blob: 7d15fb71e89c775bfdd11d8a0687803ef3b9462b [file] [log] [blame]
Yotam Harcholf3f11152013-09-05 16:47:16 -07001package org.projectfloodlight.openflow.types;
2
3import org.jboss.netty.buffer.ChannelBuffer;
4import org.projectfloodlight.openflow.exceptions.OFParseError;
5
6public class VlanPcp implements OFValueType<VlanPcp> {
7
8 private static final byte VALIDATION_MASK = 0x07;
Andreas Wundsamb75c4ad2013-09-23 14:45:35 -07009 private static final byte NONE_VAL = 0x00;
Yotam Harcholf3f11152013-09-05 16:47:16 -070010 static final int LENGTH = 1;
11
12 private final byte pcp;
13
Andreas Wundsamb75c4ad2013-09-23 14:45:35 -070014 public static final VlanPcp NONE = new VlanPcp(NONE_VAL);
Yotam Harchol329f2b02013-09-11 15:05:26 -070015 public static final VlanPcp NO_MASK = new VlanPcp((byte)0xFF);
Yotam Harcholf3f11152013-09-05 16:47:16 -070016 public static final VlanPcp FULL_MASK = VlanPcp.of((byte)0x0);
17
18 private VlanPcp(byte pcp) {
19 this.pcp = pcp;
20 }
21
22 public static VlanPcp of(byte pcp) {
23 if ((pcp & VALIDATION_MASK) != pcp)
24 throw new IllegalArgumentException("Illegal VLAN PCP value: " + pcp);
25 return new VlanPcp(pcp);
26 }
27
28 @Override
29 public boolean equals(Object obj) {
30 if (!(obj instanceof VlanPcp))
31 return false;
32 VlanPcp other = (VlanPcp)obj;
33 if (other.pcp != this.pcp)
34 return false;
35 return true;
36 }
37
38 @Override
39 public int hashCode() {
40 int prime = 20173;
41 return this.pcp * prime;
42 }
43
44 @Override
45 public String toString() {
46 return "0x" + Integer.toHexString(pcp);
47 }
48
49 public byte getValue() {
50 return pcp;
51 }
52
53 @Override
54 public int getLength() {
55 return LENGTH;
56 }
57
58 public void writeByte(ChannelBuffer c) {
Yotam Harchol234fd1e2013-09-16 09:57:30 -070059 c.writeByte(this.pcp);
Yotam Harcholf3f11152013-09-05 16:47:16 -070060 }
61
62 public static VlanPcp readByte(ChannelBuffer c) throws OFParseError {
63 return VlanPcp.of((byte)(c.readUnsignedByte() & 0xFF));
64 }
65
66 @Override
67 public VlanPcp applyMask(VlanPcp mask) {
68 return VlanPcp.of((byte)(this.pcp & mask.pcp));
69 }
70
71}