const dtn::data::Bundle::NoSuchBlockFoundException&) { };

                        try {
                                const dtn::data::PayloadBlock &pblock = b.find<const dtn::data::PayloadBlock>();
                                payloadlength = pblock.getLength();
                        } catch (const dtn::data::Bundle::NoSuchBlockFoundException&) { };
                }

                MetaBundle::~MetaBundle()
                {}

                int MetaBundle::getPriority() const
                {
                        // read priority
                        if (procflags.getBit(dtn::data::PrimaryBlock::PRIORITY_BIT1))
                        {
                                return 0;
                        }

                        if (procflags.getBit(dtn::data::PrimaryBlock::PRIORITY_BIT2))
                        {
                                return 1;
                        }

                        return -1;
                }

                bool MetaBundle::get(dtn::data::PrimaryBlock::FLAGS flag) const
                {
                        return procflags.getBit(flag);
                }
        }
}

#endif /* METABUNDLE_CPP_ */