rtProtoDV.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: rtProtoDV.cc,v 1.9 2005/08/25 18:58:12 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.
- *
- */
- #ifndef lint
- static const char rcsid[] =
- "@(#) $Header: /cvsroot/nsnam/ns-2/routing/rtProtoDV.cc,v 1.9 2005/08/25 18:58:12 johnh Exp $ (USC/ISI)";
- #endif
- #include "agent.h"
- #include "rtProtoDV.h"
- int hdr_DV::offset_;
- static class rtDVHeaderClass : public PacketHeaderClass {
- public:
- rtDVHeaderClass() : PacketHeaderClass("PacketHeader/rtProtoDV",
- sizeof(hdr_DV)) {
- bind_offset(&hdr_DV::offset_);
- }
- } class_rtProtoDV_hdr;
- static class rtProtoDVclass : public TclClass {
- public:
- rtProtoDVclass() : TclClass("Agent/rtProto/DV") {}
- TclObject* create(int, const char*const*) {
- return (new rtProtoDV);
- }
- } class_rtProtoDV;
- int rtProtoDV::command(int argc, const char*const* argv)
- {
- if (strcmp(argv[1], "send-update") == 0) {
- ns_addr_t dst;
- dst.addr_ = atoi(argv[2]);
- dst.port_ = atoi(argv[3]);
- u_int32_t mtvar = atoi(argv[4]);
- u_int32_t size = atoi(argv[5]);
- sendpkt(dst, mtvar, size);
- return TCL_OK;
- }
- return Agent::command(argc, argv);
- }
- void rtProtoDV::sendpkt(ns_addr_t dst, u_int32_t mtvar, u_int32_t size)
- {
- daddr() = dst.addr_;
- dport() = dst.port_;
- size_ = size;
-
- Packet* p = Agent::allocpkt();
- hdr_DV *rh = hdr_DV::access(p);
- rh->metricsVar() = mtvar;
- target_->recv(p);
- }
- void rtProtoDV::recv(Packet* p, Handler*)
- {
- hdr_DV* rh = hdr_DV::access(p);
- hdr_ip* ih = hdr_ip::access(p);
- Tcl::instance().evalf("%s recv-update %d %d", name(),
- ih->saddr(), rh->metricsVar());
- Packet::free(p);
- }