Merge pull request #717 from MicheleIessi/utilization-link-cost

Fixed link cost calculation

src/main/java/net/floodlightcontroller/topology/TopologyInstance.java

@@ -748,7 +748,7 @@ public class TopologyInstance {
 
                     if ((bpsTx / 10^6) / 8 > 1) {
                         int cost = (int) (bpsTx / 10^6) / 8;
-                        linkCost.put(link, ((1/cost)*1000));
+                        linkCost.put(link, cost);
                     } else {
                         linkCost.put(link, MAX_LINK_WEIGHT);
                     }
@@ -1430,4 +1430,4 @@ public class TopologyInstance {
     public Set<DatapathId> getArchipelagoIds() {
         return archipelagos.stream().map(a -> a.getId()).collect(Collectors.toSet());
     }
-} 
\ No newline at end of file
+}