| package org.projectfloodlight.openflow.types; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.projectfloodlight.openflow.exceptions.OFParseError; |
| |
| import com.google.common.primitives.UnsignedInts; |
| |
| public class IPv6FlowLabel implements OFValueType<IPv6FlowLabel> { |
| |
| static final int LENGTH = 4; |
| |
| private final int label; |
| |
| private final static int NONE_VAL = 0x0; |
| public static final IPv6FlowLabel NONE = new IPv6FlowLabel(NONE_VAL); |
| |
| public static final IPv6FlowLabel NO_MASK = IPv6FlowLabel.of(0xFFFFFFFF); |
| public static final IPv6FlowLabel FULL_MASK = IPv6FlowLabel.of(0x0); |
| |
| private IPv6FlowLabel(int label) { |
| this.label = label; |
| } |
| |
| public static IPv6FlowLabel of(int label) { |
| if(label == NONE_VAL) |
| return NONE; |
| return new IPv6FlowLabel(label); |
| } |
| |
| @Override |
| public int getLength() { |
| return LENGTH; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof IPv6FlowLabel)) |
| return false; |
| IPv6FlowLabel other = (IPv6FlowLabel)obj; |
| if (other.label != this.label) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 59; |
| int result = 1; |
| result = prime * result + label; |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return Integer.toHexString(label); |
| } |
| |
| public void write4Bytes(ChannelBuffer c) { |
| c.writeInt(this.label); |
| } |
| |
| public static IPv6FlowLabel read4Bytes(ChannelBuffer c) throws OFParseError { |
| return IPv6FlowLabel.of((int)(c.readUnsignedInt() & 0xFFFFFFFF)); |
| } |
| |
| @Override |
| public IPv6FlowLabel applyMask(IPv6FlowLabel mask) { |
| return IPv6FlowLabel.of(this.label & mask.label); |
| } |
| |
| public int getIPv6FlowLabelValue() { |
| return label; |
| } |
| |
| @Override |
| public int compareTo(IPv6FlowLabel o) { |
| return UnsignedInts.compare(label, o.label); |
| } |
| } |