openstack/net-virt-providers/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/providers/openflow13/services/RoutingService.java

   1 /*
   2  * Copyright (c) 2014, 2015 Red Hat, Inc. 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
   9 package org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.services;
  10
  11 import java.math.BigInteger;
  12 import java.net.Inet6Address;
  13 import java.net.InetAddress;
  14 import java.util.List;
  15
  16 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
  17 import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
  18 import org.opendaylight.ovsdb.openstack.netvirt.api.RoutingProvider;
  19 import org.opendaylight.ovsdb.openstack.netvirt.providers.ConfigInterface;
  20 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.AbstractServiceInstance;
  21 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.OF13Provider;
  22 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.Service;
  23 import org.opendaylight.ovsdb.openstack.netvirt.api.Status;
  24 import org.opendaylight.ovsdb.openstack.netvirt.api.StatusCode;
  25 import org.opendaylight.ovsdb.utils.mdsal.openflow.ActionUtils;
  26 import org.opendaylight.ovsdb.utils.mdsal.openflow.MatchUtils;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionKey;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCaseBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.apply.actions._case.ApplyActionsBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
  41 //import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  43
  44 import com.google.common.collect.Lists;
  45 import org.osgi.framework.BundleContext;
  46 import org.osgi.framework.ServiceReference;
  47 import org.slf4j.Logger;
  48 import org.slf4j.LoggerFactory;
  49
  50 public class RoutingService extends AbstractServiceInstance implements RoutingProvider, ConfigInterface {
  51     private static final Logger LOG = LoggerFactory.getLogger(RoutingService.class);
  52     public RoutingService() {
  53         super(Service.ROUTING);
  54     }
  55
  56     public RoutingService(Service service) {
  57         super(service);
  58     }
  59
  60     @Override
  61     public Status programRouterInterface(Long dpid, String sourceSegId, String destSegId, String macAddress,
  62                                          InetAddress address, int mask, Action action) {
  63
  64         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
  65
  66         MatchBuilder matchBuilder = new MatchBuilder();
  67         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
  68
  69         // Instructions List Stores Individual Instructions
  70         InstructionsBuilder isb = new InstructionsBuilder();
  71         List<Instruction> instructions = Lists.newArrayList();
  72         InstructionBuilder ib = new InstructionBuilder();
  73         ApplyActionsBuilder aab = new ApplyActionsBuilder();
  74         ActionBuilder ab = new ActionBuilder();
  75         List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actionList = Lists.newArrayList();
  76
  77         if (sourceSegId.equals(Constants.EXTERNAL_NETWORK)) {
  78             // If matching on external network, use register reserved for InboundNatService to ensure that
  79             // ip rewrite is meant to be consumed by this destination tunnel id.
  80             MatchUtils.addNxRegMatch(matchBuilder,
  81                     new MatchUtils.RegMatch(InboundNatService.REG_FIELD, Long.valueOf(destSegId)));
  82         } else {
  83             MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(sourceSegId));
  84         }
  85
  86         if (address instanceof Inet6Address) {
  87             // WORKAROUND: For now ipv6 is not supported
  88             // TODO: implement ipv6 case
  89             LOG.debug("ipv6 address is not implemented yet. address {}",
  90                       address);
  91             new Status(StatusCode.NOTIMPLEMENTED);
  92         }
  93         final String prefixString = address.getHostAddress() + "/" + mask;
  94         MatchUtils.createDstL3IPv4Match(matchBuilder, new Ipv4Prefix(prefixString));
  95
  96         // Set source Mac address
  97         ab.setAction(ActionUtils.setDlSrcAction(new MacAddress(macAddress)));
  98         ab.setOrder(0);
  99         ab.setKey(new ActionKey(0));
 100         actionList.add(ab.build());
 101
 102         // DecTTL
 103         ab.setAction(ActionUtils.decNwTtlAction());
 104         ab.setOrder(1);
 105         ab.setKey(new ActionKey(1));
 106         actionList.add(ab.build());
 107
 108         // Set Destination Tunnel ID
 109         ab.setAction(ActionUtils.setTunnelIdAction(new BigInteger(destSegId)));
 110         ab.setOrder(2);
 111         ab.setKey(new ActionKey(2));
 112         actionList.add(ab.build());
 113
 114         // Create Apply Actions Instruction
 115         aab.setAction(actionList);
 116         ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
 117         ib.setOrder(0);
 118         ib.setKey(new InstructionKey(0));
 119         instructions.add(ib.build());
 120
 121         // Goto Next Table
 122         ib = getMutablePipelineInstructionBuilder();
 123         ib.setOrder(2);
 124         ib.setKey(new InstructionKey(2));
 125         instructions.add(ib.build());
 126
 127         FlowBuilder flowBuilder = new FlowBuilder();
 128         flowBuilder.setMatch(matchBuilder.build());
 129         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
 130
 131         String flowId = "Routing_" + sourceSegId + "_" + destSegId + "_" + prefixString;
 132         flowBuilder.setId(new FlowId(flowId));
 133         FlowKey key = new FlowKey(new FlowId(flowId));
 134         flowBuilder.setBarrier(true);
 135         flowBuilder.setTableId(this.getTable());
 136         flowBuilder.setKey(key);
 137         flowBuilder.setPriority(2048);
 138         flowBuilder.setFlowName(flowId);
 139         flowBuilder.setHardTimeout(0);
 140         flowBuilder.setIdleTimeout(0);
 141
 142         if (action.equals(Action.ADD)) {
 143             writeFlow(flowBuilder, nodeBuilder);
 144         } else {
 145             removeFlow(flowBuilder, nodeBuilder);
 146         }
 147
 148         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 149         return new Status(StatusCode.SUCCESS);
 150     }
 151
 152     @Override
 153     public Status programDefaultRouteEntry(Long dpid, String segmentationId, String macAddress,
 154                                            InetAddress nextHop, Action action) {
 155
 156         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
 157
 158         MatchBuilder matchBuilder = new MatchBuilder();
 159         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
 160
 161         MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
 162
 163         // Instructions List Stores Individual Instructions
 164         InstructionsBuilder isb = new InstructionsBuilder();
 165         List<Instruction> instructions = Lists.newArrayList();
 166         InstructionBuilder ib = new InstructionBuilder();
 167         ApplyActionsBuilder aab = new ApplyActionsBuilder();
 168         ActionBuilder ab = new ActionBuilder();
 169         List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actionList = Lists.newArrayList();
 170
 171
 172         // Set source Mac address
 173         ab.setAction(ActionUtils.setDlSrcAction(new MacAddress(macAddress)));
 174         ab.setOrder(0);
 175         ab.setKey(new ActionKey(0));
 176         actionList.add(ab.build());
 177
 178         // DecTTL
 179         ab.setAction(ActionUtils.decNwTtlAction());
 180         ab.setOrder(1);
 181         ab.setKey(new ActionKey(1));
 182         actionList.add(ab.build());
 183
 184         // Create Apply Actions Instruction
 185         aab.setAction(actionList);
 186         ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
 187         ib.setOrder(0);
 188         ib.setKey(new InstructionKey(0));
 189         instructions.add(ib.build());
 190
 191         // Goto Next Table
 192         ib = getMutablePipelineInstructionBuilder();
 193         ib.setOrder(1);
 194         ib.setKey(new InstructionKey(1));
 195         instructions.add(ib.build());
 196
 197         FlowBuilder flowBuilder = new FlowBuilder();
 198         flowBuilder.setMatch(matchBuilder.build());
 199         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
 200
 201         String flowId = "DefaultRoute_" + nextHop.getHostAddress();
 202         flowBuilder.setId(new FlowId(flowId));
 203         FlowKey key = new FlowKey(new FlowId(flowId));
 204         flowBuilder.setBarrier(true);
 205         flowBuilder.setTableId(this.getTable());
 206         flowBuilder.setKey(key);
 207         flowBuilder.setPriority(1024);
 208         flowBuilder.setFlowName(flowId);
 209         flowBuilder.setHardTimeout(0);
 210         flowBuilder.setIdleTimeout(0);
 211
 212         if (action.equals(Action.ADD)) {
 213             writeFlow(flowBuilder, nodeBuilder);
 214         } else {
 215             removeFlow(flowBuilder, nodeBuilder);
 216         }
 217
 218         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 219         return new Status(StatusCode.SUCCESS);
 220     }
 221
 222     @Override
 223     public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {
 224         super.setDependencies(bundleContext.getServiceReference(RoutingProvider.class.getName()), this);
 225     }
 226
 227     @Override
 228     public void setDependencies(Object impl) {
 229
 230     }
 231 }