public class MqttControlMessage extends Object
| 限定符和类型 | 字段和说明 |
|---|---|
static byte |
CONNACK
连接返回的标识
|
static byte |
CONNECT
连接标识
|
static byte |
DISCONNECT
客户端断开连接
|
static byte |
FAILED
操作失败的信息返回
|
static byte |
PINGREQ
心跳请求
|
static byte |
PINGRESP
心跳响应
|
static byte |
PUBACK
QoS 1消息发布收到确认
|
static byte |
PUBCOMP
QoS 2消息发布完成(保证交互第三步)
|
static byte |
PUBLISH
发布消息
|
static byte |
PUBREC
发布收到(保证交付第一步)
|
static byte |
PUBREL
发布释放(保证交付第二步)
|
static byte |
REPORTPROGRESS
报告进度
|
static byte |
SUBACK
订阅请求报文确认
|
static byte |
SUBSCRIBE
客户端订阅请求
|
static byte |
UNSUBACK
取消订阅报文确认
|
static byte |
UNSUBSCRIBE
客户端取消订阅请求
|
| 构造器和说明 |
|---|
MqttControlMessage() |
public static final byte FAILED
public static final byte CONNECT
public static final byte CONNACK
public static final byte PUBLISH
public static final byte PUBACK
public static final byte PUBREC
public static final byte PUBREL
public static final byte PUBCOMP
public static final byte SUBSCRIBE
public static final byte SUBACK
public static final byte UNSUBSCRIBE
public static final byte UNSUBACK
public static final byte PINGREQ
public static final byte PINGRESP
public static final byte DISCONNECT
public static final byte REPORTPROGRESS
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