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only deliver packets that are not null to app mote

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This commit is contained in:
joxe 2010-01-23 11:26:32 +00:00
parent 057750b109
commit 123c612614
1 changed files with 4 additions and 2 deletions
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6
tools/cooja/java/se/sics/cooja/motes/AbstractApplicationMote.java
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@ -24,7 +24,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: AbstractApplicationMote.java,v 1.7 2009/11/27 15:53:10 fros4943 Exp $
* $Id: AbstractApplicationMote.java,v 1.8 2010/01/23 11:26:32 joxe Exp $
*/
package se.sics.cooja.motes;
@ -72,7 +72,9 @@ public abstract class AbstractApplicationMote extends AbstractWakeupMote impleme
public void update(Observable obs, Object obj) {
ApplicationRadio radio = (ApplicationRadio) obs;
if (radio.getLastEvent() == Radio.RadioEvent.RECEPTION_FINISHED) {
receivedPacket(radio.getLastPacketReceived());
/* only send in packets when they exist */
if (radio.getLastPacketReceived() != null)
receivedPacket(radio.getLastPacketReceived());
} else if (radio.getLastEvent() == Radio.RadioEvent.TRANSMISSION_FINISHED) {
sentPacket(radio.getLastPacketTransmitted());
}