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routervisitor.cc
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routervisitor.cc
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// -*- c-basic-offset: 4; related-file-name: "../include/click/routervisitor.hh" -*-
/*
* routervisitor.{cc,hh} -- element filters
* Eddie Kohler
*
* Copyright (c) 2009 Meraki, Inc.
*
* 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 Click 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 Click LICENSE file; the license in that file is
* legally binding.
*/
#include <click/config.h>
#include <click/routervisitor.hh>
#include <click/router.hh>
CLICK_DECLS
/** @file routervisitor.hh
* @brief Router configuration visitors for finding elements and ports.
*/
bool
RouterVisitor::visit(Element *, bool, int, Element *, int, int)
{
return true;
}
ElementTracker::ElementTracker(Router *router)
: _reached(router->nelements(), false)
{
}
bool
ElementCastTracker::visit(Element *e, bool, int, Element *, int, int)
{
if (e->cast(_name.c_str())) {
insert(e);
return false;
} else
return true;
}
bool
ElementNeighborhoodTracker::visit(Element *e, bool, int,
Element *, int, int distance)
{
if (distance <= _diameter)
insert(e);
return distance < _diameter;
}
CLICK_ENDDECLS