Added Meter object accounting

Change-Id: I2a3b88ffd1756b738e197943b3e02771f5729e45
diff --git a/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OpenFlowControllerImpl.java b/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OpenFlowControllerImpl.java
index 4ef4d81..26cfb6d 100644
--- a/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OpenFlowControllerImpl.java
+++ b/openflow/ctl/src/main/java/org/onosproject/openflow/controller/impl/OpenFlowControllerImpl.java
@@ -306,6 +306,9 @@
                 case PORT:
                     executorMsgs.submit(new OFMessageHandler(dpid, reply));
                     break;
+                case METER:
+                    executorMsgs.submit(new OFMessageHandler(dpid, reply));
+                    break;
                 case EXPERIMENTER:
                     if (reply instanceof OFCalientFlowStatsReply) {
                         // Convert Calient flow statistics to regular flow stats
@@ -353,6 +356,7 @@
                     }
                     break;
                 default:
+                    log.warn("Discarding unknown stats reply type {}", reply.getStatsType());
                     break;
             }
             break;