Add possibility of "dead" cells

+ Cells can be killed/shutdown by using the setConnectivity method on a FiveGTopologyDatabase entry.
+ Add visualisation for "dead" cells
+ Cells can be killed and resurrected by clicking on them in the visualisation.

src/de/tud/kom/p2psim/impl/topology/views/DefaultLink.java

@@ -124,7 +124,7 @@ public class DefaultLink implements Link {
 	 * @return
 	 */
 	@Override
-	public final boolean isConnected() {
+	public boolean isConnected() {
 		return isConnected;
 	}
 

src/de/tud/kom/p2psim/impl/topology/views/FiveGTopologyView.java

@@ -325,7 +325,7 @@ public class FiveGTopologyView extends AbstractTopologyView<CellLink> {
 	/**
 	 * GroupIDs that act as clients and have access to access points.
 	 * 
-	 * @param cloudletGroups
+	 * @param accessPointGroups
 	 */
 	@SuppressWarnings("unchecked")
 	public void setAccessPointGroups(String[] accessPointGroups) {
@@ -451,6 +451,8 @@ public class FiveGTopologyView extends AbstractTopologyView<CellLink> {
 
 		@Override
 		public long getBandwidth(boolean isBroadcast) {
+			// if(!isConnected()) return 0;
+
 			assert (apLinkData != null && supportsAccessPoints)
 					|| apLinkData == null;
 			return apLinkData != null ? apLinkData.getBandwidth(isUpload)
@@ -459,6 +461,8 @@ public class FiveGTopologyView extends AbstractTopologyView<CellLink> {
 
 		@Override
 		public double getDropProbability() {
+			// if(!isConnected()) return 1;
+
 			assert (apLinkData != null && supportsAccessPoints)
 					|| apLinkData == null;
 			return apLinkData != null ? apLinkData.getDropProbability(isUpload)
@@ -467,12 +471,22 @@ public class FiveGTopologyView extends AbstractTopologyView<CellLink> {
 
 		@Override
 		public long getLatency() {
+			// if(!isConnected()) return 9999;
+
 			assert (apLinkData != null && supportsAccessPoints)
 					|| apLinkData == null;
 			return apLinkData != null ? apLinkData.getLatency(isUpload)
 					: linkData.getLatency(isUpload);
 		}
 
+		@Override
+		public boolean isConnected()
+		{
+			if(apLinkData != null) return apLinkData.getConnectivity();
+			if(linkData != null) return linkData.getConnectivity();
+			return false;
+		}
+
 	}
 
 	/**

src/de/tud/kom/p2psim/impl/topology/views/fiveg/AbstractGridBasedTopologyDatabase.java

@@ -27,6 +27,7 @@ import de.tud.kom.p2psim.impl.topology.views.VisualizationTopologyView.Visualiza
 import de.tud.kom.p2psim.impl.topology.views.visualization.world.FiveGVisualization;
 import de.tudarmstadt.maki.simonstrator.api.Event;
 import de.tudarmstadt.maki.simonstrator.api.EventHandler;
+import de.tudarmstadt.maki.simonstrator.api.Time;
 
 /**
  * Abstract base class working on grids of configurable size.
@@ -141,6 +142,8 @@ public abstract class AbstractGridBasedTopologyDatabase
 
 		private final long latencyUp, latencyDown, bandwidthUp, bandwidthDown;
 
+		private boolean connectivity = true;
+
 
 		/**
 		 * Segment offering both, cell and access point with different
@@ -173,19 +176,34 @@ public abstract class AbstractGridBasedTopologyDatabase
 
 		@Override
 		public double getDropProbability(boolean isUpload) {
+			if(!getConnectivity()) return 1;
 			return isUpload ? dropUp : dropDown;
 		}
 
 		@Override
 		public long getLatency(boolean isUpload) {
+			if(!getConnectivity()) return 9999 * Time.MILLISECOND;
 			return isUpload ? latencyUp : latencyDown;
 		}
 
 		@Override
 		public long getBandwidth(boolean isUpload) {
+			if(!getConnectivity()) return 0;
 			return isUpload ? bandwidthUp : bandwidthDown;
 		}
 
+		@Override
+		public boolean getConnectivity()
+		{
+			return connectivity;
+		}
+
+		@Override
+		public void setConnectivity(boolean connectivity)
+		{
+			this.connectivity = connectivity;
+		}
+
 	}
 
 }

src/de/tud/kom/p2psim/impl/topology/views/fiveg/FiveGTopologyDatabase.java

@@ -101,6 +101,20 @@ public interface FiveGTopologyDatabase {
 		 */
 		public long getBandwidth(boolean isUpload);
 
+		/**
+		 * Connectivity of the cell.
+		 *
+		 * @return <code>false</code> if the cell is broken down/damaged and upload/download isn't possible.
+		 * 			<code>true</code> otherwise.
+         */
+		boolean getConnectivity();
+
+		/**
+		 * Set the connectivity of the cell. When set to <code>false</code>, it should be impossible to upload or
+		 * download data via this cell. {@link CellLink} refers to this attribute when returning e.g. BW or drop rate.
+		 * @param connectivity
+         */
+		void setConnectivity(boolean connectivity);
 	}
 
 }

src/de/tud/kom/p2psim/impl/topology/views/visualization/world/FiveGVisualization.java

@@ -44,7 +44,7 @@ import de.tudarmstadt.maki.simonstrator.api.Time;
  * @author Bjoern Richerzhagen
  * @version 1.0, Nov 5, 2015
  */
-public class FiveGVisualization extends JComponent {
+public class FiveGVisualization extends JComponent implements VisualizationInjector.MouseClickListener{
 
 	protected BufferedImage image;
 
@@ -61,6 +61,8 @@ public class FiveGVisualization extends JComponent {
 		this.database = database;
 		image = new BufferedImage(VisualizationInjector.getWorldX(),
 				VisualizationInjector.getWorldY(), BufferedImage.TYPE_INT_ARGB);
+
+		VisualizationInjector.addMouseListener(this);
 	}
 
 	@Override
@@ -91,6 +93,8 @@ public class FiveGVisualization extends JComponent {
 		try {
 			drawEntries(g2);
 		} catch (RuntimeException e) {
+			e.printStackTrace();
+			System.exit(0);
 			needsRedraw = true;
 		}
 	}
@@ -112,10 +116,10 @@ public class FiveGVisualization extends JComponent {
 				if (entry == null) {
 					continue;
 				}
-				if (entry.getLatency(isUpload) > maxLatency) {
+				if (entry.getConnectivity() && entry.getLatency(isUpload) > maxLatency) {
 					maxLatency = entry.getLatency(isUpload);
 				}
-				if (entry.getLatency(isUpload) < minLatency) {
+				if (entry.getConnectivity() && entry.getLatency(isUpload) < minLatency) {
 					minLatency = entry.getLatency(isUpload);
 				}
 			}
@@ -135,17 +139,17 @@ public class FiveGVisualization extends JComponent {
 				// TODO add checkbox for upload/download toggle?
 
 				// Latency
-				double latencyFactor = (entry.getLatency(isUpload) - minLatency)
-						/ (maxLatency - minLatency);
+				double latencyFactor = entry.getConnectivity() ? (entry.getLatency(isUpload) - minLatency)
+						/ (maxLatency - minLatency) : 4;
 				g2.setColor(
-						new Color(255, 0, 0, 10 + (int) (40 * latencyFactor)));
+							new Color(255, 0, 0, 10 + (int) (40 * latencyFactor)));
 				g2.fillRect(x, y, stepSize, stepSize);
 
 				// Drop-Prob
 				g2.setColor(new Color(255, 0, 0,
 						10 + (int) (100 * entry.getDropProbability(isUpload))));
-				g2.setStroke(new BasicStroke(
-						(float) (10 * entry.getDropProbability(isUpload))));
+				float strokeWidth = entry.getConnectivity() ? (float) entry.getDropProbability(isUpload) : 0.2f;
+				g2.setStroke(new BasicStroke((10 * strokeWidth)));
 				g2.drawRect(x, y, stepSize, stepSize);
 				g2.setColor(new Color(255, 255, 255, 255));
 				g2.drawString("L: "
@@ -158,9 +162,26 @@ public class FiveGVisualization extends JComponent {
 				g2.drawString("BW: "
 						+ (int) (entry.getBandwidth(isUpload) / Rate.kbit_s)
 						+ " kBit/s", x + 10, y + 35);
+				if(!entry.getConnectivity())
+				{
+					g2.drawString("!DEAD!", x + 30, y + 70);
+				}
 			}
 		}
 
 	}
 
+	/**
+	 * When a grid cell is clicked, the cell changes it connectivity.
+	 * @param x
+	 * @param y
+     */
+	@Override
+	public void mouseClicked(int x, int y)
+	{
+		int segID = database.getSegmentID(x,y);
+		Entry entry = database.getEntryFor(segID, false);
+		entry.setConnectivity(!entry.getConnectivity());
+		needsRedraw = true;
+	}
 }