openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/FlowModInputMessageFactoryTest.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. 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.openflowjava.protocol.impl.serialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import io.netty.buffer.UnpooledByteBufAllocator;
  13
  14 import java.math.BigInteger;
  15 import java.util.ArrayList;
  16 import java.util.List;
  17
  18 import org.junit.Assert;
  19 import org.junit.Before;
  20 import org.junit.Test;
  21 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageTypeKey;
  22 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  23 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  24 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializerRegistryImpl;
  25 import org.opendaylight.openflowjava.protocol.impl.util.BufferHelper;
  26 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionsInstruction;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionsInstructionBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EcnMatchEntry;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EcnMatchEntryBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthAction;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthActionBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataInstruction;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataInstructionBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortAction;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortActionBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortNumberMatchEntry;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortNumberMatchEntryBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TableIdInstruction;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TableIdInstructionBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.Output;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.Action;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.ActionBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.ApplyActions;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.GotoTable;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.WriteMetadata;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.InstructionBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowModCommand;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowModFlags;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableId;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.InPhyPort;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.IpEcn;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OpenflowBasicClass;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OxmMatchType;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.MatchBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInput;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInputBuilder;
  62
  63 /**
  64  * @author timotej.kubas
  65  * @author michal.polkorab
  66  */
  67 public class FlowModInputMessageFactoryTest {
  68     private static final byte PADDING_IN_FLOW_MOD_MESSAGE = 2;
  69     private SerializerRegistry registry;
  70     private OFSerializer<FlowModInput> flowModFactory;
  71
  72     /**
  73      * Initializes serializer registry and stores correct factory in field
  74      */
  75     @Before
  76     public void startUp() {
  77         registry = new SerializerRegistryImpl();
  78         registry.init();
  79         flowModFactory = registry.getSerializer(new MessageTypeKey<>(
  80                 EncodeConstants.OF13_VERSION_ID, FlowModInput.class));
  81     }
  82
  83     /**
  84      * @throws Exception
  85      * Testing of {@link FlowModInputMessageFactory} for correct translation from POJO
  86      */
  87     @Test
  88     public void testFlowModInputMessageFactory() throws Exception {
  89         FlowModInputBuilder builder = new FlowModInputBuilder();
  90         BufferHelper.setupHeader(builder, EncodeConstants.OF13_VERSION_ID);
  91         byte[] cookie = new byte[]{(byte) 0xFF, 0x01, 0x04, 0x01, 0x06, 0x00, 0x07, 0x01};
  92         builder.setCookie(new BigInteger(1, cookie));
  93         byte[] cookieMask = new byte[]{(byte) 0xFF, 0x05, 0x00, 0x00, 0x09, 0x30, 0x00, 0x30};
  94         builder.setCookieMask(new BigInteger(1, cookieMask));
  95         builder.setTableId(new TableId(65L));
  96         builder.setCommand(FlowModCommand.forValue(2));
  97         builder.setIdleTimeout(12);
  98         builder.setHardTimeout(0);
  99         builder.setPriority(126);
 100         builder.setBufferId(2L);
 101         builder.setOutPort(new PortNumber(4422L));
 102         builder.setOutGroup(98L);
 103         builder.setFlags(new FlowModFlags(true, false, true, false, true));
 104         MatchBuilder matchBuilder = new MatchBuilder();
 105         matchBuilder.setType(OxmMatchType.class);
 106         List<MatchEntries> entries = new ArrayList<>();
 107         MatchEntriesBuilder entriesBuilder = new MatchEntriesBuilder();
 108         entriesBuilder.setOxmClass(OpenflowBasicClass.class);
 109         entriesBuilder.setOxmMatchField(InPhyPort.class);
 110         entriesBuilder.setHasMask(false);
 111         PortNumberMatchEntryBuilder portNumberBuilder = new PortNumberMatchEntryBuilder();
 112         portNumberBuilder.setPortNumber(new PortNumber(42L));
 113         entriesBuilder.addAugmentation(PortNumberMatchEntry.class, portNumberBuilder.build());
 114         entries.add(entriesBuilder.build());
 115         entriesBuilder.setOxmClass(OpenflowBasicClass.class);
 116         entriesBuilder.setOxmMatchField(IpEcn.class);
 117         entriesBuilder.setHasMask(false);
 118         EcnMatchEntryBuilder ecnBuilder = new EcnMatchEntryBuilder();
 119         ecnBuilder.setEcn((short) 4);
 120         entriesBuilder.addAugmentation(EcnMatchEntry.class, ecnBuilder.build());
 121         entries.add(entriesBuilder.build());
 122         matchBuilder.setMatchEntries(entries);
 123         builder.setMatch(matchBuilder.build());
 124         List<Instruction> instructions = new ArrayList<>();
 125         InstructionBuilder insBuilder = new InstructionBuilder();
 126         insBuilder.setType(GotoTable.class);
 127         TableIdInstructionBuilder idBuilder = new TableIdInstructionBuilder();
 128         idBuilder.setTableId((short) 43);
 129         insBuilder.addAugmentation(TableIdInstruction.class, idBuilder.build());
 130         instructions.add(insBuilder.build());
 131         insBuilder.setType(WriteMetadata.class);
 132         MetadataInstructionBuilder metaBuilder = new MetadataInstructionBuilder();
 133         metaBuilder.setMetadata(cookie);
 134         metaBuilder.setMetadataMask(cookieMask);
 135         insBuilder.addAugmentation(MetadataInstruction.class, metaBuilder.build());
 136         instructions.add(insBuilder.build());
 137         insBuilder = new InstructionBuilder();
 138         insBuilder.setType(ApplyActions.class);
 139         List<Action> actions = new ArrayList<>();
 140         ActionBuilder actionBuilder = new ActionBuilder();
 141         actionBuilder.setType(Output.class);
 142         PortActionBuilder port = new PortActionBuilder();
 143         port.setPort(new PortNumber(42L));
 144         actionBuilder.addAugmentation(PortAction.class, port.build());
 145         MaxLengthActionBuilder maxLen = new MaxLengthActionBuilder();
 146         maxLen.setMaxLength(52);
 147         actionBuilder.addAugmentation(MaxLengthAction.class, maxLen.build());
 148         actions.add(actionBuilder.build());
 149         ActionsInstructionBuilder actionInstructionBuilder = new ActionsInstructionBuilder();
 150         actionInstructionBuilder.setAction(actions);
 151         insBuilder.addAugmentation(ActionsInstruction.class, actionInstructionBuilder.build());
 152         instructions.add(insBuilder.build());
 153         builder.setInstruction(instructions);
 154         FlowModInput message = builder.build();
 155
 156         ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer();
 157         flowModFactory.serialize(message, out);
 158
 159         BufferHelper.checkHeaderV13(out,(byte) 14, 128);
 160         cookie = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 161         out.readBytes(cookie);
 162         Assert.assertEquals("Wrong cookie", message.getCookie(), new BigInteger(1, cookie));
 163         cookieMask = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 164         out.readBytes(cookieMask);
 165         Assert.assertEquals("Wrong cookieMask", message.getCookieMask(), new BigInteger(1,  cookieMask));
 166         Assert.assertEquals("Wrong tableId", message.getTableId().getValue().intValue(), out.readUnsignedByte());
 167         Assert.assertEquals("Wrong command", message.getCommand().getIntValue(), out.readUnsignedByte());
 168         Assert.assertEquals("Wrong idleTimeOut", message.getIdleTimeout().intValue(), out.readShort());
 169         Assert.assertEquals("Wrong hardTimeOut", message.getHardTimeout().intValue(), out.readShort());
 170         Assert.assertEquals("Wrong priority", message.getPriority().intValue(), out.readUnsignedShort());
 171         Assert.assertEquals("Wrong bufferId", message.getBufferId().intValue(), out.readUnsignedInt());
 172         Assert.assertEquals("Wrong outPort", message.getOutPort().getValue().intValue(), out.readUnsignedInt());
 173         Assert.assertEquals("Wrong outGroup", message.getOutGroup().intValue(), out.readUnsignedInt());
 174         Assert.assertEquals("Wrong flags", message.getFlags(), createFlowModFlagsFromBitmap(out.readUnsignedShort()));
 175         out.skipBytes(PADDING_IN_FLOW_MOD_MESSAGE);
 176         Assert.assertEquals("Wrong match type", 1, out.readUnsignedShort());
 177         out.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
 178         Assert.assertEquals("Wrong oxm class", 0x8000, out.readUnsignedShort());
 179         short fieldAndMask = out.readUnsignedByte();
 180         Assert.assertEquals("Wrong oxm hasMask", 0, fieldAndMask & 1);
 181         Assert.assertEquals("Wrong oxm field", 1, fieldAndMask >> 1);
 182         out.skipBytes(EncodeConstants.SIZE_OF_BYTE_IN_BYTES);
 183         Assert.assertEquals("Wrong oxm value", 42, out.readUnsignedInt());
 184         Assert.assertEquals("Wrong oxm class", 0x8000, out.readUnsignedShort());
 185         fieldAndMask = out.readUnsignedByte();
 186         Assert.assertEquals("Wrong oxm hasMask", 0, fieldAndMask & 1);
 187         Assert.assertEquals("Wrong oxm field", 9, fieldAndMask >> 1);
 188         out.skipBytes(EncodeConstants.SIZE_OF_BYTE_IN_BYTES);
 189         Assert.assertEquals("Wrong oxm value", 4, out.readUnsignedByte());
 190         out.skipBytes(7);
 191         Assert.assertEquals("Wrong instruction type", 1, out.readUnsignedShort());
 192         out.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
 193         Assert.assertEquals("Wrong instruction value", 43, out.readUnsignedByte());
 194         out.skipBytes(3);
 195         Assert.assertEquals("Wrong instruction type", 2, out.readUnsignedShort());
 196         out.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
 197         out.skipBytes(EncodeConstants.SIZE_OF_INT_IN_BYTES);
 198         byte[] cookieRead = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 199         out.readBytes(cookieRead);
 200         byte[] cookieMaskRead = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 201         out.readBytes(cookieMaskRead);
 202         Assert.assertArrayEquals("Wrong metadata", cookie, cookieRead);
 203         Assert.assertArrayEquals("Wrong metadata mask", cookieMask, cookieMaskRead);
 204         Assert.assertEquals("Wrong instruction type", 4, out.readUnsignedShort());
 205         Assert.assertEquals("Wrong instruction length", 24, out.readUnsignedShort());
 206         out.skipBytes(4);
 207         Assert.assertEquals("Wrong action type", 0, out.readUnsignedShort());
 208         Assert.assertEquals("Wrong action length", 16, out.readUnsignedShort());
 209         Assert.assertEquals("Wrong port", 42, out.readUnsignedInt());
 210         Assert.assertEquals("Wrong max-length", 52, out.readUnsignedShort());
 211         out.skipBytes(6);
 212         Assert.assertTrue("Unread data", out.readableBytes() == 0);
 213     }
 214
 215     private static FlowModFlags createFlowModFlagsFromBitmap(int input){
 216         final Boolean _oFPFFSENDFLOWREM = (input & (1 << 0)) > 0;
 217         final Boolean _oFPFFCHECKOVERLAP = (input & (1 << 1)) > 0;
 218         final Boolean _oFPFFRESETCOUNTS = (input & (1 << 2)) > 0;
 219         final Boolean _oFPFFNOPKTCOUNTS = (input & (1 << 3)) > 0;
 220         final Boolean _oFPFFNOBYTCOUNTS = (input & (1 << 4)) > 0;
 221         return new FlowModFlags(_oFPFFCHECKOVERLAP, _oFPFFNOBYTCOUNTS, _oFPFFNOPKTCOUNTS, _oFPFFRESETCOUNTS, _oFPFFSENDFLOWREM);
 222     }
 223
 224 }