vrrp_vif.hh

// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
// vim:set sts=4 ts=8:

// Copyright (c) 2008-2011 XORP, Inc and Others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, Version 2, June
// 1991 as published by the Free Software Foundation. Redistribution
// and/or modification of this program under the terms of any other
// version of the GNU General Public License is not permitted.
// 
// 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. For more details,
// see the GNU General Public License, Version 2, a copy of which can be
// found in the XORP LICENSE.gpl file.
//
// XORP Inc, 2953 Bunker Hill Lane, Suite 204, Santa Clara, CA 95054, USA;
// http://xorp.net

// $XORP: xorp/vrrp/vrrp_vif.hh,v 1.10 2008/12/18 11:34:52 abittau Exp $

#ifndef __VRRP_VRRP_VIF_HH__
#define __VRRP_VRRP_VIF_HH__




#include "libxorp/ipv4.hh"
#include "libfeaclient/ifmgr_atoms.hh"
#include "libxipc/xrl_error.hh"

//#include "vrrp.hh"
//#include "vrrp_interface.hh"

class VrrpTarget;
class Vrrp;

class VrrpVif {
public:
    typedef set<uint8_t>    VRIDS;

    VrrpVif(VrrpTarget& vt, const string& ifname, const string& vifname);
    ~VrrpVif();

    VrrpTarget& get_vrrp_target() { return _vt; }

    bool        own(const IPv4& addr);

    Vrrp*       find_vrid(uint32_t vrid);

    void        add_vrid(uint32_t vrid);

    void        delete_vrid(uint32_t vrid);

    bool        ready() const;

    void        configure(const IfMgrIfTree& conf);

    const IPv4&     addr() const;

    void        send(const Mac& src, const Mac& dst, uint32_t ether,
             const vector<uint8_t>& payload);

    void        join_mcast();

    void        leave_mcast();

    void recv(const IPv4& from, const vector<uint8_t>& payload);

    void add_mac(const Mac& mac);
    void add_ip(const IPv4& ip, uint32_t prefix);

    void delete_mac(const Mac& mac);

    void delete_ip(const IPv4& ip);

    void        start_arps();

    void        stop_arps();

    void recv_arp(const Mac& src, const vector<uint8_t>& payload);

    void        get_vrids(VRIDS& vrids);

    void        xrl_cb(const XrlError& xrl_error);

private:
    typedef set<IPv4>           IPS;
    typedef map<uint32_t, Vrrp*>    VRRPS;

    void            set_ready(bool ready);

    template <class T> bool is_enabled(const T* obj);

    VrrpTarget& _vt;
    string  _ifname;
    string  _vifname;
    bool    _ready; // is it configured?
    IPS     _ips;   // IPs assigned to this vif
    VRRPS   _vrrps; // VRRPs enabled on this vif
    uint32_t    _join;
    uint32_t    _arps;
};

#endif // __VRRP_VRRP_VIF_HH__