implemented contiki test scripts as threads instead of state machines for easier test development
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fros4943
parent
fd432fa22c
commit
94f0d8ca02
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@ -26,13 +26,14 @@
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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: LogScriptEngine.java,v 1.6 2008/11/27 08:51:35 fros4943 Exp $
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* $Id: LogScriptEngine.java,v 1.7 2009/01/08 16:33:14 fros4943 Exp $
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*/
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package se.sics.cooja.plugins;
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import java.lang.reflect.UndeclaredThrowableException;
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import java.util.*;
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import java.util.concurrent.Semaphore;
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import javax.swing.*;
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import javax.script.*;
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@ -40,13 +41,15 @@ import org.apache.log4j.Logger;
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import se.sics.cooja.*;
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/**
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* Executes JavaScripts on mote logs.
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* Executes Contiki test scripts.
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*
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* @see ScriptRunner
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*
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* @author Fredrik Osterlind
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*/
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public class LogScriptEngine {
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private static final int DEFAULT_TIMEOUT = 1200000; /* 1200s = 20 minutes */
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private static final long serialVersionUID = 1L;
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private static Logger logger = Logger.getLogger(LogScriptEngine.class);
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@ -59,23 +62,59 @@ public class LogScriptEngine {
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private GUI gui;
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private Observer scriptedLogObserver = null;
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private Thread scriptThread = null;
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private Observer scriptLogObserver = null;
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private String scriptCode;
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private ScriptMote scriptMote;
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private boolean stopSimulation = false, quitCooja = false;
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private Semaphore semaphoreScript = null;
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private Semaphore semaphoreSim = null;
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private boolean scriptActive = false;
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private TimeEvent timeoutEvent = new TimeEvent(0) {
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public void execute(long t) {
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engine.put("TIMEOUT", true);
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stepScript();
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}
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};
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private interface ScriptLog {
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public void log(String log);
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public void testOK();
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public void testFailed();
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}
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public LogScriptEngine(GUI gui, String code) {
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private void stepScript() {
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/* Release script - halt simulation */
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semaphoreScript.release();
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/* ... script executing ... */
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try {
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semaphoreSim.acquire();
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} catch (InterruptedException e1) {
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e1.printStackTrace();
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}
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/* ... script is now again waiting for script semaphore ... */
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/* Check if test script requested us to stop */
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if (stopSimulation) {
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LogScriptEngine.this.gui.getSimulation().stopSimulation();
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stopSimulation = false;
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}
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if (quitCooja) {
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LogScriptEngine.this.gui.doQuit(false);
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quitCooja = false;
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}
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}
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public LogScriptEngine(GUI gui) {
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this.gui = gui;
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this.scriptCode = code;
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/* Create GUI observer: keeps track of new simulations */
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guiObserver = new Observer() {
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@ -99,9 +138,21 @@ public class LogScriptEngine {
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logObserver = new Observer() {
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public void update(Observable obs, Object obj) {
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try {
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if (scriptedLogObserver != null) {
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scriptedLogObserver.update(obs, obj);
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if (scriptThread == null ||
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!scriptThread.isAlive()) {
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logger.info("script thread not alive. try deactivating script.");
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/*scriptThread.isInterrupted()*/
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return;
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}
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/* Update script variables */
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Mote mote = (Mote) obj;
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engine.put("mote", mote);
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engine.put("id", mote.getInterfaces().getMoteID().getMoteID());
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engine.put("time", mote.getSimulation().getSimulationTime());
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stepScript();
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} catch (UndeclaredThrowableException e) {
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e.printStackTrace();
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JOptionPane.showMessageDialog(GUI.getTopParentContainer(),
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@ -115,19 +166,6 @@ public class LogScriptEngine {
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}
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};
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/* Create script engine */
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try {
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createScriptEngine(scriptCode);
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} catch (ScriptException e) {
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e.printStackTrace();
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JOptionPane.showMessageDialog(GUI.getTopParentContainer(),
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"See console for more information.",
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"Script error", JOptionPane.ERROR_MESSAGE);
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if (LogScriptEngine.this.gui.getSimulation() != null) {
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LogScriptEngine.this.gui.getSimulation().stopSimulation();
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}
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unregisterLogObserver();
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}
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}
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public void setScriptLogObserver(Observer observer) {
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@ -158,23 +196,30 @@ public class LogScriptEngine {
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}
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}
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/**
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* Activate script
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*/
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public void activateScript() {
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gui.addObserver(guiObserver);
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if (gui.getSimulation() != null) {
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gui.getSimulation().addObserver(simObserver);
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}
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registerLogObserver();
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}
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/**
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* Deactivate script
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*/
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public void deactiveScript() {
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public void deactivateScript() {
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if (!scriptActive) {
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return;
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}
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scriptActive = false;
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if (semaphoreScript == null) {
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logger.warn("semaphoreScript is not initialized");
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}
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if (semaphoreSim == null) {
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logger.warn("semaphoreSim is not initialized");
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}
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if (scriptThread == null) {
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logger.warn("scriptThread is not initialized");
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}
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if (timeoutEvent != null) {
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timeoutEvent.remove();
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timeoutEvent = null;
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}
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gui.deleteObserver(guiObserver);
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if (gui.getSimulation() != null) {
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@ -182,25 +227,124 @@ public class LogScriptEngine {
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}
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unregisterLogObserver();
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engine.put("SHUTDOWN", true);
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try {
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semaphoreScript.release(100);
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} catch (Exception e) {
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} finally {
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semaphoreScript = null;
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}
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try {
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semaphoreSim.release(100);
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} catch (Exception e) {
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} finally {
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semaphoreSim = null;
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}
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if (scriptThread != null) {
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try {
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scriptThread.join();
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} catch (InterruptedException e) {
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e.printStackTrace();
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} finally {
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scriptThread = null;
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}
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}
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}
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private void createScriptEngine(String code) throws ScriptException {
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engine.eval("function update(obs, obj) { " +
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"if (obj != null) {" +
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" mote = obj;" +
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" id = mote.getInterfaces().getMoteID().getMoteID();" +
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" msg = mote.getInterfaces().getLog().getLastLogMessage();" +
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" node.setMoteMsg(mote, msg);" +
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"} else {" +
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" return;" +
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"} " +
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code +
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" };");
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public void activateScript(String scriptCode) throws ScriptException {
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if (scriptActive) {
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return;
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}
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scriptActive = true;
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Invocable inv = (Invocable) engine;
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scriptedLogObserver = inv.getInterface(Observer.class);
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if (semaphoreScript != null) {
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logger.warn("semaphoreScript is already initialized");
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}
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if (semaphoreSim != null) {
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logger.warn("semaphoreSim is already initialized");
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}
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if (scriptThread != null) {
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logger.warn("scriptThread is already initialized");
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}
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/* Create script logger */
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/* Parse current script */
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ScriptParser parser = new ScriptParser(scriptCode);
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String jsCode = parser.getJSCode();
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long timeoutTime = parser.getTimeoutTime();
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if (gui.getSimulation() != null) {
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if (timeoutTime > 0) {
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gui.getSimulation().scheduleEvent(
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timeoutEvent,
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gui.getSimulation().getSimulationTime() + timeoutTime);
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} else {
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gui.getSimulation().scheduleEvent(
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timeoutEvent,
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gui.getSimulation().getSimulationTime() + DEFAULT_TIMEOUT);
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}
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}
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engine.eval(jsCode);
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/* Setup script control */
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semaphoreScript = new Semaphore(1);
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semaphoreSim = new Semaphore(1);
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engine.put("TIMEOUT", false);
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engine.put("SHUTDOWN", false);
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engine.put("SEMAPHORE_SCRIPT", semaphoreScript);
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engine.put("SEMAPHORE_SIM", semaphoreSim);
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try {
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semaphoreScript.acquire();
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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scriptThread = new Thread(new Runnable() {
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public void run() {
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/*logger.info("test script thread starts");*/
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try {
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((Invocable)engine).getInterface(Runnable.class).run();
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} catch (RuntimeException e) {
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Throwable throwable = e;
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while (throwable.getCause() != null) {
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throwable = throwable.getCause();
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}
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if (throwable.getMessage() != null &&
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throwable.getMessage().contains("test script killed") ) {
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/*logger.info("test script thread terminated by exception");*/
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} else {
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if (!GUI.isVisualized()) {
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logger.fatal("Test script error, terminating Cooja.");
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e.printStackTrace();
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System.exit(1);
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}
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/* Forward exception */
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throw e;
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}
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}
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/*logger.info("test script thread exits");*/
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}
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});
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scriptThread.start(); /* Starts by acquiring semaphore (blocks) */
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while (!semaphoreScript.hasQueuedThreads()) {
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Thread.yield();
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}
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/* Setup simulation observers */
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gui.addObserver(guiObserver);
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if (gui.getSimulation() != null) {
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gui.getSimulation().addObserver(simObserver);
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}
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/* Create script output logger */
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engine.put("log", new ScriptLog() {
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public void log(String msg) {
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if (scriptLogObserver != null) {
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@ -212,24 +356,49 @@ public class LogScriptEngine {
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if (GUI.isVisualized()) {
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log("[if test was run without visualization, COOJA would now have been terminated]\n");
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if (LogScriptEngine.this.gui.getSimulation() != null) {
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LogScriptEngine.this.gui.getSimulation().stopSimulation();
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}
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stopSimulation = true;
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} else {
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gui.doQuit(false);
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quitCooja = true;
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}
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/* Make sure simulation is actually stopped */
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gui.getSimulation().scheduleEvent(new TimeEvent(0) {
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public void execute(long time) {
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if (stopSimulation) {
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LogScriptEngine.this.gui.getSimulation().stopSimulation();
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stopSimulation = false;
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}
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if (quitCooja) {
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LogScriptEngine.this.gui.doQuit(false);
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quitCooja = false;
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}
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}
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}, gui.getSimulation().getSimulationTime());
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}
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public void testFailed() {
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log("TEST FAILED\n");
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if (GUI.isVisualized()) {
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log("[if test was run without visualization, COOJA would now have been terminated]\n");
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if (LogScriptEngine.this.gui.getSimulation() != null) {
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LogScriptEngine.this.gui.getSimulation().stopSimulation();
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}
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stopSimulation = true;
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} else {
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gui.doQuit(false);
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quitCooja = true;
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}
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/* Make sure simulation is actually stopped */
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gui.getSimulation().scheduleEvent(new TimeEvent(0) {
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public void execute(long time) {
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if (stopSimulation) {
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LogScriptEngine.this.gui.getSimulation().stopSimulation();
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stopSimulation = false;
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}
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if (quitCooja) {
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LogScriptEngine.this.gui.doQuit(false);
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quitCooja = false;
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}
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}
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}, gui.getSimulation().getSimulationTime());
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}
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});
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@ -239,8 +408,7 @@ public class LogScriptEngine {
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scriptMote = new ScriptMote();
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engine.put("node", scriptMote);
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/* TODO Test script */
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logObserver.update(null, null);
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registerLogObserver();
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}
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}
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