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85 lines
3.3 KiB
85 lines
3.3 KiB
2 years ago
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# 从事件总线中订阅消息
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```java
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//订阅所有设备上线消息
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@Subscribe("/device/*/*/online")
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public Mono<Void> handleDeviceOnline(DeviceOnlineMessage message){
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//处理消息
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return doSomeThing();
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}
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```
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## 设备消息
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### topic
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所有设备消息的`topic`的前缀均为: `/device/{productId}/{deviceId}`.
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如:设备`device-1`上线消息: `/device/product-1/device-1/online`.
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可通过通配符订阅所有设备的指定消息,如:`/device/*/*/online`,
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或者订阅所有消息:`/device/**`.
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::: tip
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使用通配符订阅可能将收到大量的消息,请保证消息的处理速度,否则会影响系统消息吞吐量.
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:::
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### 设备Topic列表
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::: warning
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列表中的topic已省略前缀`/device/{productId}/{deviceId}`,使用时请加上.
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:::
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| topic | 类型 | 说明 |
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| -------------------------------------------------- | -------------------------- | ----------------------------------------- |
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| /online | DeviceOnlineMessage | 设备上线 |
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| /offline | DeviceOfflineMessage | 设备离线 |
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| /message/event/{eventId} | DeviceEventMessage | 设备事件 |
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| /message/property/report | ReportPropertyMessage | 设备上报属性 |
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| /message/property/read/reply | ReadPropertyMessageReply | 读取属性回复 |
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| /message/property/write/reply | WritePropertyMessageReply | 修改属性回复 |
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| /message/function/reply | FunctionInvokeMessageReply | 调用功能回复 |
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| /register | DeviceRegisterMessage | 设备注册,通常与子设备消息配合使用 |
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| /unregister | DeviceUnRegisterMessage | 设备注销,同上 |
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| /message/children/{childrenDeviceId}/{topic} | ChildDeviceMessage | 子设备消息,{topic}为子设备消息对应的topic |
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| /message/children/reply/{childrenDeviceId}/{topic} | ChildDeviceMessage | 子设备回复消息,同上 |
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## 设备告警
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在配置了设备告警规则,设备发生告警时,会发送消息到消息网关.
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```js
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`/rule-engine/device/alarm/{productId}/{deviceId}/{ruleId}`
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{
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"productId":"",
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"alarmId":"",
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"alarmName":"",
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"deviceId":"",
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"deviceName":"",
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"...":"其他从规则中获取到到信息"
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}
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```
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## 日志
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### 系统日志
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topic格式: `/logging/system/{logger名称,.替换为/}/{level}`.
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```js
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`/logging/system/org/jetlinks/pro/TestService/{level}`
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{
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"name":"org.jetlinks.pro.TestService", //logger名称
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"threadName":"线程名称",
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"level":"日志级别",
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"className":"产生日志的类名",
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"methodName":"产生日志的方法名",
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"lineNumber"：32,//行号
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"message":"日志内容",
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"exceptionStack":"异常栈信息",
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"createTime":"日志时间",
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"context":{} //上下文信息
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}
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```
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