add_sr.cc
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- /*
- * add_sr.cc
- * Copyright (C) 2000 by the University of Southern California
- * $Id: add_sr.cc,v 1.3 2005/08/25 18:58:04 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.
- *
- */
- //
- // Other copyrights might apply to parts of this software and are so
- // noted when applicable.
- /*
- add_sr.cc
- add a compiled constant source route to a packet.
- for testing purposes
- Ported from CMU/Monarch's code, appropriate copyright applies.
- */
- #include <packet.h>
- #include <ip.h>
- #include "hdr_sr.h"
- #include <connector.h>
- class AddSR : public Connector {
- public:
- void recv(Packet*, Handler* callback = 0);
- AddSR();
- private:
- int off_ip_;
- int off_sr_;
- int off_ll_;
- int off_mac_;
- };
- static class AddSRClass : public TclClass {
- public:
- AddSRClass() : TclClass("Connector/AddSR") {}
- TclObject* create(int, const char*const*) {
- return (new AddSR);
- }
- } class_addsr;
- AddSR::AddSR()
- {
- bind("off_sr_", &off_sr_);
- bind("off_ll_", &off_ll_);
- bind("off_mac_", &off_mac_);
- bind("off_ip_", &off_ip_);
- }
- void
- AddSR::recv(Packet* p, Handler* callback)
- {
- hdr_sr *srh = hdr_sr::access(p);
- srh->route_request() = 0;
- srh->num_addrs() = 0;
- srh->cur_addr() = 0;
- srh->valid() = 1;
- srh->append_addr( 1<<8, NS_AF_INET );
- srh->append_addr( 2<<8, NS_AF_INET );
- srh->append_addr( 3<<8, NS_AF_INET );
- printf(" added sr %sn",srh->dump());
- send(p,0);
- }