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// -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*-
/*
* classifier-hier.cc
* Copyright (C) 2000 by the University of Southern California
* $Id: classifier-hier.cc,v 1.9 2010/03/08 05:54:49 tom_henderson 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/classifier/classifier-hier.cc,v 1.9 2010/03/08 05:54:49 tom_henderson Exp $
#include <assert.h>
#include "classifier-hier.h"
#include "route.h"
int HierClassifier::command(int argc, const char*const* argv)
{
Tcl& tcl = Tcl::instance();
if (argc == 3) {
if (strcmp(argv[1], "classifier") == 0) {
// XXX Caller must guarantee that the supplied level
// is within range, i.e., 0 < n <= level_
tcl.resultf("%s", clsfr_[atoi(argv[2])-1]->name());
return TCL_OK;
} else if (strcmp(argv[1], "defaulttarget") == 0) {
NsObject *o = (NsObject *)TclObject::lookup(argv[2]);
for (int i = 0;
i < AddrParamsClass::instance().hlevel(); i++)
clsfr_[i]->set_default_target(o);
return (TCL_OK);
} else if (strcmp(argv[1], "clear") == 0) {
int slot = atoi(argv[2]);
for (int i = 0;
i < AddrParamsClass::instance().hlevel(); i++)
clsfr_[i]->clear(slot);
return (TCL_OK);
}
} else if (argc == 4) {
if (strcmp(argv[1], "add-classifier") == 0) {
int n = atoi(argv[2]) - 1;
Classifier *c=(Classifier*)TclObject::lookup(argv[3]);
clsfr_[n] = c;
return (TCL_OK);
}
}
return Classifier::command(argc, argv);
}
void HierClassifier::do_install(char* dst, NsObject *target) {
int istr[TINY_LEN], n=0, len=0;
while(n < TINY_LEN)
istr[n++] = 0;
RouteLogic::ns_strtok(dst, istr);
while(istr[len] > 0) {
istr[len] = istr[len] - 1;
len++;
}
for (int i=1; i<len; i++)
clsfr_[i-1]->install(istr[i-1], clsfr_[i]);
clsfr_[len-1]->install(istr[len-1], target);
}
void HierClassifier::set_table_size(int level, int size)
{
if (clsfr_[level-1])
clsfr_[level-1]->set_table_size(size);
}
static class HierClassifierClass : public TclClass {
public:
HierClassifierClass() : TclClass("Classifier/Hier") {}
TclObject* create(int , const char*const* ) {
return (new HierClassifier());
}
} class_hier_classifier;
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