1149 lines
31 KiB
Java
1149 lines
31 KiB
Java
/*
|
|
* Copyright (c) 2009, Swedish Institute of Computer Science. 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. Neither the name of the
|
|
* Institute nor the names of its contributors may be used to endorse or promote
|
|
* products derived from this software without specific prior written
|
|
* permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
|
|
*
|
|
*/
|
|
|
|
package org.contikios.cooja;
|
|
|
|
import java.util.ArrayDeque;
|
|
import java.util.ArrayList;
|
|
import java.util.Collection;
|
|
import java.util.Observable;
|
|
import java.util.Observer;
|
|
import java.util.Random;
|
|
import java.util.Vector;
|
|
|
|
import javax.swing.JOptionPane;
|
|
|
|
import org.apache.log4j.Logger;
|
|
import org.jdom.Element;
|
|
|
|
import org.contikios.cooja.dialogs.CreateSimDialog;
|
|
|
|
/**
|
|
* A simulation consists of a number of motes and mote types.
|
|
*
|
|
* A simulation is observable:
|
|
* changed simulation state, added or deleted motes etc are observed.
|
|
* To track mote changes, observe the mote (interfaces) itself.
|
|
*
|
|
* @author Fredrik Osterlind
|
|
*/
|
|
public class Simulation extends Observable implements Runnable {
|
|
public static final long MICROSECOND = 1L;
|
|
public static final long MILLISECOND = 1000*MICROSECOND;
|
|
|
|
/*private static long EVENT_COUNTER = 0;*/
|
|
|
|
private Vector<Mote> motes = new Vector<Mote>();
|
|
private Vector<Mote> motesUninit = new Vector<Mote>();
|
|
|
|
private Vector<MoteType> moteTypes = new Vector<MoteType>();
|
|
|
|
/* If true, run simulation at full speed */
|
|
private boolean speedLimitNone = true;
|
|
/* Limit simulation speed to maxSpeed; if maxSpeed is 1.0 simulation is run at real-time speed */
|
|
private double speedLimit;
|
|
/* Used to restrict simulation speed */
|
|
private long speedLimitLastSimtime;
|
|
private long speedLimitLastRealtime;
|
|
|
|
private long currentSimulationTime = 0;
|
|
|
|
private String title = null;
|
|
|
|
private RadioMedium currentRadioMedium = null;
|
|
|
|
private static Logger logger = Logger.getLogger(Simulation.class);
|
|
|
|
private boolean isRunning = false;
|
|
|
|
private boolean stopSimulation = false;
|
|
|
|
private Thread simulationThread = null;
|
|
|
|
private Cooja cooja = null;
|
|
|
|
private long randomSeed = 123456;
|
|
|
|
private boolean randomSeedGenerated = false;
|
|
|
|
private long maxMoteStartupDelay = 1000*MILLISECOND;
|
|
|
|
private Random randomGenerator = new Random();
|
|
|
|
private boolean hasMillisecondObservers = false;
|
|
private MillisecondObservable millisecondObservable = new MillisecondObservable();
|
|
private class MillisecondObservable extends Observable {
|
|
private void newMillisecond(long time) {
|
|
setChanged();
|
|
notifyObservers(time);
|
|
}
|
|
}
|
|
|
|
/* Event queue */
|
|
private EventQueue eventQueue = new EventQueue();
|
|
|
|
/* Poll requests */
|
|
private boolean hasPollRequests = false;
|
|
private ArrayDeque<Runnable> pollRequests = new ArrayDeque<Runnable>();
|
|
|
|
|
|
/**
|
|
* Request poll from simulation thread.
|
|
* Poll requests are prioritized over simulation events, and are
|
|
* executed between each simulation event.
|
|
*
|
|
* @param r Simulation thread action
|
|
*/
|
|
public void invokeSimulationThread(Runnable r) {
|
|
synchronized (pollRequests) {
|
|
pollRequests.addLast(r);
|
|
hasPollRequests = true;
|
|
}
|
|
}
|
|
|
|
private Runnable popSimulationInvokes() {
|
|
Runnable r;
|
|
synchronized (pollRequests) {
|
|
r = pollRequests.pop();
|
|
hasPollRequests = !pollRequests.isEmpty();
|
|
}
|
|
return r;
|
|
}
|
|
|
|
/**
|
|
* Add millisecond observer.
|
|
* This observer is notified once every simulated millisecond.
|
|
*
|
|
* @see #deleteMillisecondObserver(Observer)
|
|
* @param newObserver Observer
|
|
*/
|
|
public void addMillisecondObserver(Observer newObserver) {
|
|
millisecondObservable.addObserver(newObserver);
|
|
hasMillisecondObservers = true;
|
|
|
|
invokeSimulationThread(new Runnable() {
|
|
public void run() {
|
|
if (!millisecondEvent.isScheduled()) {
|
|
scheduleEvent(
|
|
millisecondEvent,
|
|
currentSimulationTime - (currentSimulationTime % MILLISECOND) + MILLISECOND);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Delete millisecond observer.
|
|
*
|
|
* @see #addMillisecondObserver(Observer)
|
|
* @param observer Observer to delete
|
|
*/
|
|
public void deleteMillisecondObserver(Observer observer) {
|
|
millisecondObservable.deleteObserver(observer);
|
|
hasMillisecondObservers = millisecondObservable.countObservers() > 0;
|
|
}
|
|
|
|
/**
|
|
* @return True iff current thread is the simulation thread
|
|
*/
|
|
public boolean isSimulationThread() {
|
|
return simulationThread == Thread.currentThread();
|
|
}
|
|
|
|
/**
|
|
* Schedule simulation event for given time.
|
|
* Already scheduled events must be removed before they are rescheduled.
|
|
*
|
|
* If the simulation is running, this method may only be called from the simulation thread.
|
|
*
|
|
* @see #invokeSimulationThread(Runnable)
|
|
*
|
|
* @param e Event
|
|
* @param time Execution time
|
|
*/
|
|
public void scheduleEvent(final TimeEvent e, final long time) {
|
|
if (isRunning) {
|
|
/* TODO Strict scheduling from simulation thread */
|
|
assert isSimulationThread() : "Scheduling event from non-simulation thread: " + e;
|
|
}
|
|
eventQueue.addEvent(e, time);
|
|
}
|
|
|
|
private TimeEvent delayEvent = new TimeEvent(0) {
|
|
public void execute(long t) {
|
|
if (speedLimitNone) {
|
|
/* As fast as possible: no need to reschedule delay event */
|
|
return;
|
|
}
|
|
|
|
long diffSimtime = (getSimulationTime() - speedLimitLastSimtime)/1000; /* ms */
|
|
long diffRealtime = System.currentTimeMillis() - speedLimitLastRealtime; /* ms */
|
|
long expectedDiffRealtime = (long) (diffSimtime/speedLimit);
|
|
long sleep = expectedDiffRealtime - diffRealtime;
|
|
if (sleep >= 0) {
|
|
/* Slow down simulation */
|
|
try {
|
|
Thread.sleep(sleep);
|
|
} catch (InterruptedException e) {
|
|
}
|
|
scheduleEvent(this, t+MILLISECOND);
|
|
} else {
|
|
/* Reduce slow-down: execute this delay event less often */
|
|
scheduleEvent(this, t-sleep*MILLISECOND);
|
|
}
|
|
|
|
/* Update counters every second */
|
|
if (diffRealtime > 1000) {
|
|
speedLimitLastRealtime = System.currentTimeMillis();
|
|
speedLimitLastSimtime = getSimulationTime();
|
|
}
|
|
}
|
|
public String toString() {
|
|
return "DELAY";
|
|
}
|
|
};
|
|
|
|
private TimeEvent millisecondEvent = new TimeEvent(0) {
|
|
public void execute(long t) {
|
|
if (!hasMillisecondObservers) {
|
|
return;
|
|
}
|
|
|
|
millisecondObservable.newMillisecond(getSimulationTime());
|
|
scheduleEvent(this, t+MILLISECOND);
|
|
}
|
|
public String toString() {
|
|
return "MILLISECOND: " + millisecondObservable.countObservers();
|
|
}
|
|
};
|
|
|
|
public void clearEvents() {
|
|
eventQueue.removeAll();
|
|
pollRequests.clear();
|
|
}
|
|
|
|
public void run() {
|
|
long lastStartTime = System.currentTimeMillis();
|
|
logger.info("Simulation main loop started, system time: " + lastStartTime);
|
|
isRunning = true;
|
|
speedLimitLastRealtime = System.currentTimeMillis();
|
|
speedLimitLastSimtime = getSimulationTime();
|
|
|
|
/* Simulation starting */
|
|
this.setChanged();
|
|
this.notifyObservers(this);
|
|
|
|
TimeEvent nextEvent = null;
|
|
try {
|
|
while (isRunning) {
|
|
|
|
/* Handle all poll requests */
|
|
while (hasPollRequests) {
|
|
popSimulationInvokes().run();
|
|
}
|
|
|
|
/* Handle one simulation event, and update simulation time */
|
|
nextEvent = eventQueue.popFirst();
|
|
if (nextEvent == null) {
|
|
throw new RuntimeException("No more events");
|
|
}
|
|
if (nextEvent.time < currentSimulationTime) {
|
|
throw new RuntimeException("Next event is in the past: " + nextEvent.time + " < " + currentSimulationTime + ": " + nextEvent);
|
|
}
|
|
currentSimulationTime = nextEvent.time;
|
|
/*logger.info("Executing event #" + EVENT_COUNTER++ + " @ " + currentSimulationTime + ": " + nextEvent);*/
|
|
nextEvent.execute(currentSimulationTime);
|
|
|
|
if (stopSimulation) {
|
|
isRunning = false;
|
|
}
|
|
}
|
|
} catch (RuntimeException e) {
|
|
if ("MSPSim requested simulation stop".equals(e.getMessage())) {
|
|
/* XXX Should be*/
|
|
logger.info("Simulation stopped due to MSPSim breakpoint");
|
|
} else {
|
|
|
|
logger.fatal("Simulation stopped due to error: " + e.getMessage(), e);
|
|
if (!Cooja.isVisualized()) {
|
|
/* Quit simulator if in test mode */
|
|
System.exit(1);
|
|
} else {
|
|
String title = "Simulation error";
|
|
if (nextEvent instanceof MoteTimeEvent) {
|
|
title += ": " + ((MoteTimeEvent)nextEvent).getMote();
|
|
}
|
|
Cooja.showErrorDialog(Cooja.getTopParentContainer(), title, e, false);
|
|
}
|
|
}
|
|
}
|
|
isRunning = false;
|
|
simulationThread = null;
|
|
stopSimulation = false;
|
|
|
|
this.setChanged();
|
|
this.notifyObservers(this);
|
|
logger.info("Simulation main loop stopped, system time: " + System.currentTimeMillis() +
|
|
"\tDuration: " + (System.currentTimeMillis() - lastStartTime) +
|
|
" ms" +
|
|
"\tSimulated time " + getSimulationTimeMillis() +
|
|
" ms\tRatio " +
|
|
((double)getSimulationTimeMillis() /
|
|
(double)(System.currentTimeMillis() - lastStartTime)));
|
|
}
|
|
|
|
/**
|
|
* Creates a new simulation
|
|
*/
|
|
public Simulation(Cooja cooja) {
|
|
this.cooja = cooja;
|
|
}
|
|
|
|
/**
|
|
* Starts this simulation (notifies observers).
|
|
*/
|
|
public void startSimulation() {
|
|
if (!isRunning()) {
|
|
isRunning = true;
|
|
simulationThread = new Thread(this);
|
|
simulationThread.setPriority(Thread.MIN_PRIORITY);
|
|
simulationThread.start();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Stop simulation
|
|
*
|
|
* @param block Block until simulation has stopped, with timeout (100ms)
|
|
*
|
|
* @see #stopSimulation()
|
|
*/
|
|
public void stopSimulation(boolean block) {
|
|
if (!isRunning()) {
|
|
return;
|
|
}
|
|
stopSimulation = true;
|
|
|
|
if (block) {
|
|
if (Thread.currentThread() == simulationThread) {
|
|
return;
|
|
}
|
|
|
|
/* Wait until simulation stops */
|
|
try {
|
|
Thread simThread = simulationThread;
|
|
if (simThread != null) {
|
|
simThread.join(100);
|
|
}
|
|
} catch (InterruptedException e) {
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Stop simulation (blocks).
|
|
* Calls stopSimulation(true).
|
|
*
|
|
* @see #stopSimulation(boolean)
|
|
*/
|
|
public void stopSimulation() {
|
|
stopSimulation(true);
|
|
}
|
|
|
|
/**
|
|
* Starts simulation if stopped, executes one millisecond, and finally stops
|
|
* simulation again.
|
|
*/
|
|
public void stepMillisecondSimulation() {
|
|
if (isRunning()) {
|
|
return;
|
|
}
|
|
TimeEvent stopEvent = new TimeEvent(0) {
|
|
public void execute(long t) {
|
|
/* Stop simulation */
|
|
stopSimulation();
|
|
}
|
|
};
|
|
scheduleEvent(stopEvent, getSimulationTime()+Simulation.MILLISECOND);
|
|
startSimulation();
|
|
}
|
|
|
|
public Cooja getCooja() {
|
|
return cooja;
|
|
}
|
|
|
|
/**
|
|
* @return Random seed
|
|
*/
|
|
public long getRandomSeed() {
|
|
return randomSeed;
|
|
}
|
|
|
|
/**
|
|
* @return Random seed (converted to a string)
|
|
*/
|
|
public String getRandomSeedString() {
|
|
return Long.toString(randomSeed);
|
|
}
|
|
|
|
/**
|
|
* @param randomSeed Random seed
|
|
*/
|
|
public void setRandomSeed(long randomSeed) {
|
|
this.randomSeed = randomSeed;
|
|
randomGenerator.setSeed(randomSeed);
|
|
logger.info("Simulation random seed: " + randomSeed);
|
|
}
|
|
|
|
/**
|
|
* @param generated Autogenerated random seed at simulation load
|
|
*/
|
|
public void setRandomSeedGenerated(boolean generated) {
|
|
this.randomSeedGenerated = generated;
|
|
}
|
|
|
|
/**
|
|
* @return Autogenerated random seed at simulation load
|
|
*/
|
|
public boolean getRandomSeedGenerated() {
|
|
return randomSeedGenerated;
|
|
}
|
|
|
|
public Random getRandomGenerator() {
|
|
return randomGenerator;
|
|
}
|
|
|
|
/**
|
|
* @return Maximum mote startup delay
|
|
*/
|
|
public long getDelayedMoteStartupTime() {
|
|
return maxMoteStartupDelay;
|
|
}
|
|
|
|
/**
|
|
* @param maxMoteStartupDelay Maximum mote startup delay
|
|
*/
|
|
public void setDelayedMoteStartupTime(long maxMoteStartupDelay) {
|
|
this.maxMoteStartupDelay = Math.max(0, maxMoteStartupDelay);
|
|
}
|
|
|
|
private SimEventCentral eventCentral = new SimEventCentral(this);
|
|
public SimEventCentral getEventCentral() {
|
|
return eventCentral;
|
|
}
|
|
|
|
/**
|
|
* Returns the current simulation config represented by XML elements. This
|
|
* config also includes the current radio medium, all mote types and motes.
|
|
*
|
|
* @return Current simulation config
|
|
*/
|
|
public Collection<Element> getConfigXML() {
|
|
ArrayList<Element> config = new ArrayList<Element>();
|
|
|
|
Element element;
|
|
|
|
// Title
|
|
element = new Element("title");
|
|
element.setText(title);
|
|
config.add(element);
|
|
|
|
/* Max simulation speed */
|
|
if (!speedLimitNone) {
|
|
element = new Element("speedlimit");
|
|
element.setText("" + getSpeedLimit());
|
|
config.add(element);
|
|
}
|
|
|
|
// Random seed
|
|
element = new Element("randomseed");
|
|
if (randomSeedGenerated) {
|
|
element.setText("generated");
|
|
} else {
|
|
element.setText(Long.toString(getRandomSeed()));
|
|
}
|
|
config.add(element);
|
|
|
|
// Max mote startup delay
|
|
element = new Element("motedelay_us");
|
|
element.setText(Long.toString(maxMoteStartupDelay));
|
|
config.add(element);
|
|
|
|
// Radio Medium
|
|
element = new Element("radiomedium");
|
|
element.setText(currentRadioMedium.getClass().getName());
|
|
|
|
Collection<Element> radioMediumXML = currentRadioMedium.getConfigXML();
|
|
if (radioMediumXML != null) {
|
|
element.addContent(radioMediumXML);
|
|
}
|
|
config.add(element);
|
|
|
|
/* Event central */
|
|
element = new Element("events");
|
|
element.addContent(eventCentral.getConfigXML());
|
|
config.add(element);
|
|
|
|
// Mote types
|
|
for (MoteType moteType : getMoteTypes()) {
|
|
element = new Element("motetype");
|
|
element.setText(moteType.getClass().getName());
|
|
|
|
Collection<Element> moteTypeXML = moteType.getConfigXML(this);
|
|
if (moteTypeXML != null) {
|
|
element.addContent(moteTypeXML);
|
|
}
|
|
config.add(element);
|
|
}
|
|
|
|
// Motes
|
|
for (Mote mote : motes) {
|
|
element = new Element("mote");
|
|
|
|
Collection<Element> moteConfig = mote.getConfigXML();
|
|
if (moteConfig == null) {
|
|
moteConfig = new ArrayList<Element>();
|
|
}
|
|
|
|
/* Add mote type identifier */
|
|
Element typeIdentifier = new Element("motetype_identifier");
|
|
typeIdentifier.setText(mote.getType().getIdentifier());
|
|
moteConfig.add(typeIdentifier);
|
|
|
|
element.addContent(moteConfig);
|
|
config.add(element);
|
|
}
|
|
|
|
return config;
|
|
}
|
|
|
|
/**
|
|
* Sets the current simulation config depending on the given configuration.
|
|
*
|
|
* @param configXML Simulation configuration
|
|
* @param visAvailable True if simulation is allowed to show visualizers
|
|
* @param manualRandomSeed Simulation random seed. May be null, in which case the configuration is used
|
|
* @return True if simulation was configured successfully
|
|
* @throws Exception If configuration could not be loaded
|
|
*/
|
|
public boolean setConfigXML(Collection<Element> configXML,
|
|
boolean visAvailable, Long manualRandomSeed) throws Exception {
|
|
|
|
// Parse elements
|
|
for (Element element : configXML) {
|
|
|
|
// Title
|
|
if (element.getName().equals("title")) {
|
|
title = element.getText();
|
|
}
|
|
|
|
/* Max simulation speed */
|
|
if (element.getName().equals("speedlimit")) {
|
|
String text = element.getText();
|
|
if (text.equals("null")) {
|
|
setSpeedLimit(null);
|
|
} else {
|
|
setSpeedLimit(Double.parseDouble(text));
|
|
}
|
|
}
|
|
|
|
// Random seed
|
|
if (element.getName().equals("randomseed")) {
|
|
long newSeed;
|
|
|
|
if (element.getText().equals("generated")) {
|
|
randomSeedGenerated = true;
|
|
newSeed = new Random().nextLong();
|
|
} else {
|
|
newSeed = Long.parseLong(element.getText());
|
|
}
|
|
if (manualRandomSeed != null) {
|
|
newSeed = manualRandomSeed;
|
|
}
|
|
|
|
setRandomSeed(newSeed);
|
|
}
|
|
|
|
// Max mote startup delay
|
|
if (element.getName().equals("motedelay")) {
|
|
maxMoteStartupDelay = Integer.parseInt(element.getText())*MILLISECOND;
|
|
}
|
|
if (element.getName().equals("motedelay_us")) {
|
|
maxMoteStartupDelay = Integer.parseInt(element.getText());
|
|
}
|
|
|
|
// Radio medium
|
|
if (element.getName().equals("radiomedium")) {
|
|
String radioMediumClassName = element.getText().trim();
|
|
|
|
/* Backwards compatibility: se.sics -> org.contikios */
|
|
if (radioMediumClassName.startsWith("se.sics")) {
|
|
radioMediumClassName = radioMediumClassName.replaceFirst("se\\.sics", "org.contikios");
|
|
}
|
|
|
|
Class<? extends RadioMedium> radioMediumClass = cooja.tryLoadClass(
|
|
this, RadioMedium.class, radioMediumClassName);
|
|
|
|
if (radioMediumClass != null) {
|
|
// Create radio medium specified in config
|
|
try {
|
|
currentRadioMedium = RadioMedium.generateRadioMedium(radioMediumClass, this);
|
|
} catch (Exception e) {
|
|
currentRadioMedium = null;
|
|
logger.warn("Could not load radio medium class: " + radioMediumClassName);
|
|
}
|
|
}
|
|
|
|
// Show configure simulation dialog
|
|
boolean createdOK = false;
|
|
if (visAvailable) {
|
|
createdOK = CreateSimDialog.showDialog(Cooja.getTopParentContainer(), this);
|
|
} else {
|
|
createdOK = true;
|
|
}
|
|
|
|
if (!createdOK) {
|
|
logger.debug("Simulation not created, aborting");
|
|
throw new Exception("Load aborted by user");
|
|
}
|
|
|
|
// Check if radio medium specific config should be applied
|
|
if (radioMediumClassName.equals(currentRadioMedium.getClass().getName())) {
|
|
currentRadioMedium.setConfigXML(element.getChildren(), visAvailable);
|
|
} else {
|
|
logger.info("Radio Medium changed - ignoring radio medium specific config");
|
|
}
|
|
}
|
|
|
|
/* Event central */
|
|
if (element.getName().equals("events")) {
|
|
eventCentral.setConfigXML(this, element.getChildren(), visAvailable);
|
|
}
|
|
|
|
// Mote type
|
|
if (element.getName().equals("motetype")) {
|
|
String moteTypeClassName = element.getText().trim();
|
|
|
|
/* Backwards compatibility: se.sics -> org.contikios */
|
|
if (moteTypeClassName.startsWith("se.sics")) {
|
|
moteTypeClassName = moteTypeClassName.replaceFirst("se\\.sics", "org.contikios");
|
|
}
|
|
|
|
/* Try to recreate simulation using a different mote type */
|
|
if (visAvailable) {
|
|
String[] availableMoteTypes = getCooja().getProjectConfig().getStringArrayValue("org.contikios.cooja.Cooja.MOTETYPES");
|
|
String newClass = (String) JOptionPane.showInputDialog(
|
|
Cooja.getTopParentContainer(),
|
|
"The simulation is about to load '" + moteTypeClassName + "'\n" +
|
|
"You may try to load the simulation using a different mote type.\n",
|
|
"Loading mote type",
|
|
JOptionPane.QUESTION_MESSAGE,
|
|
null,
|
|
availableMoteTypes,
|
|
moteTypeClassName
|
|
);
|
|
if (newClass == null) {
|
|
throw new MoteType.MoteTypeCreationException("No mote type class selected");
|
|
}
|
|
if (!newClass.equals(moteTypeClassName)) {
|
|
logger.warn("Changing mote type class: " + moteTypeClassName + " -> " + newClass);
|
|
moteTypeClassName = newClass;
|
|
}
|
|
}
|
|
|
|
Class<? extends MoteType> moteTypeClass = cooja.tryLoadClass(this,
|
|
MoteType.class, moteTypeClassName);
|
|
|
|
if (moteTypeClass == null) {
|
|
logger.fatal("Could not load mote type class: " + moteTypeClassName);
|
|
throw new MoteType.MoteTypeCreationException("Could not load mote type class: " + moteTypeClassName);
|
|
}
|
|
|
|
MoteType moteType = moteTypeClass.getConstructor((Class[]) null).newInstance();
|
|
|
|
boolean createdOK = moteType.setConfigXML(this, element.getChildren(),
|
|
visAvailable);
|
|
if (createdOK) {
|
|
addMoteType(moteType);
|
|
} else {
|
|
logger
|
|
.fatal("Mote type was not created: " + element.getText().trim());
|
|
throw new Exception("All mote types were not recreated");
|
|
}
|
|
}
|
|
|
|
/* Mote */
|
|
if (element.getName().equals("mote")) {
|
|
|
|
/* Read mote type identifier */
|
|
MoteType moteType = null;
|
|
for (Element subElement: (Collection<Element>) element.getChildren()) {
|
|
if (subElement.getName().equals("motetype_identifier")) {
|
|
moteType = getMoteType(subElement.getText());
|
|
if (moteType == null) {
|
|
throw new Exception("No mote type '" + subElement.getText() + "' for mote");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (moteType == null) {
|
|
throw new Exception("No mote type specified for mote");
|
|
}
|
|
|
|
/* Create mote using mote type */
|
|
Mote mote = moteType.generateMote(this);
|
|
if (mote.setConfigXML(this, element.getChildren(), visAvailable)) {
|
|
if (getMoteWithID(mote.getID()) != null) {
|
|
logger.warn("Ignoring duplicate mote ID: " + mote.getID());
|
|
} else {
|
|
addMote(mote);
|
|
}
|
|
} else {
|
|
logger.fatal("Mote was not created: " + element.getText().trim());
|
|
throw new Exception("All motes were not recreated");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (currentRadioMedium != null) {
|
|
currentRadioMedium.simulationFinishedLoading();
|
|
}
|
|
|
|
setChanged();
|
|
notifyObservers(this);
|
|
|
|
/* Execute simulation thread events now, before simulation starts */
|
|
while (hasPollRequests) {
|
|
popSimulationInvokes().run();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Removes a mote from this simulation
|
|
*
|
|
* @param mote
|
|
* Mote to remove
|
|
*/
|
|
public void removeMote(final Mote mote) {
|
|
|
|
/* Simulation is running, remove mote in simulation loop */
|
|
Runnable removeMote = new Runnable() {
|
|
public void run() {
|
|
motes.remove(mote);
|
|
motesUninit.remove(mote);
|
|
currentRadioMedium.unregisterMote(mote, Simulation.this);
|
|
|
|
/* Dispose mote interface resources */
|
|
mote.removed();
|
|
for (MoteInterface i: mote.getInterfaces().getInterfaces()) {
|
|
i.removed();
|
|
}
|
|
|
|
setChanged();
|
|
notifyObservers(mote);
|
|
|
|
/* Loop through all scheduled events.
|
|
* Delete all events associated with deleted mote. */
|
|
TimeEvent ev = eventQueue.peekFirst();
|
|
while (ev != null) {
|
|
if (ev instanceof MoteTimeEvent) {
|
|
if (((MoteTimeEvent)ev).getMote() == mote) {
|
|
ev.remove();
|
|
}
|
|
}
|
|
ev = ev.nextEvent;
|
|
}
|
|
}
|
|
};
|
|
|
|
if (!isRunning()) {
|
|
/* Simulation is stopped, remove mote immediately */
|
|
removeMote.run();
|
|
} else {
|
|
/* Remove mote from simulation thread */
|
|
invokeSimulationThread(removeMote);
|
|
}
|
|
|
|
getCooja().closeMotePlugins(mote);
|
|
}
|
|
|
|
/**
|
|
* Called to free resources used by the simulation.
|
|
* This method is called just before the simulation is removed.
|
|
*/
|
|
public void removed() {
|
|
/* Remove radio medium */
|
|
if (currentRadioMedium != null) {
|
|
currentRadioMedium.removed();
|
|
}
|
|
|
|
/* Remove all motes */
|
|
Mote[] motes = getMotes();
|
|
for (Mote m: motes) {
|
|
removeMote(m);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a mote to this simulation
|
|
*
|
|
* @param mote
|
|
* Mote to add
|
|
*/
|
|
public void addMote(final Mote mote) {
|
|
Runnable addMote = new Runnable() {
|
|
public void run() {
|
|
if (mote.getInterfaces().getClock() != null) {
|
|
if (maxMoteStartupDelay > 0) {
|
|
mote.getInterfaces().getClock().setDrift(
|
|
- getSimulationTime()
|
|
- randomGenerator.nextInt((int)maxMoteStartupDelay)
|
|
);
|
|
} else {
|
|
mote.getInterfaces().getClock().setDrift(-getSimulationTime());
|
|
}
|
|
}
|
|
|
|
motes.add(mote);
|
|
motesUninit.remove(mote);
|
|
currentRadioMedium.registerMote(mote, Simulation.this);
|
|
|
|
/* Notify mote interfaces that node was added */
|
|
for (MoteInterface i: mote.getInterfaces().getInterfaces()) {
|
|
i.added();
|
|
}
|
|
|
|
setChanged();
|
|
notifyObservers(mote);
|
|
cooja.updateGUIComponentState();
|
|
}
|
|
};
|
|
|
|
if (!isRunning()) {
|
|
/* Simulation is stopped, add mote immediately */
|
|
addMote.run();
|
|
} else {
|
|
/* Add mote from simulation thread */
|
|
invokeSimulationThread(addMote);
|
|
}
|
|
//Add to list of uninitialized motes
|
|
motesUninit.add(mote);
|
|
|
|
}
|
|
|
|
/**
|
|
* Returns simulation mote at given list position.
|
|
*
|
|
* @param pos Internal list position of mote
|
|
* @return Mote
|
|
* @see #getMotesCount()
|
|
* @see #getMoteWithID(int)
|
|
*/
|
|
public Mote getMote(int pos) {
|
|
return motes.get(pos);
|
|
}
|
|
|
|
/**
|
|
* Returns simulation with with given ID.
|
|
*
|
|
* @param id ID
|
|
* @return Mote or null
|
|
* @see Mote#getID()
|
|
*/
|
|
public Mote getMoteWithID(int id) {
|
|
for (Mote m: motes) {
|
|
if (m.getID() == id) {
|
|
return m;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Returns uninitialised simulation mote with with given ID.
|
|
*
|
|
* @param id ID
|
|
* @return Mote or null
|
|
* @see Mote#getID()
|
|
*/
|
|
public Mote getMoteWithIDUninit(int id) {
|
|
for (Mote m: motesUninit) {
|
|
if (m.getID() == id) {
|
|
return m;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Returns number of motes in this simulation.
|
|
*
|
|
* @return Number of motes
|
|
*/
|
|
public int getMotesCount() {
|
|
return motes.size();
|
|
}
|
|
|
|
/**
|
|
* Returns all motes in this simulation.
|
|
*
|
|
* @return Motes
|
|
*/
|
|
public Mote[] getMotes() {
|
|
Mote[] arr = new Mote[motes.size()];
|
|
motes.toArray(arr);
|
|
return arr;
|
|
}
|
|
|
|
/**
|
|
* Returns uninitialised motes
|
|
*
|
|
* @return Motes
|
|
*/
|
|
public Mote[] getMotesUninit() {
|
|
return motesUninit.toArray(new Mote[motesUninit.size()]);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns all mote types in simulation.
|
|
*
|
|
* @return All mote types
|
|
*/
|
|
public MoteType[] getMoteTypes() {
|
|
MoteType[] types = new MoteType[moteTypes.size()];
|
|
moteTypes.toArray(types);
|
|
return types;
|
|
}
|
|
|
|
/**
|
|
* Returns mote type with given identifier.
|
|
*
|
|
* @param identifier
|
|
* Mote type identifier
|
|
* @return Mote type or null if not found
|
|
*/
|
|
public MoteType getMoteType(String identifier) {
|
|
for (MoteType moteType : getMoteTypes()) {
|
|
if (moteType.getIdentifier().equals(identifier)) {
|
|
return moteType;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Adds given mote type to simulation.
|
|
*
|
|
* @param newMoteType Mote type
|
|
*/
|
|
public void addMoteType(MoteType newMoteType) {
|
|
moteTypes.add(newMoteType);
|
|
|
|
this.setChanged();
|
|
this.notifyObservers(this);
|
|
}
|
|
|
|
/**
|
|
* Remove given mote type from simulation.
|
|
*
|
|
* @param type Mote type
|
|
*/
|
|
public void removeMoteType(MoteType type) {
|
|
if (!moteTypes.contains(type)) {
|
|
logger.fatal("Mote type is not registered: " + type);
|
|
return;
|
|
}
|
|
|
|
/* Remove motes */
|
|
for (Mote m: getMotes()) {
|
|
if (m.getType() == type) {
|
|
removeMote(m);
|
|
}
|
|
}
|
|
|
|
moteTypes.remove(type);
|
|
this.setChanged();
|
|
this.notifyObservers(this);
|
|
}
|
|
|
|
/**
|
|
* Limit simulation speed to given ratio.
|
|
* This method may be called from outside the simulation thread.
|
|
* @param newSpeedLimit
|
|
*/
|
|
public void setSpeedLimit(final Double newSpeedLimit) {
|
|
Runnable r = new Runnable() {
|
|
public void run() {
|
|
if (newSpeedLimit == null) {
|
|
speedLimitNone = true;
|
|
return;
|
|
}
|
|
|
|
speedLimitNone = false;
|
|
speedLimitLastRealtime = System.currentTimeMillis();
|
|
speedLimitLastSimtime = getSimulationTime();
|
|
speedLimit = newSpeedLimit.doubleValue();
|
|
|
|
if (delayEvent.isScheduled()) {
|
|
delayEvent.remove();
|
|
}
|
|
scheduleEvent(delayEvent, currentSimulationTime);
|
|
Simulation.this.setChanged();
|
|
Simulation.this.notifyObservers(this);
|
|
}
|
|
};
|
|
if (!isRunning()) {
|
|
/* Simulation is stopped, change speed immediately */
|
|
r.run();
|
|
} else {
|
|
/* Change speed from simulation thread */
|
|
invokeSimulationThread(r);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return Max simulation speed ratio. Returns null if no limit.
|
|
*/
|
|
public Double getSpeedLimit() {
|
|
if (speedLimitNone) {
|
|
return null;
|
|
}
|
|
return new Double(speedLimit);
|
|
}
|
|
|
|
/**
|
|
* Set simulation time to simulationTime.
|
|
*
|
|
* @param simulationTime
|
|
* New simulation time (ms)
|
|
*/
|
|
public void setSimulationTime(long simulationTime) {
|
|
currentSimulationTime = simulationTime;
|
|
|
|
this.setChanged();
|
|
this.notifyObservers(this);
|
|
}
|
|
|
|
/**
|
|
* Returns current simulation time.
|
|
*
|
|
* @return Simulation time (microseconds)
|
|
*/
|
|
public long getSimulationTime() {
|
|
return currentSimulationTime;
|
|
}
|
|
|
|
/**
|
|
* Returns current simulation time rounded to milliseconds.
|
|
*
|
|
* @see #getSimulationTime()
|
|
* @return Time rounded to milliseconds
|
|
*/
|
|
public long getSimulationTimeMillis() {
|
|
return currentSimulationTime / MILLISECOND;
|
|
}
|
|
|
|
/**
|
|
* Changes radio medium of this simulation to the given.
|
|
*
|
|
* @param radioMedium
|
|
* New radio medium
|
|
*/
|
|
public void setRadioMedium(RadioMedium radioMedium) {
|
|
// Remove current radio medium from observing motes
|
|
if (currentRadioMedium != null) {
|
|
for (int i = 0; i < motes.size(); i++) {
|
|
currentRadioMedium.unregisterMote(motes.get(i), this);
|
|
}
|
|
}
|
|
|
|
// Change current radio medium to new one
|
|
if (radioMedium == null) {
|
|
logger.fatal("Radio medium could not be created.");
|
|
return;
|
|
}
|
|
this.currentRadioMedium = radioMedium;
|
|
|
|
// Add all current motes to the new radio medium
|
|
for (int i = 0; i < motes.size(); i++) {
|
|
currentRadioMedium.registerMote(motes.get(i), this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get currently used radio medium.
|
|
*
|
|
* @return Currently used radio medium
|
|
*/
|
|
public RadioMedium getRadioMedium() {
|
|
return currentRadioMedium;
|
|
}
|
|
|
|
/**
|
|
* Return true is simulation is running.
|
|
*
|
|
* @return True if simulation is running
|
|
*/
|
|
public boolean isRunning() {
|
|
return isRunning && simulationThread != null;
|
|
}
|
|
|
|
/**
|
|
* Return true is simulation is runnable.
|
|
*
|
|
* @return True if simulation is runnable
|
|
*/
|
|
public boolean isRunnable() {
|
|
return isRunning || hasPollRequests || eventQueue.peekFirst() != null;
|
|
}
|
|
|
|
/**
|
|
* Get current simulation title (short description).
|
|
*
|
|
* @return Title
|
|
*/
|
|
public String getTitle() {
|
|
return title;
|
|
}
|
|
|
|
/**
|
|
* Set simulation title.
|
|
*
|
|
* @param title
|
|
* New title
|
|
*/
|
|
public void setTitle(String title) {
|
|
this.title = title;
|
|
}
|
|
}
|