Andreas Wundsam | 40e14f7 | 2013-05-06 14:49:08 -0700 | [diff] [blame] | 1 | package org.openflow.types; |
| 2 | |
Yotam Harchol | 161a5d5 | 2013-07-25 17:17:48 -0700 | [diff] [blame] | 3 | import org.jboss.netty.buffer.ChannelBuffer; |
| 4 | import org.openflow.exceptions.OFParseError; |
Andreas Wundsam | f22c2e2 | 2013-08-02 22:21:20 -0700 | [diff] [blame] | 5 | import org.openflow.protocol.OFMessageReader; |
| 6 | import org.openflow.protocol.Writeable; |
Yotam Harchol | 161a5d5 | 2013-07-25 17:17:48 -0700 | [diff] [blame] | 7 | |
Andreas Wundsam | 40e14f7 | 2013-05-06 14:49:08 -0700 | [diff] [blame] | 8 | /** |
| 9 | * A wrapper around the OpenFlow physical port description. The interfaces to |
| 10 | * this object are version agnostic. |
| 11 | * |
| 12 | * @author capveg |
| 13 | */ |
| 14 | |
Andreas Wundsam | f22c2e2 | 2013-08-02 22:21:20 -0700 | [diff] [blame] | 15 | public class OFPhysicalPort implements OFValueType<OFPhysicalPort>, Writeable { |
Yotam Harchol | 161a5d5 | 2013-07-25 17:17:48 -0700 | [diff] [blame] | 16 | |
| 17 | static final int LENGTH = 4; |
Andreas Wundsam | f22c2e2 | 2013-08-02 22:21:20 -0700 | [diff] [blame] | 18 | |
Yotam Harchol | 161a5d5 | 2013-07-25 17:17:48 -0700 | [diff] [blame] | 19 | private final int port; |
Andreas Wundsam | f22c2e2 | 2013-08-02 22:21:20 -0700 | [diff] [blame] | 20 | |
Yotam Harchol | 161a5d5 | 2013-07-25 17:17:48 -0700 | [diff] [blame] | 21 | private OFPhysicalPort(int port) { |
| 22 | this.port = port; |
| 23 | } |
Andreas Wundsam | f22c2e2 | 2013-08-02 22:21:20 -0700 | [diff] [blame] | 24 | |
Yotam Harchol | 161a5d5 | 2013-07-25 17:17:48 -0700 | [diff] [blame] | 25 | public static OFPhysicalPort of(int port) { |
| 26 | return new OFPhysicalPort(port); |
| 27 | } |
| 28 | |
| 29 | @Override |
| 30 | public int getLength() { |
| 31 | return LENGTH; |
| 32 | } |
Yotam Harchol | 161a5d5 | 2013-07-25 17:17:48 -0700 | [diff] [blame] | 33 | |
| 34 | @Override |
| 35 | public boolean equals(Object obj) { |
| 36 | if (!(obj instanceof OFPhysicalPort)) |
| 37 | return false; |
| 38 | OFPhysicalPort other = (OFPhysicalPort)obj; |
| 39 | if (other.port != this.port) |
| 40 | return false; |
| 41 | return true; |
| 42 | } |
| 43 | |
| 44 | @Override |
| 45 | public int hashCode() { |
| 46 | final int prime = 59; |
| 47 | int result = 1; |
| 48 | result = prime * result + port; |
| 49 | return result; |
| 50 | } |
| 51 | |
| 52 | @Override |
| 53 | public String toString() { |
| 54 | return Integer.toHexString(port); |
| 55 | } |
| 56 | |
Yotam Harchol | d7b8420 | 2013-07-26 16:08:10 -0700 | [diff] [blame] | 57 | public void write4Bytes(ChannelBuffer c) { |
| 58 | c.writeInt(this.port); |
| 59 | } |
Yotam Harchol | 161a5d5 | 2013-07-25 17:17:48 -0700 | [diff] [blame] | 60 | |
Andreas Wundsam | f22c2e2 | 2013-08-02 22:21:20 -0700 | [diff] [blame] | 61 | @Override |
| 62 | public void writeTo(ChannelBuffer bb) { |
| 63 | write4Bytes(bb); |
| 64 | } |
| 65 | |
Yotam Harchol | d7b8420 | 2013-07-26 16:08:10 -0700 | [diff] [blame] | 66 | public static OFPhysicalPort read4Bytes(ChannelBuffer c) throws OFParseError { |
| 67 | return OFPhysicalPort.of((int)(c.readUnsignedInt() & 0xFFFFFFFF)); |
Yotam Harchol | 161a5d5 | 2013-07-25 17:17:48 -0700 | [diff] [blame] | 68 | } |
Andreas Wundsam | 40e14f7 | 2013-05-06 14:49:08 -0700 | [diff] [blame] | 69 | |
Yotam Harchol | 5c9d6f4 | 2013-08-01 11:09:20 -0700 | [diff] [blame] | 70 | @Override |
| 71 | public OFPhysicalPort applyMask(OFPhysicalPort mask) { |
| 72 | return OFPhysicalPort.of(this.port & mask.port); |
| 73 | } |
| 74 | |
| 75 | public int getPortNumber() { |
| 76 | return port; |
| 77 | } |
Andreas Wundsam | f22c2e2 | 2013-08-02 22:21:20 -0700 | [diff] [blame] | 78 | |
| 79 | public final static Reader READER = new Reader(); |
| 80 | private static class Reader implements OFMessageReader<OFPhysicalPort> { |
| 81 | @Override |
| 82 | public OFPhysicalPort readFrom(ChannelBuffer bb) throws OFParseError { |
| 83 | return OFPhysicalPort.read4Bytes(bb); |
| 84 | } |
| 85 | |
| 86 | } |
Andreas Wundsam | 40e14f7 | 2013-05-06 14:49:08 -0700 | [diff] [blame] | 87 | } |