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added shutdown hook for make sure the minimal-net application is killed when cooja exits without shutting down all plugins

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This commit is contained in:
fros4943 2009-06-25 17:43:13 +00:00
parent e36479f0b5
commit 4525bcb8f0
1 changed files with 23 additions and 3 deletions
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26
tools/cooja/apps/native_gateway/java/se/sics/cooja/plugins/NativeIPGateway.java
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: NativeIPGateway.java,v 1.4 2009/04/23 08:59:22 fros4943 Exp $
* $Id: NativeIPGateway.java,v 1.5 2009/06/25 17:43:13 fros4943 Exp $
*/
package se.sics.cooja.plugins;
@ -38,11 +38,13 @@ import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.Observable;
import java.util.Observer;
import java.util.Vector;
import java.io.*;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
@ -60,6 +62,7 @@ import jpcap.JpcapSender;
import jpcap.NetworkInterface;
import jpcap.packet.EthernetPacket;
import jpcap.packet.IPPacket;
import org.apache.log4j.Logger;
import org.jdom.Element;
@ -70,7 +73,6 @@ import se.sics.cooja.Plugin;
import se.sics.cooja.PluginType;
import se.sics.cooja.Simulation;
import se.sics.cooja.interfaces.SerialPort;
import se.sics.cooja.util.StringUtils;
@ClassDescription("Open Native IP Gateway")
@PluginType(PluginType.MOTE_PLUGIN)
@ -125,6 +127,7 @@ public class NativeIPGateway implements Plugin {
private String restoreRoutesCmd = null;
private Process tunProcess = null;
private Thread shutdownHook = null;
private final static String TUNNEL_APP_TARGET = "minimal-net";
private boolean shouldDisableLoopbackForwarding = false;
private boolean shouldEnableRPFilter = false;
@ -576,6 +579,18 @@ public class NativeIPGateway implements Plugin {
logger.info("> " + tunAppCmd[0]);
tunProcess = Runtime.getRuntime().exec(tunAppCmd, null, tunContikiAppDir);
/* Shutdown hook: kill minimal-net process */
shutdownHook = new Thread(new Runnable() {
public void run() {
if (tunProcess == null) {
return;
}
tunProcess.destroy();
tunProcess = null;
}
});
Runtime.getRuntime().addShutdownHook(shutdownHook);
/* Waiting some time - otherwise pcap may not discover the new interface */
Thread.sleep(250);
@ -959,6 +974,11 @@ public class NativeIPGateway implements Plugin {
}
deleteTunInterface();
if (shutdownHook != null) {
Runtime.getRuntime().removeShutdownHook(shutdownHook);
shutdownHook = null;
}
}
public void tagWithObject(Object tag) {