DHCP Handling for TOR VM

[vpnservice.git] / neutronvpn / neutronvpn-api / src / main / java / org / opendaylight / vpnservice / neutronvpn / api / utils / NeutronUtils.java

diff --git a/neutronvpn/neutronvpn-api/src/main/java/org/opendaylight/vpnservice/neutronvpn/api/utils/NeutronUtils.java b/neutronvpn/neutronvpn-api/src/main/java/org/opendaylight/vpnservice/neutronvpn/api/utils/NeutronUtils.java
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+++ b/neutronvpn/neutronvpn-api/src/main/java/org/opendaylight/vpnservice/neutronvpn/api/utils/NeutronUtils.java
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+/*
+ * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.vpnservice.neutronvpn.api.utils;
+
+import java.util.List;
+
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.binding.rev150712.PortBindingExtension;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeBase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeVxlan;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.provider.ext.rev150712.NetworkProviderExtension;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.provider.ext.rev150712.neutron.networks.network.Segments;
+
+public class NeutronUtils {
+    public static final String VNIC_TYPE_NORMAL = "normal";
+
+    public static boolean isPortVnicTypeNormal(Port port) {
+        PortBindingExtension portBinding = port.getAugmentation(PortBindingExtension.class);
+        if(portBinding == null || portBinding.getVnicType() == null) {
+            // By default, VNIC_TYPE is NORMAL
+            return true;
+        }
+        String vnicType = portBinding.getVnicType().trim().toLowerCase();
+        return vnicType.equals(VNIC_TYPE_NORMAL);
+    }
+
+    public static String getSegmentationIdFromNeutronNetwork(Network network) {
+        String segmentationId = null;
+        NetworkProviderExtension providerExtension = network.getAugmentation(NetworkProviderExtension.class);
+        if (providerExtension != null) {
+            segmentationId = providerExtension.getSegmentationId();
+            if (segmentationId == null) {
+                List<Segments> providerSegments = providerExtension.getSegments();
+                if (providerSegments != null && providerSegments.size() > 0) {
+                    for (Segments providerSegment: providerSegments) {
+                        if (isNetworkSegmentTypeVxlan(providerSegment)) {
+                            segmentationId = providerSegment.getSegmentationId();
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+        return segmentationId;
+    }
+
+    static boolean isNetworkSegmentTypeVxlan(Segments providerSegment) {
+        Class<? extends NetworkTypeBase> networkType = providerSegment.getNetworkType();
+        return (networkType != null && networkType.isAssignableFrom(NetworkTypeVxlan.class));
+    }
+}