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separate mote tick lists enabling less radio interference and more realistic(?) simulations

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experimental fixed random seed for now
This commit is contained in:
fros4943 2007-05-29 07:27:10 +00:00
parent ad43dbf25f
commit 68cbf124ae
1 changed files with 36 additions and 3 deletions
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39
tools/cooja/java/se/sics/cooja/Simulation.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: Simulation.java,v 1.11 2007/03/23 21:38:45 fros4943 Exp $
* $Id: Simulation.java,v 1.12 2007/05/29 07:27:10 fros4943 Exp $
*/
package se.sics.cooja;
@ -76,6 +76,14 @@ public class Simulation extends Observable implements Runnable {
private GUI myGUI = null;
private long tickListRandomSeed = 123456;
private int currentTickListIndex = 0;
private int nrTickLists = 3;
private Random tickListRandom = new Random();
// Tick observable
private class TickObservable extends Observable {
private void allTicksPerformed() {
@ -118,12 +126,37 @@ public class Simulation extends Observable implements Runnable {
this.setChanged();
this.notifyObservers(this);
// Distribute motes in tick lists according to random seed
// TODO Timeconsuming approach (but only performed once)
int motesToDistribute = motes.size();
Mote[][] allLists = new Mote[nrTickLists][];
for (int i=0; i < nrTickLists; i++) {
allLists[i] = new Mote[(int) Math.ceil((double)motesToDistribute/(double)(nrTickLists - i))];
motesToDistribute -= allLists[i].length;
}
// Distribute motes according to seed
tickListRandom.setSeed(tickListRandomSeed);
Vector<Mote> motesClone = (Vector<Mote>) motes.clone();
for (int i=0; i < allLists.length; i++) {
for (int j=0; j < allLists[i].length; j++) {
int moteNr = tickListRandom.nextInt(motesClone.size());
allLists[i][j] = motesClone.remove(moteNr);
}
}
while (isRunning) {
try {
// Tick all motes
for (Mote moteToTick : motes) {
// Tick current mote subset
for (Mote moteToTick : allLists[currentTickListIndex]) {
moteToTick.tick(currentSimulationTime);
}
// Select next mote subset (persistent)
currentTickListIndex++;
if (currentTickListIndex >= nrTickLists)
currentTickListIndex = 0;
// Increase simulation time
currentSimulationTime += tickTime;