/*
* Copyright 2010 NCHOVY
*
* 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.krakenapps.dhcp.options;
public class MaxDhcpMessageSizeOption extends RawDhcpOption {
public MaxDhcpMessageSizeOption(byte type, int length, byte[] value) {
super(type, length, value);
}
public int getMaxSize() {
byte[] b = getValue();
short s = getShort(b, 0);
return (int) s & 0xFFFF;
}
@Override
public String toString() {
return "Maximum DHCP Message Size = " + getMaxSize();
}
private static short getShort(byte[] data, int offset) {
short s = (short) ((data[offset] << 8) & 0xFF00);
s |= data[offset + 1] & 0xFF;
return s;
}
}