IPAddressResolver.h

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//
// Copyright (C) 2004 Andras Varga
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This program 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/>.
//


#ifndef __INET_IPADDRESSRESOLVER_H
#define __INET_IPADDRESSRESOLVER_H

#include <omnetpp.h>
#include "IPvXAddress.h"

class IInterfaceTable;
class InterfaceEntry;
class IRoutingTable;
class RoutingTable6;
class NotificationBoard;


class INET_API IPAddressResolver
{
  protected:
    // internal
    virtual IPAddress getIPv4AddressFrom(IInterfaceTable *ift);
    // internal
    virtual IPv6Address getIPv6AddressFrom(IInterfaceTable *ift);
    // internal
    //virtual IPv6Address getIPv6AddressFrom(IInterfaceTable *ift, int scope);
    // internal
    virtual IPv6Address getInterfaceIPv6Address(InterfaceEntry *ie);

  public:
    enum {
        ADDR_PREFER_IPv4,
        ADDR_PREFER_IPv6,
        ADDR_IPv4,
        ADDR_IPv6
    };

  public:
    IPAddressResolver() {}
    virtual ~IPAddressResolver() {}

    virtual IPvXAddress resolve(const char *str, int addrType=ADDR_PREFER_IPv6);

    virtual bool tryResolve(const char *str, IPvXAddress& result, int addrType=ADDR_PREFER_IPv6);

    virtual IPvXAddress addressOf(cModule *host, int addrType=ADDR_PREFER_IPv6);

    virtual IPvXAddress addressOf(cModule *host, const char *ifname, int addrType=ADDR_PREFER_IPv6);

    virtual IPAddress routerIdOf(cModule *host);

    virtual IPvXAddress getAddressFrom(IInterfaceTable *ift, int addrType=ADDR_PREFER_IPv6);

    virtual IPvXAddress getAddressFrom(InterfaceEntry *ie, int addrType=ADDR_PREFER_IPv6);

    virtual IInterfaceTable *interfaceTableOf(cModule *host);

    virtual IRoutingTable *routingTableOf(cModule *host);

#ifndef WITHOUT_IPv6

    virtual RoutingTable6 *routingTable6Of(cModule *host);
#endif

    virtual NotificationBoard *notificationBoardOf(cModule *host);

    virtual IInterfaceTable *findInterfaceTableOf(cModule *host);

    virtual IRoutingTable *findRoutingTableOf(cModule *host);

#ifndef WITHOUT_IPv6

    virtual RoutingTable6 *findRoutingTable6Of(cModule *host);
#endif

    virtual NotificationBoard *findNotificationBoardOf(cModule *host);
};


#endif