CORD-800 Use new interface vlan config for VLAN assignment

In addition
  - Change the name and type of INTERNAL_VLAN

Change-Id: I48bb89cc1cb1fe4155b4d889b1e7384c8bf673fa
diff --git a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/HostHandler.java b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/HostHandler.java
index 62ab1ce..b229793 100644
--- a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/HostHandler.java
+++ b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/HostHandler.java
@@ -16,10 +16,10 @@
 
 package org.onosproject.segmentrouting;
 
-import org.onlab.packet.Ip4Prefix;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
+import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.Host;
 import org.onosproject.net.HostLocation;
@@ -42,6 +42,8 @@
 import com.google.common.collect.Sets;
 import java.util.Set;
 
+import static org.onosproject.segmentrouting.SegmentRoutingManager.INTERNAL_VLAN;
+
 /**
  * Handles host-related events.
  */
@@ -258,15 +260,8 @@
     private ForwardingObjective.Builder hostFwdObjBuilder(
             DeviceId deviceId, MacAddress mac, VlanId vlanId,
             PortNumber outport) {
-        // Get assigned VLAN for the subnets
-        VlanId outvlan = null;
-        // FIXME L2 forwarding should consider also IPv6
-        Ip4Prefix subnet = srManager.deviceConfiguration.getPortIPv4Subnet(deviceId, outport);
-        if (subnet == null) {
-            outvlan = VlanId.vlanId(SegmentRoutingManager.ASSIGNED_VLAN_NO_SUBNET);
-        } else {
-            outvlan = srManager.getSubnetAssignedVlanId(deviceId, subnet);
-        }
+        VlanId untaggedVlan = srManager.getUntaggedVlanId(new ConnectPoint(deviceId, outport));
+        VlanId outvlan = (untaggedVlan != null) ? untaggedVlan : INTERNAL_VLAN;
 
         // match rule
         TrafficSelector.Builder sbuilder = DefaultTrafficSelector.builder();