renderers/vpp/src/main/java/org/opendaylight/groupbasedpolicy/renderer/vpp/lisp/mappers/HostVrfRoutingInformationMapper.java

   1 /*
   2  * Copyright (c) 2017 Cisco Systems. 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.renderer.vpp.lisp.mappers;
  10
  11
  12 import com.google.common.base.Preconditions;
  13 import org.opendaylight.groupbasedpolicy.renderer.vpp.lisp.flat.overlay.RoutingInfo;
  14 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  15
  16 import java.util.HashMap;
  17
  18 /**
  19  * Created by Shakib Ahmed on 5/4/17.
  20  */
  21 public class HostVrfRoutingInformationMapper {
  22     HashMap<String, HashMap<Long, RoutingInfo> > mapper;
  23
  24     private static final HostVrfRoutingInformationMapper INSTANCE = new HostVrfRoutingInformationMapper();
  25
  26     private HostVrfRoutingInformationMapper() {
  27         mapper = new HashMap<>();
  28     }
  29
  30     public static HostVrfRoutingInformationMapper getInstance() {
  31         return INSTANCE;
  32     }
  33
  34     public void addRoutingVrfToHost(String hostId, long vrf, RoutingInfo routingInfo) {
  35         HashMap<Long, RoutingInfo> routingInfoMapper = mapper.get(hostId);
  36
  37         if (routingInfoMapper == null) {
  38             routingInfoMapper = new HashMap<>();
  39             mapper.put(hostId, routingInfoMapper);
  40         }
  41
  42         routingInfoMapper.put(vrf, routingInfo);
  43     }
  44
  45     public boolean vrfExists(String hostId, long vrf) {
  46         return mapper.containsKey(hostId) && mapper.get(hostId).containsKey(vrf);
  47     }
  48
  49     public String getProtocolName(String hostId, long vrf) {
  50         Preconditions.checkArgument(vrfExists(hostId, vrf));
  51
  52         return mapper.get(hostId).get(vrf).getProtocolName();
  53     }
  54
  55     public void addStaticRoute(String hostId, long vrf, Ipv4Address ip) {
  56         HashMap<Long, RoutingInfo> routingInfoMapper = mapper.get(hostId);
  57
  58         Preconditions.checkNotNull(routingInfoMapper, "Routing protocol not created, can't add route entry");
  59
  60         RoutingInfo routingInfo = routingInfoMapper.get(vrf);
  61
  62         Preconditions.checkNotNull(routingInfoMapper, "VRF was not created for this host");
  63
  64         routingInfo.addIpInVrf(ip);
  65     }
  66
  67     public Long getEndPointCountInVrf(String hostId, long vrf) {
  68         int count = 0;
  69
  70         if (vrfExists(hostId, vrf)) {
  71             count = mapper.get(hostId).get(vrf).getCount();
  72         }
  73         return (long) (count + 1);
  74     }
  75
  76     public boolean ipAlreadyExistsInHostVrf(String hostId, long vrf, Ipv4Address ip) {
  77         HashMap<Long, RoutingInfo> routingInfoMapper = mapper.get(hostId);
  78
  79         Preconditions.checkNotNull(routingInfoMapper, "Routing protocol not created, can't add route entry");
  80
  81         RoutingInfo routingInfo = routingInfoMapper.get(vrf);
  82
  83         return routingInfo.ipAlreadyExistsinVrf(ip);
  84     }
  85 }