renderers/vpp/src/main/java/org/opendaylight/groupbasedpolicy/renderer/vpp/lisp/info/container/HostRelatedInfoContainer.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 package org.opendaylight.groupbasedpolicy.renderer.vpp.lisp.info.container;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.collect.HashBasedTable;
  12 import com.google.common.collect.Sets;
  13 import com.google.common.collect.Table;
  14
  15 import java.util.HashMap;
  16 import java.util.Set;
  17
  18 import org.opendaylight.groupbasedpolicy.renderer.vpp.lisp.info.container.states.PhysicalInterfaces;
  19 import org.opendaylight.groupbasedpolicy.renderer.vpp.listener.VppEndpointListener;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 public class HostRelatedInfoContainer {
  24     private HashMap<String, PhysicalInterfaces> hostNameToPhysicalInterfacesMapper;
  25
  26     //route IDs on an interface on a host
  27     private Table<String, String, Set<Long>> routeIdsByHostByVrf = HashBasedTable.create();
  28
  29     private static final HostRelatedInfoContainer INSTANCE = new HostRelatedInfoContainer();
  30
  31     private HostRelatedInfoContainer() {
  32         this.hostNameToPhysicalInterfacesMapper = new HashMap<>();
  33     }
  34
  35     public void addRouteToIntfc(String hostname, String intfName, Long routeId) {
  36         Preconditions.checkNotNull(hostname);
  37         Preconditions.checkNotNull(intfName);
  38         Preconditions.checkNotNull(routeId);
  39         if (routeIdsByHostByVrf.get(hostname, intfName) != null) {
  40             routeIdsByHostByVrf.get(hostname, intfName).add(routeId);
  41             return;
  42         }
  43         routeIdsByHostByVrf.put(hostname, intfName, Sets.newHashSet(routeId));
  44     }
  45
  46     public void deleteRouteFromIntfc(String hostname, String intfName, Long routeId) {
  47         Preconditions.checkNotNull(hostname);
  48         Preconditions.checkNotNull(intfName);
  49         Preconditions.checkNotNull(routeId);
  50         if (routeIdsByHostByVrf.get(hostname, intfName) != null) {
  51             routeIdsByHostByVrf.get(hostname, intfName).remove(routeId);
  52         }
  53     }
  54
  55     private static final Logger LOG = LoggerFactory.getLogger(VppEndpointListener.class);
  56
  57     public boolean intfcIsBusy(String hostname, String intfName) {
  58         Preconditions.checkNotNull(hostname);
  59         Preconditions.checkNotNull(intfName);
  60         if (routeIdsByHostByVrf.get(hostname, intfName) != null) {
  61             int size = routeIdsByHostByVrf.get(hostname, intfName).size();
  62             LOG.trace("ISPORTBUSY -> hostname: {}, inftName: {}, entries: {}", hostname, intfName,
  63                 routeIdsByHostByVrf.get(hostname, intfName));
  64             return size != 0;
  65         }
  66         LOG.trace("ISPORTBUSY -> not busy interface on hostname: {}, inftName: {}", hostname, intfName);
  67         return false;
  68     }
  69
  70     public static HostRelatedInfoContainer getInstance() {
  71         return INSTANCE;
  72     }
  73
  74     public PhysicalInterfaces getPhysicalInterfaceState(String hostName) {
  75         return hostNameToPhysicalInterfacesMapper.get(hostName);
  76     }
  77
  78     public void setPhysicalInterfaceStateOfHost(String hostName, PhysicalInterfaces physicalInterfaces) {
  79         hostNameToPhysicalInterfacesMapper.put(hostName, physicalInterfaces);
  80     }
  81
  82     public void removePhysicalInterfaceStateOfHost(String hostName) {
  83         //TODO should be called when host is removed
  84         hostNameToPhysicalInterfacesMapper.remove(hostName);
  85     }
  86 }