added shutdown hook for make sure the minimal-net application is killed when cooja exits without shutting down all plugins
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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: NativeIPGateway.java,v 1.4 2009/04/23 08:59:22 fros4943 Exp $
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* $Id: NativeIPGateway.java,v 1.5 2009/06/25 17:43:13 fros4943 Exp $
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*/
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package se.sics.cooja.plugins;
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@ -38,11 +38,13 @@ import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.ItemEvent;
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import java.awt.event.ItemListener;
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import java.io.File;
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import java.io.IOException;
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import java.util.Collection;
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import java.util.Observable;
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import java.util.Observer;
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import java.util.Vector;
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import java.io.*;
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import javax.swing.BorderFactory;
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import javax.swing.Box;
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import javax.swing.BoxLayout;
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@ -60,6 +62,7 @@ import jpcap.JpcapSender;
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import jpcap.NetworkInterface;
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import jpcap.packet.EthernetPacket;
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import jpcap.packet.IPPacket;
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import org.apache.log4j.Logger;
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import org.jdom.Element;
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@ -70,7 +73,6 @@ import se.sics.cooja.Plugin;
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import se.sics.cooja.PluginType;
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import se.sics.cooja.Simulation;
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import se.sics.cooja.interfaces.SerialPort;
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import se.sics.cooja.util.StringUtils;
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@ClassDescription("Open Native IP Gateway")
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@PluginType(PluginType.MOTE_PLUGIN)
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@ -125,6 +127,7 @@ public class NativeIPGateway implements Plugin {
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private String restoreRoutesCmd = null;
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private Process tunProcess = null;
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private Thread shutdownHook = null;
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private final static String TUNNEL_APP_TARGET = "minimal-net";
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private boolean shouldDisableLoopbackForwarding = false;
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private boolean shouldEnableRPFilter = false;
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@ -576,6 +579,18 @@ public class NativeIPGateway implements Plugin {
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logger.info("> " + tunAppCmd[0]);
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tunProcess = Runtime.getRuntime().exec(tunAppCmd, null, tunContikiAppDir);
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/* Shutdown hook: kill minimal-net process */
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shutdownHook = new Thread(new Runnable() {
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public void run() {
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if (tunProcess == null) {
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return;
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}
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tunProcess.destroy();
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tunProcess = null;
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}
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});
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Runtime.getRuntime().addShutdownHook(shutdownHook);
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/* Waiting some time - otherwise pcap may not discover the new interface */
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Thread.sleep(250);
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@ -959,6 +974,11 @@ public class NativeIPGateway implements Plugin {
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}
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deleteTunInterface();
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if (shutdownHook != null) {
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Runtime.getRuntime().removeShutdownHook(shutdownHook);
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shutdownHook = null;
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}
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}
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public void tagWithObject(Object tag) {
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