openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/lldp/LLDPPAcketPuntEnforcer.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, 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.openflowplugin.openflow.md.lldp;
  10
  11 import java.math.BigInteger;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.Set;
  15 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  17 import org.opendaylight.openflowplugin.openflow.md.OFConstants;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.OutputActionCaseBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.output.action._case.OutputActionBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInputBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowModFlags;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.OutputPortValues;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCaseBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.apply.actions._case.ApplyActionsBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  41 import org.opendaylight.yangtools.yang.binding.DataObject;
  42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  43
  44 /**
  45  * Created by Martin Bobak mbobak@cisco.com on 8/27/14.
  46  */
  47 public class LLDPPAcketPuntEnforcer implements DataChangeListener {
  48
  49     private static final short TABLE_ID = (short) 0;
  50     private static final String LLDP_PUNT_WHOLE_PACKET_FLOW = "LLDP_PUNT_WHOLE_PACKET_FLOW";
  51     private static final String DEFAULT_FLOW_ID = "42";
  52     private final SalFlowService flowService;
  53
  54     public LLDPPAcketPuntEnforcer(SalFlowService flowService) {
  55         this.flowService = flowService;
  56     }
  57
  58     @Override
  59     public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  60         final Set<InstanceIdentifier<?>> changedDataKeys = change.getCreatedData().keySet();
  61
  62         for (InstanceIdentifier<?> key : changedDataKeys) {
  63             AddFlowInputBuilder addFlowInput = new AddFlowInputBuilder(createFlow());
  64             addFlowInput.setNode(new NodeRef(key));
  65             this.flowService.addFlow(addFlowInput.build());
  66         }
  67     }
  68
  69
  70     protected Flow createFlow() {
  71         FlowBuilder flowBuilder = new FlowBuilder();
  72         flowBuilder.setMatch(new MatchBuilder().build());
  73         flowBuilder.setInstructions(createSendToControllerInstructions().build());
  74         flowBuilder.setPriority(0);
  75
  76         FlowKey key = new FlowKey(new FlowId(DEFAULT_FLOW_ID));
  77         flowBuilder.setBarrier(Boolean.FALSE);
  78         // flow.setBufferId(new Long(12));
  79         BigInteger value = new BigInteger("10", 10);
  80         // BigInteger outputPort = new BigInteger("65535", 10);
  81         flowBuilder.setCookie(new FlowCookie(value));
  82         flowBuilder.setCookieMask(new FlowCookie(value));
  83         flowBuilder.setHardTimeout(0);
  84         flowBuilder.setIdleTimeout(0);
  85         flowBuilder.setInstallHw(false);
  86         flowBuilder.setStrict(false);
  87         flowBuilder.setContainerName(null);
  88         flowBuilder.setFlags(new FlowModFlags(false, false, false, false, true));
  89         flowBuilder.setId(new FlowId("12"));
  90         flowBuilder.setTableId(TABLE_ID);
  91         flowBuilder.setKey(key);
  92         flowBuilder.setFlowName(LLDP_PUNT_WHOLE_PACKET_FLOW);
  93
  94         return flowBuilder.build();
  95     }
  96
  97     private static InstructionsBuilder createSendToControllerInstructions() {
  98         List<Action> actionList = new ArrayList<Action>();
  99         ActionBuilder ab = new ActionBuilder();
 100
 101         OutputActionBuilder output = new OutputActionBuilder();
 102         output.setMaxLength(OFConstants.OFPCML_NO_BUFFER);
 103         Uri value = new Uri(OutputPortValues.CONTROLLER.toString());
 104         output.setOutputNodeConnector(value);
 105         ab.setAction(new OutputActionCaseBuilder().setOutputAction(output.build()).build());
 106         ab.setOrder(0);
 107         ab.setKey(new ActionKey(0));
 108         actionList.add(ab.build());
 109         // Create an Apply Action
 110         ApplyActionsBuilder aab = new ApplyActionsBuilder();
 111         aab.setAction(actionList);
 112
 113         // Wrap our Apply Action in an Instruction
 114         InstructionBuilder ib = new InstructionBuilder();
 115         ib.setInstruction(new ApplyActionsCaseBuilder().setApplyActions(aab.build()).build());
 116         ib.setOrder(0);
 117         ib.setKey(new InstructionKey(0));
 118
 119         // Put our Instruction in a list of Instructions
 120         InstructionsBuilder isb = new InstructionsBuilder();
 121         List<Instruction> instructions = new ArrayList<Instruction>();
 122         instructions.add(ib.build());
 123         isb.setInstruction(instructions);
 124         return isb;
 125     }
 126
 127 }