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

   1 /*
   2  * Copyright (C) 2014 Red Hat, Inc.
   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  * Authors : Madhu Venugopal, Dave Tucker
   9  */
  10
  11 package org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.services;
  12
  13 import java.math.BigInteger;
  14 import java.net.InetAddress;
  15 import java.util.List;
  16
  17 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
  18 import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
  19 import org.opendaylight.ovsdb.openstack.netvirt.api.RoutingProvider;
  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
  46 public class RoutingService extends AbstractServiceInstance implements RoutingProvider {
  47     public RoutingService() {
  48         super(Service.ROUTING);
  49     }
  50
  51     public RoutingService(Service service) {
  52         super(service);
  53     }
  54
  55     @Override
  56     public Status programRouterInterface(Long dpid, String sourceSegId, String destSegId, String macAddress,
  57                                          InetAddress address, int mask, Action action) {
  58
  59         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
  60
  61         MatchBuilder matchBuilder = new MatchBuilder();
  62         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
  63
  64         // Instructions List Stores Individual Instructions
  65         InstructionsBuilder isb = new InstructionsBuilder();
  66         List<Instruction> instructions = Lists.newArrayList();
  67         InstructionBuilder ib = new InstructionBuilder();
  68         ApplyActionsBuilder aab = new ApplyActionsBuilder();
  69         ActionBuilder ab = new ActionBuilder();
  70         List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actionList = Lists.newArrayList();
  71
  72         String prefixString = address.getHostAddress() + "/" + mask;
  73         MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(sourceSegId));
  74         MatchUtils.createDstL3IPv4Match(matchBuilder, new Ipv4Prefix(prefixString));
  75
  76         // Set source Mac address
  77         ab.setAction(ActionUtils.setDlSrcAction(new MacAddress(macAddress)));
  78         ab.setOrder(0);
  79         ab.setKey(new ActionKey(0));
  80         actionList.add(ab.build());
  81
  82         // DecTTL
  83         ab.setAction(ActionUtils.decNwTtlAction());
  84         ab.setOrder(1);
  85         ab.setKey(new ActionKey(1));
  86         actionList.add(ab.build());
  87
  88         // Set Destination Tunnel ID
  89         ab.setAction(ActionUtils.setTunnelIdAction(new BigInteger(destSegId)));
  90         ab.setOrder(2);
  91         ab.setKey(new ActionKey(2));
  92         actionList.add(ab.build());
  93
  94         // Create Apply Actions Instruction
  95         aab.setAction(actionList);
  96         ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
  97         ib.setOrder(0);
  98         ib.setKey(new InstructionKey(0));
  99         instructions.add(ib.build());
 100
 101         // Goto Next Table
 102         ib = getMutablePipelineInstructionBuilder();
 103         ib.setOrder(2);
 104         ib.setKey(new InstructionKey(2));
 105         instructions.add(ib.build());
 106
 107         FlowBuilder flowBuilder = new FlowBuilder();
 108         flowBuilder.setMatch(matchBuilder.build());
 109         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
 110
 111         String flowId = "Routing_" + prefixString;
 112         flowBuilder.setId(new FlowId(flowId));
 113         FlowKey key = new FlowKey(new FlowId(flowId));
 114         flowBuilder.setBarrier(true);
 115         flowBuilder.setTableId(this.getTable());
 116         flowBuilder.setKey(key);
 117         flowBuilder.setPriority(2048);
 118         flowBuilder.setFlowName(flowId);
 119         flowBuilder.setHardTimeout(0);
 120         flowBuilder.setIdleTimeout(0);
 121
 122         if (action.equals(Action.ADD)) {
 123             writeFlow(flowBuilder, nodeBuilder);
 124         } else {
 125             removeFlow(flowBuilder, nodeBuilder);
 126         }
 127
 128         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 129         return new Status(StatusCode.SUCCESS);
 130     }
 131
 132     @Override
 133     public Status programDefaultRouteEntry(Long dpid, String segmentationId, String macAddress,
 134                                            InetAddress nextHop, Action action) {
 135
 136         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
 137
 138         MatchBuilder matchBuilder = new MatchBuilder();
 139         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
 140
 141         MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
 142
 143         // Instructions List Stores Individual Instructions
 144         InstructionsBuilder isb = new InstructionsBuilder();
 145         List<Instruction> instructions = Lists.newArrayList();
 146         InstructionBuilder ib = new InstructionBuilder();
 147         ApplyActionsBuilder aab = new ApplyActionsBuilder();
 148         ActionBuilder ab = new ActionBuilder();
 149         List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actionList = Lists.newArrayList();
 150
 151
 152         // Set source Mac address
 153         ab.setAction(ActionUtils.setDlSrcAction(new MacAddress(macAddress)));
 154         ab.setOrder(0);
 155         ab.setKey(new ActionKey(0));
 156         actionList.add(ab.build());
 157
 158         // DecTTL
 159         ab.setAction(ActionUtils.decNwTtlAction());
 160         ab.setOrder(1);
 161         ab.setKey(new ActionKey(1));
 162         actionList.add(ab.build());
 163
 164         // Create Apply Actions Instruction
 165         aab.setAction(actionList);
 166         ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
 167         ib.setOrder(0);
 168         ib.setKey(new InstructionKey(0));
 169         instructions.add(ib.build());
 170
 171         // Goto Next Table
 172         ib = getMutablePipelineInstructionBuilder();
 173         ib.setOrder(1);
 174         ib.setKey(new InstructionKey(1));
 175         instructions.add(ib.build());
 176
 177         FlowBuilder flowBuilder = new FlowBuilder();
 178         flowBuilder.setMatch(matchBuilder.build());
 179         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
 180
 181         String flowId = "DefaultRoute_" + nextHop.getHostAddress();
 182         flowBuilder.setId(new FlowId(flowId));
 183         FlowKey key = new FlowKey(new FlowId(flowId));
 184         flowBuilder.setBarrier(true);
 185         flowBuilder.setTableId(this.getTable());
 186         flowBuilder.setKey(key);
 187         flowBuilder.setPriority(1024);
 188         flowBuilder.setFlowName(flowId);
 189         flowBuilder.setHardTimeout(0);
 190         flowBuilder.setIdleTimeout(0);
 191
 192         if (action.equals(Action.ADD)) {
 193             writeFlow(flowBuilder, nodeBuilder);
 194         } else {
 195             removeFlow(flowBuilder, nodeBuilder);
 196         }
 197
 198         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 199         return new Status(StatusCode.SUCCESS);
 200     }
 201 }