2 * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
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
9 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
11 import io.netty.buffer.ByteBuf;
13 import java.math.BigInteger;
14 import java.util.ArrayList;
15 import java.util.List;
17 import org.opendaylight.openflowjava.protocol.impl.deserialization.OFDeserializer;
18 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
19 import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ActionTypeV10;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.CapabilitiesV10;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfigV10;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeaturesV10;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortStateV10;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutputBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.features.reply.PhyPort;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.features.reply.PhyPortBuilder;
32 * Translates FeaturesReply messages (OpenFlow v1.0)
33 * @author michal.polkorab
35 public class OF10FeaturesReplyMessageFactory implements OFDeserializer<GetFeaturesOutput> {
37 private static final byte PADDING_IN_FEATURES_REPLY_HEADER = 3;
39 private static OF10FeaturesReplyMessageFactory instance;
41 private OF10FeaturesReplyMessageFactory() {
42 // do nothing, just singleton
46 * @return singleton factory
48 public static synchronized OF10FeaturesReplyMessageFactory getInstance() {
49 if (instance == null) {
50 instance = new OF10FeaturesReplyMessageFactory();
56 public GetFeaturesOutput bufferToMessage(ByteBuf rawMessage, short version) {
57 GetFeaturesOutputBuilder builder = new GetFeaturesOutputBuilder();
58 builder.setVersion(version);
59 builder.setXid(rawMessage.readUnsignedInt());
60 byte[] datapathId = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
61 rawMessage.readBytes(datapathId);
62 builder.setDatapathId(new BigInteger(1, datapathId));
63 builder.setBuffers(rawMessage.readUnsignedInt());
64 builder.setTables(rawMessage.readUnsignedByte());
65 rawMessage.skipBytes(PADDING_IN_FEATURES_REPLY_HEADER);
66 builder.setCapabilitiesV10(createCapabilitiesV10(rawMessage.readUnsignedInt()));
67 builder.setActionsV10(createActionsV10(rawMessage.readUnsignedInt()));
68 List<PhyPort> ports = new ArrayList<>();
69 while (rawMessage.readableBytes() > 0) {
70 ports.add(deserializePort(rawMessage));
72 builder.setPhyPort(ports);
73 return builder.build();
76 private static CapabilitiesV10 createCapabilitiesV10(long input) {
77 final Boolean FLOW_STATS = (input & (1 << 0)) != 0;
78 final Boolean TABLE_STATS = (input & (1 << 1)) != 0;
79 final Boolean PORT_STATS = (input & (1 << 2)) != 0;
80 final Boolean STP = (input & (1 << 3)) != 0;
81 final Boolean RESERVED = (input & (1 << 4)) != 0;
82 final Boolean IP_REASM = (input & (1 << 5)) != 0;
83 final Boolean QUEUE_STATS = (input & (1 << 6)) != 0;
84 final Boolean ARP_MATCH_IP = (input & (1 << 7)) != 0;
85 return new CapabilitiesV10(ARP_MATCH_IP, FLOW_STATS, IP_REASM,
86 PORT_STATS, QUEUE_STATS, RESERVED, STP, TABLE_STATS);
89 private static ActionTypeV10 createActionsV10(long input) {
90 final Boolean OUTPUT = (input & (1 << 0)) != 0;
91 final Boolean SET_VLAN_VID = (input & (1 << 1)) != 0;
92 final Boolean SET_VLAN_PCP = (input & (1 << 2)) != 0;
93 final Boolean STRIP_VLAN = (input & (1 << 3)) != 0;
94 final Boolean SET_DL_SRC = (input & (1 << 4)) != 0;
95 final Boolean SET_DL_DST = (input & (1 << 5)) != 0;
96 final Boolean SET_NW_SRC = (input & (1 << 6)) != 0;
97 final Boolean SET_NW_DST = (input & (1 << 7)) != 0;
98 final Boolean SET_NW_TOS = (input & (1 << 8)) != 0;
99 final Boolean SET_TP_SRC = (input & (1 << 9)) != 0;
100 final Boolean SET_TP_DST = (input & (1 << 10)) != 0;
101 final Boolean ENQUEUE = (input & (1 << 11)) != 0;
102 final Boolean VENDOR = (input & (1 << 12)) != 0;
103 return new ActionTypeV10(ENQUEUE, OUTPUT, SET_DL_DST, SET_DL_SRC,
104 SET_NW_DST, SET_NW_SRC, SET_NW_TOS, SET_TP_DST, SET_TP_SRC,
105 SET_VLAN_PCP, SET_VLAN_VID, STRIP_VLAN, VENDOR);
108 private static PhyPort deserializePort(ByteBuf rawMessage) {
109 PhyPortBuilder builder = new PhyPortBuilder();
110 builder.setPortNo((long) rawMessage.readUnsignedShort());
111 byte[] address = new byte[EncodeConstants.MAC_ADDRESS_LENGTH];
112 rawMessage.readBytes(address);
113 builder.setHwAddr(new MacAddress(ByteBufUtils.macAddressToString(address)));
114 builder.setName(ByteBufUtils.decodeNullTerminatedString(rawMessage, EncodeConstants.MAX_PORT_NAME_LENGTH));
115 builder.setConfigV10(createPortConfig(rawMessage.readUnsignedInt()));
116 builder.setStateV10(createPortState(rawMessage.readUnsignedInt()));
117 builder.setCurrentFeaturesV10(createPortFeatures(rawMessage.readUnsignedInt()));
118 builder.setAdvertisedFeaturesV10(createPortFeatures(rawMessage.readUnsignedInt()));
119 builder.setSupportedFeaturesV10(createPortFeatures(rawMessage.readUnsignedInt()));
120 builder.setPeerFeaturesV10(createPortFeatures(rawMessage.readUnsignedInt()));
121 return builder.build();
126 private static PortStateV10 createPortState(long input){
127 final Boolean _linkDown = ((input) & (1<<0)) != 0;
128 final Boolean _blocked = ((input) & (1<<1)) != 0;
129 final Boolean _live = ((input) & (1<<2)) != 0;
130 final Boolean _stpListen = ((input) & (0<<8)) != 0;
131 final Boolean _stpLearn = ((input) & (1<<8)) != 0;
132 final Boolean _stpForward = ((input) & (1<<9)) != 0; // equals 2 << 8
133 final Boolean _stpBlock = (((input) & (1<<9)) != 0) && (((input) & (1<<8)) != 0); // equals 3 << 8
134 final Boolean _stpMask = ((input) & (1<<10)) != 0; // equals 4 << 8
135 return new PortStateV10(_blocked, _linkDown, _live, _stpBlock, _stpForward, _stpLearn, _stpListen, _stpMask);
138 private static PortConfigV10 createPortConfig(long input){
139 final Boolean _portDown = ((input) & (1<<0)) != 0;
140 final Boolean _noStp = ((input) & (1<<1)) != 0;
141 final Boolean _noRecv = ((input) & (1<<2)) != 0;
142 final Boolean _noRecvStp = ((input) & (1<<3)) != 0;
143 final Boolean _noFlood = ((input) & (1<<4)) != 0;
144 final Boolean _noFwd = ((input) & (1<<5)) != 0;
145 final Boolean _noPacketIn = ((input) & (1<<6)) != 0;
146 return new PortConfigV10(_noFlood, _noFwd, _noPacketIn, _noRecv, _noRecvStp, _noStp, _portDown);
149 private static PortFeaturesV10 createPortFeatures(long input){
150 final Boolean _10mbHd = ((input) & (1<<0)) != 0;
151 final Boolean _10mbFd = ((input) & (1<<1)) != 0;
152 final Boolean _100mbHd = ((input) & (1<<2)) != 0;
153 final Boolean _100mbFd = ((input) & (1<<3)) != 0;
154 final Boolean _1gbHd = ((input) & (1<<4)) != 0;
155 final Boolean _1gbFd = ((input) & (1<<5)) != 0;
156 final Boolean _10gbFd = ((input) & (1<<6)) != 0;
157 final Boolean _copper = ((input) & (1<<7)) != 0;
158 final Boolean _fiber = ((input) & (1<<8)) != 0;
159 final Boolean _autoneg = ((input) & (1<<9)) != 0;
160 final Boolean _pause = ((input) & (1<<10)) != 0;
161 final Boolean _pauseAsym = ((input) & (1<<11)) != 0;
162 return new PortFeaturesV10(_100mbFd, _100mbHd, _10gbFd, _10mbFd, _10mbHd,
163 _1gbFd, _1gbHd, _autoneg, _copper, _fiber, _pause, _pauseAsym);