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1   /*
2    * Copyright 2014 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    *   https://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.epoll;
17  
18  import io.netty.channel.ChannelOption;
19  import io.netty.channel.unix.UnixChannelOption;
20  import java.net.InetAddress;
21  import java.util.Map;
22  
23  public final class EpollChannelOption<T> extends UnixChannelOption<T> {
24  
25      public static final ChannelOption<Boolean> TCP_CORK = valueOf(EpollChannelOption.class, "TCP_CORK");
26      public static final ChannelOption<Long> TCP_NOTSENT_LOWAT = valueOf(EpollChannelOption.class, "TCP_NOTSENT_LOWAT");
27      public static final ChannelOption<Integer> TCP_KEEPIDLE = valueOf(EpollChannelOption.class, "TCP_KEEPIDLE");
28      public static final ChannelOption<Integer> TCP_KEEPINTVL = valueOf(EpollChannelOption.class, "TCP_KEEPINTVL");
29      public static final ChannelOption<Integer> TCP_KEEPCNT = valueOf(EpollChannelOption.class, "TCP_KEEPCNT");
30      public static final ChannelOption<Integer> TCP_USER_TIMEOUT =
31              valueOf(EpollChannelOption.class, "TCP_USER_TIMEOUT");
32      public static final ChannelOption<Boolean> IP_FREEBIND = valueOf("IP_FREEBIND");
33      public static final ChannelOption<Boolean> IP_BIND_ADDRESS_NO_PORT = valueOf("IP_BIND_ADDRESS_NO_PORT");
34      public static final ChannelOption<Boolean> IP_TRANSPARENT = valueOf("IP_TRANSPARENT");
35      public static final ChannelOption<Boolean> IP_RECVORIGDSTADDR = valueOf("IP_RECVORIGDSTADDR");
36      /**
37       * @deprecated Use {@link ChannelOption#TCP_FASTOPEN} instead.
38       */
39      @Deprecated
40      public static final ChannelOption<Integer> TCP_FASTOPEN = ChannelOption.TCP_FASTOPEN;
41  
42      /**
43       * @deprecated Use {@link ChannelOption#TCP_FASTOPEN_CONNECT} instead.
44       */
45      @Deprecated
46      public static final ChannelOption<Boolean> TCP_FASTOPEN_CONNECT = ChannelOption.TCP_FASTOPEN_CONNECT;
47      public static final ChannelOption<Integer> TCP_DEFER_ACCEPT =
48              ChannelOption.valueOf(EpollChannelOption.class, "TCP_DEFER_ACCEPT");
49      public static final ChannelOption<Boolean> TCP_QUICKACK = valueOf(EpollChannelOption.class, "TCP_QUICKACK");
50      public static final ChannelOption<Integer> SO_BUSY_POLL = valueOf(EpollChannelOption.class, "SO_BUSY_POLL");
51  
52      /**
53       * @deprecated Netty always uses level-triggered mode and so this method is just a no-op.
54       */
55      @Deprecated
56      public static final ChannelOption<EpollMode> EPOLL_MODE =
57              ChannelOption.valueOf(EpollChannelOption.class, "EPOLL_MODE");
58  
59      public static final ChannelOption<Map<InetAddress, byte[]>> TCP_MD5SIG = valueOf("TCP_MD5SIG");
60  
61      public static final ChannelOption<Integer> MAX_DATAGRAM_PAYLOAD_SIZE = valueOf("MAX_DATAGRAM_PAYLOAD_SIZE");
62      public static final ChannelOption<Boolean> UDP_GRO = valueOf("UDP_GRO");
63  
64      @SuppressWarnings({ "unused", "deprecation" })
65      private EpollChannelOption() {
66      }
67  }