Protocol (J-IM-码云(gitee.com))

```
public interface Protocol
```

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`COOKIE_NAME_FOR_SESSION`
`static byte`	`FIRST_BYTE_MASK_4_BYTE_LENGTH` 是否是用4字节来表示消息体的长度
`static byte`	`FIRST_BYTE_MASK_COMPRESS` 压缩标识位mask，1为压缩，否则不压缩
`static byte`	`FIRST_BYTE_MASK_ENCRYPT` 加密标识位mask，1为加密，否则不加密
`static byte`	`FIRST_BYTE_MASK_HAS_SYNSEQ` 是否有同步序列号标识位mask，如果有同步序列号，则消息头会带有同步序列号，否则不带
`static byte`	`FIRST_BYTE_MASK_VERSION` 版本号mask
`static byte`	`HANDSHAKE_BYTE` 握手字节
`static byte`	`HEARTBEAT_BYTE` 心跳字节
`static String`	`HTTP`
`static int`	`LEAST_HEADER_LENGHT` 消息头最少为多少个字节
`static int`	`MAX_LENGTH_OF_BODY` 消息体最多为多少
`static String`	`TCP`
`static byte`	`VERSION` 协议版本号
`static String`	`WEBSOCKET`

- Field Detail
  - HEARTBEAT_BYTE
```
static final byte HEARTBEAT_BYTE
```
    心跳字节
    
    See Also:
    
    Constant Field Values
  - HANDSHAKE_BYTE
```
static final byte HANDSHAKE_BYTE
```
    握手字节
    
    See Also:
    
    Constant Field Values
  - VERSION
```
static final byte VERSION
```
    协议版本号
    
    See Also:
    
    Constant Field Values
  - WEBSOCKET
```
static final String WEBSOCKET
```
    See Also:
    
    Constant Field Values
  - HTTP
```
static final String HTTP
```
    See Also:
    
    Constant Field Values
  - TCP
```
static final String TCP
```
    See Also:
    
    Constant Field Values
  - COOKIE_NAME_FOR_SESSION
```
static final String COOKIE_NAME_FOR_SESSION
```
    See Also:
    
    Constant Field Values
  - MAX_LENGTH_OF_BODY
```
static final int MAX_LENGTH_OF_BODY
```
    消息体最多为多少
    
    See Also:
    
    Constant Field Values
  - LEAST_HEADER_LENGHT
```
static final int LEAST_HEADER_LENGHT
```
    消息头最少为多少个字节
    
    See Also:
    
    Constant Field Values
  - FIRST_BYTE_MASK_ENCRYPT
```
static final byte FIRST_BYTE_MASK_ENCRYPT
```
    加密标识位mask，1为加密，否则不加密
    
    See Also:
    
    Constant Field Values
  - FIRST_BYTE_MASK_COMPRESS
```
static final byte FIRST_BYTE_MASK_COMPRESS
```
    压缩标识位mask，1为压缩，否则不压缩
    
    See Also:
    
    Constant Field Values
  - FIRST_BYTE_MASK_HAS_SYNSEQ
```
static final byte FIRST_BYTE_MASK_HAS_SYNSEQ
```
    是否有同步序列号标识位mask，如果有同步序列号，则消息头会带有同步序列号，否则不带
    
    See Also:
    
    Constant Field Values
  - FIRST_BYTE_MASK_4_BYTE_LENGTH
```
static final byte FIRST_BYTE_MASK_4_BYTE_LENGTH
```
    是否是用4字节来表示消息体的长度
    
    See Also:
    
    Constant Field Values
  - FIRST_BYTE_MASK_VERSION
```
static final byte FIRST_BYTE_MASK_VERSION
```
    版本号mask
    
    See Also:
    
    Constant Field Values

Interface Protocol

Field Summary

Field Detail

HEARTBEAT_BYTE

HANDSHAKE_BYTE

VERSION

WEBSOCKET

HTTP

TCP

COOKIE_NAME_FOR_SESSION

MAX_LENGTH_OF_BODY

LEAST_HEADER_LENGHT

FIRST_BYTE_MASK_ENCRYPT

FIRST_BYTE_MASK_COMPRESS

FIRST_BYTE_MASK_HAS_SYNSEQ

FIRST_BYTE_MASK_4_BYTE_LENGTH

FIRST_BYTE_MASK_VERSION