| package org.openflow.types; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.openflow.exceptions.OFParseError; |
| |
| /** |
| * A wrapper around the OpenFlow physical port description. The interfaces to |
| * this object are version agnostic. |
| * |
| * @author capveg |
| */ |
| |
| public class OFPhysicalPort implements OFValueType { |
| |
| static final int LENGTH = 4; |
| |
| private final int port; |
| |
| private OFPhysicalPort(int port) { |
| this.port = port; |
| } |
| |
| public static OFPhysicalPort of(int port) { |
| return new OFPhysicalPort(port); |
| } |
| |
| @Override |
| public int getLength() { |
| return LENGTH; |
| } |
| |
| volatile byte[] bytesCache; |
| |
| @Override |
| public byte[] getBytes() { |
| if (bytesCache == null) { |
| synchronized (this) { |
| if (bytesCache == null) { |
| bytesCache = new byte[] { (byte)(port & 0xFF), |
| (byte)((port >>> 8) & 0xFF), |
| (byte)((port >>> 16) & 0xFF), |
| (byte)((port >>> 24) & 0xFF)}; |
| } |
| } |
| } |
| return bytesCache; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof OFPhysicalPort)) |
| return false; |
| OFPhysicalPort other = (OFPhysicalPort)obj; |
| if (other.port != this.port) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 59; |
| int result = 1; |
| result = prime * result + port; |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return Integer.toHexString(port); |
| } |
| |
| public static final Serializer<OFPhysicalPort> SERIALIZER_V11 = new SerializerV11(); |
| public static final Serializer<OFPhysicalPort> SERIALIZER_V12 = SERIALIZER_V11; |
| public static final Serializer<OFPhysicalPort> SERIALIZER_V13 = SERIALIZER_V11; |
| |
| private static class SerializerV11 implements OFValueType.Serializer<OFPhysicalPort> { |
| |
| @Override |
| public void writeTo(OFPhysicalPort value, ChannelBuffer c) { |
| c.writeInt(value.port); |
| } |
| |
| @Override |
| public OFPhysicalPort readFrom(ChannelBuffer c) throws OFParseError { |
| return OFPhysicalPort.of((int)(c.readUnsignedInt() & 0xFFFFFFFF)); |
| } |
| |
| } |
| |
| } |