/*
* Copyright 2014 NAVER Corp.
*
* 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 com.navercorp.pinpoint.thrift.io;
import java.net.DatagramPacket;
import java.util.Arrays;
/**
* @author emeroad
*/
public class PacketUtils {
public static byte[] sliceData(DatagramPacket packet, int startOffset) {
if (packet == null) {
throw new NullPointerException("packet must not be null");
}
int packetLength = packet.getLength();
int packetOffset = packet.getOffset();
byte[] source = packet.getData();
return Arrays.copyOfRange(source, packetOffset + startOffset, packetLength);
}
public static byte[] sliceData(byte[] packet, int startOffset, int length) {
if (packet == null) {
throw new NullPointerException("packet must not be null");
}
return Arrays.copyOfRange(packet, startOffset, length);
}
}