Yuta HIGUCHI | 1ef85c4 | 2014-01-29 17:23:21 -0800 | [diff] [blame^] | 1 | package net.onrc.onos.datastore.topology; |
| 2 | |
| 3 | import java.nio.ByteBuffer; |
| 4 | import java.util.Arrays; |
| 5 | import java.util.Collection; |
| 6 | import java.util.Collections; |
| 7 | import java.util.HashMap; |
| 8 | import java.util.Map; |
| 9 | import java.util.Set; |
| 10 | import java.util.TreeSet; |
| 11 | |
| 12 | import org.slf4j.Logger; |
| 13 | import org.slf4j.LoggerFactory; |
| 14 | |
| 15 | import com.esotericsoftware.kryo.Kryo; |
| 16 | |
| 17 | import net.onrc.onos.datastore.RCObject; |
| 18 | import net.onrc.onos.datastore.RCTable; |
| 19 | import net.onrc.onos.datastore.utils.ByteArrayComparator; |
| 20 | |
| 21 | public class RCPort extends RCObject { |
| 22 | private static final Logger log = LoggerFactory.getLogger(RCPort.class); |
| 23 | |
| 24 | private static final ThreadLocal<Kryo> portKryo = new ThreadLocal<Kryo>() { |
| 25 | @Override |
| 26 | protected Kryo initialValue() { |
| 27 | Kryo kryo = new Kryo(); |
| 28 | kryo.setRegistrationRequired(true); |
| 29 | kryo.setReferences(false); |
| 30 | kryo.register(byte[].class); |
| 31 | kryo.register(byte[][].class); |
| 32 | kryo.register(HashMap.class); |
| 33 | // TODO check if we should explicitly specify EnumSerializer |
| 34 | kryo.register(STATUS.class); |
| 35 | return kryo; |
| 36 | } |
| 37 | }; |
| 38 | |
| 39 | public static final String GLOBAL_PORT_TABLE_NAME = "G:Port"; |
| 40 | |
| 41 | // FIXME these should be Enum or some number, not String |
| 42 | private static final String PROP_DPID = "dpid"; |
| 43 | private static final String PROP_NUMBER = "number"; |
| 44 | private static final String PROP_STATUS = "status"; |
| 45 | private static final String PROP_LINK_IDS = "link-ids"; |
| 46 | private static final String PROP_DEVICE_IDS = "device-ids"; |
| 47 | |
| 48 | // must not re-order enum members, ordinal will be sent over wire |
| 49 | public enum STATUS { |
| 50 | INACTIVE, ACTIVE; |
| 51 | } |
| 52 | |
| 53 | private final Long dpid; |
| 54 | private final Long number; |
| 55 | |
| 56 | private STATUS status; |
| 57 | // XXX These 2 set of Ids can be removed from DataStore, if In-Memory cache |
| 58 | // build the indexing info from Link. |
| 59 | private TreeSet<byte[]> linkIds; |
| 60 | transient boolean isLinkIdsModified; |
| 61 | private TreeSet<byte[]> deviceIds; |
| 62 | transient boolean isDeviceIdsModified; |
| 63 | |
| 64 | public static final int PORTID_BYTES = RCSwitch.SWITCHID_BYTES + 2 + 8; |
| 65 | |
| 66 | public static byte[] getPortID(Long dpid, Long number) { |
| 67 | if (dpid == null) { |
| 68 | throw new IllegalArgumentException("dpid cannot be null"); |
| 69 | } |
| 70 | if (number == null) { |
| 71 | throw new IllegalArgumentException("number cannot be null"); |
| 72 | } |
| 73 | return ByteBuffer.allocate(PORTID_BYTES).putChar('S').putLong(dpid) |
| 74 | .putChar('P').putLong(number).array(); |
| 75 | } |
| 76 | |
| 77 | public static long getDpidFromKey(byte[] key) { |
| 78 | ByteBuffer keyBuf = ByteBuffer.wrap(key); |
| 79 | if (keyBuf.getChar() != 'S') { |
| 80 | throw new IllegalArgumentException("Invalid Port key"); |
| 81 | } |
| 82 | return keyBuf.getLong(); |
| 83 | } |
| 84 | |
| 85 | public static long getNumberFromKey(byte[] key) { |
| 86 | ByteBuffer keyBuf = ByteBuffer.wrap(key); |
| 87 | keyBuf.position(RCSwitch.SWITCHID_BYTES); |
| 88 | if (keyBuf.getChar() != 'P') { |
| 89 | throw new IllegalArgumentException("Invalid Port key"); |
| 90 | } |
| 91 | return keyBuf.getLong(); |
| 92 | } |
| 93 | |
| 94 | // FIXME specify DPID,number here, or Should caller specify the key it self? |
| 95 | // In other words, should layer above have the control of the ID? |
| 96 | public RCPort(Long dpid, Long number) { |
| 97 | super(RCTable.getTable(GLOBAL_PORT_TABLE_NAME), getPortID(dpid, number)); |
| 98 | |
| 99 | // TODO Auto-generated constructor stub |
| 100 | |
| 101 | this.dpid = dpid; |
| 102 | this.number = number; |
| 103 | this.status = STATUS.INACTIVE; |
| 104 | this.linkIds = new TreeSet<>(ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| 105 | this.isLinkIdsModified = true; |
| 106 | this.deviceIds = new TreeSet<>(ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| 107 | this.isDeviceIdsModified = true; |
| 108 | } |
| 109 | |
| 110 | public static RCPort createFromKey(byte[] key) { |
| 111 | return new RCPort(getDpidFromKey(key), getNumberFromKey(key)); |
| 112 | } |
| 113 | |
| 114 | public STATUS getStatus() { |
| 115 | return status; |
| 116 | } |
| 117 | |
| 118 | public void setStatus(STATUS status) { |
| 119 | this.status = status; |
| 120 | getObjectMap().put(PROP_STATUS, status); |
| 121 | } |
| 122 | |
| 123 | public Long getDpid() { |
| 124 | return dpid; |
| 125 | } |
| 126 | |
| 127 | public Long getNumber() { |
| 128 | return number; |
| 129 | } |
| 130 | |
| 131 | public byte[] getId() { |
| 132 | return getKey(); |
| 133 | } |
| 134 | |
| 135 | public void addLinkId(byte[] linkId) { |
| 136 | isLinkIdsModified |= linkIds.add(linkId); |
| 137 | } |
| 138 | |
| 139 | public void removeLinkId(byte[] linkId) { |
| 140 | isLinkIdsModified |= linkIds.remove(linkId); |
| 141 | } |
| 142 | |
| 143 | public void emptyLinkIds() { |
| 144 | linkIds.clear(); |
| 145 | isLinkIdsModified = true; |
| 146 | } |
| 147 | |
| 148 | public void addAllToLinkIds(Collection<byte[]> linkIds) { |
| 149 | isLinkIdsModified |= this.linkIds.addAll(linkIds); |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * |
| 154 | * @return Unmodifiable Set view of all the LinkIds; |
| 155 | */ |
| 156 | public Set<byte[]> getAllLinkIds() { |
| 157 | return Collections.unmodifiableSet(linkIds); |
| 158 | } |
| 159 | |
| 160 | public void addDeviceId(byte[] deviceId) { |
| 161 | isDeviceIdsModified |= deviceIds.add(deviceId); |
| 162 | } |
| 163 | |
| 164 | public void removeDeviceId(byte[] deviceId) { |
| 165 | isDeviceIdsModified |= deviceIds.remove(deviceId); |
| 166 | } |
| 167 | |
| 168 | public void emptyDeviceIds() { |
| 169 | deviceIds.clear(); |
| 170 | isDeviceIdsModified = true; |
| 171 | } |
| 172 | |
| 173 | public void addAllToDeviceIds(Collection<byte[]> deviceIds) { |
| 174 | isDeviceIdsModified |= this.deviceIds.addAll(deviceIds); |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * |
| 179 | * @return Unmodifiable Set view of all the LinkIds; |
| 180 | */ |
| 181 | public Set<byte[]> getAllDeviceIds() { |
| 182 | return Collections.unmodifiableSet(deviceIds); |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | public void serializeAndSetValue() { |
| 187 | Map<Object, Object> map = getObjectMap(); |
| 188 | |
| 189 | map.put(PROP_DPID, this.dpid); |
| 190 | map.put(PROP_NUMBER, this.number); |
| 191 | if (isLinkIdsModified) { |
| 192 | byte[] linkIdArray[] = new byte[linkIds.size()][]; |
| 193 | map.put(PROP_LINK_IDS, linkIds.toArray(linkIdArray)); |
| 194 | isLinkIdsModified = false; |
| 195 | } |
| 196 | if (isDeviceIdsModified) { |
| 197 | byte[] deviceIdArray[] = new byte[deviceIds.size()][]; |
| 198 | map.put(PROP_DEVICE_IDS, deviceIds.toArray(deviceIdArray)); |
| 199 | isDeviceIdsModified = false; |
| 200 | } |
| 201 | if (log.isWarnEnabled() && (linkIds.size() * deviceIds.size()) != 0) { |
| 202 | log.warn("Either #LinkIds:{} or #DeviceIds:{} is expected to be 0", |
| 203 | linkIds.size(), deviceIds.size()); |
| 204 | } |
| 205 | |
| 206 | serializeAndSetValue(portKryo.get(), map); |
| 207 | } |
| 208 | |
| 209 | @Override |
| 210 | public Map<Object, Object> deserializeObjectFromValue() { |
| 211 | Map<Object, Object> map = deserializeObjectFromValue(portKryo.get()); |
| 212 | |
| 213 | this.status = (STATUS) map.get(PROP_STATUS); |
| 214 | |
| 215 | if (this.linkIds == null) { |
| 216 | this.linkIds = new TreeSet<>( |
| 217 | ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| 218 | } |
| 219 | byte[] linkIdArray[] = (byte[][]) map.get(PROP_LINK_IDS); |
| 220 | if (linkIdArray != null) { |
| 221 | this.linkIds.clear(); |
| 222 | this.linkIds.addAll(Arrays.asList(linkIdArray)); |
| 223 | isLinkIdsModified = false; |
| 224 | } else { |
| 225 | // trigger write on next serialize |
| 226 | isLinkIdsModified = true; |
| 227 | } |
| 228 | |
| 229 | if (this.deviceIds == null) { |
| 230 | this.deviceIds = new TreeSet<>( |
| 231 | ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| 232 | } |
| 233 | byte[] deviceIdArray[] = (byte[][]) map.get(PROP_DEVICE_IDS); |
| 234 | if (deviceIdArray != null) { |
| 235 | this.deviceIds.clear(); |
| 236 | this.deviceIds.addAll(Arrays.asList(deviceIdArray)); |
| 237 | isDeviceIdsModified = false; |
| 238 | } else { |
| 239 | // trigger write on next serialize |
| 240 | isDeviceIdsModified = true; |
| 241 | } |
| 242 | |
| 243 | if (log.isWarnEnabled() && (linkIds.size() * deviceIds.size()) != 0) { |
| 244 | log.warn("Either #LinkIds:{} or #DeviceIds:{} is expected to be 0", |
| 245 | linkIds.size(), deviceIds.size()); |
| 246 | } |
| 247 | |
| 248 | return map; |
| 249 | } |
| 250 | |
| 251 | @Override |
| 252 | public String toString() { |
| 253 | // TODO OUTPUT ALL? |
| 254 | return "[RCPort 0x" + Long.toHexString(dpid) + "@" + number |
| 255 | + " STATUS:" + status + "]"; |
| 256 | } |
| 257 | |
| 258 | public static void main(String[] args) { |
| 259 | // TODO Auto-generated method stub |
| 260 | |
| 261 | } |
| 262 | |
| 263 | } |