interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/servicebindings/flowbased/state/helpers/FlowBasedEgressServicesStateBindHelper.java

   1 /*
   2  * Copyright (c) 2016 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.state.helpers;
   9
  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.genius.interfacemanager.IfmConstants;
  14 import org.opendaylight.genius.interfacemanager.IfmUtil;
  15 import org.opendaylight.genius.interfacemanager.InterfacemgrProvider;
  16 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  17 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.state.factory.FlowBasedServicesStateAddable;
  18 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  19 import org.opendaylight.genius.mdsalutil.MatchInfo;
  20 import org.opendaylight.genius.mdsalutil.NwConstants;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceModeBase;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceModeEgress;
  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.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 import java.math.BigInteger;
  33 import java.util.ArrayList;
  34 import java.util.Collections;
  35 import java.util.List;
  36
  37 public class FlowBasedEgressServicesStateBindHelper implements FlowBasedServicesStateAddable{
  38     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedEgressServicesStateBindHelper.class);
  39
  40     private InterfacemgrProvider interfaceMgrProvider;
  41     private static volatile FlowBasedServicesStateAddable flowBasedServicesStateAddable;
  42
  43     private FlowBasedEgressServicesStateBindHelper(InterfacemgrProvider interfaceMgrProvider) {
  44         this.interfaceMgrProvider = interfaceMgrProvider;
  45     }
  46
  47     public static void intitializeFlowBasedEgressServicesStateBindHelper(InterfacemgrProvider interfaceMgrProvider) {
  48         if (flowBasedServicesStateAddable == null) {
  49             synchronized (FlowBasedEgressServicesStateBindHelper.class) {
  50                 if (flowBasedServicesStateAddable == null) {
  51                     flowBasedServicesStateAddable = new FlowBasedEgressServicesStateBindHelper(interfaceMgrProvider);
  52                 }
  53             }
  54         }
  55     }
  56
  57     public static FlowBasedServicesStateAddable getFlowBasedEgressServicesStateBindHelper() {
  58         if (flowBasedServicesStateAddable == null) {
  59             LOG.error("OvsInterfaceConfigAdd Renderer is not initialized");
  60         }
  61         return flowBasedServicesStateAddable;
  62     }
  63
  64     public List<ListenableFuture<Void>> bindServicesOnInterface(Interface ifaceState) {
  65         List<ListenableFuture<Void>> futures = new ArrayList<>();
  66         if(ifaceState.getType() == null) {
  67             return futures;
  68         }
  69         LOG.debug("binding services on interface {}", ifaceState.getName());
  70         DataBroker dataBroker = interfaceMgrProvider.getDataBroker();
  71         ServicesInfo servicesInfo = FlowBasedServicesUtils.getServicesInfoForInterface(ifaceState.getName(), ServiceModeEgress.class, dataBroker);
  72         if (servicesInfo == null) {
  73             LOG.trace("service info is null for interface {}", ifaceState.getName());
  74             return futures;
  75         }
  76
  77         List<BoundServices> allServices = servicesInfo.getBoundServices();
  78         if (allServices == null || allServices.isEmpty()) {
  79             LOG.trace("bound services is empty for interface {}", ifaceState.getName());
  80             return futures;
  81         }
  82
  83         if (ifaceState.getType().isAssignableFrom(L2vlan.class)) {
  84             return bindServiceOnVlan(allServices, ifaceState, dataBroker);
  85         } else if (ifaceState.getType().isAssignableFrom(Tunnel.class)){
  86             return bindServiceOnTunnel(allServices, ifaceState, dataBroker);
  87         }
  88         return futures;
  89     }
  90
  91     private static List<ListenableFuture<Void>> bindServiceOnTunnel(
  92             List<BoundServices> allServices, Interface ifState, DataBroker dataBroker) {
  93         List<ListenableFuture<Void>> futures = new ArrayList<>();
  94         // FIXME : not supported yet
  95         return futures;
  96     }
  97
  98     private static List<ListenableFuture<Void>> bindServiceOnVlan(
  99             List<BoundServices> allServices,
 100             Interface ifState, DataBroker dataBroker) {
 101         List<ListenableFuture<Void>> futures = new ArrayList<>();
 102         NodeConnectorId nodeConnectorId = FlowBasedServicesUtils.getNodeConnectorIdFromInterface(ifState);
 103         BigInteger dpId = IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId);
 104         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 105         Collections.sort(allServices,
 106                 (serviceInfo1, serviceInfo2) -> serviceInfo1.getServicePriority().compareTo(serviceInfo2.getServicePriority()));
 107         BoundServices highestPriority = allServices.remove(0);
 108         short nextServiceIndex = (short) (allServices.size() > 0 ? allServices.get(0).getServicePriority() : highestPriority.getServicePriority() + 1);
 109         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface = InterfaceManagerCommonUtils.getInterfaceFromConfigDS(ifState.getName(), dataBroker);
 110         FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, highestPriority, ifState.getName(), t, ifState.getIfIndex(), NwConstants.DEFAULT_SERVICE_INDEX, nextServiceIndex, iface);
 111         BoundServices prev = null;
 112         for (BoundServices boundService : allServices) {
 113             if (prev!=null) {
 114                 FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, prev, ifState.getName(), t, ifState.getIfIndex(), prev.getServicePriority(), boundService.getServicePriority(), iface);
 115             }
 116             prev = boundService;
 117         }
 118         if (prev!=null) {
 119             FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, prev, ifState.getName(), t, ifState.getIfIndex(), prev.getServicePriority(), (short) (prev.getServicePriority()+1), iface);
 120         }
 121         futures.add(t.submit());
 122         return futures;
 123
 124     }
 125
 126 }