2 * Copyright (c) 2018 Red Hat, Inc. and others. All rights reserved.
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
8 package org.opendaylight.netvirt.natservice.ha;
10 import java.math.BigInteger;
11 import java.util.ArrayList;
12 import java.util.HashSet;
13 import java.util.List;
16 import java.util.concurrent.ConcurrentHashMap;
17 import java.util.concurrent.ConcurrentMap;
18 import javax.inject.Inject;
19 import javax.inject.Singleton;
20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
21 import org.opendaylight.netvirt.natservice.api.NatSwitchCache;
22 import org.opendaylight.netvirt.natservice.api.NatSwitchCacheListener;
23 import org.opendaylight.netvirt.natservice.api.SwitchInfo;
24 import org.opendaylight.netvirt.natservice.internal.NatUtil;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
29 public class NatSwitchCacheImpl implements NatSwitchCache {
31 private static final Logger LOG = LoggerFactory.getLogger(NatSwitchCacheImpl.class);
32 ConcurrentMap<BigInteger,SwitchInfo> switchMap = new ConcurrentHashMap<>();
34 private final List<NatSwitchCacheListener> centralizedSwitchCacheListenerList =
35 new ArrayList<NatSwitchCacheListener>();
36 private final DataBroker dataBroker;
39 public NatSwitchCacheImpl(final DataBroker dataBroker) {
40 this.dataBroker = dataBroker;
44 public void addSwitch(BigInteger dpnId) {
45 LOG.info("addSwitch: Retrieving the provider config for {}", dpnId);
46 Map<String, String> providerMappingsMap = NatUtil.getOpenvswitchOtherConfigMap(dpnId, dataBroker);
47 SwitchInfo switchInfo = new SwitchInfo();
48 switchInfo.setDpnId(dpnId);
49 switchInfo.setProviderNets(providerMappingsMap.keySet());
50 switchMap.put(dpnId, switchInfo);
51 for (NatSwitchCacheListener centralizedSwitchCacheListener : centralizedSwitchCacheListenerList) {
52 centralizedSwitchCacheListener.switchAddedToCache(switchInfo);
57 public void removeSwitch(BigInteger dpnId) {
58 LOG.info("removeSwitch: Removing {} dpnId to switchWeightsMap", dpnId);
59 SwitchInfo switchInfo = switchMap.get(dpnId);
60 for (NatSwitchCacheListener centralizedSwitchCacheListener : centralizedSwitchCacheListenerList) {
61 centralizedSwitchCacheListener.switchRemovedFromCache(switchInfo);
66 public boolean isSwitchConnectedToExternal(BigInteger dpnId, String providerNet) {
67 SwitchInfo switchInfo = switchMap.get(dpnId);
68 if (switchInfo != null) {
69 return switchInfo.getProviderNets().contains(providerNet);
75 public Set<BigInteger> getSwitchesConnectedToExternal(String providerNet) {
76 Set<BigInteger> switches = new HashSet<>();
77 for (Map.Entry<BigInteger,SwitchInfo> switchesEntrySet : switchMap.entrySet()) {
78 Set<String> providerNetSet = switchesEntrySet.getValue().getProviderNets();
79 if (providerNetSet != null && providerNetSet.contains(providerNet)) {
80 switches.add(switchesEntrySet.getKey());
86 public void register(NatSwitchCacheListener centralizedSwitchCacheListener) {
87 if (centralizedSwitchCacheListener != null) {
88 centralizedSwitchCacheListenerList.add(centralizedSwitchCacheListener);