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FlowID.hpp

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/*******************************************************************************
 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
 * Kopernikusstr. 16, D-52074 Aachen, Germany
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 * fax: ++49-241-80-22242
 * email: info@openwns.org
 * www: http://www.openwns.org
 * _____________________________________________________________________________
 *
 * openWNS is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
 * openWNS is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
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 ******************************************************************************/

#ifndef WNS_SERVICE_TL_FLOWID_HPP
#define WNS_SERVICE_TL_FLOWID_HPP

#include <WNS/service/nl/Address.hpp>
#include <WNS/service/tl/Service.hpp>
#include <WNS/SmartPtr.hpp>
#include <WNS/IOutputStreamable.hpp>

#include <sstream>

namespace wns { namespace service { namespace tl {
    class FlowID :
        public wns::IOutputStreamable
    {
    public:
        FlowID() :
            srcAddress(),
            srcPort(-1),
            dstAddress(),
            dstPort(-1)
        {
        }

        FlowID(
            const wns::service::nl::Address& _srcAddress,
            wns::service::tl::Port _srcPort,
            const wns::service::nl::Address& _dstAddress,
            wns::service::tl::Port _dstPort) :
            srcAddress(_srcAddress),
            srcPort(_srcPort),
            dstAddress(_dstAddress),
            dstPort(_dstPort)
        {}

        virtual ~FlowID()
        {}

        virtual void
        swapSrcDest()
            {
                wns::service::nl::Address tmpSrcAddress = srcAddress;
                wns::service::tl::Port tmpSrcPort = srcPort;
                srcAddress = dstAddress;
                srcPort = dstPort;
                dstAddress = tmpSrcAddress;
                dstPort = tmpSrcPort;
            }

        virtual bool
        operator ==(const FlowID& other) const
        {
            if(srcAddress == other.srcAddress &&
               srcPort == other.srcPort &&
               dstAddress == other.dstAddress &&
               dstPort == other.dstPort) {
                return true;
            } else {
                return false;
            }
        }

        bool
        operator <(const FlowID& other) const
        {
            if(srcAddress < other.srcAddress) {
                return true;
            } else if (srcAddress == other.srcAddress) {
                if(srcPort < other.srcPort) {
                    return true;
                } else if(srcPort == other.srcPort) {
                    if(dstAddress < other.dstAddress) {
                        return true;
                    } else if(dstAddress == other.dstAddress) {
                        if(dstPort < other.dstPort) {
                            return true;
                        }
                    }
                }
            }
            return false;
        }

        virtual std::string
        doToString() const
        {
            std::stringstream ss;
            ss << "SRC: " << srcAddress << ":" << srcPort << ", "
               << "DST: " << dstAddress << ":" << dstPort;
            return ss.str();
        }

        wns::service::nl::Address srcAddress;
        wns::service::tl::Port srcPort;

        wns::service::nl::Address dstAddress;
        wns::service::tl::Port dstPort;
    };
} // tl
} // service
} // wns

#endif // NOT defined WNS_SERVICE_TL_FLOWID_HPP

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