ctrMcast.cc
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
- /*
- * Copyright (C) 1997 by the University of Southern California
- * $Id: ctrMcast.cc,v 1.10 2005/08/25 18:58:07 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.
- *
- */
- /*
- * Contributed by Polly Huang (USC/ISI), http://www-scf.usc.edu/~bhuang
- *
- */
- #ifndef lint
- static const char rcsid[] =
- "@(#) $Header: /cvsroot/nsnam/ns-2/mcast/ctrMcast.cc,v 1.10 2005/08/25 18:58:07 johnh Exp $ (USC/ISI)";
- #endif
- #include "agent.h"
- #include "ip.h"
- #include "ctrMcast.h"
- int hdr_CtrMcast::offset_;
- static class CtrMcastHeaderClass : public PacketHeaderClass {
- public:
- CtrMcastHeaderClass() : PacketHeaderClass("PacketHeader/CtrMcast",
- sizeof(hdr_CtrMcast)) {
- bind_offset(&hdr_CtrMcast::offset_);
- }
- } class_CtrMcast_hdr;
- class CtrMcastEncap : public Agent {
- public:
- CtrMcastEncap() : Agent(PT_CtrMcast_Encap) {}
- int command(int argc, const char*const* argv);
- void recv(Packet* p, Handler*);
- };
- class CtrMcastDecap : public Agent {
- public:
- CtrMcastDecap() : Agent(PT_CtrMcast_Decap) {}
- int command(int argc, const char*const* argv);
- void recv(Packet* p, Handler*);
- };
- static class CtrMcastEncapclass : public TclClass {
- public:
- CtrMcastEncapclass() : TclClass("Agent/CtrMcast/Encap") {}
- TclObject* create(int, const char*const*) {
- return (new CtrMcastEncap);
- }
- } class_CtrMcastEncap;
- static class CtrMcastDecapclass : public TclClass {
- public:
- CtrMcastDecapclass() : TclClass("Agent/CtrMcast/Decap") {}
- TclObject* create(int, const char*const*) {
- return (new CtrMcastDecap);
- }
- } class_CtrMcastDecap;
- int CtrMcastEncap::command(int argc, const char*const* argv)
- {
- return Agent::command(argc, argv);
- }
- int CtrMcastDecap::command(int argc, const char*const* argv)
- {
- return Agent::command(argc, argv);
- }
- void CtrMcastEncap::recv(Packet* p, Handler*)
- {
- hdr_CtrMcast* ch = hdr_CtrMcast::access(p);
- hdr_ip* ih = hdr_ip::access(p);
- ch->src() = ih->saddr();
- ch->group() = ih->daddr();
- ch->flowid() = ih->flowid();
- ih->saddr() = addr();
- ih->sport() = port();
- ih->daddr() = daddr();
- ih->dport() = dport();
- ih->flowid() = fid_;
- target_->recv(p);
- }
- void CtrMcastDecap::recv(Packet* p, Handler*)
- {
- hdr_CtrMcast* ch = hdr_CtrMcast::access(p);
- hdr_ip* ih = hdr_ip::access(p);
- ih->saddr() = ch->src();
- ih->daddr() = ch->group();
- ih->flowid() = ch->flowid();
- target_->recv(p);
- }