openstack/net-virt-providers/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/providers/openflow13/services/L3ForwardingService.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.L3ForwardingProvider;
  19 import org.opendaylight.ovsdb.openstack.netvirt.api.Status;
  20 import org.opendaylight.ovsdb.openstack.netvirt.api.StatusCode;
  21 import org.opendaylight.ovsdb.openstack.netvirt.providers.ConfigInterface;
  22 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.AbstractServiceInstance;
  23 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.OF13Provider;
  24 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.Service;
  25 import org.opendaylight.ovsdb.utils.mdsal.openflow.InstructionUtils;
  26 import org.opendaylight.ovsdb.utils.mdsal.openflow.MatchUtils;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 import com.google.common.collect.Lists;
  41 import org.osgi.framework.BundleContext;
  42 import org.osgi.framework.ServiceReference;
  43
  44 public class L3ForwardingService extends AbstractServiceInstance implements L3ForwardingProvider, ConfigInterface {
  45     private static final Logger LOG = LoggerFactory.getLogger(L3ForwardingService.class);
  46
  47     public L3ForwardingService() {
  48         super(Service.L3_FORWARDING);
  49     }
  50
  51     public L3ForwardingService(Service service) {
  52         super(service);
  53     }
  54
  55     @Override
  56     public Status programForwardingTableEntry(Long dpid, String segmentationId, InetAddress ipAddress,
  57                                               String macAddress, Action action) {
  58         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
  59
  60         MatchBuilder matchBuilder = new MatchBuilder();
  61         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
  62
  63         // Instructions List Stores Individual Instructions
  64         InstructionsBuilder isb = new InstructionsBuilder();
  65         List<Instruction> instructions = Lists.newArrayList();
  66         InstructionBuilder ib = new InstructionBuilder();
  67
  68         if (ipAddress instanceof Inet6Address) {
  69             // WORKAROUND: For now ipv6 is not supported
  70             // TODO: implement ipv6 case
  71             LOG.debug("ipv6 address is not implemented yet. dpid {} segmentationId {} ipAddress {} macAddress {} Action {}",
  72                       dpid, segmentationId, ipAddress, macAddress, action);
  73             return new Status(StatusCode.NOTIMPLEMENTED);
  74         }
  75
  76         MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
  77         MatchUtils.createDstL3IPv4Match(matchBuilder, MatchUtils.iPv4PrefixFromIPv4Address(ipAddress.getHostAddress()));
  78
  79         // Set Dest Mac address
  80         InstructionUtils.createDlDstInstructions(ib, new MacAddress(macAddress));
  81         ib.setOrder(0);
  82         ib.setKey(new InstructionKey(0));
  83         instructions.add(ib.build());
  84
  85         // Goto Next Table
  86         ib = getMutablePipelineInstructionBuilder();
  87         ib.setOrder(1);
  88         ib.setKey(new InstructionKey(1));
  89         instructions.add(ib.build());
  90
  91         FlowBuilder flowBuilder = new FlowBuilder();
  92         flowBuilder.setMatch(matchBuilder.build());
  93         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
  94
  95         String flowId = "L3Forwarding_" + segmentationId + "_" + ipAddress.getHostAddress();
  96         flowBuilder.setId(new FlowId(flowId));
  97         FlowKey key = new FlowKey(new FlowId(flowId));
  98         flowBuilder.setBarrier(true);
  99         flowBuilder.setTableId(this.getTable());
 100         flowBuilder.setKey(key);
 101         flowBuilder.setPriority(1024);
 102         flowBuilder.setFlowName(flowId);
 103         flowBuilder.setHardTimeout(0);
 104         flowBuilder.setIdleTimeout(0);
 105
 106         if (action.equals(Action.ADD)) {
 107             writeFlow(flowBuilder, nodeBuilder);
 108         } else {
 109             removeFlow(flowBuilder, nodeBuilder);
 110         }
 111
 112         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 113         return new Status(StatusCode.SUCCESS);
 114     }
 115
 116     @Override
 117     public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {
 118         super.setDependencies(bundleContext.getServiceReference(L3ForwardingProvider.class.getName()), this);
 119     }
 120
 121     @Override
 122     public void setDependencies(Object impl) {
 123
 124     }
 125 }