Fixing port stats topo view rendering.

Change-Id: I6209268fc6dbdbf8914739305c35c5352a57a842

@@ -78,4 +78,19 @@ public class DefaultEdgeLink extends DefaultLink implements EdgeLink {
                                    location, isIngress);
     }
 
+    /**
+     * Creates a an edge link, to the specified end-station.
+     *
+     * @param host      host
+     * @param isIngress true to indicate host-to-network direction; false
+     *                  for network-to-host direction
+     * @return new phantom edge link
+     */
+    public static DefaultEdgeLink createEdgeLink(Host host, boolean isIngress) {
+        checkNotNull(host, "Host cannot be null");
+        return new DefaultEdgeLink(ProviderId.NONE,
+                                   new ConnectPoint(host.id(), PortNumber.P0),
+                                   host.location(), isIngress);
+    }
+
 }

@@ -601,7 +601,8 @@ public abstract class TopologyViewMessageHandlerBase extends UiMessageHandler {
 
     private void addEdgeLinks(Map<LinkKey, BiLink> biLinks) {
         hostService.getHosts().forEach(host -> {
-            addLink(biLinks, createEdgeLink(host.location(), false));
+            addLink(biLinks, createEdgeLink(host, true));
+            addLink(biLinks, createEdgeLink(host, false));
         });
     }
 
@@ -722,7 +723,7 @@ public abstract class TopologyViewMessageHandlerBase extends UiMessageHandler {
             for (Link link : links) {
                 BiLink biLink = addLink(biLinks, link);
                 if (showTraffic) {
-                    biLink.addLoad(flowStatsService.load(link));
+                    biLink.addLoad(getLinkLoad(link));
                 }
                 biLink.addClass(type);
             }