/*
* 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 "psview.h"
#include "node.h"
#include "feature.h"
#include "agent.h"
#include "edge.h"
#include "paint.h"
#include "monitor.h"
#include "sincos.h"
#include "trafficsource.h"
#define PROPERTY_STRING_LENGTH 256
static int g_trafficsource_number = 1;
//----------------------------------------------------------------------
// Wrapper for creating Traffic Sources in OTcl
//----------------------------------------------------------------------
static class TrafficSourceClass : public TclClass {
public:
TrafficSourceClass() : TclClass("TrafficSource") {}
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 TrafficSource(type, id, size));
}
} class_trafficsource;
//----------------------------------------------------------------------
// TrafficSource::TrafficSource(const char* type, double _size)
//----------------------------------------------------------------------
TrafficSource::TrafficSource(const char* type, int id, double _size) :
Animation(0, 0) {
setDefaults();
number_ = id;
if (g_trafficsource_number++ <= id) {
g_trafficsource_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);
}
//----------------------------------------------------------------------
// TrafficSource::TrafficSource(const char* name, double size)
//----------------------------------------------------------------------
TrafficSource::TrafficSource(const char* name, double _size) :
Animation(0, 0) {
setDefaults();
number_ = g_trafficsource_number;
g_trafficsource_number++;
width_ = 50.0 * strlen(name);
height_ = size_/2.0;
size_ = _size;
label_ = new char[strlen(name) + 1];
strcpy(label_, name);
size(_size);
timelist.add(0.0);
timelist.add(60.0);
// Bind tcl variables to c++ ones
// bind("start_", &start_);
// bind("stop_", &stop_);
// bind("packet_size_", &packet_size_);
// bind("interval_", &interval_);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void
TrafficSource::setDefaults() {
previous_ = NULL;
next_ = NULL;
editornetmodel_next_ = NULL;
agent_ = NULL;
packet_size_ = 500;
interval_ = 0.00195;
// Exponential & Pareto
burst_time_ = 500;
idle_time_ = 500;
rate_ = 100;
// Pareto
shape_ = 1.5;
x_ = 0.0;
y_ = 0.0;
angle_ = NO_ANGLE;
window_ = 20;
windowInit_ = 1;
maxcwnd_ = 0;
color_ = "green";
anchor_ = 0;
paint_ = Paint::instance()->thin();
maxpkts_ = 256;
}
//----------------------------------------------------------------------
// void
// TrafficSource::attach(Agent * agent)
// - Attach this traffic source to an agents list of traffic sources
//----------------------------------------------------------------------
void
TrafficSource::attachTo(Agent * agent) {
agent_ = agent;
previous_ = agent_->addTrafficSource(this);
size(agent_->size());
place();
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void
TrafficSource::removeFromAgent() {
// previous_ should be NULL for the first traffic source
// attached to the agent
agent_->removeTrafficSource(this);
next_ = NULL;
previous_ = NULL;
agent_ = NULL;
}
//----------------------------------------------------------------------
// double
// TrafficSource::distance(double x, double y) const {
//----------------------------------------------------------------------
double
TrafficSource::distance(double x, double y) const {
return sqrt((x_-x)*(x_-x) + (y_-y)*(y_-y));
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void
TrafficSource::color(const char * name) {
if (color_) {
delete []color_;
}
color_ = new char[strlen(name) + 1];
strcpy(color_, name);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void TrafficSource::size(double s) {
size_ = s;
width_ = 10.0 + 25.0*strlen(label_);
height_ = s/2.0;
update_bb();
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void TrafficSource::update_bb() {
bb_.xmin = x_;
bb_.ymin = y_;
bb_.xmax = x_ + width_;
bb_.ymax = y_ + height_;
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void TrafficSource::label(const char* name) {
if (label_) {
delete label_;
}
label_ = new char[strlen(name) + 1];
strcpy(label_, name);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void TrafficSource::drawlabel(View* view) const {
// Check out anchor
if (label_) {
view->string(x_, y_, size_, label_, anchor_);
}
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
//void TrafficSource::drawlabel(PSView* nv) const {
// if (label_)
// nv->string(x_, y_, size_, label_, anchor_);
//}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void TrafficSource::reset(double) {
paint_ = Paint::instance()->thick();
}
//----------------------------------------------------------------------
// void
// TrafficSource::place()
// - place the traffic source in relation to the agent to
// which it is attached.
//----------------------------------------------------------------------
void
TrafficSource::place() {
if (previous_) {
placeNextTo(previous_);
} else {
placeOnAgent();
}
}
//----------------------------------------------------------------------
// void
// TrafficSource::placeNextTo(TrafficSource * neighbor)
// - Place this traffic source to the right of its neighbor
//----------------------------------------------------------------------
void
TrafficSource::placeNextTo(TrafficSource * neighbor) {
if (neighbor) {
x_ = neighbor->x() + neighbor->width();
y_ = neighbor->y();
update_bb();
}
}
//----------------------------------------------------------------------
// void
// TrafficSource::placeOnAgent()
// - Place this traffic source on top of the Agent
//----------------------------------------------------------------------
void
TrafficSource::placeOnAgent() {
if (agent_) {
x_ = agent_->x();
y_ = agent_->y() + agent_->height(); // Agent scales it's height,
// It's messy but works
update_bb();
}
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
const char* TrafficSource::info() const {
static char text[128];
sprintf(text, "TrafficSource: %s \nAttached to Agent: %s-%d",
label_, agent_->name(), agent_->number());
return (text);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
double
TrafficSource::stopAt() {
return timelist.lastStopTime();
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
const char* TrafficSource::getname() const
{
static char text[128];
sprintf(text, "a %s", label_);
return (text);
}
//----------------------------------------------------------------------
// int
// TrafficSource::inside(double, float px, float py) const
// - Check to see if point (px, py) is within the Traffic Source box
//----------------------------------------------------------------------
int
TrafficSource::inside(double, float px, float py) const {
return (px >= x_ &&
px <= (x_ + width_) &&
py >= y_ &&
py <= (y_ + height_));
}
//----------------------------------------------------------------------
// void
// TrafficSource::draw(View * view, double ) const
// - Draw the Traffic Source on top of its parent agent and
// after the other traffic sources before it
//----------------------------------------------------------------------
void
TrafficSource::draw(View * view, double time) {
double label_width, label_height, label_x, label_y;
int paint_color_id;
static char full_label[128];
// Draw label centered inside of border
if (label_) {
//sprintf(full_label, "%s - %d", label_, number_);
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
if (timelist.isOn(time)) {
paint_color_id = Paint::instance()->lookup("darkgreen", 3);
if (paint_color_id >= 0) {
view->rect(x_, y_, x_ + width_, y_ + height_, paint_color_id);
}
} else {
view->rect(x_, y_, x_ + width_, y_ + height_ , paint_);
}
}
//----------------------------------------------------------------------
// int
// TrafficSource::writeNsDefinitionScript(FILE * file)
// - outputs ns script format for creating traffic sources
// - This only outputs the intialization part for the trafficsource
// and attaches it to the agent, more dynamic control of the
// agent is outputed by int TrafficSource::writeNsActionScript
//----------------------------------------------------------------------
int
TrafficSource::writeNsDefinitionScript(FILE * file) {
// CBR traffic source has a slightly different syntax
if (!strcmp(name(), "CBR")) {
fprintf(file, "set traffic_source(%d) [new Application/Traffic/%s]\n",
number_, label_);
fprintf(file, "$traffic_source(%d) attach-agent $agent(%d)\n",
number_, agent_->number());
// fprintf(file, "$traffic_source(%d) set packetSize_ %d\n",
// number_, packet_size_);
fprintf(file, "$traffic_source(%d) set interval_ %f\n",
number_, interval_);
} else if (!strcmp(name(), "Exponential")) {
fprintf(file, "set traffic_source(%d) [new Application/Traffic/%s]\n",
number_, label_);
fprintf(file, "$traffic_source(%d) attach-agent $agent(%d)\n",
number_, agent_->number());
// fprintf(file, "$traffic_source(%d) set packetSize_ %d\n",
// number_, packet_size_);
fprintf(file, "$traffic_source(%d) set burst_time_ %dms\n",
number_, burst_time_);
fprintf(file, "$traffic_source(%d) set idle_time_ %dms\n",
number_, idle_time_);
fprintf(file, "$traffic_source(%d) set rate_ %dk\n",
number_, rate_);
} else if (!strcmp(name(), "FTP")) {
fprintf(file, "set traffic_source(%d) [new Application/%s]\n",
number_, label_);
fprintf(file, "$traffic_source(%d) attach-agent $agent(%d)\n",
number_, agent_->number());
fprintf(file, "$traffic_source(%d) set maxpkts_ %d\n",
number_, maxpkts_);
} else if (!strcmp(name(), "Pareto")) {
fprintf(file, "set traffic_source(%d) [new Application/Traffic/%s]\n",
number_, label_);
fprintf(file, "$traffic_source(%d) attach-agent $agent(%d)\n",
number_, agent_->number());
// fprintf(file, "$traffic_source(%d) set packetSize_ %d\n",
// number_, packet_size_);
fprintf(file, "$traffic_source(%d) set burst_time_ %dms\n",
number_, burst_time_);
fprintf(file, "$traffic_source(%d) set idle_time_ %dms\n",
number_, idle_time_);
fprintf(file, "$traffic_source(%d) set rate_ %dk\n",
number_, rate_);
fprintf(file, "$traffic_source(%d) set shape_ %f\n",
number_, shape_);
} else if (!strcmp(name(), "Telnet")) {
fprintf(file, "set traffic_source(%d) [new Application/%s]\n",
number_, label_);
fprintf(file, "$traffic_source(%d) attach-agent $agent(%d)\n",
number_, agent_->number());
fprintf(file, "$traffic_source(%d) set interval_ %f\n",
number_, interval_);
}
return 0;
}
//----------------------------------------------------------------------
// int
// TrafficSource::writeNsActionScript(FILE * file)
//----------------------------------------------------------------------
int
TrafficSource::writeNsActionScript(FILE *file) {
TimeElement * time;
bool start = true;
// if (!strcmp(name(), "CBR")) {
for (time = timelist.head(); time; time = time->next_) {
if (start) {
fprintf(file, "$ns at %f \"$traffic_source(%d) start\"\n",
time->time_, number_);
start = false;
} else {
fprintf(file, "$ns at %f \"$traffic_source(%d) stop\"\n\n",
time->time_, number_);
start = true;
}
}
// } else if (!strcmp(name(), "FTP")) {
// for (time = timelist.head(); time; time = time->next_) {
// if (start) {
// fprintf(file, "$ns at %f \"$traffic_source(%d) start\"\n",
// time->time_, number_);
// start = false;
// } else {
// fprintf(file, "$ns at %f \"$traffic_source(%d) stop\"\n\n",
// time->time_, number_);
// start = true;
// }
// }
// }
return 0;
}
//----------------------------------------------------------------------
//
//----------------------------------------------------------------------
int TrafficSource::saveAsEnam(FILE *file) {
return 0;
}
//----------------------------------------------------------------------
// TrafficSource::property()
// - return the list of traffic source configuration parameters
// (properties) to be shown in the property edit window
//----------------------------------------------------------------------
const char*
TrafficSource::property() {
static char text[PROPERTY_STRING_LENGTH];
char timelist_string[200];
char * property_list;
int total_written = 0;
property_list = text;
total_written = sprintf(text,
"{\"Traffic Source %s %d\" title title \"TrafficSource %d\"} ",
name(), number_, number_);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Agent %s\" agent_name label } ", agent_->name());
// ---- CBR -> Constant Bit Rate
if (strcmp(name(), "CBR") == 0) {
timelist.getListString(timelist_string, 200);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Start/Stop Time\" timelist timelist {%s}} ",
timelist_string);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Interval\" interval_ text %f} ", interval_);
// ---- Exponential
} else if (!strcmp(name(), "Exponential")) { // strcmp returns 0 when equal
timelist.getListString(timelist_string, 200);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Start/Stop Time\" timelist timelist {%s}} ",
timelist_string);
// --- Why Packet size for both traffic generators and agents?
// property_list = &text[strlen(text)];
// total_written += sprintf(property_list,
// "{\"Interval\" packet_size_ text %d} ", packet_size_);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Burst Time (ms)\" burst_time_ text %d} ", burst_time_);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Idle Time (ms)\" idle_time_ text %d} ", idle_time_);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Rate (k)\" rate_ text %d} ", rate_);
// ---- FTP
} else if (!strcmp(name(), "FTP")) { // strcmp returns 0 when equal
timelist.getListString(timelist_string, 200);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Start/Stop Time\" timelist timelist {%s}} ",
timelist_string);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Maximum Number of Packets to Send\" maxpkts_ text %d} ", maxpkts_);
// ---- Pareto
} else if (!strcmp(name(), "Pareto")) { // strcmp returns 0 when equal
timelist.getListString(timelist_string, 200);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Start/Stop Time\" timelist timelist {%s}} ",
timelist_string);
// --- Why Packet size for both traffic generators and agents?
// property_list = &text[strlen(text)];
// total_written += sprintf(property_list,
// "{\"Interval\" packet_size_ text %d} ", packet_size_);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Burst Time (ms)\" burst_time_ text %d} ", burst_time_);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Idle Time (ms)\" idle_time_ text %d} ", idle_time_);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Rate (k)\" rate_ text %d} ", rate_);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Shape\" shape_ text %f} ", shape_);
// ---- Telnet
} else if (!strcmp(name(), "Telnet")) { // strcmp returns 0 when equal
timelist.getListString(timelist_string, 200);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Start/Stop Time\" timelist timelist {%s}} ",
timelist_string);
property_list = &text[strlen(text)];
total_written += sprintf(property_list,
"{\"Exponetial Distribution Interval\" interval_ text %f} ", interval_);
}
return(text);
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
TimeList::TimeList(double time) {
head_ = NULL;
add(time);
}
//----------------------------------------------------------------------
// TimeList::~TimeList()
// - deletes the remaining part of the list
//----------------------------------------------------------------------
TimeList::~TimeList() {
clear();
}
//----------------------------------------------------------------------
// void
// TimeList::clear() {
// - deletes all items on the list
//----------------------------------------------------------------------
void
TimeList::clear() {
TimeElement * run;
for (run = head_->next_; run; run = run->next_) {
delete head_;
head_ = run;
}
if (head_) {
delete head_;
}
head_ = NULL;
}
//----------------------------------------------------------------------
// TimeList *
// TimeList::add(double time)
// - adds a new time value to the list which is
// sorted in ascending order
//----------------------------------------------------------------------
void
TimeList::add(double time) {
TimeElement * new_time, * run, * previous;
if (!head_) {
// First element on list
head_ = new TimeElement(time);
} else {
// Have to place down on list
previous = NULL;
run = head_;
for (run = head_; run; run = run->next_) {
if (time == run->time_) {
// No duplicate times allowed
break;
} else if (time < run->time_) {
if (previous) {
// Place in middle of list
new_time = new TimeElement(time);
new_time->next_ = run;
previous->next_ = new_time;
} else {
// Add to front of list
new_time = new TimeElement(time);
new_time->next_ = head_;
head_ = new_time;
}
break;
}
previous = run;
}
if (!run) {
// We ran to the end of the list and couldn't place
// the new time so we have to place it at the end
previous->next_ = new TimeElement(time);
}
}
}
//----------------------------------------------------------------------
// TimeList *
// TimeList::remove(double time)
// - removes time from the list
//----------------------------------------------------------------------
void
TimeList::remove(double time) {
TimeElement * run, * previous;
previous = NULL;
for (run = head_; run; run = run->next_) {
if (run->time_ == time) {
if (previous) {
previous->next_ = run->next_;
delete run;
} else {
// Element is at the front of the list
head_ = run->next_;
}
break;
}
previous = run;
}
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
void
TimeList::setList(const char * list_string) {
const char *run;
char *next;
double time;
// Erase all items on the list
clear();
// Run down the list string and add values to the list
run = list_string;
while (run) {
time = strtod(run, &next);
if (run != next) {
add(time);
} else {
break;
}
run = next;
}
}
//----------------------------------------------------------------------
// void
// TimeList::getListString(char * buffer, int buffer_size)
// - fills buffer with a space delimited list of all values on the
// time list sorted in ascending order
//
// - the returned list should be freed when it is not needed anymore
//----------------------------------------------------------------------
void
TimeList::getListString(char * buffer, int buffer_size) {
int total_written, just_written;
TimeElement * run;
total_written = 1; // Need space for the /0 character
for (run = head_; run; run = run->next_) {
just_written = sprintf(buffer,
"%f ", run->time_);
if (just_written == -1) {
fprintf(stderr, "Ran out of buffer space when creating time list string\n");
break;
}
//Advance buffer pointer past written characters
buffer += just_written;
total_written += just_written;
}
}
//----------------------------------------------------------------------
// bool
// TimeList::isOn(double time)
// - checks the timelist to see if time falls between a
// start-stop period or a stop-start period
// - if it is start-stop the object should be on so it will return
// true. Otherwise the object is off and will return false.
//----------------------------------------------------------------------
bool
TimeList::isOn(double time) {
TimeElement * element;
bool on = false;
for (element = head(); element; element = element->next_) {
if (time < element->time_) {
break;
}
if (on) {
on = false;
} else {
on = true;
}
}
return on;
}
//----------------------------------------------------------------------
//
//----------------------------------------------------------------------
double
TimeList::lastStopTime() {
TimeElement * element;
double stop_time = 0.0;
bool start = true;
for (element = head(); element; element = element->next_) {
if (start) {
start = false;
} else {
stop_time = element->time_;
start = true;
}
}
return stop_time;
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
TimeElement::TimeElement(double time) {
next_ = NULL;
time_ = time;
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
TimeElement::~TimeElement() {
next_ = NULL;
}
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