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Handler.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. 5, D-52074 Aachen, Germany
 * phone: ++49-241-80-27910,
 * 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
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 ******************************************************************************/

#ifndef WNS_SERVICE_DLL_HANDLER_HPP
#define WNS_SERVICE_DLL_HANDLER_HPP

#include <WNS/service/dll/ProtocolNumber.hpp>
#include <WNS/osi/PDU.hpp>
#include <WNS/service/tl/FlowID.hpp>
#include <WNS/service/dll/FlowID.hpp>

namespace wns { namespace service { namespace dll {
      class Handler
      {
      public:
    virtual ~Handler() {};

    virtual void
    onData(const wns::osi::PDUPtr& _pdu, wns::service::dll::FlowID _dllFlowID = wns::service::dll::NoFlowID) = 0;
      };

      class FlowHandler
      {
      public:
    virtual ~FlowHandler() {}

    virtual void
    onFlowEstablished(wns::service::tl::FlowID /*flowID*/, wns::service::dll::FlowID /*_dllFlowID*/)=0;

    virtual void
    onFlowChanged(wns::service::tl::FlowID /*flowID*/, wns::service::dll::FlowID /*_dllFlowID*/)=0;
      };


      class IRuleControl
      {
      public:
    virtual ~IRuleControl() {}

    virtual void
    onFlowRemoved(wns::service::dll::FlowID /*flowID*/)=0;
      };


      class Notification :
    virtual public wns::service::Service
      {
      public:
    /*
     * @brief Registration of DataHandlers of the upper layer.
     *
     * @param[in] _protocol Protocol Number this _handler is responsible for
     *
     * @param[in] _handler An implementation of the Handler interface.
     * Will receive PDUs of the given protocol.
     */
    virtual void
    registerHandler(protocolNumber protocol, Handler* handler) = 0;

    /*
     * @brief Registration of FlowHandlers of higher layers.
     *
     * @param[in] _flowHandler An implementation of the FlowHandler interface.
     * Will receive notification about established flow.
     */
    virtual void
    registerFlowHandler(FlowHandler* _flowHandler) = 0;

    /*
     * @brief Registration of IRuleControl of IP.
     *
     */
    virtual void
    registerIRuleControl(IRuleControl* _iRuleControl) = 0;
      };
    } // dll
  } // service
} // wns

#endif // WNS_SERVICE_DLL_HANDLER_HPP

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