2 * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. 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.vpnservice.interfacemgr.servicebindings.flowbased.confighelpers;
10 import com.google.common.util.concurrent.ListenableFuture;
11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
12 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
13 import org.opendaylight.vpnservice.interfacemgr.IfmConstants;
14 import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
15 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
16 import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
17 import org.opendaylight.vpnservice.mdsalutil.MatchInfo;
18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfo;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServices;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlan;
27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
31 import java.math.BigInteger;
32 import java.util.ArrayList;
33 import java.util.List;
35 import java.util.concurrent.ConcurrentHashMap;
37 public class FlowBasedServicesConfigUnbindHelper {
38 private static final Logger LOG = LoggerFactory.getLogger(FlowBasedServicesConfigUnbindHelper.class);
40 public static List<ListenableFuture<Void>> unbindService(InstanceIdentifier<BoundServices> instanceIdentifier,
41 BoundServices boundServiceOld, DataBroker dataBroker) {
42 List<ListenableFuture<Void>> futures = new ArrayList<>();
43 WriteTransaction t = dataBroker.newWriteOnlyTransaction();
45 String interfaceName =
46 InstanceIdentifier.keyOf(instanceIdentifier.firstIdentifierOf(ServicesInfo.class)).getInterfaceName();
47 org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState =
48 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceName, dataBroker);
49 if (ifState == null || ifState.getOperStatus() == OperStatus.Down) {
50 LOG.info("Not unbinding Service since operstatus is {} for Interface: {}",
51 ifState.getOperStatus(), interfaceName);
55 // Get the Parent ServiceInfo
56 ServicesInfo servicesInfo = FlowBasedServicesUtils.getServicesInfoForInterface(interfaceName, dataBroker);
57 if (servicesInfo == null) {
58 LOG.error("Reached Impossible part in the code for bound service: {}", boundServiceOld);
62 InterfaceKey interfaceKey = new InterfaceKey(interfaceName);
63 Interface iface = InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
64 NodeConnectorId nodeConnectorId = FlowBasedServicesUtils.getNodeConnectorIdFromInterface(iface, dataBroker);
65 long portNo = Long.parseLong(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
66 BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
67 Long lportTag = FlowBasedServicesUtils.getLPortTag(iface, dataBroker);
69 if (iface.getType().isAssignableFrom(L2vlan.class)) {
70 IfL2vlan l2vlan = iface.getAugmentation(IfL2vlan.class);
72 vlanId = iface.getAugmentation(IfL2vlan.class).getVlanId().getValue();
75 List<BoundServices> boundServices = servicesInfo.getBoundServices();
76 if (boundServices.isEmpty()) {
77 // Remove entry from Ingress Table.
78 FlowBasedServicesUtils.removeIngressFlow(iface, boundServiceOld, dpId, dataBroker, t);
80 futures.add(t.submit());
85 Map<Short, BoundServices> tmpServicesMap = new ConcurrentHashMap<>();
86 short highestPriority = 0xFF;
87 for (BoundServices boundService : boundServices) {
88 tmpServicesMap.put(boundService.getServicePriority(), boundService);
89 if (boundService.getServicePriority() < highestPriority) {
90 highestPriority = boundService.getServicePriority();
94 if (highestPriority < boundServiceOld.getServicePriority()) {
95 FlowBasedServicesUtils.removeLPortDispatcherFlow(dpId, iface, boundServiceOld, dataBroker, t);
97 futures.add(t.submit());
102 List<MatchInfo> matches = null;
103 if (iface.getType().isAssignableFrom(L2vlan.class)) {
104 matches = FlowBasedServicesUtils.getMatchInfoForVlanPortAtIngressTable(dpId, portNo, vlanId);
105 } else if (iface.getType().isAssignableFrom(Tunnel.class)){
106 matches = FlowBasedServicesUtils.getMatchInfoForTunnelPortAtIngressTable (dpId, portNo, iface);
109 BoundServices toBeMoved = tmpServicesMap.get(highestPriority);
110 FlowBasedServicesUtils.removeIngressFlow(iface, boundServiceOld, dpId, dataBroker, t);
111 FlowBasedServicesUtils.installInterfaceIngressFlow(dpId, iface.getName(), vlanId, toBeMoved, dataBroker, t,
112 matches, lportTag.intValue(), IfmConstants.VLAN_INTERFACE_INGRESS_TABLE);
113 FlowBasedServicesUtils.removeLPortDispatcherFlow(dpId, iface, toBeMoved, dataBroker, t);
116 futures.add(t.submit());