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allow simulation delays below real-time
This commit is contained in:
fros4943
parent
9aee8dbc16
commit
28976d9e15
@ -24,7 +24,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: Simulation.java,v 1.50 2009/07/03 13:37:41 fros4943 Exp $
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* $Id: Simulation.java,v 1.51 2009/07/06 12:29:57 fros4943 Exp $
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*/
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package se.sics.cooja;
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@ -59,7 +59,8 @@ public class Simulation extends Observable implements Runnable {
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private Vector<MoteType> moteTypes = new Vector<MoteType>();
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private int delayTime = 0;
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private int delayTime=0, delayPeriod=1;
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private long delayLastSim;
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private long currentSimulationTime = 0;
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@ -179,13 +180,35 @@ public class Simulation extends Observable implements Runnable {
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private TimeEvent delayEvent = new TimeEvent(0) {
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public void execute(long t) {
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/*logger.info("Delay at: " + t);*/
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/* As fast as possible: no need to reschedule delay event */
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if (delayTime == 0) {
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return;
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}
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try { Thread.sleep(delayTime); } catch (InterruptedException e) { }
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scheduleEventUnsafe(this, t+MILLISECOND);
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/* Special case: real time */
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if (delayPeriod == Integer.MIN_VALUE) {
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delayLastSim++;
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long tmp = System.currentTimeMillis();
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if (delayLastSim > tmp) {
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try {
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Thread.sleep(delayLastSim-tmp);
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} catch (InterruptedException e) {
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}
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}
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/* Reschedule us next millisecond */
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scheduleEventUnsafe(this, t+MILLISECOND);
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return;
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}
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/* Normal operation */
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try {
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Thread.sleep(delayTime);
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} catch (InterruptedException e) {
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}
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/* Reschedule us next period */
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scheduleEventUnsafe(this, t+delayPeriod*MILLISECOND);
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}
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public String toString() {
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return "DELAY";
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@ -227,6 +250,7 @@ public class Simulation extends Observable implements Runnable {
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isRunning = true;
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/* Schedule tick events */
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delayLastSim = System.currentTimeMillis();
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scheduleEventUnsafe(tickEmulatedMotesEvent, currentSimulationTime);
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scheduleEventUnsafe(delayEvent, currentSimulationTime - (currentSimulationTime % 1000) + 1000);
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scheduleEventUnsafe(millisecondEvent, currentSimulationTime - (currentSimulationTime % 1000) + 1000);
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@ -424,7 +448,7 @@ public class Simulation extends Observable implements Runnable {
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// Delay time
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element = new Element("delaytime");
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element.setText(Integer.toString(delayTime));
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element.setText("" + getDelayTime());
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config.add(element);
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// Random seed
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@ -505,7 +529,7 @@ public class Simulation extends Observable implements Runnable {
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// Delay time
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if (element.getName().equals("delaytime")) {
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delayTime = Integer.parseInt(element.getText());
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setDelayTime(Integer.parseInt(element.getText()));
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}
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// Random seed
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@ -768,26 +792,57 @@ public class Simulation extends Observable implements Runnable {
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}
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/**
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* Set delay time in milliseconds.
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* The simulation loop sleeps this value every simulated millisecond.
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* Set delay time (ms).
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* The simulation loop delays given value every simulated millisecond.
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* If the value is zero there is no delay.
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* If the value is negative, the simulation loop delays 1ms every (-time) simulated milliseconds.
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*
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* @param delayTime New delay time (ms)
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* Examples:
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* time=0: no sleeping (simulation runs as fast as possible).
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* time=10: simulation delays 10ms every simulated millisecond.
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* time=-5: simulation delays 1ms every 5 simulated milliseconds.
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*
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* Special case:
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* time=Integer.MIN_VALUE: simulation tries to execute at real time.
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*
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* @param time New delay time value
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*/
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public void setDelayTime(int delayTime) {
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this.delayTime = delayTime;
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public void setDelayTime(int time) {
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if (time == Integer.MIN_VALUE) {
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/* Special case: real time */
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delayTime = Integer.MIN_VALUE;
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delayPeriod = Integer.MIN_VALUE;
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delayLastSim = System.currentTimeMillis();
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} else if (time < 0) {
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delayTime = 1;
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delayPeriod = -time;
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} else {
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delayTime = time;
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delayPeriod = 1; /* minimum */
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}
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rescheduleEvents = true;
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this.setChanged();
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this.notifyObservers(this);
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}
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/**
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* Returns current delay time.
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* Returns current delay time value.
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* Note that this value can be negative.
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*
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* @return Delay time (ms)
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* @see #setDelayTime(int)
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* @return Delay time value. May be negative, see {@link #setDelayTime(int)}
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*/
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public int getDelayTime() {
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/* Special case: real time */
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if (delayPeriod == Integer.MIN_VALUE) {
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return Integer.MIN_VALUE;
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}
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if (delayPeriod > 1) {
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return -delayPeriod;
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}
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return delayTime;
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* Copyright (c) 2009, 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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@ -26,7 +26,7 @@
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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: SimControl.java,v 1.14 2009/05/26 14:27:00 fros4943 Exp $
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* $Id: SimControl.java,v 1.15 2009/07/06 12:29:57 fros4943 Exp $
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*/
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package se.sics.cooja.plugins;
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@ -40,31 +40,32 @@ import java.util.*;
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import javax.swing.*;
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import javax.swing.Timer;
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import javax.swing.event.*;
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import org.apache.log4j.Logger;
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import se.sics.cooja.*;
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/**
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* The Control Panel is a simple control panel for simulations.
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* Control panel for starting and pausing the current simulation.
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* Allows for configuring the simulation delay.
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*
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* @author Fredrik Osterlind
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*/
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@ClassDescription("Control Panel")
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@PluginType(PluginType.SIM_STANDARD_PLUGIN)
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public class SimControl extends VisPlugin {
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private static final long serialVersionUID = 1L;
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private static final long serialVersionUID = 8452253637624664192L;
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private static Logger logger = Logger.getLogger(SimControl.class);
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private Simulation simulation;
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private static final int SLIDE_MAX = 921; // e^9.21 => ~10000
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private static final int TIME_MAX = 10000;
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private static final int SLIDE_MIN = -100;
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private static final int SLIDE_MAX = 1000;
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private static final int LABEL_UPDATE_INTERVAL = 100;
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private JButton startButton, stopButton;
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private JSlider sliderDelay;
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private JLabel simulationTime, delayLabel;
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private JButton startButton, stopButton;
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private JFormattedTextField stopTimeTextField;
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private Observer simObserver;
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@ -72,53 +73,19 @@ public class SimControl extends VisPlugin {
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/**
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* Create a new simulation control panel.
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*
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* @param simulationToControl Simulation to control
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* @param simulation Simulation to control
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*/
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public SimControl(Simulation simulationToControl, GUI gui) {
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super("Control Panel - " + simulationToControl.getTitle(), gui);
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simulation = simulationToControl;
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JButton button;
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JPanel smallPanel;
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public SimControl(Simulation simulation, GUI gui) {
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super("Control Panel", gui);
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this.simulation = simulation;
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/* Update current time label when simulation is running */
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if (simulation.isRunning()) {
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updateLabelTimer.start();
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}
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/* Observe current simulation */
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simulation.addObserver(simObserver = new Observer() {
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public void update(Observable obs, Object obj) {
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if (simulation.isRunning()) {
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startButton.setEnabled(false);
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stopButton.setEnabled(true);
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/* Start label update timer */
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if (!updateLabelTimer.isRunning()) {
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updateLabelTimer.start();
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}
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} else {
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startButton.setEnabled(true);
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stopButton.setEnabled(false);
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/* Update simulation stop text field */
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if (!stopEvent.isScheduled()) {
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stopTimeTextField.setValue(simulation.getSimulationTimeMillis());
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}
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}
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SwingUtilities.invokeLater(new Runnable() {
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public void run() {
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sliderDelay.setValue(convertTimeToSlide(simulation.getDelayTime()));
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simulationTime.setText("Current simulation time: " + simulation.getSimulationTimeMillis());
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simulationTime.setToolTipText("Simulation time in microseconds: " + simulation.getSimulationTime());
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}
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});
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}
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});
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// Main panel
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/* Container */
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JPanel smallPanel;
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JPanel controlPanel = new JPanel();
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controlPanel.setLayout(new BoxLayout(controlPanel, BoxLayout.Y_AXIS));
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@ -129,22 +96,9 @@ public class SimControl extends VisPlugin {
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smallPanel.setLayout(new BoxLayout(smallPanel, BoxLayout.X_AXIS));
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smallPanel.setBorder(BorderFactory.createEmptyBorder(10, 5, 10, 5));
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button = new JButton("Start");
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button.setActionCommand("start");
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button.addActionListener(myEventHandler);
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startButton = button;
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smallPanel.add(button);
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button = new JButton("Pause");
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button.setActionCommand("stop");
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button.addActionListener(myEventHandler);
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stopButton = button;
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smallPanel.add(button);
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button = new JButton("Step millisecond");
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button.setActionCommand("single_ms");
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button.addActionListener(myEventHandler);
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smallPanel.add(button);
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smallPanel.add(startButton = new JButton(startAction));
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smallPanel.add(stopButton = new JButton(stopAction));
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smallPanel.add(new JButton(stepAction));
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smallPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
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controlPanel.add(smallPanel);
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@ -168,17 +122,16 @@ public class SimControl extends VisPlugin {
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stopEvent.remove();
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}
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JFormattedTextField numberTextField = (JFormattedTextField) e.getSource();
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long stopTime = ((Number) numberTextField.getValue()).intValue()*Simulation.MILLISECOND;
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if (stopTime <= simulation.getSimulationTime()) {
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long t = ((Number)e.getNewValue()).intValue()*Simulation.MILLISECOND;
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if (t <= SimControl.this.simulation.getSimulationTime()) {
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/* No simulation stop scheduled */
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numberTextField.setBackground(Color.LIGHT_GRAY);
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numberTextField.setToolTipText("Enter future simulation time");
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stopTimeTextField.setBackground(Color.LIGHT_GRAY);
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stopTimeTextField.setToolTipText("Enter simulation time when to automatically pause");
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} else {
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/* Schedule simulation stop */
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numberTextField.setBackground(Color.WHITE);
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numberTextField.setToolTipText("Simulation will stop at time (us): " + stopTime);
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simulation.scheduleEvent(stopEvent, stopTime);
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stopTimeTextField.setBackground(Color.WHITE);
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stopTimeTextField.setToolTipText("Simulation will stop at time (us): " + t);
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SimControl.this.simulation.scheduleEvent(stopEvent, t);
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}
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}
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});
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@ -196,7 +149,7 @@ public class SimControl extends VisPlugin {
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smallPanel.setLayout(new BoxLayout(smallPanel, BoxLayout.X_AXIS));
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smallPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 0, 5));
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label = new JLabel("Current simulation time: " + simulation.getSimulationTimeMillis());
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label = new JLabel("?");
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smallPanel.add(label);
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simulationTime = label;
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@ -208,11 +161,7 @@ public class SimControl extends VisPlugin {
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smallPanel.setLayout(new BoxLayout(smallPanel, BoxLayout.X_AXIS));
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smallPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 0, 5));
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if (simulation.getDelayTime() > 0) {
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label = new JLabel("Delay: " + simulation.getDelayTime() + " ms");
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} else {
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label = new JLabel("No simulation delay");
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}
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label = new JLabel("?");
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smallPanel.add(label);
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delayLabel = label;
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@ -224,77 +173,111 @@ public class SimControl extends VisPlugin {
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smallPanel.setLayout(new BoxLayout(smallPanel, BoxLayout.X_AXIS));
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smallPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 10, 5));
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JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, SLIDE_MAX, convertTimeToSlide(simulation.getDelayTime()));
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slider.addChangeListener(myEventHandler);
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sliderDelay = new JSlider(
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JSlider.HORIZONTAL,
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SLIDE_MIN,
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SLIDE_MAX,
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convertTimeToSlide(simulation.getDelayTime()));
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sliderDelay.addChangeListener(new ChangeListener() {
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public void stateChanged(ChangeEvent e) {
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SimControl.this.simulation.setDelayTime(
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convertSlideToTime(sliderDelay.getValue()));
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updateValues();
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}
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});
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Hashtable labelTable = new Hashtable();
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for (int i=0; i < 100; i += 10) {
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labelTable.put(new Integer(convertTimeToSlide(i)), new JLabel("."));
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}
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for (int i=200; i < 10000; i += 500) {
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labelTable.put(new Integer(convertTimeToSlide(i)), new JLabel(":"));
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}
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slider.setLabelTable(labelTable);
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slider.setPaintLabels(true);
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smallPanel.add(slider);
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sliderDelay = slider;
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smallPanel.add(sliderDelay);
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smallPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
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controlPanel.add(smallPanel);
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pack();
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/* Observe current simulation */
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simulation.addObserver(simObserver = new Observer() {
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public void update(Observable obs, Object obj) {
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SwingUtilities.invokeLater(new Runnable() {
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public void run() {
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updateValues();
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}
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});
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}
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});
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/* Set initial values */
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updateValues();
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try {
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setSelected(true);
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} catch (java.beans.PropertyVetoException e) {
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// Could not select
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pack();
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}
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private void updateValues() {
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/* Update simulation delay */
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sliderDelay.setValue(convertTimeToSlide(simulation.getDelayTime()));
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if (simulation.getDelayTime() == 0) {
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delayLabel.setText("No simulation delay");
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} else if (simulation.getDelayTime() == Integer.MIN_VALUE) {
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delayLabel.setText("Real time");
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} else if (simulation.getDelayTime() > 0) {
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delayLabel.setText("Delay: " + simulation.getDelayTime() + " ms");
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} else {
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delayLabel.setText("Delay: 1/" + (-simulation.getDelayTime()) + " ms");
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}
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/* Update current time */
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simulationTime.setText("Current simulation time: "
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+ simulation.getSimulationTimeMillis()
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+ " ms");
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if (simulation.isRunning() && !updateLabelTimer.isRunning()) {
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updateLabelTimer.start();
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}
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if (!simulation.isRunning()) {
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simulationTime.setToolTipText("Simulation time in microseconds: "
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+ simulation.getSimulationTime());
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}
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/* Update control buttons */
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if (simulation.isRunning()) {
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startAction.setEnabled(false);
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stopAction.setEnabled(true);
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stepAction.setEnabled(false);
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} else {
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startAction.setEnabled(true);
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stopAction.setEnabled(false);
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stepAction.setEnabled(true);
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if (!stopEvent.isScheduled()) {
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stopTimeTextField.setValue(simulation.getSimulationTimeMillis());
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}
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}
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}
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private int convertSlideToTime(int slide) {
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if (slide == SLIDE_MAX) {
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return TIME_MAX;
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if (slide == SLIDE_MIN) {
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/* Special case: no delay */
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return 0;
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}
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return (int) Math.round(Math.exp(slide/100.0) - 1.0);
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if (slide == SLIDE_MIN+1) {
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/* Special case: real time */
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return Integer.MIN_VALUE;
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}
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if (slide <= 0) {
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return slide-2; /* Ignore special cases */
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}
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return slide;
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}
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private int convertTimeToSlide(int time) {
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if (time == TIME_MAX) {
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return SLIDE_MAX;
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if (time == 0) {
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/* Special case: no delay */
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return SLIDE_MIN;
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}
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return (int) Math.round((Math.log(time + 1)*100.0));
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if (time == Integer.MIN_VALUE) {
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/* Special case: real time */
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return SLIDE_MIN+1;
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}
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if (time < 0) {
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return time+2; /* Ignore special cases */
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}
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return time;
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}
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private class MyEventHandler implements ActionListener, ChangeListener {
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public void stateChanged(ChangeEvent e) {
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if (e.getSource() == sliderDelay) {
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simulation.setDelayTime(convertSlideToTime(sliderDelay.getValue()));
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if (simulation.getDelayTime() > 0) {
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delayLabel.setText("Delay: " + simulation.getDelayTime() + " ms");
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} else {
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delayLabel.setText("No simulation delay");
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}
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} else {
|
||||
logger.debug("Unhandled state change: " + e);
|
||||
}
|
||||
}
|
||||
public void actionPerformed(ActionEvent e) {
|
||||
if (e.getActionCommand().equals("start")) {
|
||||
simulation.startSimulation();
|
||||
} else if (e.getActionCommand().equals("stop")) {
|
||||
if (simulation.isRunning()) {
|
||||
simulation.stopSimulation();
|
||||
}
|
||||
} else if (e.getActionCommand().equals("single_ms")) {
|
||||
simulation.stepMillisecondSimulation();
|
||||
} else {
|
||||
logger.debug("Unhandled action: " + e.getActionCommand());
|
||||
}
|
||||
}
|
||||
} MyEventHandler myEventHandler = new MyEventHandler();
|
||||
|
||||
public void closePlugin() {
|
||||
/* Remove simulation observer */
|
||||
if (simObserver != null) {
|
||||
@ -314,12 +297,21 @@ public class SimControl extends VisPlugin {
|
||||
public void execute(long t) {
|
||||
/* Stop simulation */
|
||||
simulation.stopSimulation();
|
||||
SwingUtilities.invokeLater(new Runnable() {
|
||||
public void run() {
|
||||
stopTimeTextField.setBackground(Color.LIGHT_GRAY);
|
||||
stopTimeTextField.setToolTipText("Enter simulation time when to automatically pause");
|
||||
stopTimeTextField.requestFocus();
|
||||
}
|
||||
});
|
||||
}
|
||||
};
|
||||
|
||||
private Timer updateLabelTimer = new Timer(LABEL_UPDATE_INTERVAL, new ActionListener() {
|
||||
public void actionPerformed(ActionEvent e) {
|
||||
simulationTime.setText("Current simulation time: " + simulation.getSimulationTimeMillis());
|
||||
simulationTime.setText("Current simulation time: "
|
||||
+ simulation.getSimulationTimeMillis()
|
||||
+ " ms");
|
||||
|
||||
/* Automatically stop if simulation is no longer running */
|
||||
if (!simulation.isRunning()) {
|
||||
@ -327,4 +319,22 @@ public class SimControl extends VisPlugin {
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
private Action startAction = new AbstractAction("Start") {
|
||||
public void actionPerformed(ActionEvent e) {
|
||||
simulation.startSimulation();
|
||||
stopButton.requestFocus();
|
||||
}
|
||||
};
|
||||
private Action stopAction = new AbstractAction("Pause") {
|
||||
public void actionPerformed(ActionEvent e) {
|
||||
simulation.stopSimulation();
|
||||
startButton.requestFocus();
|
||||
}
|
||||
};
|
||||
private Action stepAction = new AbstractAction("Step millisecond") {
|
||||
public void actionPerformed(ActionEvent e) {
|
||||
simulation.stepMillisecondSimulation();
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user