Java tutorial
/* * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.openflowjava.protocol.impl.util; import io.netty.buffer.ByteBuf; import io.netty.buffer.UnpooledByteBufAllocator; import java.util.ArrayList; import java.util.List; import org.junit.Assert; import org.junit.Test; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionsInstruction; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionsInstructionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthertypeAction; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.EthertypeActionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthAction; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MaxLengthActionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataInstruction; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MetadataInstructionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MeterIdInstruction; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.MeterIdInstructionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NwTtlAction; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NwTtlActionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortAction; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.PortActionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TableIdInstruction; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TableIdInstructionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.Output; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PopPbb; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.PushVlan; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.SetNwTtl; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.Action; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.ActionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.ApplyActions; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.ClearActions; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.GotoTable; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.Meter; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.WriteActions; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.WriteMetadata; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.InstructionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.EtherType; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber; /** * @author michal.polkorab * */ public class InstructionsSerializerTest { /** * Testing instructions translation */ @Test public void test() { List<Instruction> instructions = new ArrayList<>(); // Goto_table instruction InstructionBuilder builder = new InstructionBuilder(); builder.setType(GotoTable.class); TableIdInstructionBuilder tableIdBuilder = new TableIdInstructionBuilder(); tableIdBuilder.setTableId((short) 5); builder.addAugmentation(TableIdInstruction.class, tableIdBuilder.build()); instructions.add(builder.build()); builder = new InstructionBuilder(); // Write_metadata instruction builder.setType(WriteMetadata.class); MetadataInstructionBuilder metaBuilder = new MetadataInstructionBuilder(); metaBuilder.setMetadata(ByteBufUtils.hexStringToBytes("00 01 02 03 04 05 06 07")); metaBuilder.setMetadataMask(ByteBufUtils.hexStringToBytes("07 06 05 04 03 02 01 00")); builder.addAugmentation(MetadataInstruction.class, metaBuilder.build()); instructions.add(builder.build()); // Clear_actions instruction builder = new InstructionBuilder(); builder.setType(ClearActions.class); instructions.add(builder.build()); // Meter instruction builder = new InstructionBuilder(); builder.setType(Meter.class); MeterIdInstructionBuilder meterBuilder = new MeterIdInstructionBuilder(); meterBuilder.setMeterId(42L); builder.addAugmentation(MeterIdInstruction.class, meterBuilder.build()); instructions.add(builder.build()); // Write_actions instruction builder = new InstructionBuilder(); builder.setType(WriteActions.class); ActionsInstructionBuilder actionsBuilder = new ActionsInstructionBuilder(); List<Action> actions = new ArrayList<>(); ActionBuilder actionBuilder = new ActionBuilder(); actionBuilder.setType(Output.class); PortActionBuilder portBuilder = new PortActionBuilder(); portBuilder.setPort(new PortNumber(45L)); actionBuilder.addAugmentation(PortAction.class, portBuilder.build()); MaxLengthActionBuilder maxBuilder = new MaxLengthActionBuilder(); maxBuilder.setMaxLength(55); actionBuilder.addAugmentation(MaxLengthAction.class, maxBuilder.build()); actions.add(actionBuilder.build()); actionBuilder = new ActionBuilder(); actionBuilder.setType(SetNwTtl.class); NwTtlActionBuilder nwTtl = new NwTtlActionBuilder(); nwTtl.setNwTtl((short) 64); actionBuilder.addAugmentation(NwTtlAction.class, nwTtl.build()); actions.add(actionBuilder.build()); actionsBuilder.setAction(actions); builder.addAugmentation(ActionsInstruction.class, actionsBuilder.build()); instructions.add(builder.build()); // Apply_actions instruction builder = new InstructionBuilder(); builder.setType(ApplyActions.class); actionsBuilder = new ActionsInstructionBuilder(); actions = new ArrayList<>(); actionBuilder = new ActionBuilder(); actionBuilder.setType(PushVlan.class); EthertypeActionBuilder ethertypeBuilder = new EthertypeActionBuilder(); ethertypeBuilder.setEthertype(new EtherType(14)); actionBuilder.addAugmentation(EthertypeAction.class, ethertypeBuilder.build()); actions.add(actionBuilder.build()); actionBuilder = new ActionBuilder(); actionBuilder.setType(PopPbb.class); actions.add(actionBuilder.build()); actionsBuilder.setAction(actions); builder.addAugmentation(ActionsInstruction.class, actionsBuilder.build()); instructions.add(builder.build()); ByteBuf out = UnpooledByteBufAllocator.DEFAULT.buffer(); InstructionsSerializer.encodeInstructions(instructions, out); Assert.assertEquals("Wrong instruction type", 1, out.readUnsignedShort()); Assert.assertEquals("Wrong instruction length", 8, out.readUnsignedShort()); Assert.assertEquals("Wrong instruction table-id", 5, out.readUnsignedByte()); out.skipBytes(3); Assert.assertEquals("Wrong instruction type", 2, out.readUnsignedShort()); Assert.assertEquals("Wrong instruction length", 24, out.readUnsignedShort()); out.skipBytes(4); byte[] actual = new byte[8]; out.readBytes(actual); Assert.assertEquals("Wrong instruction metadata", "00 01 02 03 04 05 06 07", ByteBufUtils.bytesToHexString(actual)); actual = new byte[8]; out.readBytes(actual); Assert.assertEquals("Wrong instruction metadata-mask", "07 06 05 04 03 02 01 00", ByteBufUtils.bytesToHexString(actual)); Assert.assertEquals("Wrong instruction type", 5, out.readUnsignedShort()); Assert.assertEquals("Wrong instruction length", 8, out.readUnsignedShort()); out.skipBytes(4); Assert.assertEquals("Wrong instruction type", 6, out.readUnsignedShort()); Assert.assertEquals("Wrong instruction length", 8, out.readUnsignedShort()); Assert.assertEquals("Wrong instruction meter-id", 42, out.readUnsignedInt()); Assert.assertEquals("Wrong instruction type", 3, out.readUnsignedShort()); Assert.assertEquals("Wrong instruction length", 32, out.readUnsignedShort()); out.skipBytes(4); Assert.assertEquals("Wrong action type", 0, out.readUnsignedShort()); Assert.assertEquals("Wrong action length", 16, out.readUnsignedShort()); Assert.assertEquals("Wrong action type", 45, out.readUnsignedInt()); Assert.assertEquals("Wrong action type", 55, out.readUnsignedShort()); out.skipBytes(6); Assert.assertEquals("Wrong action type", 23, out.readUnsignedShort()); Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort()); Assert.assertEquals("Wrong action type", 64, out.readUnsignedByte()); out.skipBytes(3); Assert.assertEquals("Wrong instruction type", 4, out.readUnsignedShort()); Assert.assertEquals("Wrong instruction length", 24, out.readUnsignedShort()); out.skipBytes(4); Assert.assertEquals("Wrong action type", 17, out.readUnsignedShort()); Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort()); Assert.assertEquals("Wrong action ethertype", 14, out.readUnsignedShort()); out.skipBytes(2); Assert.assertEquals("Wrong action type", 27, out.readUnsignedShort()); Assert.assertEquals("Wrong action length", 8, out.readUnsignedShort()); out.skipBytes(4); Assert.assertTrue("Not all data were read", out.readableBytes() == 0); } }