DHCPPacketType.java

/*
 * Copyright (c) 2011,2013 Big Switch Networks, Inc.
 *
 * Licensed under the Eclipse Public License, Version 1.0 (the
 * "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at
 *
 *      http://www.eclipse.org/legal/epl-v10.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *    Originally created by David Erickson, Stanford University 
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the
 *    License. You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing,
 *    software distributed under the License is distributed on an "AS
 *    IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 *    express or implied. See the License for the specific language
 *    governing permissions and limitations under the License. 
 */

package org.sdnplatform.packet;

public enum DHCPPacketType {
    // From RFC 1533
    DHCPDISCOVER        (1),
    DHCPOFFER           (2),
    DHCPREQUEST         (3),
    DHCPDECLINE         (4),
    DHCPACK             (5),
    DHCPNAK             (6),
    DHCPRELEASE         (7),
    
    // From RFC2132
    DHCPINFORM          (8),
    
    // From RFC3203
    DHCPFORCERENEW      (9),
    
    // From RFC4388
    DHCPLEASEQUERY      (10),
    DHCPLEASEUNASSIGNED (11),
    DHCPLEASEUNKNOWN    (12),
    DHCPLEASEACTIVE     (13);
    
    protected int value;
    
    private DHCPPacketType(int value) {
        this.value = value;
    }
    
    public int getValue() {
        return value;
    }
    
    public String toString(){
        switch (value) {
            case 1:
                return "DHCPDISCOVER";
            case 2:
                return "DHCPOFFER";
            case 3:
                return "DHCPREQUEST";
            case 4:
                return "DHCPDECLINE";
            case 5:
                return "DHCPACK";
            case 6:
                return "DHCPNAK";
            case 7:
                return "DHCPRELEASE";
            case 8:
                return "DHCPINFORM";
            case 9:
                return "DHCPFORCERENEW";
            case 10:
                return "DHCPLEASEQUERY";
            case 11:
                return "DHCPLEASEUNASSIGNED";
            case 12:
                return "DHCPLEASEUNKNOWN";
            case 13:
                return "DHCPLEASEACTIVE";
            default:
                return "UNKNOWN";
        }
    }
    public static DHCPPacketType getType(int value) {
        switch (value) {
            case 1:
                return DHCPDISCOVER;
            case 2:
                return DHCPOFFER;
            case 3:
                return DHCPREQUEST;
            case 4:
                return DHCPDECLINE;
            case 5:
                return DHCPACK;
            case 6:
                return DHCPNAK;
            case 7:
                return DHCPRELEASE;
            case 8:
                return DHCPINFORM;
            case 9:
                return DHCPFORCERENEW;
            case 10:
                return DHCPLEASEQUERY;
            case 11:
                return DHCPLEASEUNASSIGNED;
            case 12:
                return DHCPLEASEUNKNOWN;
            case 13:
                return DHCPLEASEACTIVE;
        }
        
        return null;
    }
}