| package net.onrc.onos.datastore.topology; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.esotericsoftware.kryo.Kryo; |
| |
| import net.onrc.onos.datastore.RCObject; |
| import net.onrc.onos.datastore.RCTable; |
| import net.onrc.onos.datastore.utils.ByteArrayComparator; |
| import net.onrc.onos.datastore.utils.ByteArrayUtil; |
| |
| public class RCPort extends RCObject { |
| private static final Logger log = LoggerFactory.getLogger(RCPort.class); |
| |
| private static final ThreadLocal<Kryo> portKryo = new ThreadLocal<Kryo>() { |
| @Override |
| protected Kryo initialValue() { |
| Kryo kryo = new Kryo(); |
| kryo.setRegistrationRequired(true); |
| kryo.setReferences(false); |
| kryo.register(byte[].class); |
| kryo.register(byte[][].class); |
| kryo.register(HashMap.class); |
| // TODO check if we should explicitly specify EnumSerializer |
| kryo.register(STATUS.class); |
| return kryo; |
| } |
| }; |
| |
| public static final String GLOBAL_PORT_TABLE_NAME = "G:Port"; |
| |
| // FIXME these should be Enum or some number, not String |
| private static final String PROP_DPID = "dpid"; |
| private static final String PROP_NUMBER = "number"; |
| private static final String PROP_STATUS = "status"; |
| private static final String PROP_LINK_IDS = "link-ids"; |
| private static final String PROP_DEVICE_IDS = "device-ids"; |
| |
| // must not re-order enum members, ordinal will be sent over wire |
| public enum STATUS { |
| INACTIVE, ACTIVE; |
| } |
| |
| private final Long dpid; |
| private final Long number; |
| |
| private STATUS status; |
| // XXX These 2 set of Ids can be removed from DataStore, if In-Memory cache |
| // build the indexing info from Link. |
| private TreeSet<byte[]> linkIds; |
| transient boolean isLinkIdsModified; |
| private TreeSet<byte[]> deviceIds; |
| transient boolean isDeviceIdsModified; |
| |
| public static final int PORTID_BYTES = RCSwitch.SWITCHID_BYTES + 2 + 8; |
| |
| public static byte[] getPortID(Long dpid, Long number) { |
| if (dpid == null) { |
| throw new IllegalArgumentException("dpid cannot be null"); |
| } |
| if (number == null) { |
| throw new IllegalArgumentException("number cannot be null"); |
| } |
| return ByteBuffer.allocate(PORTID_BYTES).putChar('S').putLong(dpid) |
| .putChar('P').putLong(number).array(); |
| } |
| |
| public static long[] getPortPairFromKey(byte[] key) { |
| return getPortPairFromKey(ByteBuffer.wrap(key)); |
| |
| } |
| |
| public static long[] getPortPairFromKey(ByteBuffer keyBuf) { |
| long[] pair = new long[2]; |
| if (keyBuf.getChar() != 'S') { |
| throw new IllegalArgumentException("Invalid Port key:" + keyBuf |
| + " " |
| + ByteArrayUtil.toHexStringBuffer(keyBuf.array(), ":")); |
| } |
| pair[0] = keyBuf.getLong(); |
| if (keyBuf.getChar() != 'P') { |
| throw new IllegalArgumentException("Invalid Port key:" + keyBuf |
| + " " |
| + ByteArrayUtil.toHexStringBuffer(keyBuf.array(), ":")); |
| } |
| pair[1] = keyBuf.getLong(); |
| return pair; |
| |
| } |
| |
| public static long getDpidFromKey(byte[] key) { |
| return getPortPairFromKey(key)[0]; |
| } |
| |
| public static long getNumberFromKey(byte[] key) { |
| return getPortPairFromKey(key)[1]; |
| } |
| |
| // FIXME specify DPID,number here, or Should caller specify the key it self? |
| // In other words, should layer above have the control of the ID? |
| public RCPort(Long dpid, Long number) { |
| super(RCTable.getTable(GLOBAL_PORT_TABLE_NAME), getPortID(dpid, number)); |
| |
| // TODO Auto-generated constructor stub |
| |
| this.dpid = dpid; |
| this.number = number; |
| this.status = STATUS.INACTIVE; |
| this.linkIds = new TreeSet<>(ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| this.isLinkIdsModified = true; |
| this.deviceIds = new TreeSet<>(ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| this.isDeviceIdsModified = true; |
| } |
| |
| public static RCPort createFromKey(byte[] key) { |
| long[] pair = getPortPairFromKey(key); |
| return new RCPort(pair[0], pair[1]); |
| } |
| |
| public STATUS getStatus() { |
| return status; |
| } |
| |
| public void setStatus(STATUS status) { |
| this.status = status; |
| getObjectMap().put(PROP_STATUS, status); |
| } |
| |
| public Long getDpid() { |
| return dpid; |
| } |
| |
| public Long getNumber() { |
| return number; |
| } |
| |
| public byte[] getId() { |
| return getKey(); |
| } |
| |
| public void addLinkId(byte[] linkId) { |
| isLinkIdsModified |= linkIds.add(linkId); |
| } |
| |
| public void removeLinkId(byte[] linkId) { |
| isLinkIdsModified |= linkIds.remove(linkId); |
| } |
| |
| public void emptyLinkIds() { |
| linkIds.clear(); |
| isLinkIdsModified = true; |
| } |
| |
| public void addAllToLinkIds(Collection<byte[]> linkIds) { |
| isLinkIdsModified |= this.linkIds.addAll(linkIds); |
| } |
| |
| /** |
| * |
| * @return Unmodifiable Set view of all the LinkIds; |
| */ |
| public Set<byte[]> getAllLinkIds() { |
| return Collections.unmodifiableSet(linkIds); |
| } |
| |
| public void addDeviceId(byte[] deviceId) { |
| isDeviceIdsModified |= deviceIds.add(deviceId); |
| } |
| |
| public void removeDeviceId(byte[] deviceId) { |
| isDeviceIdsModified |= deviceIds.remove(deviceId); |
| } |
| |
| public void emptyDeviceIds() { |
| deviceIds.clear(); |
| isDeviceIdsModified = true; |
| } |
| |
| public void addAllToDeviceIds(Collection<byte[]> deviceIds) { |
| isDeviceIdsModified |= this.deviceIds.addAll(deviceIds); |
| } |
| |
| /** |
| * |
| * @return Unmodifiable Set view of all the LinkIds; |
| */ |
| public Set<byte[]> getAllDeviceIds() { |
| return Collections.unmodifiableSet(deviceIds); |
| } |
| |
| @Override |
| public void serializeAndSetValue() { |
| Map<Object, Object> map = getObjectMap(); |
| |
| map.put(PROP_DPID, this.dpid); |
| map.put(PROP_NUMBER, this.number); |
| if (isLinkIdsModified) { |
| byte[] linkIdArray[] = new byte[linkIds.size()][]; |
| map.put(PROP_LINK_IDS, linkIds.toArray(linkIdArray)); |
| isLinkIdsModified = false; |
| } |
| if (isDeviceIdsModified) { |
| byte[] deviceIdArray[] = new byte[deviceIds.size()][]; |
| map.put(PROP_DEVICE_IDS, deviceIds.toArray(deviceIdArray)); |
| isDeviceIdsModified = false; |
| } |
| if (log.isWarnEnabled() && (linkIds.size() * deviceIds.size()) != 0) { |
| log.warn("Either #LinkIds:{} or #DeviceIds:{} is expected to be 0", |
| linkIds.size(), deviceIds.size()); |
| } |
| |
| serializeAndSetValue(portKryo.get(), map); |
| } |
| |
| @Override |
| public Map<Object, Object> deserializeObjectFromValue() { |
| Map<Object, Object> map = deserializeObjectFromValue(portKryo.get()); |
| |
| this.status = (STATUS) map.get(PROP_STATUS); |
| |
| if (this.linkIds == null) { |
| this.linkIds = new TreeSet<>( |
| ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| } |
| byte[] linkIdArray[] = (byte[][]) map.get(PROP_LINK_IDS); |
| if (linkIdArray != null) { |
| this.linkIds.clear(); |
| this.linkIds.addAll(Arrays.asList(linkIdArray)); |
| isLinkIdsModified = false; |
| } else { |
| // trigger write on next serialize |
| isLinkIdsModified = true; |
| } |
| |
| if (this.deviceIds == null) { |
| this.deviceIds = new TreeSet<>( |
| ByteArrayComparator.BYTEARRAY_COMPARATOR); |
| } |
| byte[] deviceIdArray[] = (byte[][]) map.get(PROP_DEVICE_IDS); |
| if (deviceIdArray != null) { |
| this.deviceIds.clear(); |
| this.deviceIds.addAll(Arrays.asList(deviceIdArray)); |
| isDeviceIdsModified = false; |
| } else { |
| // trigger write on next serialize |
| isDeviceIdsModified = true; |
| } |
| |
| if (log.isWarnEnabled() && (linkIds.size() * deviceIds.size()) != 0) { |
| log.warn("Either #LinkIds:{} or #DeviceIds:{} is expected to be 0", |
| linkIds.size(), deviceIds.size()); |
| } |
| |
| return map; |
| } |
| |
| @Override |
| public String toString() { |
| // TODO OUTPUT ALL? |
| return "[RCPort 0x" + Long.toHexString(dpid) + "@" + number |
| + " STATUS:" + status + "]"; |
| } |
| |
| public static void main(String[] args) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| } |