interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/servicebindings/flowbased/statehelpers/FlowBasedServicesStateBindHelper.java

   1 /*
   2  * Copyright (c) 2015 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.vpnservice.interfacemgr.servicebindings.flowbased.statehelpers;
   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.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.vpnservice.mdsalutil.NwConstants;
  19 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.L2vlan;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  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.inventory.rev130819.NodeConnectorId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfo;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServices;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlan;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 import java.math.BigInteger;
  32 import java.util.ArrayList;
  33 import java.util.List;
  34
  35 public class FlowBasedServicesStateBindHelper {
  36     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedServicesStateBindHelper.class);
  37
  38     public static List<ListenableFuture<Void>> bindServicesOnInterface(Interface ifaceState,
  39                                                              DataBroker dataBroker) {
  40         List<ListenableFuture<Void>> futures = new ArrayList<>();
  41         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  42         ServicesInfo servicesInfo = FlowBasedServicesUtils.getServicesInfoForInterface(ifaceState.getName(), dataBroker);
  43         if (servicesInfo == null) {
  44             return futures;
  45         }
  46
  47         List<BoundServices> allServices = servicesInfo.getBoundServices();
  48         if (allServices == null || allServices.isEmpty()) {
  49             return futures;
  50         }
  51
  52         BoundServices highestPriorityBoundService = null;
  53         short highestPriority = 0xFF;
  54         for (BoundServices boundService : allServices) {
  55             if (boundService.getServicePriority() < highestPriority) {
  56                 highestPriorityBoundService = boundService;
  57                 highestPriority = boundService.getServicePriority();
  58             }
  59         }
  60
  61         InterfaceKey interfaceKey = new InterfaceKey(ifaceState.getName());
  62         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
  63                     InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
  64
  65         NodeConnectorId nodeConnectorId = FlowBasedServicesUtils.getNodeConnectorIdFromInterface(iface, dataBroker);
  66         long portNo = Long.parseLong(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
  67         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
  68         List<MatchInfo> matches = null;
  69         if (iface.getType().isAssignableFrom(L2vlan.class)) {
  70             matches = FlowBasedServicesUtils.getMatchInfoForVlanPortAtIngressTable(dpId, portNo, iface);
  71         } else if (iface.getType().isAssignableFrom(Tunnel.class)){
  72             matches = FlowBasedServicesUtils.getMatchInfoForTunnelPortAtIngressTable (dpId, portNo, iface);
  73         }
  74
  75         if (matches != null) {
  76             FlowBasedServicesUtils.installInterfaceIngressFlow(dpId, iface, highestPriorityBoundService,
  77                     t, matches, ifaceState.getIfIndex(), NwConstants.VLAN_INTERFACE_INGRESS_TABLE);
  78         }
  79
  80         for (BoundServices boundService : allServices) {
  81             if (!boundService.equals(highestPriorityBoundService)) {
  82                 FlowBasedServicesUtils.installLPortDispatcherFlow(dpId, boundService, iface, t, ifaceState.getIfIndex());
  83             }
  84         }
  85
  86         futures.add(t.submit());
  87         return futures;
  88     }
  89 }