Java tutorial
/* * Copyright (c) 2015 NetIDE Consortium 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.serialization.factories; import io.netty.buffer.ByteBuf; import java.util.HashMap; import java.util.Map; import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer; import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants; import org.opendaylight.openflowjava.util.ByteBufUtils; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ActionTypeV10; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.CapabilitiesV10; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfigV10; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeaturesV10; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortStateV10; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.features.reply.PhyPort; /** * @author giuseppex.petralia@intel.com * */ public class OF10FeaturesReplyMessageFactory implements OFSerializer<GetFeaturesOutput> { private static final byte PADDING = 3; private static final byte MESSAGE_TYPE = 6; @Override public void serialize(final GetFeaturesOutput message, final ByteBuf outBuffer) { ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH); outBuffer.writeLong(message.getDatapathId().longValue()); outBuffer.writeInt(message.getBuffers().intValue()); outBuffer.writeByte(message.getTables().intValue()); outBuffer.writeZero(PADDING); outBuffer.writeInt(createCapabilities(message.getCapabilitiesV10())); outBuffer.writeInt(createActionsV10(message.getActionsV10())); for (PhyPort port : message.getPhyPort()) { outBuffer.writeShort(port.getPortNo().intValue()); outBuffer.writeBytes(IetfYangUtil.INSTANCE.bytesFor(port.getHwAddr())); writeName(port.getName(), outBuffer); writePortConfig(port.getConfigV10(), outBuffer); writePortState(port.getStateV10(), outBuffer); writePortFeature(port.getCurrentFeaturesV10(), outBuffer); writePortFeature(port.getAdvertisedFeaturesV10(), outBuffer); writePortFeature(port.getSupportedFeaturesV10(), outBuffer); writePortFeature(port.getPeerFeaturesV10(), outBuffer); } ByteBufUtils.updateOFHeaderLength(outBuffer); } private void writePortFeature(final PortFeaturesV10 feature, final ByteBuf outBuffer) { Map<Integer, Boolean> map = new HashMap<>(); map.put(0, feature.is_10mbHd()); map.put(1, feature.is_10mbFd()); map.put(2, feature.is_100mbHd()); map.put(3, feature.is_100mbFd()); map.put(4, feature.is_1gbHd()); map.put(5, feature.is_1gbFd()); map.put(6, feature.is_10gbFd()); map.put(7, feature.isCopper()); map.put(8, feature.isFiber()); map.put(9, feature.isAutoneg()); map.put(10, feature.isPause()); map.put(11, feature.isPauseAsym()); int bitmap = ByteBufUtils.fillBitMaskFromMap(map); outBuffer.writeInt(bitmap); } private void writePortState(final PortStateV10 state, final ByteBuf outBuffer) { Map<Integer, Boolean> map = new HashMap<>(); map.put(0, state.isLinkDown()); map.put(1, state.isBlocked()); map.put(2, state.isLive()); map.put(3, state.isStpListen()); map.put(4, state.isStpLearn()); map.put(5, state.isStpForward()); map.put(6, state.isStpBlock()); map.put(7, state.isStpMask()); int bitmap = ByteBufUtils.fillBitMaskFromMap(map); outBuffer.writeInt(bitmap); } private void writePortConfig(final PortConfigV10 config, final ByteBuf outBuffer) { Map<Integer, Boolean> map = new HashMap<>(); map.put(0, config.isPortDown()); map.put(1, config.isNoStp()); map.put(2, config.isNoRecv()); map.put(3, config.isNoRecvStp()); map.put(4, config.isNoFlood()); map.put(5, config.isNoFwd()); map.put(6, config.isNoPacketIn()); int bitmap = ByteBufUtils.fillBitMaskFromMap(map); outBuffer.writeInt(bitmap); } private static int createCapabilities(final CapabilitiesV10 capabilities) { Map<Integer, Boolean> map = new HashMap<>(); map.put(0, capabilities.isOFPCFLOWSTATS()); map.put(1, capabilities.isOFPCTABLESTATS()); map.put(2, capabilities.isOFPCPORTSTATS()); map.put(3, capabilities.isOFPCSTP()); map.put(4, capabilities.isOFPCRESERVED()); map.put(5, capabilities.isOFPCIPREASM()); map.put(6, capabilities.isOFPCQUEUESTATS()); map.put(7, capabilities.isOFPCARPMATCHIP()); int bitmap = ByteBufUtils.fillBitMaskFromMap(map); return bitmap; } private static int createActionsV10(final ActionTypeV10 action) { return ByteBufUtils.fillBitMask(0, action.isOFPATOUTPUT(), action.isOFPATSETVLANVID(), action.isOFPATSETVLANPCP(), action.isOFPATSTRIPVLAN(), action.isOFPATSETDLSRC(), action.isOFPATSETDLDST(), action.isOFPATSETNWSRC(), action.isOFPATSETNWDST(), action.isOFPATSETNWTOS(), action.isOFPATSETTPSRC(), action.isOFPATSETTPDST(), action.isOFPATENQUEUE(), action.isOFPATVENDOR()); } private void writeName(final String name, final ByteBuf outBuffer) { byte[] nameBytes = name.getBytes(); if (nameBytes.length < 16) { byte[] nameBytesPadding = new byte[16]; int i = 0; for (byte b : nameBytes) { nameBytesPadding[i] = b; i++; } for (; i < 16; i++) { nameBytesPadding[i] = 0x0; } outBuffer.writeBytes(nameBytesPadding); } else { outBuffer.writeBytes(nameBytes); } } }