1 /*
2 * Copyright 2016 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License, version 2.0 (the
5 * "License"); you may not use this file except in compliance with the License. You may obtain a
6 * 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 distributed under the License
11 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
12 * or implied. See the License for the specific language governing permissions and limitations under
13 * the License.
14 */
15
16 package io.netty.handler.codec.redis;
17
18 /**
19 * Constant values for Redis encoder/decoder.
20 */
21 final class RedisConstants {
22
23 private RedisConstants() {
24 }
25
26 static final int TYPE_LENGTH = 1;
27
28 static final int EOL_LENGTH = 2;
29
30 static final int NULL_LENGTH = 2;
31
32 static final int NULL_VALUE = -1;
33
34 static final int REDIS_MESSAGE_MAX_LENGTH = 512 * 1024 * 1024; // 512MB
35
36 // 64KB is max inline length of current Redis server implementation.
37 static final int REDIS_INLINE_MESSAGE_MAX_LENGTH = 64 * 1024;
38
39 static final int POSITIVE_LONG_MAX_LENGTH = 19; // length of Long.MAX_VALUE
40
41 static final int LONG_MAX_LENGTH = POSITIVE_LONG_MAX_LENGTH + 1; // +1 is sign
42
43 static final short NULL_SHORT = RedisCodecUtil.makeShort('-', '1');
44
45 static final short EOL_SHORT = RedisCodecUtil.makeShort('\r', '\n');
46 }