Source: ../../bgp/route_queue.hh

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// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-

// Copyright (c) 2001,2002 International Computer Science Institute
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software")
// to deal in the Software without restriction, subject to the conditions
// listed in the XORP LICENSE file. These conditions include: you must
// preserve this copyright notice, and you cannot mention the copyright
// holders in advertising related to the Software without their permission.
// The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
// notice is a summary of the XORP LICENSE file; the license in that file is
// legally binding.

// $XORP: xorp/bgp/route_queue.hh,v 1.1.1.1 2002/12/11 23:55:49 hodson Exp $

#ifndef __BGP_ROUTE_QUEUE_HH__
#define __BGP_ROUTE_QUEUE_HH__

#include "subnet_route.hh"

class PeerHandler;

typedef enum ribout_queue_op {
    RTQUEUE_OP_ADD = 1,
    RTQUEUE_OP_DELETE = 2,
    RTQUEUE_OP_REPLACE_OLD = 3,
    RTQUEUE_OP_REPLACE_NEW = 4,
    RTQUEUE_OP_PUSH = 5
} RouteQueueOp;

template<class A>
class RouteQueueEntry {
public:
    RouteQueueEntry(const SubnetRoute<A>* route,
		    RouteQueueOp operation);
    RouteQueueEntry(RouteQueueOp operation,
		    const PeerHandler *origin_peer); //for push only
    ~RouteQueueEntry();
    const SubnetRoute<A> *route() const {return _route;}
    const IPNet<A>& net() const {return _route->net();}
    const PathAttributeList<A> *attributes() const {
	return _route->attributes();
    }
    RouteQueueOp op() const {return _op;}

    void set_origin_peer(const PeerHandler *peer) {_origin_peer = peer;}
    const PeerHandler *origin_peer() const {return _origin_peer;}
    void set_genid(uint32_t genid) {_genid = genid;}
    uint32_t genid() const {return _genid;}

    string str() const;
private:
    RouteQueueOp _op;

    //if _op is delete, we need to clone the route, and we can not
    //safely refer to any of the fields of _route because the original
    //route may have been deleted by the time to access the queue
    //entry. if _op is add, we can just copy the original pointer.
    const SubnetRoute<A> *_route;
    const PeerHandler *_origin_peer;
    uint32_t _genid;
};

#endif // __BGP_ROUTE_QUEUE_HH__