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
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  14 import org.opendaylight.vpnservice.interfacemgr.IfmConstants;
  15 import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
  16 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  17 import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  18 import org.opendaylight.vpnservice.mdsalutil.MatchInfo;
  19 import org.opendaylight.vpnservice.mdsalutil.NwConstants;
  20 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  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.InterfaceKey;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfo;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServices;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlan;
  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.Collection;
  35 import java.util.Collections;
  36 import java.util.Comparator;
  37 import java.util.List;
  38
  39 public class FlowBasedServicesStateBindHelper {
  40     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedServicesStateBindHelper.class);
  41
  42     public static List<ListenableFuture<Void>> bindServicesOnInterface(Interface ifaceState,
  43                                                              DataBroker dataBroker) {
  44         List<ListenableFuture<Void>> futures = new ArrayList<>();
  45         ServicesInfo servicesInfo = FlowBasedServicesUtils.getServicesInfoForInterface(ifaceState.getName(), dataBroker);
  46         if (servicesInfo == null) {
  47             return futures;
  48         }
  49
  50         List<BoundServices> allServices = servicesInfo.getBoundServices();
  51         if (allServices == null || allServices.isEmpty()) {
  52             return futures;
  53         }
  54
  55         InterfaceKey interfaceKey = new InterfaceKey(ifaceState.getName());
  56         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
  57                     InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
  58
  59         if (iface.getType().isAssignableFrom(L2vlan.class)) {
  60             return bindServiceOnVlan(allServices, iface, ifaceState.getIfIndex(), dataBroker);
  61         } else if (iface.getType().isAssignableFrom(Tunnel.class)){
  62              return bindServiceOnTunnel(allServices, iface, ifaceState.getIfIndex(), dataBroker);
  63         }
  64         return futures;
  65     }
  66
  67     private static List<ListenableFuture<Void>> bindServiceOnTunnel(
  68             List<BoundServices> allServices,
  69             org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface,
  70             Integer ifIndex, DataBroker dataBroker) {
  71         List<ListenableFuture<Void>> futures = new ArrayList<>();
  72         NodeConnectorId nodeConnectorId = FlowBasedServicesUtils.getNodeConnectorIdFromInterface(iface, dataBroker);
  73         long portNo = Long.parseLong(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
  74         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
  75         List<MatchInfo> matches = FlowBasedServicesUtils.getMatchInfoForTunnelPortAtIngressTable (dpId, portNo, iface);
  76         BoundServices highestPriorityBoundService = FlowBasedServicesUtils.getHighestPriorityService(allServices);
  77         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  78         if (matches != null) {
  79             FlowBasedServicesUtils.installInterfaceIngressFlow(dpId, iface, highestPriorityBoundService,
  80                     t, matches, ifIndex, NwConstants.VLAN_INTERFACE_INGRESS_TABLE);
  81         }
  82
  83         for (BoundServices boundService : allServices) {
  84             if (!boundService.equals(highestPriorityBoundService)) {
  85                 FlowBasedServicesUtils.installLPortDispatcherFlow(dpId, boundService, iface, t, ifIndex, boundService.getServicePriority(), (short) (boundService.getServicePriority()+1));
  86             }
  87         }
  88
  89         futures.add(t.submit());
  90         return futures;
  91     }
  92
  93     private static List<ListenableFuture<Void>> bindServiceOnVlan(
  94             List<BoundServices> allServices,
  95             org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface,
  96             Integer ifIndex, DataBroker dataBroker) {
  97         List<ListenableFuture<Void>> futures = new ArrayList<>();
  98         NodeConnectorId nodeConnectorId = FlowBasedServicesUtils.getNodeConnectorIdFromInterface(iface, dataBroker);
  99         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 100         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 101         Collections.sort(allServices, new Comparator<BoundServices>() {
 102             @Override
 103             public int compare(BoundServices serviceInfo1, BoundServices serviceInfo2) {
 104                 return serviceInfo1.getServicePriority().compareTo(serviceInfo2.getServicePriority());
 105             }
 106         });
 107         BoundServices highestPriority = allServices.remove(0);
 108         short nextServiceIndex = (short) (allServices.size() > 0 ? allServices.get(0).getServicePriority() : highestPriority.getServicePriority() + 1);
 109         FlowBasedServicesUtils.installLPortDispatcherFlow(dpId, highestPriority, iface, t, ifIndex, IfmConstants.DEFAULT_SERVICE_INDEX, nextServiceIndex);
 110         BoundServices prev = null;
 111         for (BoundServices boundService : allServices) {
 112             if (prev!=null) {
 113                 FlowBasedServicesUtils.installLPortDispatcherFlow(dpId, prev, iface, t, ifIndex, prev.getServicePriority(), boundService.getServicePriority());
 114             }
 115             prev = boundService;
 116         }
 117         if (prev!=null) {
 118             FlowBasedServicesUtils.installLPortDispatcherFlow(dpId, prev, iface, t, ifIndex, prev.getServicePriority(), (short) (prev.getServicePriority()+1));
 119         }
 120         futures.add(t.submit());
 121         return futures;
 122
 123     }
 124
 125 }