class RouteDB

Class that manages routes. More...

Definition#include <route_db.hh>
Template formRouteDB<typename A>
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Detailed Description

The RouteDB class holds routes and manages their updates. Successful updates are placed in the update queue contained within the RouteDB instance. The UpdateQueue is used for generating triggered update messages.

The RouteWalker class provides a way to walk the routes held.

typedef A Addr

Addr

typedef IPNet<A> Net

Net

typedef RouteEntry<A> Route

Route

typedef RouteEntryOrigin<A> RouteOrigin

RouteOrigin

typedef RouteEntryRef<A> DBRouteEntry

DBRouteEntry

typedef RouteEntryRef<A> ConstDBRouteEntry

ConstDBRouteEntry

typedef PacketRouteEntry<A> PacketizedRoute

PacketizedRoute

typedef map<Net, DBRouteEntry, NetCmp<A> > RouteContainer

RouteContainer

 RouteDB (EventLoop& e)

RouteDB

 ~RouteDB ()

~RouteDB

bool  update_route (const Net& net, const Addr& nexthop, uint32_t cost, uint32_t tag, RouteOrigin* origin)

update_route

Update Route Entry in database for specified route.

If the route does not exist or the values provided differ from the existing route, then an update is placed in the update queue.

Parameters:
netthe network route being updated.
nexthopthe corresponding nexthop address.
costthe corresponding metric value as received from the route originator.
tagthe corresponding route tag.
originthe route originator proposing update.

Returns: true if an update occurs, false otherwise.

void  dump_routes (vector<ConstDBRouteEntry>& routes)

dump_routes

Flatten route entry collection into a Vector.

Parameters:
routesvector where routes are to be appended.

void  flush_routes ()

flush_routes

Flush routes.

uint32_t  route_count ()

route_count

[const]

Returns: count of routes in database.

const Route*  find_route (const Net& n)

find_route

[const]

Returns: pointer to route entry if it exists, 0 otherwise.

UpdateQueue<A>&  update_queue ()

update_queue

Accessor.

Returns: reference to UpdateQueue.

const UpdateQueue<A>&  update_queue ()

update_queue

[const]

Accessor.

Returns: const reference to UpdateQueue.

inline EventLoop&  eventloop ()

eventloop

 RouteDB (const RouteDB&)

RouteDB

[protected]

RouteDB&  operator= (const RouteDB&)

operator=

[protected]

void  expire_route (Route* r)

expire_route

[protected]

void  set_expiry_timer (Route* r)

set_expiry_timer

[protected]

void  delete_route (Route* r)

delete_route

[protected]

void  set_deletion_timer (Route* r)

set_deletion_timer

[protected]

RouteContainer&  routes ()

routes

[protected]

EventLoop& _eventloop

_eventloop

[protected]

RouteContainer _routes

_routes

[protected]

UpdateQueue<A>* _uq

_uq

[protected]

friend class RouteWalker

RouteWalker

[protected]


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