Delete stale hidden IPs in FIB.
[netvirt.git] / vpnmanager / impl / src / main / java / org / opendaylight / netvirt / vpnmanager / iplearn / IpMonitorStopTask.java
1 /*
2  * Copyright © 2016, 2017 Ericsson India Global Services Pvt Ltd. 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 package org.opendaylight.netvirt.vpnmanager.iplearn;
9
10 import com.google.common.util.concurrent.ListenableFuture;
11 import java.util.ArrayList;
12 import java.util.List;
13 import java.util.concurrent.Callable;
14 import org.opendaylight.netvirt.vpnmanager.VpnUtil;
15 import org.opendaylight.netvirt.vpnmanager.iplearn.model.MacEntry;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.learnt.vpn.vip.to.port.data.LearntVpnVipToPort;
17 import org.slf4j.Logger;
18 import org.slf4j.LoggerFactory;
19
20 public class IpMonitorStopTask implements Callable<List<ListenableFuture<Void>>> {
21     private static final Logger LOG = LoggerFactory.getLogger(IpMonitorStopTask.class);
22     private MacEntry macEntry;
23     private final AlivenessMonitorUtils alivenessMonitorUtils;
24     private boolean isRemoveMipAdjAndLearntIp;
25     private final VpnUtil vpnUtil;
26
27     public IpMonitorStopTask(MacEntry macEntry, boolean removeMipAdjAndLearntIp, VpnUtil vpnUtil,
28                               AlivenessMonitorUtils alivenessMonitorUtils) {
29         this.macEntry = macEntry;
30         this.alivenessMonitorUtils = alivenessMonitorUtils;
31         this.isRemoveMipAdjAndLearntIp = removeMipAdjAndLearntIp;
32         this.vpnUtil = vpnUtil;
33     }
34
35     @Override
36     public List<ListenableFuture<Void>> call() {
37         final List<ListenableFuture<Void>> futures = new ArrayList<>();
38         java.util.Optional<Long> monitorIdOptional = AlivenessMonitorUtils.getMonitorIdFromInterface(macEntry);
39         monitorIdOptional.ifPresent(monitorId -> {
40             alivenessMonitorUtils.stopIpMonitoring(monitorId);
41         });
42
43         String learntIp = macEntry.getIpAddress().getHostAddress();
44         if (this.isRemoveMipAdjAndLearntIp) {
45             String vpnName =  macEntry.getVpnName();
46             LearntVpnVipToPort vpnVipToPort = vpnUtil.getLearntVpnVipToPort(vpnName, learntIp);
47             if (vpnVipToPort != null && !vpnVipToPort.getCreationTime().equals(macEntry.getCreatedTime())) {
48                 LOG.warn("The MIP {} over vpn {} has been learnt again and processed. "
49                         + "Ignoring this remove event.", learntIp, vpnName);
50                 return futures;
51             }
52             vpnUtil.removeMipAdjAndLearntIp(vpnName, macEntry.getInterfaceName(), learntIp);
53         } else {
54             // Delete only MIP adjacency
55             vpnUtil.removeMipAdjacency(macEntry.getInterfaceName(), learntIp);
56         }
57         return futures;
58     }
59
60
61 }