Adding Device Listiner to BgpRouter so that filtering rules are sent to the

driver only after the device is available.

Change-Id: I377402b87cee6c02c087efbcc4f0cff4f19e1ca3

@@ -67,7 +67,7 @@ import static org.onlab.util.Tools.groupedThreads;
 @Service
 @Service
 public class FlowObjectiveManager implements FlowObjectiveService {
 public class FlowObjectiveManager implements FlowObjectiveService {
 
 
-    public static final int INSTALL_RETRY_ATTEMPTS = 10;
+    public static final int INSTALL_RETRY_ATTEMPTS = 5;
     public static final long INSTALL_RETRY_INTERVAL = 1000; // ms
     public static final long INSTALL_RETRY_INTERVAL = 1000; // ms
 
 
     private final Logger log = LoggerFactory.getLogger(getClass());
     private final Logger log = LoggerFactory.getLogger(getClass());

@@ -270,7 +270,7 @@ public class OVSCorsaPipeline extends AbstractHandlerBehaviour implements Pipeli
             Criteria.IPProtocolCriterion ipProto = (Criteria.IPProtocolCriterion) selector
             Criteria.IPProtocolCriterion ipProto = (Criteria.IPProtocolCriterion) selector
                     .getCriterion(Criterion.Type.IP_PROTO);
                     .getCriterion(Criterion.Type.IP_PROTO);
             if (ipSrc != null) {
             if (ipSrc != null) {
-                log.warn("Driver currently does not currently handle matching Src IP");
+                log.warn("Driver does not currently handle matching Src IP");
                 fail(fwd, ObjectiveError.UNSUPPORTED);
                 fail(fwd, ObjectiveError.UNSUPPORTED);
                 return Collections.emptySet();
                 return Collections.emptySet();
             }
             }
@@ -797,7 +797,8 @@ public class OVSCorsaPipeline extends AbstractHandlerBehaviour implements Pipeli
                 }
                 }
                 pass(obj);
                 pass(obj);
                 pendingGroups.invalidate(key);
                 pendingGroups.invalidate(key);
-                log.info("Heard back from group service for group {}", obj.id());
+                log.info("Heard back from group service for group {}. "
+                        + "Applying pending forwarding objectives", obj.id());
                 flowObjectiveStore.putNextGroup(obj.id(), new CorsaGroup(key));
                 flowObjectiveStore.putNextGroup(obj.id(), new CorsaGroup(key));
             });
             });
         }
         }