openflowjava/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/OF10FeaturesReplyMessageFactory.java

   1 /*
   2  * Copyright (c) 2015 NetIDE Consortium 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 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import java.nio.charset.StandardCharsets;
  12 import java.util.HashMap;
  13 import java.util.Map;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  15 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  16 import org.opendaylight.openflowjava.util.ByteBufUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ActionTypeV10;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.CapabilitiesV10;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfigV10;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeaturesV10;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortStateV10;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.features.reply.PhyPort;
  25
  26 /**
  27  * Translates FeaturesReply messages.
  28  *
  29  * @author giuseppex.petralia@intel.com
  30  */
  31 public class OF10FeaturesReplyMessageFactory implements OFSerializer<GetFeaturesOutput> {
  32
  33     private static final byte PADDING = 3;
  34     private static final byte MESSAGE_TYPE = 6;
  35
  36     @Override
  37     public void serialize(final GetFeaturesOutput message, final ByteBuf outBuffer) {
  38         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
  39         outBuffer.writeLong(message.getDatapathId().longValue());
  40         outBuffer.writeInt(message.getBuffers().intValue());
  41         outBuffer.writeByte(message.getTables().intValue());
  42         outBuffer.writeZero(PADDING);
  43         outBuffer.writeInt(createCapabilities(message.getCapabilitiesV10()));
  44         outBuffer.writeInt(createActionsV10(message.getActionsV10()));
  45         for (PhyPort port : message.getPhyPort()) {
  46             outBuffer.writeShort(port.getPortNo().intValue());
  47             outBuffer.writeBytes(IetfYangUtil.macAddressBytes(port.getHwAddr()));
  48             writeName(port.getName(), outBuffer);
  49             writePortConfig(port.getConfigV10(), outBuffer);
  50             writePortState(port.getStateV10(), outBuffer);
  51             writePortFeature(port.getCurrentFeaturesV10(), outBuffer);
  52             writePortFeature(port.getAdvertisedFeaturesV10(), outBuffer);
  53             writePortFeature(port.getSupportedFeaturesV10(), outBuffer);
  54             writePortFeature(port.getPeerFeaturesV10(), outBuffer);
  55         }
  56         ByteBufUtils.updateOFHeaderLength(outBuffer);
  57     }
  58
  59     private static void writePortFeature(final PortFeaturesV10 feature, final ByteBuf outBuffer) {
  60         Map<Integer, Boolean> map = new HashMap<>();
  61         map.put(0, feature.get_10mbHd());
  62         map.put(1, feature.get_10mbFd());
  63         map.put(2, feature.get_100mbHd());
  64         map.put(3, feature.get_100mbFd());
  65         map.put(4, feature.get_1gbHd());
  66         map.put(5, feature.get_1gbFd());
  67         map.put(6, feature.get_10gbFd());
  68         map.put(7, feature.getCopper());
  69         map.put(8, feature.getFiber());
  70         map.put(9, feature.getAutoneg());
  71         map.put(10, feature.getPause());
  72         map.put(11, feature.getPauseAsym());
  73         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
  74         outBuffer.writeInt(bitmap);
  75     }
  76
  77     private static void writePortState(final PortStateV10 state, final ByteBuf outBuffer) {
  78         Map<Integer, Boolean> map = new HashMap<>();
  79         map.put(0, state.getLinkDown());
  80         map.put(1, state.getBlocked());
  81         map.put(2, state.getLive());
  82         map.put(3, state.getStpListen());
  83         map.put(4, state.getStpLearn());
  84         map.put(5, state.getStpForward());
  85         map.put(6, state.getStpBlock());
  86         map.put(7, state.getStpMask());
  87         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
  88         outBuffer.writeInt(bitmap);
  89     }
  90
  91     private static void writePortConfig(final PortConfigV10 config, final ByteBuf outBuffer) {
  92         Map<Integer, Boolean> map = new HashMap<>();
  93         map.put(0, config.getPortDown());
  94         map.put(1, config.getNoStp());
  95         map.put(2, config.getNoRecv());
  96         map.put(3, config.getNoRecvStp());
  97         map.put(4, config.getNoFlood());
  98         map.put(5, config.getNoFwd());
  99         map.put(6, config.getNoPacketIn());
 100         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 101         outBuffer.writeInt(bitmap);
 102     }
 103
 104     private static int createCapabilities(final CapabilitiesV10 capabilities) {
 105         Map<Integer, Boolean> map = new HashMap<>();
 106         map.put(0, capabilities.getOFPCFLOWSTATS());
 107         map.put(1, capabilities.getOFPCTABLESTATS());
 108         map.put(2, capabilities.getOFPCPORTSTATS());
 109         map.put(3, capabilities.getOFPCSTP());
 110         map.put(4, capabilities.getOFPCRESERVED());
 111         map.put(5, capabilities.getOFPCIPREASM());
 112         map.put(6, capabilities.getOFPCQUEUESTATS());
 113         map.put(7, capabilities.getOFPCARPMATCHIP());
 114         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 115         return bitmap;
 116     }
 117
 118     private static int createActionsV10(final ActionTypeV10 action) {
 119         return ByteBufUtils.fillBitMask(0, action.getOFPATOUTPUT(), action.getOFPATSETVLANVID(),
 120                 action.getOFPATSETVLANPCP(), action.getOFPATSTRIPVLAN(), action.getOFPATSETDLSRC(),
 121                 action.getOFPATSETDLDST(), action.getOFPATSETNWSRC(), action.getOFPATSETNWDST(),
 122                 action.getOFPATSETNWTOS(), action.getOFPATSETTPSRC(), action.getOFPATSETTPDST(),
 123                 action.getOFPATENQUEUE(), action.getOFPATVENDOR());
 124     }
 125
 126     private static void writeName(final String name, final ByteBuf outBuffer) {
 127         byte[] nameBytes = name.getBytes(StandardCharsets.UTF_8);
 128         if (nameBytes.length < 16) {
 129             byte[] nameBytesPadding = new byte[16];
 130             int index = 0;
 131             for (byte b : nameBytes) {
 132                 nameBytesPadding[index] = b;
 133                 index++;
 134             }
 135             for (; index < 16; index++) {
 136                 nameBytesPadding[index] = 0x0;
 137             }
 138             outBuffer.writeBytes(nameBytesPadding);
 139         } else {
 140             outBuffer.writeBytes(nameBytes);
 141         }
 142     }
 143 }