1 /*
2 * Copyright 2012 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the License. You may obtain a copy of the License at:
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package io.netty.channel.socket;
17
18 import io.netty.buffer.ByteBuf;
19 import io.netty.buffer.ByteBufHolder;
20 import io.netty.channel.DefaultAddressedEnvelope;
21
22 import java.net.InetSocketAddress;
23
24 /**
25 * The message container that is used for {@link DatagramChannel} to communicate with the remote peer.
26 */
27 public final class DatagramPacket
28 extends DefaultAddressedEnvelope<ByteBuf, InetSocketAddress> implements ByteBufHolder {
29
30 /**
31 * Create a new instance with the specified packet {@code data} and {@code recipient} address.
32 */
33 public DatagramPacket(ByteBuf data, InetSocketAddress recipient) {
34 super(data, recipient);
35 }
36
37 /**
38 * Create a new instance with the specified packet {@code data}, {@code recipient} address, and {@code sender}
39 * address.
40 */
41 public DatagramPacket(ByteBuf data, InetSocketAddress recipient, InetSocketAddress sender) {
42 super(data, recipient, sender);
43 }
44
45 @Override
46 public DatagramPacket copy() {
47 return new DatagramPacket(content().copy(), recipient(), sender());
48 }
49
50 @Override
51 public DatagramPacket duplicate() {
52 return new DatagramPacket(content().duplicate(), recipient(), sender());
53 }
54
55 @Override
56 public DatagramPacket retain() {
57 super.retain();
58 return this;
59 }
60
61 @Override
62 public DatagramPacket retain(int increment) {
63 super.retain(increment);
64 return this;
65 }
66 }