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 * 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
17 package io.netty.handler.codec.haproxy;
18
19 final class HAProxyConstants {
20
21 /**
22 * Command byte constants
23 */
24 static final byte COMMAND_LOCAL_BYTE = 0x00;
25 static final byte COMMAND_PROXY_BYTE = 0x01;
26
27 /**
28 * Version byte constants
29 */
30 static final byte VERSION_ONE_BYTE = 0x10;
31 static final byte VERSION_TWO_BYTE = 0x20;
32
33 /**
34 * Transport protocol byte constants
35 */
36 static final byte TRANSPORT_UNSPEC_BYTE = 0x00;
37 static final byte TRANSPORT_STREAM_BYTE = 0x01;
38 static final byte TRANSPORT_DGRAM_BYTE = 0x02;
39
40 /**
41 * Address family byte constants
42 */
43 static final byte AF_UNSPEC_BYTE = 0x00;
44 static final byte AF_IPV4_BYTE = 0x10;
45 static final byte AF_IPV6_BYTE = 0x20;
46 static final byte AF_UNIX_BYTE = 0x30;
47
48 /**
49 * Transport protocol and address family byte constants
50 */
51 static final byte TPAF_UNKNOWN_BYTE = 0x00;
52 static final byte TPAF_TCP4_BYTE = 0x11;
53 static final byte TPAF_TCP6_BYTE = 0x21;
54 static final byte TPAF_UDP4_BYTE = 0x12;
55 static final byte TPAF_UDP6_BYTE = 0x22;
56 static final byte TPAF_UNIX_STREAM_BYTE = 0x31;
57 static final byte TPAF_UNIX_DGRAM_BYTE = 0x32;
58
59 private HAProxyConstants() { }
60 }