| package net.onrc.onos.datastore.topology; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import org.openflow.util.HexString; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.esotericsoftware.kryo.Kryo; |
| import com.google.protobuf.ByteString; |
| import com.google.protobuf.InvalidProtocolBufferException; |
| |
| import edu.stanford.ramcloud.JRamCloud; |
| import net.onrc.onos.datastore.RCProtos.PortProperty; |
| import net.onrc.onos.datastore.RCObject; |
| import net.onrc.onos.datastore.RCTable; |
| import net.onrc.onos.datastore.utils.ByteArrayUtil; |
| import net.onrc.onos.ofcontroller.networkgraph.PortEvent; |
| |
| 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"; |
| |
| // 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; |
| |
| public static byte[] getPortID(Long dpid, Long number) { |
| return PortEvent.getPortID(dpid, number).array(); |
| } |
| |
| public static StringBuilder keysToSB(Collection<byte[]> keys) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("["); |
| boolean hasWritten = false; |
| for (byte[] key : keys) { |
| if (hasWritten) { |
| sb.append(", "); |
| } |
| sb.append(keyToString(key)); |
| hasWritten = true; |
| } |
| sb.append("]"); |
| return sb; |
| } |
| |
| public static String keyToString(byte[] key) { |
| // For debug log |
| long[] pair = getPortPairFromKey(key); |
| return "S" + HexString.toHexString(pair[0]) + "P" + pair[1]; |
| } |
| |
| 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; |
| } |
| |
| /** |
| * Get an instance from Key. |
| * |
| * @note You need to call `read()` to get the DB content. |
| * @param key |
| * @return RCPort instance |
| */ |
| public static <P extends RCObject> P createFromKey(byte[] key) { |
| long[] pair = getPortPairFromKey(key); |
| @SuppressWarnings("unchecked") |
| P p = (P) new RCPort(pair[0], pair[1]); |
| return p; |
| } |
| |
| public static Iterable<RCPort> getAllPorts() { |
| return new PortEnumerator(); |
| } |
| |
| public static class PortEnumerator implements Iterable<RCPort> { |
| |
| @Override |
| public Iterator<RCPort> iterator() { |
| return new PortIterator(); |
| } |
| } |
| |
| public static class PortIterator extends ObjectIterator<RCPort> { |
| |
| public PortIterator() { |
| super(RCTable.getTable(GLOBAL_PORT_TABLE_NAME)); |
| } |
| |
| @Override |
| public RCPort next() { |
| JRamCloud.Object o = enumerator.next(); |
| RCPort e = RCPort.createFromKey(o.key); |
| e.setValueAndDeserialize(o.value, o.version); |
| return e; |
| } |
| } |
| |
| public STATUS getStatus() { |
| return status; |
| } |
| |
| public void setStatus(STATUS status) { |
| this.status = status; |
| } |
| |
| public Long getDpid() { |
| return dpid; |
| } |
| |
| public Long getNumber() { |
| return number; |
| } |
| |
| public byte[] getId() { |
| return getKey(); |
| } |
| |
| @Override |
| public void serializeAndSetValue() { |
| Map<Object, Object> map = getObjectMap(); |
| |
| PortProperty.Builder port = PortProperty.newBuilder(); |
| port.setDpid(dpid); |
| port.setNumber(number); |
| port.setStatus(status.ordinal()); |
| |
| if (!map.isEmpty()) { |
| serializeAndSetValue(portKryo.get(), map); |
| port.setValue(ByteString.copyFrom(this.getSerializedValue())); |
| } |
| |
| this.value = port.build().toByteArray(); |
| } |
| |
| @Override |
| public Map<Object, Object> deserializeObjectFromValue() { |
| PortProperty port = null; |
| Map<Object, Object> map = null; |
| try { |
| port = PortProperty.parseFrom(this.value); |
| this.value = port.getValue().toByteArray(); |
| if (this.value.length >= 1) { |
| map = deserializeObjectFromValue(portKryo.get()); |
| } else { |
| map = new HashMap<>(); |
| } |
| this.status = STATUS.values()[port.getStatus()]; |
| return map; |
| } catch (InvalidProtocolBufferException e) { |
| log.error("{" + toString() + "}: Read Port: ", e); |
| return null; |
| } |
| } |
| |
| @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 |
| |
| } |
| |
| } |