/*
* Copyright (c) 2001 University of Southern California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Information Sciences
* Institute of the University of Southern California.
* 4. Neither the name of the University nor of the Institute may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <stdlib.h>
#include <math.h>
#ifdef WIN32
#include <windows.h>
#endif
#include "netview.h"
#include "edge.h"
#include "paint.h"
#include "sincos.h"
#include "lossmodel.h"
#include "queuehandle.h"
#define PROPERTY_STRING_LENGTH 256
static int g_lossmodel_number = 1;
//----------------------------------------------------------------------
// Wrapper for creating LossModels in OTcl
//----------------------------------------------------------------------
static class LossModelClass : public TclClass {
public:
LossModelClass() : TclClass("LossModel") {}
TclObject* create(int argc, const char * const * argv) {
const char * type;
int id;
double size;
type = argv[4];
id = strtol(argv[5], NULL, 10);
size = strtod(argv[6], NULL);
return (new LossModel(type, id, size));
}
} class_lossmodel;
//----------------------------------------------------------------------
//----------------------------------------------------------------------
LossModel::LossModel(const char* type, int id, double _size) :
Animation(0, 0) {
setDefaults();
number_ = id;
if (g_lossmodel_number++ <= id) {
g_lossmodel_number = id + 1;
}
label_ = new char[strlen(type) + 1];
strcpy(label_, type);
width_ = 50.0 * strlen(type);
height_ = size_/2.0;
size_ = _size;
size(_size);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
LossModel::LossModel(const char* name, double _size) :
Animation(0, 0) {
setDefaults();
number_ = g_lossmodel_number;
g_lossmodel_number++;
width_ = 50.0 * strlen(name);
height_ = size_/2.0;
size_ = _size;
label_ = new char[strlen(name) + 1];
strcpy(label_, name);
size(_size);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void
LossModel::setDefaults() {
next_lossmodel_ = NULL;
edge_ = NULL;
x_ = 0.0;
y_ = 0.0;
angle_ = NO_ANGLE;
color_ = "black";
paint_ = Paint::instance()->thin();
loss_unit_ = NULL;
setLossUnit("pkt");
// Periodic Parameters
period_ = 1.0;
offset_ = 0.0;
burstlen_ = 0.0;
// Uniform Parameters
rate_ = 0.1;
}
//----------------------------------------------------------------------
// double
// LossModel::distance(double x, double y) const {
//----------------------------------------------------------------------
double
LossModel::distance(double x, double y) const {
return sqrt((x_-x)*(x_-x) + (y_-y)*(y_-y));
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void
LossModel::color(const char * name) {
if (color_) {
delete []color_;
}
color_ = new char[strlen(name) + 1];
strcpy(color_, name);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void LossModel::size(double s) {
size_ = s;
width_ = 10.0 + 25.0*strlen(label_);
height_ = s/2.0;
update_bb();
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void LossModel::update_bb() {
bb_.xmin = x_;
bb_.ymin = y_;
bb_.xmax = x_ + width_;
bb_.ymax = y_ + height_;
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void LossModel::label(const char* name) {
if (label_) {
delete label_;
}
label_ = new char[strlen(name) + 1];
strcpy(label_, name);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void LossModel::reset(double) {
paint_ = Paint::instance()->thick();
}
//----------------------------------------------------------------------
// void
// LossModel::attach(Agent * agent)
// - Attach this loss model to an edge
//----------------------------------------------------------------------
void
LossModel::attachTo(Edge * edge) {
edge_ = edge;
place();
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void LossModel::clearEdge() {
edge_->clearLossModel();
edge_ = NULL;
}
//----------------------------------------------------------------------
// void
// LossModel::place()
// - place the loss model on the edge to which it is attached.
//----------------------------------------------------------------------
void
LossModel::place() {
QueueHandle * queue_handle;
if (edge_) {
// Place loss model on top of the queue handle
queue_handle = edge_->getQueueHandle();
// Place loss model on top of queue handle
x_ = queue_handle->x();
y_ = queue_handle->y() + queue_handle->height();
// Place loss model to the right of queue handle
//x_ = queue_handle->x() + queue_handle->width();
//y_ = queue_handle->y();
}
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
const char* LossModel::info() const {
static char text[128];
sprintf(text, "Loss Model: %s %d->%d", label_, edge_->src(), edge_->dst());
return (text);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
const char* LossModel::getname() const
{
static char text[128];
sprintf(text, "a %s", label_);
return (text);
}
//----------------------------------------------------------------------
// int
// LossModel::inside(double, float px, float py) const
// - Check to see if point (px, py) is within the Loss Model box
//----------------------------------------------------------------------
int
LossModel::inside(double, float px, float py) const {
return (px >= x_ &&
px <= (x_ + width_) &&
py >= y_ &&
py <= (y_ + height_));
}
//----------------------------------------------------------------------
// void
// LossModel::draw(View * view, double ) const
// - Draw the Loss Model on its edge
//----------------------------------------------------------------------
void
LossModel::draw(View * view, double time) {
double label_width, label_height, label_x, label_y;
static char full_label[128];
// Draw label centered inside of border
if (label_) {
//sprintf(full_label, "%s: %d->%d", label_, edge_->src(), edge_->dst());
sprintf(full_label, "%s", label_);
// We have to keep calculting the label width and height because
// we have no way of knowing if the user has zoomed in or out
// on the current network view.
label_height = 0.9 * height_;
label_width = view->getStringWidth(full_label, label_height);
// Add 10% of padding to width for the box
setWidth(1.1 * label_width);
// Center label in box
label_x = x_ + (width_ - label_width);
label_y = y_ + (height_ - label_height);
view->string(full_label, label_x , label_y, label_height, NULL);
update_bb();
}
// Draw Rectangle Border
view->rect(x_, y_, x_ + width_, y_ + height_ , paint_);
}
//----------------------------------------------------------------------
// int
// LossModel::writeNsDefinitionScript(FILE * file)
// - outputs ns script format for creating loss models
//----------------------------------------------------------------------
int
LossModel::writeNsDefinitionScript(FILE * file) {
if (!strcmp(name(), "Periodic")) {
fprintf(file, "set loss_model(%d) [new ErrorModel/%s]\n",
number_, label_);
// Connect loss model to edge
fprintf(file, "$ns lossmodel $loss_model(%d) $node(%d) $node(%d)\n", number_,
edge_->src(), edge_->dst());
// Set Properties
fprintf(file, "$loss_model(%d) unit %s\n", number_, loss_unit_);
fprintf(file, "$loss_model(%d) set period_ %f\n", number_, period_);
fprintf(file, "$loss_model(%d) set offset_ %f\n", number_, offset_);
fprintf(file, "$loss_model(%d) set burstlen_ %f\n", number_, burstlen_);
// Set Drop Target
fprintf(file, "$loss_model(%d) drop-target [new Agent/Null]\n", number_);
} else if (!strcmp(name(), "Expo")) {
} else if (!strcmp(name(), "Uniform")) {
fprintf(file, "set loss_model(%d) [new ErrorModel/%s %f %s]\n",
number_, label_, rate_, loss_unit_);
// Connect loss model to edge
fprintf(file, "$ns lossmodel $loss_model(%d) $node(%d) $node(%d)\n", number_,
edge_->src(), edge_->dst());
// Set Drop Target
fprintf(file, "$loss_model(%d) drop-target [new Agent/Null]\n", number_);
} else {
fprintf(stderr, "Unknown loss model %s needs to be implemented.\n", label_);
}
return 0;
}
//----------------------------------------------------------------------
// LossModel::property()
// - return the list of loss model configuration parameters
// (properties) to be shown in the property edit window
//----------------------------------------------------------------------
const char*
LossModel::property() {
static char text[PROPERTY_STRING_LENGTH];
char * property_list;
int total_written = 0;
property_list = text;
total_written = sprintf(text,
"{\"Loss Model: %s %d->%d\" title title \"LossModel %d\"} ",
name(), edge_->src(), edge_->dst(), number_);
if (strcmp(name(), "Periodic") == 0) {
property_list = &text[strlen(text)];
sprintf(property_list, "{\"Period\" period_ text %f} ", period_);
property_list = &text[strlen(text)];
sprintf(property_list, "{\"Offset\" offset_ text %f} ", offset_);
property_list = &text[strlen(text)];
sprintf(property_list, "{\"Burst Length\" burstlen_ text %f} ", burstlen_);
} else if (strcmp(name(), "Expo") == 0) {
} else if (strcmp(name(), "Uniform") == 0) {
property_list = &text[strlen(text)];
sprintf(property_list, "{\"Loss Rate\" rate_ text %f} ", rate_);
}
return(text);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
int LossModel::command(int argc, const char * const * argv) {
int length = strlen(argv[1]);
if (strncmp(argv[1], "setRate", length) == 0) {
setRate(strtod(argv[2],NULL));
} else if (strncmp(argv[1], "setLossUnit", length) == 0) {
setLossUnit(argv[2]);
}
return TCL_OK;
}
//----------------------------------------------------------------------
// void
// LossModel::setLossUnit(const char * unit)
// - sets the loss model's loss unit type (byte, pkt, etc...)
//----------------------------------------------------------------------
void
LossModel::setLossUnit(const char * unit) {
if (loss_unit_) {
delete []loss_unit_;
}
loss_unit_ = new char[strlen(unit) + 1];
strcpy(loss_unit_, unit);
}
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