| package org.projectfloodlight.openflow.types; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| |
| import com.google.common.primitives.Shorts; |
| |
| /** |
| * |
| * @author Yotam Harchol (yotam.harchol@bigswitch.com) |
| * |
| */ |
| public class ICMPv4Code implements OFValueType<ICMPv4Code> { |
| |
| final static int LENGTH = 1; |
| final static short MAX_CODE = 0xFF; |
| |
| private final short code; |
| |
| private static final short NONE_VAL = 0; |
| public static final ICMPv4Code NONE = new ICMPv4Code(NONE_VAL); |
| |
| public static final ICMPv4Code NO_MASK = new ICMPv4Code((short)0xFFFF); |
| public static final ICMPv4Code FULL_MASK = new ICMPv4Code((short)0x0000); |
| |
| private ICMPv4Code(short code) { |
| this.code = code; |
| } |
| |
| public static ICMPv4Code of(short code) { |
| if(code == NONE_VAL) |
| return NONE; |
| |
| if (code > MAX_CODE || code < 0) |
| throw new IllegalArgumentException("Illegal ICMPv4 code: " + code); |
| return new ICMPv4Code(code); |
| } |
| |
| @Override |
| public int getLength() { |
| return LENGTH; |
| } |
| |
| public short getCode() { |
| return code; |
| } |
| |
| public void writeByte(ChannelBuffer c) { |
| c.writeByte(this.code); |
| } |
| |
| public static ICMPv4Code readByte(ChannelBuffer c) { |
| return ICMPv4Code.of(c.readUnsignedByte()); |
| } |
| |
| @Override |
| public ICMPv4Code applyMask(ICMPv4Code mask) { |
| return ICMPv4Code.of((short)(this.code & mask.code)); |
| } |
| |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + code; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| ICMPv4Code other = (ICMPv4Code) obj; |
| if (code != other.code) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public int compareTo(ICMPv4Code o) { |
| return Shorts.compare(code, o.code); |
| } |
| } |