new name (ealier Standard Radio Medium)
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fros4943
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592
tools/cooja/java/se/sics/cooja/radiomediums/UDGM.java
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592
tools/cooja/java/se/sics/cooja/radiomediums/UDGM.java
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/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: UDGM.java,v 1.1 2007/01/09 09:47:36 fros4943 Exp $
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*/
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package se.sics.cooja.radiomediums;
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import java.awt.*;
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import java.awt.event.*;
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import java.util.*;
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import javax.swing.*;
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import javax.swing.event.*;
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import org.jdom.Element;
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import org.apache.log4j.Logger;
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import se.sics.cooja.*;
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import se.sics.cooja.interfaces.*;
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import se.sics.cooja.plugins.Visualizer2D;
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/**
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* The Unit Disk Graph medium has two different range parameters; one for
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* transmitting and one for interfering other transmissions.
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*
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* Radio data are analysed when all registered motes have ticked once (this
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* medium is registered as a tick observer). For every mote in transmission
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* range of a sending mote, current listen status is changed from hearing
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* nothing to hearing packet, or hearing packet to hearing noise. This way, if a
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* mote hears two packets during one tick loop, it will receive none (noise). If
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* a mote is in the interference range, the current listen status will be set to
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* hears noise immediately.
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*
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* This radio medium registers a temporary visual plugin class.
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* Via this plugin ranges can be viewed and changed. Active connection may also
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* be viewed.
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*
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* @author Fredrik Osterlind
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*/
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@ClassDescription("Unit Disk Graph Medium (UDGM)")
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public class UDGM extends RadioMedium {
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private static Logger logger = Logger.getLogger(UDGM.class);
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private Vector<Position> registeredPositions = new Vector<Position>();
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private Vector<Radio> registeredRadios = new Vector<Radio>();
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private Vector<Radio> transmissionEndedRadios = new Vector<Radio>();
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private static RadioMedium myRadioMedium;
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public static final double SS_NOTHING = -200;
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public static final double SS_BAD = -60;
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public static final double SS_OK = 0;
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/**
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* Visualizes radio traffic in the current radio medium. Allows a user to
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* change transmission ranges.
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*
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* Sending motes are blue, receiving motes are green and motes that hear noise
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* are painted red. Motes without radios are painted gray, and the rest are
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* white.
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*
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* @author Fredrik Osterlind
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*/
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@ClassDescription("Radio Medium Visualizer")
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@PluginType(PluginType.SIM_PLUGIN)
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public static class VisUDGM extends Visualizer2D {
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private Mote selectedMote = null;
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private JSpinner transmissionSpinner = null;
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private JSpinner interferenceSpinner = null;
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private Observer radioMediumObserver;
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private class ChangeRangesMenuAction implements MoteMenuAction {
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public boolean isEnabled(Mote mote) {
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return true;
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}
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public String getDescription(Mote mote) {
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return "Change transmission ranges";
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}
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public void doAction(Mote mote) {
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transmissionSpinner.setVisible(true);
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interferenceSpinner.setVisible(true);
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repaint();
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}
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};
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public VisUDGM(Simulation sim, GUI gui) {
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super(sim, gui);
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setTitle("Radio Medium Visualizer");
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// Create spinners for changing ranges
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SpinnerNumberModel transmissionModel = new SpinnerNumberModel();
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transmissionModel.setValue(new Double(TRANSMITTING_RANGE));
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transmissionModel.setStepSize(new Double(1.0)); // 1m
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transmissionModel.setMinimum(new Double(0.0));
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SpinnerNumberModel interferenceModel = new SpinnerNumberModel();
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interferenceModel.setValue(new Double(INTERFERENCE_RANGE));
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interferenceModel.setStepSize(new Double(1.0)); // 1m
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interferenceModel.setMinimum(new Double(0.0));
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transmissionSpinner = new JSpinner(transmissionModel);
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interferenceSpinner = new JSpinner(interferenceModel);
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((JSpinner.DefaultEditor) transmissionSpinner.getEditor()).getTextField()
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.setColumns(5);
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((JSpinner.DefaultEditor) interferenceSpinner.getEditor()).getTextField()
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.setColumns(5);
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transmissionSpinner.setToolTipText("Transmitting range");
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interferenceSpinner.setToolTipText("Interference range");
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transmissionSpinner.addChangeListener(new ChangeListener() {
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public void stateChanged(ChangeEvent e) {
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TRANSMITTING_RANGE = ((SpinnerNumberModel) transmissionSpinner
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.getModel()).getNumber().doubleValue();
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repaint();
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}
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});
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interferenceSpinner.addChangeListener(new ChangeListener() {
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public void stateChanged(ChangeEvent e) {
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INTERFERENCE_RANGE = ((SpinnerNumberModel) interferenceSpinner
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.getModel()).getNumber().doubleValue();
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repaint();
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}
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});
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getCurrentCanvas().add(transmissionSpinner);
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getCurrentCanvas().add(interferenceSpinner);
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transmissionSpinner.setVisible(false);
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interferenceSpinner.setVisible(false);
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// Add mouse listener for selecting motes
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getCurrentCanvas().addMouseListener(new MouseListener() {
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public void mouseExited(MouseEvent e) {
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// Do nothing
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}
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public void mouseEntered(MouseEvent e) {
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// Do nothing
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}
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public void mouseReleased(MouseEvent e) {
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// Do nothing
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}
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public void mousePressed(MouseEvent e) {
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Vector<Mote> clickedMotes = findMotesAtPosition(e.getX(), e.getY());
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if (clickedMotes == null || clickedMotes.size() == 0) {
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selectedMote = null;
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transmissionSpinner.setVisible(false);
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interferenceSpinner.setVisible(false);
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repaint();
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return;
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}
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// Select one of the clicked motes
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if (clickedMotes.contains(selectedMote)) {
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int pos = clickedMotes.indexOf(selectedMote);
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if (pos < clickedMotes.size() - 1)
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selectedMote = clickedMotes.get(pos + 1);
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else
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selectedMote = clickedMotes.firstElement();
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} else {
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selectedMote = clickedMotes.firstElement();
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}
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repaint();
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}
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public void mouseClicked(MouseEvent e) {
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}
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});
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// Register change ranges action
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addMoteMenuAction(new ChangeRangesMenuAction());
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// Observe our own radio medium
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myRadioMedium
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.addRadioMediumObserver(radioMediumObserver = new Observer() {
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public void update(Observable obs, Object obj) {
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getCurrentCanvas().repaint();
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}
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});
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}
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public void closePlugin() {
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super.closePlugin();
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myRadioMedium.deleteRadioMediumObserver(radioMediumObserver);
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}
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public Color[] getColorOf(Mote mote) {
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Radio moteRadio = mote.getInterfaces().getRadio();
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if (moteRadio == null)
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return new Color[] { Color.GRAY };
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if (selectedMote != null && mote == selectedMote)
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return new Color[] { Color.CYAN };
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if (moteRadio.isTransmitting())
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return new Color[] { Color.BLUE };
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if (moteRadio.isInterfered())
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return new Color[] { Color.RED };
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if (moteRadio.isReceiving())
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return new Color[] { Color.GREEN };
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return new Color[] { Color.WHITE };
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}
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public void visualizeSimulation(Graphics g) {
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// Paint transmission+interference areas for selected mote (if any)
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if (selectedMote != null) {
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Position motePos = selectedMote.getInterfaces().getPosition();
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Point pixelCoord = transformPositionToPixel(motePos);
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int x = pixelCoord.x;
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int y = pixelCoord.y;
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// Fetch current output power indicator (scale with as percent)
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// TODO Probably not the best way to use indicator
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double moteInterferenceRange = INTERFERENCE_RANGE
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* (0.01 * (double) selectedMote.getInterfaces().getRadio()
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.getCurrentOutputPowerIndicator());
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double moteTransmissionRange = TRANSMITTING_RANGE
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* (0.01 * (double) selectedMote.getInterfaces().getRadio()
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.getCurrentOutputPowerIndicator());
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Point translatedZero = transformPositionToPixel(0.0, 0.0, 0.0);
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Point translatedInterference = transformPositionToPixel(
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moteInterferenceRange, moteInterferenceRange, 0.0);
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Point translatedTransmission = transformPositionToPixel(
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moteTransmissionRange, moteTransmissionRange, 0.0);
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translatedInterference.x = Math.abs(translatedInterference.x
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- translatedZero.x);
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translatedInterference.y = Math.abs(translatedInterference.y
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- translatedZero.y);
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translatedTransmission.x = Math.abs(translatedTransmission.x
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- translatedZero.x);
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translatedTransmission.y = Math.abs(translatedTransmission.y
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- translatedZero.y);
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// Interference
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g.setColor(Color.DARK_GRAY);
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g.fillOval(x - translatedInterference.x, y - translatedInterference.y,
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2 * translatedInterference.x, 2 * translatedInterference.y);
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// Transmission
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g.setColor(Color.GREEN);
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g.fillOval(x - translatedTransmission.x, y - translatedTransmission.y,
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2 * translatedTransmission.x, 2 * translatedTransmission.y);
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}
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// Let parent paint motes
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super.visualizeSimulation(g);
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// Paint last tick connections
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if (myRadioMedium != null
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&& myRadioMedium.getLastTickConnections() != null) {
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for (RadioConnection conn : myRadioMedium.getLastTickConnections()) {
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if (conn != null) {
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Point sourcePoint = transformPositionToPixel(conn
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.getSourcePosition());
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// Paint destinations
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for (Position destPos : conn.getDestinationPositons()) {
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Point destPoint = transformPositionToPixel(destPos);
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g.setColor(Color.BLACK);
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g
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.drawLine(sourcePoint.x, sourcePoint.y, destPoint.x,
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destPoint.y);
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}
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}
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}
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}
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}
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}
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public UDGM(Simulation simulation) {
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// Register this radio medium's plugins
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simulation.getGUI().registerTemporaryPlugin(VisUDGM.class);
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myRadioMedium = this;
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}
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private boolean isTickObserver = false;
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// Maximum ranges (SS indicator 100)
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private static double TRANSMITTING_RANGE = 50;
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private static double INTERFERENCE_RANGE = 100;
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private class RadioMediumObservable extends Observable {
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private void setRadioMediumChanged() {
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setChanged();
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}
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}
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private RadioMediumObservable radioMediumObservable = new RadioMediumObservable();
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private RadioConnection[] lastTickConnections = null;
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private Vector<RadioConnection> pendingConnections = new Vector<RadioConnection>();
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private ConnectionLogger myLogger = null;
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private Observer radioDataObserver = new Observer() {
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public void update(Observable radio, Object obj) {
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// This radio changed, let tick loop notify observers
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radioMediumObservable.setRadioMediumChanged();
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// Register any new transmission
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if (((Radio) radio).getLastEvent() == Radio.RadioEvent.TRANSMISSION_STARTED) {
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Radio sendingRadio = (Radio) radio;
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// If obj is the position, use it directly (speeds up things)
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// Otherwise we must search for the position ourselves
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Position sendingPosition = (Position) obj;
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if (sendingPosition == null) {
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if (!registeredRadios.contains(radio)) {
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logger.fatal("Sending radio not registered, skipping packet");
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return;
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}
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sendingPosition = registeredPositions.get(registeredRadios
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.indexOf(radio));
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if (sendingPosition == null) {
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logger.fatal("Sending radio not registered, skipping packet");
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return;
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}
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}
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byte[] dataToSend = sendingRadio.getLastPacketTransmitted();
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RadioConnection newConnection = new RadioConnection();
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pendingConnections.add(newConnection);
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newConnection.setSource(sendingRadio, sendingPosition, dataToSend);
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// Fetch current output power indicator (scale with as percent)
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// TODO Probably not the best way to use indicator
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double moteInterferenceRange = INTERFERENCE_RANGE
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* (0.01 * (double) sendingRadio.getCurrentOutputPowerIndicator());
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double moteTransmissionRange = TRANSMITTING_RANGE
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* (0.01 * (double) sendingRadio.getCurrentOutputPowerIndicator());
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// Loop through all radios that are listening
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for (int listenNr = 0; listenNr < registeredPositions.size(); listenNr++) {
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Radio listeningRadio = registeredRadios.get(listenNr);
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if (sendingRadio == listeningRadio)
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continue;
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if (sendingRadio.getChannel() != listeningRadio.getChannel())
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continue;
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// If not the sending radio..
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double distance = sendingPosition.getDistanceTo(registeredPositions
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.get(listenNr));
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if (distance <= moteTransmissionRange) {
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newConnection.addDestination(registeredRadios.get(listenNr),
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registeredPositions.get(listenNr), dataToSend);
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// If close enough to transmit ok..
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if (listeningRadio.isReceiving() || listeningRadio.isInterfered()) {
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// .. but listening radio already received a packet
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listeningRadio.interferReception(sendingRadio
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.getTransmissionEndTime());
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listeningRadio.setCurrentSignalStrength(SS_BAD);
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} else {
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// .. send packet
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listeningRadio.receivePacket(dataToSend, sendingRadio
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.getTransmissionEndTime());
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listeningRadio.setCurrentSignalStrength(SS_OK);
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}
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} else if (distance <= moteInterferenceRange) {
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// If close enough to sabotage other transmissions..
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listeningRadio.interferReception(sendingRadio
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.getTransmissionEndTime());
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listeningRadio.setCurrentSignalStrength(SS_BAD);
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}
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// else too far away
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}
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}
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if (((Radio) radio).getLastEvent() == Radio.RadioEvent.TRANSMISSION_FINISHED) {
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transmissionEndedRadios.add((Radio) radio);
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}
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}
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};
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private Observer tickObserver = new Observer() {
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public void update(Observable obs, Object obj) {
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if (lastTickConnections != null)
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radioMediumObservable.setRadioMediumChanged();
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// Reset last tick connections
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lastTickConnections = null;
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// Log finished connections if any
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Vector<RadioConnection> updatedPendingConnections = new Vector<RadioConnection>();
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if (transmissionEndedRadios.size() > 0) {
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final int numberFinished = transmissionEndedRadios.size();
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Vector<RadioConnection> newTickConnections = new Vector<RadioConnection>();
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// Loop through all radios that finished transmitting data
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for (int recvNr = 0; recvNr < numberFinished; recvNr++) {
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Radio transmittingRadio = transmissionEndedRadios.get(recvNr);
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for (RadioConnection pendingConnection : pendingConnections) {
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// Log finished connection
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if (pendingConnection.getSourceRadio() == transmittingRadio) {
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for (Radio destRadio : pendingConnection.getDestinationRadios()) {
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if (destRadio.getLastEvent() != Radio.RadioEvent.RECEPTION_FINISHED) {
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// Radio was interfered
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pendingConnection.removeDestination(destRadio);
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}
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}
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newTickConnections.add(pendingConnection);
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}
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// Remove connection if old (don't keep)
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if (pendingConnection.getSourceRadio().isTransmitting()) {
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updatedPendingConnections.add(pendingConnection);
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}
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}
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}
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lastTickConnections = new RadioConnection[newTickConnections.size()];
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for (int i = 0; i < lastTickConnections.length; i++)
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lastTickConnections[i] = newTickConnections.get(i);
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transmissionEndedRadios.clear();
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pendingConnections = updatedPendingConnections;
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if (myLogger != null) {
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for (RadioConnection conn : lastTickConnections)
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myLogger.logConnection(conn);
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}
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// Radio medium has changed, notifing below
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radioMediumObservable.setRadioMediumChanged();
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}
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// Set signal strengths on all radios
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for (Radio radio : registeredRadios) {
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if (radio.isTransmitting())
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radio.setCurrentSignalStrength(SS_OK);
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else if (radio.isReceiving())
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radio.setCurrentSignalStrength(SS_OK);
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||||
else if (radio.isInterfered())
|
||||
radio.setCurrentSignalStrength(SS_BAD);
|
||||
else
|
||||
radio.setCurrentSignalStrength(SS_NOTHING);
|
||||
}
|
||||
|
||||
// Notify observers (if anything has changed)
|
||||
radioMediumObservable.notifyObservers();
|
||||
}
|
||||
};
|
||||
|
||||
public void registerMote(Mote mote, Simulation sim) {
|
||||
registerRadioInterface(mote.getInterfaces().getRadio(), mote
|
||||
.getInterfaces().getPosition(), sim);
|
||||
}
|
||||
|
||||
public void unregisterMote(Mote mote, Simulation sim) {
|
||||
unregisterRadioInterface(mote.getInterfaces().getRadio(), sim);
|
||||
}
|
||||
|
||||
public void registerRadioInterface(Radio radio, Position position,
|
||||
Simulation sim) {
|
||||
if (radio != null && position != null) {
|
||||
if (!isTickObserver) {
|
||||
sim.addTickObserver(tickObserver);
|
||||
isTickObserver = true;
|
||||
}
|
||||
|
||||
registeredPositions.add(position);
|
||||
registeredRadios.add(radio);
|
||||
radio.addObserver(radioDataObserver);
|
||||
|
||||
// Set initial signal strenth
|
||||
radio.setCurrentSignalStrength(SS_NOTHING);
|
||||
|
||||
} // else logger.warn("Radio Medium not registering mote");
|
||||
}
|
||||
|
||||
public void unregisterRadioInterface(Radio radio, Simulation sim) {
|
||||
for (int i = 0; i < registeredRadios.size(); i++) {
|
||||
if (registeredRadios.get(i).equals(radio)) {
|
||||
registeredRadios.remove(i);
|
||||
registeredPositions.remove(i);
|
||||
radio.deleteObserver(radioDataObserver);
|
||||
return;
|
||||
}
|
||||
}
|
||||
logger.warn("Could not find radio: " + radio + " to unregister");
|
||||
}
|
||||
|
||||
public void addRadioMediumObserver(Observer observer) {
|
||||
radioMediumObservable.addObserver(observer);
|
||||
}
|
||||
|
||||
public Observable getRadioMediumObservable() {
|
||||
return radioMediumObservable;
|
||||
}
|
||||
|
||||
public void deleteRadioMediumObserver(Observer observer) {
|
||||
radioMediumObservable.deleteObserver(observer);
|
||||
}
|
||||
|
||||
public RadioConnection[] getLastTickConnections() {
|
||||
return lastTickConnections;
|
||||
}
|
||||
|
||||
public void setConnectionLogger(ConnectionLogger connection) {
|
||||
myLogger = connection;
|
||||
}
|
||||
|
||||
public Collection<Element> getConfigXML() {
|
||||
Vector<Element> config = new Vector<Element>();
|
||||
Element element;
|
||||
|
||||
// Transmitting range
|
||||
element = new Element("transmitting_range");
|
||||
element.setText(Double.toString(TRANSMITTING_RANGE));
|
||||
config.add(element);
|
||||
|
||||
// Interference range
|
||||
element = new Element("interference_range");
|
||||
element.setText(Double.toString(INTERFERENCE_RANGE));
|
||||
config.add(element);
|
||||
|
||||
return config;
|
||||
}
|
||||
|
||||
public boolean setConfigXML(Collection<Element> configXML, boolean visAvailable) {
|
||||
for (Element element : configXML) {
|
||||
if (element.getName().equals("transmitting_range")) {
|
||||
TRANSMITTING_RANGE = Double.parseDouble(element.getText());
|
||||
}
|
||||
|
||||
if (element.getName().equals("interference_range")) {
|
||||
INTERFERENCE_RANGE = Double.parseDouble(element.getText());
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in a new issue