class BGPRouteTable Base class for a stage in BGP's internal plumbing. More...

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Public Methods

•  BGPRouteTable (string tablename, Safi safi)
• virtual  ~BGPRouteTable ()
• virtual int  add_route (InternalMessage<A> &rtmsg, BGPRouteTable<A> *caller)
• virtual int  replace_route (InternalMessage<A> &old_rtmsg, InternalMessage<A> &new_rtmsg, BGPRouteTable<A> *caller)
• virtual int  delete_route (InternalMessage<A> &rtmsg, BGPRouteTable<A> *caller)
• virtual int  route_dump (InternalMessage<A> &rtmsg, BGPRouteTable<A> *caller, const PeerHandler *dump_peer)
• virtual int  push (BGPRouteTable<A> *caller)
• virtual const SubnetRoute<A> * lookup_route (const IPNet<A> &net, uint32_t& genid, FPAListRef& pa_list) const
• virtual void  route_used (const SubnetRoute<A>* , bool )
• void  set_next_table (BGPRouteTable<A>* table)
• BGPRouteTable<A> * next_table ()
• virtual BGPRouteTable<A> * parent ()
• virtual void  set_parent (BGPRouteTable<A> *parent)
• virtual RouteTableType  type () const
• const string&  tablename () const
• virtual string  str () const
• virtual void  wakeup ()
• virtual bool  get_next_message (BGPRouteTable *)
• virtual bool  dump_next_route (DumpIterator<A>& dump_iter)
• virtual void  igp_nexthop_changed (const A& bgp_nexthop)
• virtual void  peering_went_down (const PeerHandler *peer, uint32_t genid, BGPRouteTable<A> *caller)
• virtual void  peering_down_complete (const PeerHandler *peer, uint32_t genid, BGPRouteTable<A> *caller)
• virtual void  peering_came_up (const PeerHandler *peer, uint32_t genid, BGPRouteTable<A> *caller)
• Safi  safi () const

Protected Members

• BGPRouteTable<A> *_next_table
• BGPRouteTable<A> *_parent
• string _tablename
• const Safi _safi

Detailed Description

The XORP BGP is internally implemented as a set of pipelines. Each pipeline receives routes from a BGP peer, stores them, and applies filters to them to modify the routes. Then the pipelines converge on a single decision process, which decides which route wins amongst possible alternative routes. After decision, the winning routes fanout again along a set of pipelines, again being filtered, before being transmitted to peers.

Each stage in these pipelines is a BGPRouteTable. BGPRouteTable is a virtual base class, so all the stages consist of specialized RouteTable class instances.

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Notification that the status of this next hop has changed.

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