| package org.projectfloodlight.openflow.types; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| |
| import com.google.common.primitives.UnsignedInts; |
| |
| public class ArpOpcode implements OFValueType<ArpOpcode> { |
| |
| final static int LENGTH = 2; |
| |
| private static final int ARP_OPCODE_VAL_REQUEST = 1; |
| private static final int ARP_OPCODE_VAL_REPLY = 2; |
| private static final int ARP_OPCODE_VAL_REQUEST_REVERSE = 3; |
| private static final int ARP_OPCODE_VAL_REPLY_REVERSE = 4; |
| private static final int ARP_OPCODE_VAL_DRARP_REQUEST = 5; |
| private static final int ARP_OPCODE_VAL_DRARP_REPLY = 6; |
| private static final int ARP_OPCODE_VAL_DRARP_ERROR = 7; |
| private static final int ARP_OPCODE_VAL_INARP_REQUEST = 8; |
| private static final int ARP_OPCODE_VAL_INARP_REPLY = 9; |
| private static final int ARP_OPCODE_VAL_ARP_NAK = 10; |
| private static final int ARP_OPCODE_VAL_MARS_REQUEST = 11; |
| private static final int ARP_OPCODE_VAL_MARS_MULTI = 12; |
| private static final int ARP_OPCODE_VAL_MARS_MSERV = 13; |
| private static final int ARP_OPCODE_VAL_MARS_JOIN = 14; |
| private static final int ARP_OPCODE_VAL_MARS_LEAVE = 15; |
| private static final int ARP_OPCODE_VAL_MARS_NAK = 16; |
| private static final int ARP_OPCODE_VAL_MARS_UNSERV = 17; |
| private static final int ARP_OPCODE_VAL_MARS_SJOIN = 18; |
| private static final int ARP_OPCODE_VAL_MARS_SLEAVE = 19; |
| private static final int ARP_OPCODE_VAL_MARS_GROUPLIST_REQUEST = 20; |
| private static final int ARP_OPCODE_VAL_MARS_GROUPLIST_REPLY = 21; |
| private static final int ARP_OPCODE_VAL_MARS_REDIRECT_MAP = 22; |
| private static final int ARP_OPCODE_VAL_MAPOS_UNARP = 23; |
| private static final int ARP_OPCODE_VAL_OP_EXP1 = 24; |
| private static final int ARP_OPCODE_VAL_OP_EXP2 = 25; |
| |
| public static final ArpOpcode ARP_OPCODE_REQUEST = new ArpOpcode(ARP_OPCODE_VAL_REQUEST); |
| public static final ArpOpcode ARP_OPCODE_REPLY = new ArpOpcode(ARP_OPCODE_VAL_REPLY); |
| public static final ArpOpcode ARP_OPCODE_REQUEST_REVERSE = new ArpOpcode(ARP_OPCODE_VAL_REQUEST_REVERSE); |
| public static final ArpOpcode ARP_OPCODE_REPLY_REVERSE = new ArpOpcode(ARP_OPCODE_VAL_REPLY_REVERSE); |
| public static final ArpOpcode ARP_OPCODE_DRARP_REQUEST = new ArpOpcode(ARP_OPCODE_VAL_DRARP_REQUEST); |
| public static final ArpOpcode ARP_OPCODE_DRARP_REPLY = new ArpOpcode(ARP_OPCODE_VAL_DRARP_REPLY); |
| public static final ArpOpcode ARP_OPCODE_DRARP_ERROR = new ArpOpcode(ARP_OPCODE_VAL_DRARP_ERROR); |
| public static final ArpOpcode ARP_OPCODE_INARP_REQUEST = new ArpOpcode(ARP_OPCODE_VAL_INARP_REQUEST); |
| public static final ArpOpcode ARP_OPCODE_INARP_REPLY = new ArpOpcode(ARP_OPCODE_VAL_INARP_REPLY); |
| public static final ArpOpcode ARP_OPCODE_ARP_NAK = new ArpOpcode(ARP_OPCODE_VAL_ARP_NAK); |
| public static final ArpOpcode ARP_OPCODE_MARS_REQUEST = new ArpOpcode(ARP_OPCODE_VAL_MARS_REQUEST); |
| public static final ArpOpcode ARP_OPCODE_MARS_MULTI = new ArpOpcode(ARP_OPCODE_VAL_MARS_MULTI); |
| public static final ArpOpcode ARP_OPCODE_MARS_MSERV = new ArpOpcode(ARP_OPCODE_VAL_MARS_MSERV); |
| public static final ArpOpcode ARP_OPCODE_MARS_JOIN = new ArpOpcode(ARP_OPCODE_VAL_MARS_JOIN); |
| public static final ArpOpcode ARP_OPCODE_MARS_LEAVE = new ArpOpcode(ARP_OPCODE_VAL_MARS_LEAVE); |
| public static final ArpOpcode ARP_OPCODE_MARS_NAK = new ArpOpcode(ARP_OPCODE_VAL_MARS_NAK); |
| public static final ArpOpcode ARP_OPCODE_MARS_UNSERV = new ArpOpcode(ARP_OPCODE_VAL_MARS_UNSERV); |
| public static final ArpOpcode ARP_OPCODE_MARS_SJOIN = new ArpOpcode(ARP_OPCODE_VAL_MARS_SJOIN); |
| public static final ArpOpcode ARP_OPCODE_MARS_SLEAVE = new ArpOpcode(ARP_OPCODE_VAL_MARS_SLEAVE); |
| public static final ArpOpcode ARP_OPCODE_MARS_GROUPLIST_REQUEST = new ArpOpcode(ARP_OPCODE_VAL_MARS_GROUPLIST_REQUEST); |
| public static final ArpOpcode ARP_OPCODE_MARS_GROUPLIST_REPLY = new ArpOpcode(ARP_OPCODE_VAL_MARS_GROUPLIST_REPLY); |
| public static final ArpOpcode ARP_OPCODE_MARS_REDIRECT_MAP = new ArpOpcode(ARP_OPCODE_VAL_MARS_REDIRECT_MAP); |
| public static final ArpOpcode ARP_OPCODE_MAPOS_UNARP = new ArpOpcode(ARP_OPCODE_VAL_MAPOS_UNARP); |
| public static final ArpOpcode ARP_OPCODE_OP_EXP1 = new ArpOpcode(ARP_OPCODE_VAL_OP_EXP1); |
| public static final ArpOpcode ARP_OPCODE_OP_EXP2 = new ArpOpcode(ARP_OPCODE_VAL_OP_EXP2); |
| |
| private static final int MIN_OPCODE = 0; |
| private static final int MAX_OPCODE = 0xFFFF; |
| |
| private static final int NONE_VAL = 0; |
| public static final ArpOpcode NONE = new ArpOpcode(NONE_VAL); |
| |
| public static final ArpOpcode NO_MASK = new ArpOpcode(0xFFFFFFFF); |
| public static final ArpOpcode FULL_MASK = new ArpOpcode(0x00000000); |
| |
| private final int opcode; |
| |
| private ArpOpcode(int opcode) { |
| this.opcode = opcode; |
| } |
| |
| @Override |
| public int getLength() { |
| return LENGTH; |
| } |
| |
| public int getOpcode() { |
| return this.opcode; |
| } |
| |
| public static ArpOpcode of(int opcode) { |
| if (opcode < MIN_OPCODE || opcode > MAX_OPCODE) |
| throw new IllegalArgumentException("Invalid ARP opcode: " + opcode); |
| switch (opcode) { |
| case NONE_VAL: |
| return NONE; |
| case ARP_OPCODE_VAL_REQUEST: |
| return ARP_OPCODE_REQUEST; |
| case ARP_OPCODE_VAL_REPLY: |
| return ARP_OPCODE_REPLY; |
| case ARP_OPCODE_VAL_REQUEST_REVERSE: |
| return ARP_OPCODE_REQUEST_REVERSE; |
| case ARP_OPCODE_VAL_REPLY_REVERSE: |
| return ARP_OPCODE_REPLY_REVERSE; |
| case ARP_OPCODE_VAL_DRARP_REQUEST: |
| return ARP_OPCODE_DRARP_REQUEST; |
| case ARP_OPCODE_VAL_DRARP_REPLY: |
| return ARP_OPCODE_DRARP_REPLY; |
| case ARP_OPCODE_VAL_DRARP_ERROR: |
| return ARP_OPCODE_DRARP_ERROR; |
| case ARP_OPCODE_VAL_INARP_REQUEST: |
| return ARP_OPCODE_INARP_REQUEST; |
| case ARP_OPCODE_VAL_INARP_REPLY: |
| return ARP_OPCODE_INARP_REPLY; |
| case ARP_OPCODE_VAL_ARP_NAK: |
| return ARP_OPCODE_ARP_NAK; |
| case ARP_OPCODE_VAL_MARS_REQUEST: |
| return ARP_OPCODE_MARS_REQUEST; |
| case ARP_OPCODE_VAL_MARS_MULTI: |
| return ARP_OPCODE_MARS_MULTI; |
| case ARP_OPCODE_VAL_MARS_MSERV: |
| return ARP_OPCODE_MARS_MSERV; |
| case ARP_OPCODE_VAL_MARS_JOIN: |
| return ARP_OPCODE_MARS_JOIN; |
| case ARP_OPCODE_VAL_MARS_LEAVE: |
| return ARP_OPCODE_MARS_LEAVE; |
| case ARP_OPCODE_VAL_MARS_NAK: |
| return ARP_OPCODE_MARS_NAK; |
| case ARP_OPCODE_VAL_MARS_UNSERV: |
| return ARP_OPCODE_MARS_UNSERV; |
| case ARP_OPCODE_VAL_MARS_SJOIN: |
| return ARP_OPCODE_MARS_SJOIN; |
| case ARP_OPCODE_VAL_MARS_SLEAVE: |
| return ARP_OPCODE_MARS_SLEAVE; |
| case ARP_OPCODE_VAL_MARS_GROUPLIST_REQUEST: |
| return ARP_OPCODE_MARS_GROUPLIST_REQUEST; |
| case ARP_OPCODE_VAL_MARS_GROUPLIST_REPLY: |
| return ARP_OPCODE_MARS_GROUPLIST_REPLY; |
| case ARP_OPCODE_VAL_MARS_REDIRECT_MAP: |
| return ARP_OPCODE_MARS_REDIRECT_MAP; |
| case ARP_OPCODE_VAL_MAPOS_UNARP: |
| return ARP_OPCODE_MAPOS_UNARP; |
| case ARP_OPCODE_VAL_OP_EXP1: |
| return ARP_OPCODE_OP_EXP1; |
| case ARP_OPCODE_VAL_OP_EXP2: |
| return ARP_OPCODE_OP_EXP2; |
| default: |
| return new ArpOpcode(opcode); |
| } |
| } |
| |
| public void write2Bytes(ChannelBuffer c) { |
| c.writeShort(this.opcode); |
| } |
| |
| public static ArpOpcode read2Bytes(ChannelBuffer c) { |
| return ArpOpcode.of(c.readUnsignedShort()); |
| } |
| |
| @Override |
| public ArpOpcode applyMask(ArpOpcode mask) { |
| return ArpOpcode.of(this.opcode & mask.opcode); |
| } |
| |
| public int getOpCode() { |
| return opcode; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + opcode; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| ArpOpcode other = (ArpOpcode) obj; |
| if (opcode != other.opcode) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public int compareTo(ArpOpcode o) { |
| return UnsignedInts.compare(opcode, o.opcode); |
| } |
| |
| } |