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.util.HashMap;
  12 import java.util.Map;
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  14 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  15 import org.opendaylight.openflowjava.util.ByteBufUtils;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ActionTypeV10;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.CapabilitiesV10;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfigV10;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeaturesV10;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortStateV10;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.features.reply.PhyPort;
  24
  25 /**
  26  * @author giuseppex.petralia@intel.com
  27  *
  28  */
  29 public class OF10FeaturesReplyMessageFactory implements OFSerializer<GetFeaturesOutput> {
  30
  31     private static final byte PADDING = 3;
  32     private static final byte MESSAGE_TYPE = 6;
  33
  34     @Override
  35     public void serialize(final GetFeaturesOutput message, final ByteBuf outBuffer) {
  36         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
  37         outBuffer.writeLong(message.getDatapathId().longValue());
  38         outBuffer.writeInt(message.getBuffers().intValue());
  39         outBuffer.writeByte(message.getTables().intValue());
  40         outBuffer.writeZero(PADDING);
  41         outBuffer.writeInt(createCapabilities(message.getCapabilitiesV10()));
  42         outBuffer.writeInt(createActionsV10(message.getActionsV10()));
  43         for (PhyPort port : message.getPhyPort()) {
  44             outBuffer.writeShort(port.getPortNo().intValue());
  45             outBuffer.writeBytes(IetfYangUtil.INSTANCE.bytesFor(port.getHwAddr()));
  46             writeName(port.getName(), outBuffer);
  47             writePortConfig(port.getConfigV10(), outBuffer);
  48             writePortState(port.getStateV10(), outBuffer);
  49             writePortFeature(port.getCurrentFeaturesV10(), outBuffer);
  50             writePortFeature(port.getAdvertisedFeaturesV10(), outBuffer);
  51             writePortFeature(port.getSupportedFeaturesV10(), outBuffer);
  52             writePortFeature(port.getPeerFeaturesV10(), outBuffer);
  53         }
  54         ByteBufUtils.updateOFHeaderLength(outBuffer);
  55     }
  56
  57     private void writePortFeature(final PortFeaturesV10 feature, final ByteBuf outBuffer) {
  58         Map<Integer, Boolean> map = new HashMap<>();
  59         map.put(0, feature.is_10mbHd());
  60         map.put(1, feature.is_10mbFd());
  61         map.put(2, feature.is_100mbHd());
  62         map.put(3, feature.is_100mbFd());
  63         map.put(4, feature.is_1gbHd());
  64         map.put(5, feature.is_1gbFd());
  65         map.put(6, feature.is_10gbFd());
  66         map.put(7, feature.isCopper());
  67         map.put(8, feature.isFiber());
  68         map.put(9, feature.isAutoneg());
  69         map.put(10, feature.isPause());
  70         map.put(11, feature.isPauseAsym());
  71         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
  72         outBuffer.writeInt(bitmap);
  73     }
  74
  75     private void writePortState(final PortStateV10 state, final ByteBuf outBuffer) {
  76         Map<Integer, Boolean> map = new HashMap<>();
  77         map.put(0, state.isLinkDown());
  78         map.put(1, state.isBlocked());
  79         map.put(2, state.isLive());
  80         map.put(3, state.isStpListen());
  81         map.put(4, state.isStpLearn());
  82         map.put(5, state.isStpForward());
  83         map.put(6, state.isStpBlock());
  84         map.put(7, state.isStpMask());
  85         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
  86         outBuffer.writeInt(bitmap);
  87     }
  88
  89     private void writePortConfig(final PortConfigV10 config, final ByteBuf outBuffer) {
  90         Map<Integer, Boolean> map = new HashMap<>();
  91         map.put(0, config.isPortDown());
  92         map.put(1, config.isNoStp());
  93         map.put(2, config.isNoRecv());
  94         map.put(3, config.isNoRecvStp());
  95         map.put(4, config.isNoFlood());
  96         map.put(5, config.isNoFwd());
  97         map.put(6, config.isNoPacketIn());
  98         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
  99         outBuffer.writeInt(bitmap);
 100     }
 101
 102     private static int createCapabilities(final CapabilitiesV10 capabilities) {
 103         Map<Integer, Boolean> map = new HashMap<>();
 104         map.put(0, capabilities.isOFPCFLOWSTATS());
 105         map.put(1, capabilities.isOFPCTABLESTATS());
 106         map.put(2, capabilities.isOFPCPORTSTATS());
 107         map.put(3, capabilities.isOFPCSTP());
 108         map.put(4, capabilities.isOFPCRESERVED());
 109         map.put(5, capabilities.isOFPCIPREASM());
 110         map.put(6, capabilities.isOFPCQUEUESTATS());
 111         map.put(7, capabilities.isOFPCARPMATCHIP());
 112         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 113         return bitmap;
 114     }
 115
 116     private static int createActionsV10(final ActionTypeV10 action) {
 117         return ByteBufUtils.fillBitMask(0, action.isOFPATOUTPUT(), action.isOFPATSETVLANVID(),
 118                 action.isOFPATSETVLANPCP(), action.isOFPATSTRIPVLAN(), action.isOFPATSETDLSRC(),
 119                 action.isOFPATSETDLDST(), action.isOFPATSETNWSRC(), action.isOFPATSETNWDST(), action.isOFPATSETNWTOS(),
 120                 action.isOFPATSETTPSRC(), action.isOFPATSETTPDST(), action.isOFPATENQUEUE(), action.isOFPATVENDOR());
 121
 122     }
 123
 124     private void writeName(final String name, final ByteBuf outBuffer) {
 125         byte[] nameBytes = name.getBytes();
 126         if (nameBytes.length < 16) {
 127             byte[] nameBytesPadding = new byte[16];
 128             int i = 0;
 129             for (byte b : nameBytes) {
 130                 nameBytesPadding[i] = b;
 131                 i++;
 132             }
 133             for (; i < 16; i++) {
 134                 nameBytesPadding[i] = 0x0;
 135             }
 136             outBuffer.writeBytes(nameBytesPadding);
 137         } else {
 138             outBuffer.writeBytes(nameBytes);
 139         }
 140
 141     }
 142 }