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 com.google.common.base.Optional;
  12
  13 import java.util.Collections;
  14 import java.util.HashSet;
  15 import java.util.List;
  16 import java.util.Set;
  17
  18 import javax.annotation.Nullable;
  19
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.NetworkDomainId;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.binding.rev150712.PortBindingExtension;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  26
  27 public class PortUtils {
  28
  29     public static final String DEVICE_OWNER_DHCP = "network:dhcp";
  30     public static final String DEVICE_OWNER_ROUTER_IFACE = "network:router_interface";
  31     public static final String DEVICE_OWNER_ROUTER_GATEWAY = "network:router_gateway";
  32     public static final String DEVICE_OWNER_FLOATING_IP = "network:floatingip";
  33     public static final String DEVICE_VIF_TYPE = "vhostuser";
  34
  35     public static Optional<Port> findPort(Uuid uuid, @Nullable Ports ports) {
  36         if (ports == null || ports.getPort() == null) {
  37             return Optional.absent();
  38         }
  39         for (Port port : ports.getPort()) {
  40             if (port.getUuid().equals(uuid)) {
  41                 return Optional.of(port);
  42             }
  43         }
  44         return Optional.absent();
  45     }
  46
  47     public static Set<Port> findRouterInterfacePorts(@Nullable Ports ports) {
  48         if (ports == null || ports.getPort() == null) {
  49             return Collections.emptySet();
  50         }
  51         Set<Port> routerInterfacePorts = new HashSet<>();
  52         for (Port port : ports.getPort()) {
  53             if (isRouterInterfacePort(port)) {
  54                 routerInterfacePorts.add(port);
  55             }
  56         }
  57         return routerInterfacePorts;
  58     }
  59
  60     public static Set<Port> findPortsBySubnet(Uuid subnetUuid, @Nullable Ports ports) {
  61         if (ports == null || ports.getPort() == null) {
  62             return Collections.emptySet();
  63         }
  64         Set<Port> portsWithSubnet = new HashSet<>();
  65         for (Port port : ports.getPort()) {
  66             List<FixedIps> fixedIps = port.getFixedIps();
  67             if (fixedIps != null && !fixedIps.isEmpty()) {
  68                 for (FixedIps ipWithSubnet : fixedIps) {
  69                     if (ipWithSubnet.getSubnetId().equals(subnetUuid)) {
  70                         portsWithSubnet.add(port);
  71                     }
  72                 }
  73             }
  74         }
  75         return portsWithSubnet;
  76     }
  77
  78     public static Optional<FixedIps> resolveFirstFixedIps(Port port) {
  79         List<FixedIps> fixedIps = port.getFixedIps();
  80         if (fixedIps != null && !fixedIps.isEmpty()) {
  81             return Optional.of(fixedIps.get(0));
  82         }
  83         return Optional.absent();
  84     }
  85
  86     public static Optional<NetworkDomainId> resolveNetworkContainment(Port port) {
  87         Optional<FixedIps> firstFixedIps = PortUtils.resolveFirstFixedIps(port);
  88         if (firstFixedIps.isPresent() && firstFixedIps.get().getSubnetId() != null) {
  89             FixedIps ipWithSubnet = firstFixedIps.get();
  90             return Optional.of(new NetworkDomainId(ipWithSubnet.getSubnetId().getValue()));
  91         }
  92         return Optional.absent();
  93     }
  94
  95     public static boolean isNormalPort(Port port) {
  96         if (isDhcpPort(port) || isRouterInterfacePort(port) || isRouterGatewayPort(port) || isFloatingIpPort(port)) {
  97             return false;
  98         }
  99         return true;
 100     }
 101
 102     public static boolean isDhcpPort(Port port) {
 103         return DEVICE_OWNER_DHCP.equals(port.getDeviceOwner());
 104     }
 105
 106     public static boolean isQrouterOrVppRouterPort(Port port) {
 107         return DEVICE_OWNER_ROUTER_IFACE.equals(port.getDeviceOwner())
 108             && port.getAugmentation(PortBindingExtension.class) != null;
 109     }
 110
 111     public static boolean isRouterInterfacePort(Port port) {
 112         return DEVICE_OWNER_ROUTER_IFACE.equals(port.getDeviceOwner());
 113     }
 114
 115     public static boolean isRouterGatewayPort(Port port) {
 116         return DEVICE_OWNER_ROUTER_GATEWAY.equals(port.getDeviceOwner());
 117     }
 118
 119     public static boolean isFloatingIpPort(Port port) {
 120         return DEVICE_OWNER_FLOATING_IP.equals(port.getDeviceOwner());
 121     }
 122 }