2 * Copyright (c) 2016, 2017 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.genius.interfacemanager.servicebindings.flowbased.config.helpers;
10 import com.google.common.util.concurrent.ListenableFuture;
11 import java.math.BigInteger;
12 import java.util.ArrayList;
13 import java.util.List;
14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
15 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
16 import org.opendaylight.genius.interfacemanager.InterfacemgrProvider;
17 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
18 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.config.factory.FlowBasedServicesConfigAddable;
19 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
20 import org.opendaylight.genius.mdsalutil.NwConstants;
21 import org.opendaylight.genius.utils.ServiceIndex;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceModeBase;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.ServicesInfo;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServices;
28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
32 public class FlowBasedEgressServicesConfigBindHelper implements FlowBasedServicesConfigAddable {
33 private static final Logger LOG = LoggerFactory.getLogger(FlowBasedEgressServicesConfigBindHelper.class);
35 private final InterfacemgrProvider interfaceMgrProvider;
36 private static volatile FlowBasedServicesConfigAddable flowBasedEgressServicesAddable;
38 private FlowBasedEgressServicesConfigBindHelper(InterfacemgrProvider interfaceMgrProvider) {
39 this.interfaceMgrProvider = interfaceMgrProvider;
42 public static void intitializeFlowBasedEgressServicesConfigAddHelper(InterfacemgrProvider interfaceMgrProvider) {
43 if (flowBasedEgressServicesAddable == null) {
44 synchronized (FlowBasedEgressServicesConfigBindHelper.class) {
45 if (flowBasedEgressServicesAddable == null) {
46 flowBasedEgressServicesAddable = new FlowBasedEgressServicesConfigBindHelper(interfaceMgrProvider);
52 public static FlowBasedServicesConfigAddable getFlowBasedEgressServicesAddHelper() {
53 if (flowBasedEgressServicesAddable == null) {
54 LOG.error("OvsInterfaceConfigAdd Renderer is not initialized");
56 return flowBasedEgressServicesAddable;
60 public List<ListenableFuture<Void>> bindService(InstanceIdentifier<BoundServices> instanceIdentifier,
61 BoundServices boundServiceNew) {
62 List<ListenableFuture<Void>> futures = new ArrayList<>();
63 DataBroker dataBroker = interfaceMgrProvider.getDataBroker();
64 String interfaceName = InstanceIdentifier.keyOf(instanceIdentifier.firstIdentifierOf(ServicesInfo.class))
66 org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
67 .ietf.interfaces.rev140508.interfaces.state.Interface ifState = InterfaceManagerCommonUtils
68 .getInterfaceStateFromOperDS(interfaceName, dataBroker);
69 if (ifState == null) {
70 LOG.warn("Interface not operational, not binding Service for Interface: {}", interfaceName);
74 Class<? extends ServiceModeBase> serviceMode = InstanceIdentifier
75 .keyOf(instanceIdentifier.firstIdentifierOf(ServicesInfo.class)).getServiceMode();
76 // Get the Parent ServiceInfo
77 ServicesInfo servicesInfo = FlowBasedServicesUtils.getServicesInfoForInterface(interfaceName, serviceMode,
79 if (servicesInfo == null) {
80 LOG.error("Reached Impossible part 1 in the code during bind service for: {}", boundServiceNew);
84 List<BoundServices> allServices = servicesInfo.getBoundServices();
85 if (allServices.isEmpty()) {
86 LOG.error("Reached Impossible part 2 in the code during bind service for: {}", boundServiceNew);
90 if (L2vlan.class.equals(ifState.getType()) || Tunnel.class.equals(ifState.getType())) {
91 bindService(boundServiceNew, allServices, ifState, dataBroker);
96 private static List<ListenableFuture<Void>> bindService(BoundServices boundServiceNew,
97 List<BoundServices> allServices,
98 org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
99 .ietf.interfaces.rev140508.interfaces.state.Interface ifState,
100 DataBroker dataBroker) {
101 List<ListenableFuture<Void>> futures = new ArrayList<>();
102 BigInteger dpId = FlowBasedServicesUtils.getDpnIdFromInterface(ifState);
103 WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
104 Interface iface = InterfaceManagerCommonUtils.getInterfaceFromConfigDS(ifState.getName(), dataBroker);
105 LOG.info("binding egress service {} for interface: {}", boundServiceNew.getServiceName(), ifState.getName());
106 if (allServices.size() == 1) {
107 // calling LportDispatcherTableForService with current service index
108 // as 0 and next service index as
109 // some value since this is the only service bound.
110 FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, boundServiceNew, ifState.getName(), transaction,
111 ifState.getIfIndex(), NwConstants.DEFAULT_SERVICE_INDEX,
112 (short) (boundServiceNew.getServicePriority() + 1), iface);
113 if (transaction != null) {
114 futures.add(transaction.submit());
118 allServices.remove(boundServiceNew);
119 BoundServices[] highLowPriorityService = FlowBasedServicesUtils.getHighAndLowPriorityService(allServices,
121 BoundServices low = highLowPriorityService[0];
122 BoundServices high = highLowPriorityService[1];
123 BoundServices highest = FlowBasedServicesUtils.getHighestPriorityService(allServices);
124 short currentServiceIndex = NwConstants.DEFAULT_SERVICE_INDEX;
125 short nextServiceIndex = ServiceIndex.getIndex(NwConstants.DEFAULT_EGRESS_SERVICE_NAME,
126 NwConstants.DEFAULT_EGRESS_SERVICE_INDEX); // dummy service
129 nextServiceIndex = low.getServicePriority();
130 if (low.equals(highest)) {
131 // In this case the match criteria of existing service should be
133 BoundServices lower = FlowBasedServicesUtils.getHighAndLowPriorityService(allServices, low)[0];
134 short lowerServiceIndex = (short) (lower != null ? lower.getServicePriority()
135 : low.getServicePriority() + 1);
137 "Installing egress dispatcher table entry for existing service {} service match on "
138 + "service index {} update with service index {}",
139 low, low.getServicePriority(), lowerServiceIndex);
140 FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, low, ifState.getName(), transaction,
141 ifState.getIfIndex(), low.getServicePriority(), lowerServiceIndex, iface);
143 currentServiceIndex = boundServiceNew.getServicePriority();
147 currentServiceIndex = boundServiceNew.getServicePriority();
148 if (high.equals(highest)) {
150 "Installing egress dispatcher table entry for existing service {} service match on "
151 + "service index {} update with service index {}",
152 high, NwConstants.DEFAULT_SERVICE_INDEX, currentServiceIndex);
153 FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, high, ifState.getName(), transaction,
154 ifState.getIfIndex(), NwConstants.DEFAULT_SERVICE_INDEX, currentServiceIndex, iface);
157 "Installing egress dispatcher table entry for existing service {} service match on "
158 + "service index {} update with service index {}",
159 high, high.getServicePriority(), currentServiceIndex);
160 FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, high, ifState.getName(), transaction,
161 ifState.getIfIndex(), high.getServicePriority(), currentServiceIndex, iface);
165 "Installing egress dispatcher table entry "
166 + "for new service match on service index {} update with service index {}",
167 currentServiceIndex, nextServiceIndex);
168 FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, boundServiceNew, ifState.getName(), transaction,
169 ifState.getIfIndex(), currentServiceIndex, nextServiceIndex, iface);
170 futures.add(transaction.submit());