1 /*
2 * This file is part of Waarp Project (named also Waarp or GG).
3 *
4 * Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
5 * tags. See the COPYRIGHT.txt in the distribution for a full listing of
6 * individual contributors.
7 *
8 * All Waarp Project is free software: you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or (at your
11 * option) any later version.
12 *
13 * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
14 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * Waarp . If not, see <http://www.gnu.org/licenses/>.
19 */
20 package org.waarp.openr66.protocol.localhandler.packet;
21
22 import io.netty.buffer.ByteBuf;
23 import io.netty.buffer.ByteBufAllocator;
24 import io.netty.buffer.Unpooled;
25 import org.waarp.openr66.protocol.exception.OpenR66ProtocolPacketException;
26 import org.waarp.openr66.protocol.localhandler.LocalChannelReference;
27
28 /**
29 * No Op class
30 * <p>
31 * header = empty middle = empty end = empty
32 */
33 public class NoOpPacket extends AbstractLocalPacket {
34
35 /**
36 * @param headerLength
37 * @param middleLength
38 * @param endLength
39 * @param buf
40 *
41 * @return the new EndTransferPacket from buffer
42 *
43 * @throws OpenR66ProtocolPacketException
44 */
45 public static NoOpPacket createFromBuffer(final int headerLength,
46 final int middleLength,
47 final int endLength,
48 final ByteBuf buf) {
49 return new NoOpPacket();
50 }
51
52 @Override
53 public final boolean hasGlobalBuffer() {
54 return true;
55 }
56
57 @Override
58 public final synchronized void createAllBuffers(
59 final LocalChannelReference lcr, final int networkHeader) {
60 final int globalSize = networkHeader + LOCAL_HEADER_SIZE;
61 global = ByteBufAllocator.DEFAULT.ioBuffer(globalSize, globalSize);
62 end = Unpooled.EMPTY_BUFFER;
63 header = Unpooled.EMPTY_BUFFER;
64 middle = Unpooled.EMPTY_BUFFER;
65 }
66
67 @Override
68 public final byte getType() {
69 return LocalPacketFactory.NOOPPACKET;
70 }
71
72 @Override
73 public final String toString() {
74 return "NoOpPacket";
75 }
76
77 }