mll-module.h

/*
 * Copyright (c) 2008, Karlstad University
 * Erik Andersson, Emil Ljungdahl, Lars-Olof Moilanen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id: mll-module.h 92 2008-03-25 19:35:54Z emil $
 */

#ifndef MLL_MODULE_H
#define MLL_MODULE_H

#include <module.h>
#include <packet.h>
#include <arp.h>
#include <mac.h>

#include <vector>
#include <algorithm>

#include "marptable.h"
#include <ipmodule.h>

class MLLModule : public Module
{
        public:
                MLLModule();
                ~MLLModule();

                virtual int crLayCommand(ClMessage* m);
                virtual int recvAsyncClMsg(ClMessage* m);

                virtual int command(int argc, const char*const* argv);

                virtual void recv(Packet* p);

                virtual void recv(Packet *p, int idSrc);

        protected:
                virtual void sendDown(Packet* p);

                virtual void sendUp(Packet* p);

                virtual void processARP(Packet* p, int idSrc);

                virtual bool netAddrPresent(nsaddr_t addr);

                virtual void fillNetAddrTable();

                virtual int getDownAddr(int downId = -1);

                virtual int arpResolve(nsaddr_t dst, Packet* p);

                virtual void arpRequest(nsaddr_t src, nsaddr_t dst);

                MARPTable *arptable_;

                vector<nsaddr_t> netAddr;

                int seqno_;

                int ackno_;
};

#endif

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