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// -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*-
/*
* Copyright (C) 2000 by the University of Southern California
* $Id: mpls-module.h,v 1.3 2005/08/25 18:58:09 johnh Exp $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
*
* The copyright of this module includes the following
* linking-with-specific-other-licenses addition:
*
* In addition, as a special exception, the copyright holders of
* this module give you permission to combine (via static or
* dynamic linking) this module with free software programs or
* libraries that are released under the GNU LGPL and with code
* included in the standard release of ns-2 under the Apache 2.0
* license or under otherwise-compatible licenses with advertising
* requirements (or modified versions of such code, with unchanged
* license). You may copy and distribute such a system following the
* terms of the GNU GPL for this module and the licenses of the
* other code concerned, provided that you include the source code of
* that other code when and as the GNU GPL requires distribution of
* source code.
*
* Note that people who make modified versions of this module
* are not obligated to grant this special exception for their
* modified versions; it is their choice whether to do so. The GNU
* General Public License gives permission to release a modified
* version without this exception; this exception also makes it
* possible to release a modified version which carries forward this
* exception.
*
*/
/*
* $Header: /cvsroot/nsnam/ns-2/mpls/mpls-module.h,v 1.3 2005/08/25 18:58:09 johnh Exp $
*
* Definition of MPLS node plugin module
*/
#ifndef ns_mpls_module_h
#define ns_mpls_module_h
#include <tclcl.h>
#include "lib/bsd-list.h"
#include "rtmodule.h"
#include "mpls/ldp.h"
class MPLSModule : public RoutingModule {
public:
MPLSModule() : RoutingModule(), last_inlabel_(0), last_outlabel_(1000) {
LIST_INIT(&ldplist_);
}
virtual ~MPLSModule();
virtual const char* module_name() const { return "MPLS"; }
virtual void add_route(char *dst, NsObject *target);
virtual int command(int argc, const char*const* argv);
protected:
// Do we have a LDP agent that peers with <nbr> ?
LDPAgent* exist_ldp(int nbr);
inline void attach_ldp(LDPAgent *a) {
LDPListElem *e = new LDPListElem(a);
LIST_INSERT_HEAD(&ldplist_, e, link);
}
void detach_ldp(LDPAgent *a);
int last_inlabel_;
int last_outlabel_;
struct LDPListElem {
LDPListElem(LDPAgent *a) : agt_(a) {
link.le_next = NULL;
link.le_prev = NULL;
}
LDPAgent* agt_;
LIST_ENTRY(LDPListElem) link;
};
LIST_HEAD(LDPList, LDPListElem);
LDPList ldplist_;
};
#endif // ns_mpls_module_h
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