Java tutorial
/* * Copyright (c) 2014, 2015 Red Hat, Inc. 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.nx.codec.action; import io.netty.buffer.ByteBuf; import org.opendaylight.openflowjava.nx.api.NiciraActionDeserializerKey; import org.opendaylight.openflowjava.nx.api.NiciraActionSerializerKey; import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionResubmit; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionResubmitBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.resubmit.grouping.NxActionResubmitBuilder; /** * Codec for the NX_RESUBMIT and NX_RESUBMIT_TABLE */ public class ResubmitCodec extends AbstractActionCodec { public static final int LENGTH = 16; public static final byte NXAST_RESUBMIT_SUBTYPE = 1; public static final byte NXAST_RESUBMIT_TABLE_SUBTYPE = 14; public static final NiciraActionSerializerKey SERIALIZER_KEY = new NiciraActionSerializerKey( EncodeConstants.OF13_VERSION_ID, ActionResubmit.class); public static final NiciraActionDeserializerKey DESERIALIZER_KEY = new NiciraActionDeserializerKey( EncodeConstants.OF13_VERSION_ID, NXAST_RESUBMIT_SUBTYPE); public static final NiciraActionDeserializerKey TABLE_DESERIALIZER_KEY = new NiciraActionDeserializerKey( EncodeConstants.OF13_VERSION_ID, NXAST_RESUBMIT_TABLE_SUBTYPE); private static final byte OFP_TABLE_ALL = (byte) 255; private static final short OFP_IN_PORT = (short) 0xfff8; private static final int padding = 3; // nx_action_resubmit : uint8_t pad[3]; public byte getSubType(final ActionResubmit action) { if ((action.getNxActionResubmit().getTable() == null) || (action.getNxActionResubmit().getTable().byteValue() == OFP_TABLE_ALL)) { return NXAST_RESUBMIT_SUBTYPE; } return NXAST_RESUBMIT_TABLE_SUBTYPE; } @Override public void serialize(final Action input, final ByteBuf outBuffer) { byte table = OFP_TABLE_ALL; short inPort = OFP_IN_PORT; ActionResubmit action = ((ActionResubmit) input.getActionChoice()); serializeHeader(LENGTH, getSubType(action), outBuffer); if (action.getNxActionResubmit().getInPort() != null) { inPort = action.getNxActionResubmit().getInPort().shortValue(); } if (action.getNxActionResubmit().getTable() != null) { table = action.getNxActionResubmit().getTable().byteValue(); } outBuffer.writeShort(inPort); outBuffer.writeByte(table); outBuffer.writeZero(padding); } @Override public Action deserialize(final ByteBuf message) { ActionBuilder actionBuilder = deserializeHeader(message); ActionResubmitBuilder builder = new ActionResubmitBuilder(); NxActionResubmitBuilder nxActionResubmitBuilder = new NxActionResubmitBuilder(); nxActionResubmitBuilder.setInPort(message.readUnsignedShort()); nxActionResubmitBuilder.setTable(message.readUnsignedByte()); builder.setNxActionResubmit(nxActionResubmitBuilder.build()); message.skipBytes(padding); actionBuilder.setActionChoice(builder.build()); return actionBuilder.build(); } }