configurable xranc bind address and cleanup functions
diff --git a/src/main/java/org.onosproject.xran/impl/DefaultXranStore.java b/src/main/java/org.onosproject.xran/impl/DefaultXranStore.java
index 9a1a259..f7e2c07 100644
--- a/src/main/java/org.onosproject.xran/impl/DefaultXranStore.java
+++ b/src/main/java/org.onosproject.xran/impl/DefaultXranStore.java
@@ -65,7 +65,6 @@
     private ConcurrentMap<Long, RnibUe> ueMap = new ConcurrentHashMap<>();
     private ConcurrentMap<Object, RnibSlice> sliceMap = new ConcurrentHashMap<>();
     private XranController controller;
-
     private IdGenerator ueIdGenerator;
 
     @Activate
@@ -80,6 +79,12 @@
 
     @Deactivate
     public void deactivate() {
+        linkMap.clear();
+        cellMap.clear();
+        ueMap.clear();
+        sliceMap.clear();
+        controller = null;
+        ueIdGenerator = null;
         log.info("XRAN Default Store Stopped");
     }
 
@@ -99,7 +104,6 @@
                         .filter(k -> k.getEcgi().equals(ecgi))
                         .map(v -> linkMap.get(v))
                         .collect(Collectors.toList()));
-
         return list;
     }
 
diff --git a/src/main/java/org.onosproject.xran/impl/XranConfig.java b/src/main/java/org.onosproject.xran/impl/XranConfig.java
index e334892..ef83194 100644
--- a/src/main/java/org.onosproject.xran/impl/XranConfig.java
+++ b/src/main/java/org.onosproject.xran/impl/XranConfig.java
@@ -47,6 +47,8 @@
 
     private static final String IP_ADDR = "ip_addr";
 
+    private static final String XRANC_IP = "xranc_bind_ip";
+
     private static final String XRANC_PORT = "xranc_port";
 
     private static final String XRANC_CELLCONFIG_INTERVAL = "xranc_cellconfigrequest_interval_seconds";
@@ -115,6 +117,13 @@
     }
 
     /**
+     * Get IP where the Controller binds to.
+     *
+     * @return IP address in configuration
+     */
+    public IpAddress getXrancIp() { return IpAddress.valueOf(object.get(XRANC_IP).asText()); }
+
+    /**
      * Get port for xRAN controller server to bind to from configuration.
      *
      * @return port number