netty5/codec-redis/src/main/java/io/netty/handler/codec/redis/RedisConstants.java
Jongyeol Choi 96455a9558 Implement codec-redis
Motivation:

- To encode/decode RESP (REdis Serialization Protocol) using Netty
- http://redis.io/topics/protocol

Modifications:

- Add RedisEncoder, RedisDecoder
- Add RedisBulkStringAggregator and RedisArrayAggregator
- Add tests

Result:

- Added codec-redis
- codec-redis can encode/decode RESP (REdis Serialization Protocol)
2016-04-14 10:23:16 +02:00

44 lines
1.3 KiB
Java

/*
* Copyright 2016 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License, version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package io.netty.handler.codec.redis;
/**
* Constant values for Redis encoder/decoder.
*/
final class RedisConstants {
private RedisConstants() {
}
static final int TYPE_LENGTH = 1;
static final int EOL_LENGTH = 2;
static final int NULL_LENGTH = 2;
static final int NULL_VALUE = -1;
static final int REDIS_MESSAGE_MAX_LENGTH = 512 * 1024 * 1024; // 512MB
static final int POSITIVE_LONG_MAX_LENGTH = 19; // length of Long.MAX_VALUE
static final int LONG_MAX_LENGTH = POSITIVE_LONG_MAX_LENGTH + 1; // +1 is sign
static final short NULL_SHORT = RedisCodecUtil.makeShort('-', '1');
static final short EOL_SHORT = RedisCodecUtil.makeShort('\r', '\n');
}