JetLinks 官方协议
JetLinks 官方协议
除了使用自定义协议以外,jetlinks提供了默认的协议支持. 设备可以使用此协议接入平台. 设备协议已经确定并且无法修改协议的时候,建议使用自定义协议接入
官方协议topic主题说明
| 名词 | 解释 |
|---|---|
| 上行topic | 设备端向平台发送 |
| 下行topic | 平台向设备端发送 |
Topic列表
下行Topic
```plain text 读取设备属性: /{productId}/{deviceId}/properties/read 修改设备属性: /{productId}/{deviceId}/properties/write 调用设备功能: /{productId}/{deviceId}/function/invoke
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### 网关设备
```plain text
读取子设备属性: /{productId}/{deviceId}/child/{childDeviceId}/properties/read
修改子设备属性: /{productId}/{deviceId}/child/{childDeviceId}/properties/write
调用子设备功能: /{productId}/{deviceId}/child/{childDeviceId}/function/invoke
上行Topic
```plain text 读取属性回复: /{productId}/{deviceId}/properties/read/reply 修改属性回复: /{productId}/{deviceId}/properties/write/reply 调用设备功能: /{productId}/{deviceId}/function/invoke/reply 上报设备事件: /{productId}/{deviceId}/event/{eventId} 上报设备属性: /{productId}/{deviceId}/properties/report 上报设备派生物模型: /{productId}/{deviceId}/metadata/derived
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### 网关设备
```plain text
子设备上线消息: /{productId}/{deviceId}/child/{childDeviceId}/connected
子设备下线消息: /{productId}/{deviceId}/child/{childDeviceId}/disconnect
读取子设备属性回复: /{productId}/{deviceId}/child/{childDeviceId}/properties/read/reply
修改子设备属性回复: /{productId}/{deviceId}/child/{childDeviceId}/properties/write/reply
调用子设备功能回复: /{productId}/{deviceId}/child/{childDeviceId}/function/invoke/reply
上报子设备事件: /{productId}/{deviceId}/child/{childDeviceId}/event/{eventId}
上报子设备派生物模型: /{productId}/{deviceId}/child/{childDeviceId}/metadata/derived
MQTT接入
目前支持MQTT3.1.1和3.1版本协议.
认证
CONNECT报文:
```plain text clientId: 设备实例ID username: secureId+”|”+timestamp password: md5(secureId+”|”+timestamp+”|”+secureKey)
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[在线生成工具](http://doc.jetlinks.cn/basics-guide/mqtt-auth-generator.html)
说明: secureId以及secureKey在创建设备产品和设备实例时进行配置. timestamp为当前系统时间戳(毫秒),与系统时间不能相差5分钟.
### 读取设备属性
topic: /{productId}/{deviceId}/properties/read
方向: 下行
消息格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"messageId":"消息ID",
"deviceId":"设备ID",
"properties":["sn","model"] //要读取到属性列表
}
回复Topic: /{productId}/{deviceId}/properties/read/reply
回复消息格式:
```plain text //成功 { “timestamp”:1601196762389, //毫秒时间戳 “messageId”:”与下行消息中的messageId相同”, “properties”:{“sn”:”test”,”model”:”test”}, //key与设备模型中定义的属性id一致 “deviceId”:”设备ID”, “success”:true } //失败. 下同 { “timestamp”:1601196762389, //毫秒时间戳 “messageId”:”与下行消息中的messageId相同”, “success”:false, “code”:”error_code”, “message”:”失败原因” }
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### 修改设备属性
topic: /{productId}/{deviceId}/properties/write
方向: 下行
消息格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"messageId":"消息ID",
"deviceId":"设备ID",
"properties":{"color":"red"} //要设置的属性
}
回复Topic: /{productId}/{deviceId}/properties/write/reply
方向: 上行
回复消息格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “messageId”:”与下行消息中的messageId相同”, “properties”:{“color”:”red”}, //设置成功后的属性,可不返回 “success”:true }
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### 设备属性上报
topic: /{productId}/{deviceId}/properties/report
方向: 上行
消息格式:
```plain text
{
"deviceId":"设备id",
"properties":{"temp":36.8} //上报数据
}
调用设备功能
topic: /{productId}/{deviceId}/function/invoke
方向: 下行
消息格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “messageId”:”消息ID”, “deviceId”:”设备ID”, “function”:”playVoice”,//功能ID “inputs”:[{“name”:”text”,”value”:”播放声音”}] //参数 }
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回复Topic: /{productId}/{deviceId}/function/invoke/reply
方向: 上行
消息格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"messageId":"与下行消息中的messageId相同",
"output":"success", //返回执行结果,具体类型与物模型中功能输出类型一致
"success":true,
}
设备事件上报
topic: /{productId}/{deviceId}/event/{eventId}
方向: 上行
消息格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “messageId”:”随机消息ID”, “data”:100 //上报数据,类型与物模型事件中定义的类型一致 }
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### 子设备注册
与子设备消息配合使用,实现设备与网关设备进行自动绑定.
topic: /{productId}/{deviceId}/child/{childDeviceId}/register
方向: 上行
消息格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"messageId":"随机消息ID",
"deviceId":"子设备ID",
"headers":{
"productId":"子设备在平台的产品ID",
"deviceName":"子设备名称",
"configuration":{
"selfManageState":true //子设备自己管理状态(默认false).为true时,平台将发送DeviceCheckMessage到网关来检查子设备状态
}
}
}
子设备注销
与子设备消息配合使用,实现设备与网关设备进行自动解绑.
topic: /{productId}/{deviceId}/child/{childDeviceId}/unregister
方向: 上行
消息格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “messageId”:”随机消息ID”, “deviceId”:”子设备ID” }
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### 子设备上线
与子设备消息配合使用,实现关联到网关的子设备上线.(默认情况下,网关上线,子设备也会全部自动上线.)
topic: /{productId}/{deviceId}/child/{childDeviceId}/online
方向: 上行
消息格式:
```plain text
{
"deviceId":"子设备ID", //毫秒时间戳
"messageId":"随机消息ID",
"timestamp":1584331469964//时间戳
}
子设备离线
与子设备消息配合使用,实现关联到网关的子设备离线.(默认情况下,网关离线,子设备也会全部自动离线.)
topic: /{productId}/{deviceId}/child/{childDeviceId}/offline
方向: 上行
消息格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “messageId”:”随机消息ID” }
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### 断开子设备连接
平台主动断开设备连接时，会发送此指令到网关
topic: /{productId}/{deviceId}/child/{childDeviceId}/disconnect
方向: 下行
消息格式:
```plain text
{
"deviceId":"子设备ID", //子设备ID
"messageId":"随机消息ID",
"timestamp":1584331469964//时间戳
}
断开子设备连接回复
平台主动断开设备连接时，会发送此指令到网关
topic: /{productId}/{deviceId}/child-reply/{childDeviceId}/disconnect/reply
方向: 上行
消息格式:
```plain text { “deviceId”:”子设备ID”, //子设备ID “messageId”:”断开连接指令的ID”, “timestamp”:1584331469964//时间戳 }
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### 子设备状态检查
在查看子设备详情或者检查设备状态时，将会收到此消息
topic: /{productId}/{deviceId}/child/{childDeviceId}/state-check
方向: 下行
消息格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"deviceId":"子设备ID", //子设备ID
"messageId":"随机消息ID",
}
子设备状态检查回复
在查看子设备详情或者检查设备状态时，将会收到此消息
topic: /{productId}/{deviceId}/child-reply/{childDeviceId}/state-check/reply
方向: 上行
消息格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “deviceId”:”子设备ID”, //子设备ID “messageId”:”状态检查指令的消息ID”, “state”:1 // 1在线，-1离线 }
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### 子设备消息
topic: /{productId}/{deviceId}/child/{childDeviceId}/{topic}
方向: 上行或下行, 根据{topic}决定.
TIP
{topic} 以及数据格式与设备topic定义一致. 如: 获取子设备属性: /1/d1/child/c1/properties/read,
### 子设备指令回复消息
topic: /{productId}/{deviceId}/child-reply/{childDeviceId}/{topic}
方向: 上行, 根据{topic}决定.
TIP
{topic} 以及数据格式与设备topic定义一致. 如: 获取子设备属性回复: /1/d1/child-reply/c1/properties/read/reply,
### 更新标签消息
topic: /{productId}/{deviceId}/tags
方向上行,更新平台中的设备标签数据
消息格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"tags":{
"key":"value",
"key2":"value2"
}
}
更新固件消息
topic: /{productId}/{deviceId}/firmware/upgrade
方向下行,更新设备固件.
详细格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “url”:”固件文件下载地址”, “version”:”版本号”, “parameters”:{},//其他参数 “sign”:”文件签名值”, “signMethod”:”签名方式”, “firmwareId”:”固件ID”, “size”:100000//文件大小,字节 }
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### 上报更新固件进度
topic: /{productId}/{deviceId}/firmware/upgrade/progress
方向上行,上报更新固件进度.
详细格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"progress":50,//进度,0-100
"complete":false, //是否完成更新
"version":"升级的版本号",
"success":true,//是否更新成功,complete为true时有效
"errorReason":"失败原因",
"firmwareId":"固件ID"
}
拉取固件更新
topic: /{productId}/{deviceId}/firmware/pull
方向上行,拉取平台的最新固件信息.
详细格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “messageId”:”消息ID”,//回复的时候会回复相同的ID “currentVersion”:””,//当前版本,可以为null “requestVersion”:””, //请求更新版本,为null或者空字符则为最新版本 }
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### 拉取固件更新回复
topic: /{productId}/{deviceId}/firmware/pull/reply
方向下行,平台回复拉取的固件信息.
详细格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"messageId":"请求的ID",
"url":"固件文件下载地址",
"version":"版本号",
"parameters":{},//其他参数
"sign":"文件签名值",
"signMethod":"签名方式",
"firmwareId":"固件ID",
"size":100000//文件大小,字节
}
上报固件版本
topic: /{productId}/{deviceId}/firmware/report
方向下行,设备向平台上报固件版本.
详细格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “version”:”版本号” }
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### 获取固件版本
topic: /{productId}/{deviceId}/firmware/read
方向下行,平台读取设备固件版本
详细格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"messageId":"消息ID"
}
获取固件版本回复
topic: /{productId}/{deviceId}/firmware/read
方向上行,设备回复平台读取设备固件版本指令
详细格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “messageId”:”读取指令中的消息ID”, “version”:””//版本号 }
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### 派生物模型上报
topic: /{productId}/{deviceId}/metadata/derived
方向上行,设备上报新的物模型信息
详细格式:
```plain text
{
"timestamp":1601196762389, //毫秒时间戳
"metadata":"物模型json字符",
"all":false//是否全量更新
}
设备日志上报
topic: /{productId}/{deviceId}/log
方向上行,设备上报新的物模型信息
详细格式:
```plain text { “timestamp”:1601196762389, //毫秒时间戳 “log”:”日志内容” }
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[查看物模型格式 (opens new window)](http://doc.jetlinks.cn/advancement-guide/jetlinks-protocol.html)
### 透传消息
topic: /{productId}/{deviceId}/direct
方向上行,透传设备消息,将报文传入mqtt payload中
### 时间同步
topic: /{productId}/{deviceId}/time-sync
方向上行,用于同步服务器的时间.格式:
```plain text
{
"messageId":"消息ID"
}
平台回复:
topic: /{productId}/{deviceId}/time-sync/reply
方向下行,同步服务器的时间回复.格式:
```plain text { “messageId”:”消息ID”, “timestamp”:1601196762389 //UTC毫秒时间戳 }
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## CoAP接入
使用CoAP协议接入仅需要对数据进行加密即可.加密算法: AES/ECB/PKCS5Padding.
将请求体进行加密,密钥为在创建设备产品和设备实例时进行配置的(secureKey).
请求地址(URI)与MQTT Topic相同.消息体(payload)与MQTT相同(只支持上行消息).
## DTLS接入
使用CoAP DTLS 协议接入时需要先进行认证:
发送认证请求:
```plain text
POST /{productId}/{deviceId}/request-token
Accept: application/json
Content-Format: application/json
2110: 签名 md5(payload+secureKey)
payload: {"timestamp":"时间戳"}
响应结果:
```plain text 2.05 (Content) payload: {“token”:”令牌”}
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之后的请求中需要将返回的令牌携带到自定义Option:2111
例如:
```plain text
POST /{productId}/{deviceId}/{topic}
2111: 令牌
...其他Option
payload: json数据
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