neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/util/PortUtils.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.groupbasedpolicy.neutron.mapper.util;
  10
  11 import java.util.Collections;
  12 import java.util.HashSet;
  13 import java.util.List;
  14 import java.util.Set;
  15
  16 import javax.annotation.Nullable;
  17
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.binding.rev150712.PortBindingExtension;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  23
  24 import com.google.common.base.Optional;
  25
  26 public class PortUtils {
  27
  28     public static final String DEVICE_OWNER_DHCP = "network:dhcp";
  29     public static final String DEVICE_OWNER_ROUTER_IFACE = "network:router_interface";
  30     public static final String DEVICE_OWNER_ROUTER_GATEWAY = "network:router_gateway";
  31     public static final String DEVICE_OWNER_FLOATING_IP = "network:floatingip";
  32     public static final String DEVICE_VIF_TYPE = "vhostuser";
  33
  34     public static Optional<Port> findPort(Uuid uuid, @Nullable Ports ports) {
  35         if (ports == null || ports.getPort() == null) {
  36             return Optional.absent();
  37         }
  38         for (Port port : ports.getPort()) {
  39             if (port.getUuid().equals(uuid)) {
  40                 return Optional.of(port);
  41             }
  42         }
  43         return Optional.absent();
  44     }
  45
  46     public static Set<Port> findRouterInterfacePorts(@Nullable Ports ports) {
  47         if (ports == null || ports.getPort() == null) {
  48             return Collections.emptySet();
  49         }
  50         Set<Port> routerInterfacePorts = new HashSet<>();
  51         for (Port port : ports.getPort()) {
  52             if (isRouterInterfacePort(port)) {
  53                 routerInterfacePorts.add(port);
  54             }
  55         }
  56         return routerInterfacePorts;
  57     }
  58
  59     public static Set<Port> findPortsBySubnet(Uuid subnetUuid, @Nullable Ports ports) {
  60         if (ports == null || ports.getPort() == null) {
  61             return Collections.emptySet();
  62         }
  63         Set<Port> portsWithSubnet = new HashSet<>();
  64         for (Port port : ports.getPort()) {
  65             List<FixedIps> fixedIps = port.getFixedIps();
  66             if (fixedIps != null && !fixedIps.isEmpty()) {
  67                 for (FixedIps ipWithSubnet : fixedIps) {
  68                     if (ipWithSubnet.getSubnetId().equals(subnetUuid)) {
  69                         portsWithSubnet.add(port);
  70                     }
  71                 }
  72             }
  73         }
  74         return portsWithSubnet;
  75     }
  76
  77     public static Optional<FixedIps> resolveFirstFixedIps(Port port) {
  78         List<FixedIps> fixedIps = port.getFixedIps();
  79         if (fixedIps != null && !fixedIps.isEmpty()) {
  80             return Optional.of(fixedIps.get(0));
  81         }
  82         return Optional.absent();
  83     }
  84
  85     public static boolean isNormalPort(Port port) {
  86         if (isDhcpPort(port) || isRouterInterfacePort(port) || isRouterGatewayPort(port) || isFloatingIpPort(port)) {
  87             return false;
  88         }
  89         return true;
  90     }
  91
  92     public static boolean isDhcpPort(Port port) {
  93         return DEVICE_OWNER_DHCP.equals(port.getDeviceOwner());
  94     }
  95
  96     public static boolean isQrouterPort(Port port) {
  97         return DEVICE_OWNER_ROUTER_IFACE.equals(port.getDeviceOwner())
  98             && port.getAugmentation(PortBindingExtension.class) != null
  99             && DEVICE_VIF_TYPE.equals(port.getAugmentation(PortBindingExtension.class).getVifType());
 100     }
 101
 102     public static boolean isRouterInterfacePort(Port port) {
 103         return DEVICE_OWNER_ROUTER_IFACE.equals(port.getDeviceOwner());
 104     }
 105
 106     public static boolean isRouterGatewayPort(Port port) {
 107         return DEVICE_OWNER_ROUTER_GATEWAY.equals(port.getDeviceOwner());
 108     }
 109
 110     public static boolean isFloatingIpPort(Port port) {
 111         return DEVICE_OWNER_FLOATING_IP.equals(port.getDeviceOwner());
 112     }
 113 }