interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/servicebindings/flowbased/config/helpers/FlowBasedIngressServicesConfigUnbindHelper.java

   1 /*
   2  * Copyright (c) 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.genius.interfacemanager.servicebindings.flowbased.config.helpers;
   9
  10 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  11
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.concurrent.ConcurrentHashMap;
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18 import org.apache.aries.blueprint.annotation.service.Reference;
  19 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  20 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  21 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  22 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  23 import org.opendaylight.genius.mdsalutil.MatchInfo;
  24 import org.opendaylight.genius.mdsalutil.NwConstants;
  25 import org.opendaylight.mdsal.binding.api.DataBroker;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.L2vlan;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.Tunnel;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.bound.services.state.list.BoundServicesState;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServices;
  31 import org.opendaylight.yangtools.yang.common.Uint64;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 @Singleton
  36 public class FlowBasedIngressServicesConfigUnbindHelper extends AbstractFlowBasedServicesConfigUnbindHelper {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedIngressServicesConfigUnbindHelper.class);
  39
  40     private final ManagedNewTransactionRunner txRunner;
  41     private final InterfaceManagerCommonUtils interfaceManagerCommonUtils;
  42
  43     @Inject
  44     public FlowBasedIngressServicesConfigUnbindHelper(@Reference final DataBroker dataBroker,
  45             final InterfaceManagerCommonUtils interfaceManagerCommonUtils) {
  46         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  47         this.interfaceManagerCommonUtils = interfaceManagerCommonUtils;
  48     }
  49
  50     @Override
  51     protected void unbindServiceOnInterface(List<ListenableFuture<Void>> futures, BoundServices boundServiceOld,
  52                                             List<BoundServices> boundServices, BoundServicesState boundServicesState) {
  53         // Split based on type of interface....
  54         if (L2vlan.class.equals(boundServicesState.getInterfaceType())) {
  55             unbindServiceOnVlan(futures, boundServiceOld, boundServices, boundServicesState);
  56         } else if (Tunnel.class.equals(boundServicesState.getInterfaceType())) {
  57             unbindServiceOnTunnel(futures, boundServiceOld, boundServices, boundServicesState);
  58         }
  59     }
  60
  61     private void unbindServiceOnVlan(List<ListenableFuture<Void>> futures, BoundServices boundServiceOld,
  62                                             List<BoundServices> boundServices, BoundServicesState boundServicesState) {
  63         LOG.info("unbinding ingress service {} for vlan port: {}", boundServiceOld.getServiceName(),
  64                 boundServicesState.getInterfaceName());
  65         futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx -> {
  66             Uint64 dpId = boundServicesState.getDpid();
  67             if (boundServices == null || boundServices.isEmpty()) {
  68                 // Remove default entry from Lport Dispatcher Table.
  69                 FlowBasedServicesUtils.removeLPortDispatcherFlow(dpId, boundServicesState.getInterfaceName(),
  70                         boundServiceOld, tx, NwConstants.DEFAULT_SERVICE_INDEX);
  71                 return;
  72             }
  73             BoundServices[] highLow =
  74                     FlowBasedServicesUtils.getHighAndLowPriorityService(boundServices, boundServiceOld);
  75             BoundServices low = highLow[0];
  76             BoundServices high = highLow[1];
  77             // This means the one removed was the highest priority service
  78             if (high == null) {
  79                 LOG.trace("Deleting ingress dispatcher table entry for service {}, match service index {}",
  80                         boundServiceOld, NwConstants.DEFAULT_SERVICE_INDEX);
  81                 FlowBasedServicesUtils.removeLPortDispatcherFlow(dpId, boundServicesState.getInterfaceName(),
  82                         boundServiceOld, tx, NwConstants.DEFAULT_SERVICE_INDEX);
  83                 if (low != null) {
  84                     // delete the lower services flow entry.
  85                     LOG.trace("Deleting ingress dispatcher table entry for lower service {}, match service index {}",
  86                             low, low.getServicePriority().toJava());
  87                     FlowBasedServicesUtils.removeLPortDispatcherFlow(dpId, boundServicesState.getInterfaceName(), low,
  88                             tx, low.getServicePriority().toJava());
  89                     BoundServices lower = FlowBasedServicesUtils.getHighAndLowPriorityService(boundServices, low)[0];
  90                     short lowerServiceIndex = (short) (lower != null ? lower.getServicePriority().toJava()
  91                             : low.getServicePriority().toJava() + 1);
  92                     LOG.trace("Installing new ingress dispatcher table entry for lower service {}, match service index "
  93                                     + "{}, update service index {}",
  94                             low, NwConstants.DEFAULT_SERVICE_INDEX, lowerServiceIndex);
  95                     FlowBasedServicesUtils.installLPortDispatcherFlow(dpId, low, boundServicesState.getInterfaceName(),
  96                             tx, boundServicesState.getIfIndex(), NwConstants.DEFAULT_SERVICE_INDEX, lowerServiceIndex);
  97                 }
  98             } else {
  99                 LOG.trace("Deleting ingress dispatcher table entry for service {}, match service index {}",
 100                         boundServiceOld, boundServiceOld.getServicePriority());
 101                 FlowBasedServicesUtils.removeLPortDispatcherFlow(dpId, boundServicesState.getInterfaceName(),
 102                         boundServiceOld, tx, boundServiceOld.getServicePriority().toJava());
 103                 short lowerServiceIndex = (short) (low != null ? low.getServicePriority().toJava()
 104                         : boundServiceOld.getServicePriority().toJava() + 1);
 105                 BoundServices highest = FlowBasedServicesUtils.getHighestPriorityService(boundServices);
 106                 if (high.equals(highest)) {
 107                     LOG.trace("Update the existing higher service {}, match service index {}, update service index {}",
 108                             high, NwConstants.DEFAULT_SERVICE_INDEX, lowerServiceIndex);
 109                     FlowBasedServicesUtils.installLPortDispatcherFlow(dpId, high, boundServicesState.getInterfaceName(),
 110                             tx, boundServicesState.getIfIndex(), NwConstants.DEFAULT_SERVICE_INDEX, lowerServiceIndex);
 111                 } else {
 112                     LOG.trace("Update the existing higher service {}, match service index {}, update service index {}",
 113                             high, high.getServicePriority(), lowerServiceIndex);
 114                     FlowBasedServicesUtils.installLPortDispatcherFlow(dpId, high, boundServicesState.getInterfaceName(),
 115                             tx, boundServicesState.getIfIndex(), high.getServicePriority().toJava(), lowerServiceIndex);
 116                 }
 117             }
 118         }));
 119     }
 120
 121     private void unbindServiceOnTunnel(List<ListenableFuture<Void>> futures, BoundServices boundServiceOld,
 122                                        List<BoundServices> boundServices, BoundServicesState boundServicesState) {
 123         futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx -> {
 124             Uint64 dpId = boundServicesState.getDpid();
 125
 126             LOG.info("unbinding ingress service {} for tunnel port: {}", boundServiceOld.getServiceName(),
 127                     boundServicesState.getInterfaceName());
 128
 129             if (boundServices.isEmpty()) {
 130                 // Remove entry from Ingress Table.
 131                 FlowBasedServicesUtils.removeIngressFlow(boundServicesState.getInterfaceName(), boundServiceOld, dpId,
 132                         tx);
 133                 return;
 134             }
 135
 136             Map<Short, BoundServices> tmpServicesMap = new ConcurrentHashMap<>();
 137             short highestPriority = 0xFF;
 138             for (BoundServices boundService : boundServices) {
 139                 tmpServicesMap.put(boundService.getServicePriority().toJava(), boundService);
 140                 if (boundService.getServicePriority().toJava() < highestPriority) {
 141                     highestPriority = boundService.getServicePriority().toJava();
 142                 }
 143             }
 144
 145             if (highestPriority < boundServiceOld.getServicePriority().toJava()) {
 146                 FlowBasedServicesUtils.removeLPortDispatcherFlow(dpId, boundServicesState.getInterfaceName(),
 147                         boundServiceOld, tx, boundServiceOld.getServicePriority().toJava());
 148                 return;
 149             }
 150
 151             List<MatchInfo> matches;
 152             long portNo = boundServicesState.getPortNo().toJava();
 153             matches = FlowBasedServicesUtils.getMatchInfoForTunnelPortAtIngressTable(dpId, portNo);
 154
 155             BoundServices toBeMoved = tmpServicesMap.get(highestPriority);
 156             Interface iface =
 157                     interfaceManagerCommonUtils.getInterfaceFromConfigDS(boundServicesState.getInterfaceName());
 158             FlowBasedServicesUtils.removeIngressFlow(iface.getName(), boundServiceOld, dpId, tx);
 159             FlowBasedServicesUtils.installInterfaceIngressFlow(dpId, iface, toBeMoved, tx, matches,
 160                     boundServicesState.getIfIndex(), NwConstants.VLAN_INTERFACE_INGRESS_TABLE);
 161             FlowBasedServicesUtils.removeLPortDispatcherFlow(dpId, iface.getName(), toBeMoved, tx,
 162                     toBeMoved.getServicePriority().toJava());
 163         }));
 164     }
 165
 166     @Override
 167     protected void unbindServiceOnInterfaceType(List<ListenableFuture<Void>> futures, BoundServices boundServiceNew,
 168                                                 List<BoundServices> allServices) {
 169         LOG.info("unbindServiceOnInterfaceType Ingress - WIP");
 170     }
 171 }