1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106
|
/* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
/*
* Copyright (C) 1997 by the University of Southern California
* $Id: delaymodel.cc,v 1.9 2005/08/25 18:58:10 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/queue/delaymodel.cc,v 1.9 2005/08/25 18:58:10 johnh Exp $ (UCB)";
#endif
#include "packet.h"
#include "delaymodel.h"
static class DelayModelClass : public TclClass {
public:
DelayModelClass() : TclClass("DelayModel") {}
TclObject* create(int, const char*const*) {
return (new DelayModel);
}
} class_delaymodel;
DelayModel::DelayModel() : Connector(), bandwidth_(0)
{
}
int DelayModel::command(int argc, const char*const* argv)
{
Tcl& tcl = Tcl::instance();
if (argc == 3) {
if (strcmp(argv[1], "ranvar") == 0) {
ranvar_ = (RandomVariable*) TclObject::lookup(argv[2]);
return (TCL_OK);
} else if (strcmp(argv[1], "bandwidth") == 0) {
bandwidth_ = atof(argv[2]);
return (TCL_OK);
}
} else if (argc == 2) {
if (strcmp(argv[1], "ranvar") == 0) {
tcl.resultf("%s", ranvar_->name());
return (TCL_OK);
}
}
return Connector::command(argc, argv);
}
void DelayModel::recv(Packet* p, Handler*)
{
double delay = ranvar_->value();
//static int tmp = 0;
double txt = txtime(p);
Scheduler& s = Scheduler::instance();
//printf ("trans %f, delay %f\n", txt, delay);
s.schedule(target_, p, txt + delay);
//s.schedule(h, &intr_, txt);
}
|