JetLinks 使用MQTT服务网关接入设备

发表于 2023/05/29

作者 deathwhispers

12 分钟阅读

使用MQTT服务网关接入设备

本文档以MQTTX为例，介绍使用第三方软件以MQTT协议接入物联网平台。

# 创建协议

自定义消息协议创建，请参考消息协议定义。

例

i. 选择设备接入–>协议管理–> 点击新建按钮

ii.输入协议ID

iii. 输入型号名称

iv. 选择型号类型为 jar

v. 输入类名org.jetlinks.protocol.official.JetLinksProtocolSupportProvider

vi. 上传jar包jetlinks-official-protocol-2.0-SNAPSHOT.jar，请检出jetlinks-official-protocol (opens new window)自行打包。

vii. 点击确认，完成协议新增。

# 创建完成信息展示

viii. 在操作列表中将协议发布。

# 创建产品

例

i.下载型号文件配置JSON

ii. 选择设备管理–>产品–> 点击导入配置按钮

iii. 选择配置JSON文件

注意：

上传文件需要将standalone/src/main/resources/application.yml中的static-location修改为http://后台服务ip:8848/upload，参考协议上传问题

iv.产品导入完成后，产品状态为未发布,效果如下图

v.点击刚导入产品中的…按钮会出现发布按钮，点击发布按钮完成产品发布，导航栏中发布状态变为已发布代表发布成功。

# 创建成功的产品信息展示

i. 点击产品中

编辑

链接查看和编辑产品的基本信息

ii. 点击产品中

查看

→

物模型

,对产品设备定义

iii. 点击属性定义信、事件定义对应操作下的编辑按钮查看更详细的型号息

属性定义参数：

功能定义参数：

事件定义参数：

# 创建设备

自定义创建设备，请参考添加设备。

例

i. 下载设备Excel文件设备Excel

ii. 选择设备管理–>设备–> 其他批量操作–>批量导入设备

iii. 选择需要导入的产品,点击文件上传

iv. 设备导入完成效果如下图

v. 点击上图中启用链接完成设备激活，状态栏中发布状态变为离线代表设备激活成功。

# 创建成功的设备信息展示

i. 点击查看链接可以看到设备基本信息（实例信息）

ii. 设备运行状态信息（运行状态）

iii.设备功能信息（设备功能）

iv. 设备日志（日志管理）

v.告警设置

vi.可视化

vii.设备影子

# 创建网关配置

参照启动设备网关服务

例

i.创建MQTT服务网络组件以及MQTT服务组件配置

注意：

此处使用的端口为1889，docker启动时没有默认开启，使用docker启动jetlinks时请映射1889端口或者使用1883端口。

ii.启动MQTT服务组件（灰色为未启动，蓝色为启动）

iii.创建MQTT服务设备网关以及MQTT服务设备网关配置

警告

大部分情况，请勿勾选认证协议,认证协议的作用是: 使用指定的协议来进行统一的认证。不勾选时，则使用产品里选择的协议来进行认证，这2种认证方式在协议包内的实现方式是不同的。大部分情况下不需要选择。

iv.启动MQTT服务设备网关，点击

启动

，

状态

变为

已启动

注意：

大部分情况无需选择认证协议.

# 使用MQTTX接入

1.下载并安装MQTTX软件。请访问MQTTX官网 (opens new window)。

2.打开MQTTX软件，点击New Connection创建一个连接。

3.设置连接参数。

注意

设置参数时，请确保参数值中或参数值的前后均没有空格。

i. 设置基本信息

参数	说明
Name	输入您的自定义名称。
Client ID	设备Id。本文档中为演示设备test001
Host	连接域名。本地连接可直接填写 127.0.0.1,如为远程连接，请填写远程连接地址
Port	设置为1889
Username	接入账号
Password	接入密码

提示

username和password

自动生成器 (opens new window)

4.设置完成后，单击右下角的OK。

# 设备消息

设备连接上平台，并进行一些基本的事件收发、属性读取操作。

# 设备上下线

单击 MqttX 中Connect进行连接

平台中设备状态变为上线即为连接成功

点击该设备的查看→日志管理，在设备日志模块可以看到设备上线日志

单击 MqttX 中Disconnect断开连接

平台中设备状态变为离线即为断开连接成功

点击该设备的查看→日志管理，在设备日志模块可以看到设备离线日志

# 读取设备属性

注意

第2步中回复平台属性值需要在第1步平台发送订阅以后的十秒钟内完成，否则平台会视为该次操作超时，导致读取属性值失败。

1.平台告知设备（MQTTX）需要设备返回设备属性

单击设备页面中test001设备对应的查看链接

选择弹出框中运行状态板块

单击属性刷新

MQTTX会收到平台下发的订阅

注意:

复制好订阅该topic收到的消息中的messageId。此messageId将作为回复与平台设备属性的凭据之一

2.设备（MQTTX）回复平台设备属性值

在MQTTX上发送消息，发送平台所需要的设备属性值。

i 输入一个回复平台属性值消息Topic(这里的为/{productId}/{deviceId}/properties/read/reply)和要发送的消息内容，单击Publish，向平台推送该消息。

参数	说明
messageId	平台所下发的messageId值
deviceId	设备Id
timestamp	当前时间戳
success	成功标识
properties	设备属性值对象。例如： { “temperature”:“50”}

该文档所使用的回复内容

```plain text { “timestamp”:1601196762389, “messageId”:”第一次平台订阅设备,MQTTX所收到的messageId值”, “properties”:{“temperature”:”50”}, “deviceId”:”test001”, “success”:true }

iii. 平台收到MqttX推送的属性值

![](/assets/img/mqttfx-replyed-property-value.831c167c.png)

iv. 读取设备属性回复的日志

![](/assets/img/read-device-property-reply-log.2b6867c1.png)

### [#](http://doc.jetlinks.cn/advancement-guide/mqtt-connection.html#%E8%8E%B7%E5%8F%96%E8%AE%BE%E5%A4%87%E5%B1%9E%E6%80%A7%E5%80%BC%E5%AE%8C%E6%95%B4%E6%BC%94%E7%A4%BA) 获取设备属性值完整演示

注意：在下图中，从在界面上刷新属性开始直到动图结束的所有操作，需要在十秒钟内完成。否则平台会视为该次操作超时，导致读取属性值失败。

![](/assets/img/read-device-property.f7cac8f9.gif)

### [#](http://doc.jetlinks.cn/advancement-guide/mqtt-connection.html#%E8%AE%BE%E5%A4%87%E4%BA%8B%E4%BB%B6%E4%B8%8A%E6%8A%A5) 设备事件上报

MQTTX 推送设备事件消息到平台

以火灾报警事件为例。

1.在MQTTX上，订阅topic/{productId}/{deviceId}/event/{eventId}。

2.输入事件上报Topic和要发送的事件内容，单击Publish按钮，向平台推送该事件消息。

![](/assets/img/mqttfx-device-event-report.e51158c1.png)

该文档所使用的回复内容

```plain text
{
 "timestamp":1627960319,
 "messageId":"1422143789942595584",
 "data":{"a_name":"未来科技城",
  "b_name":"C2 栋",
  "l_name":"12-05-2012"}
}

参数	说明
timestamp	毫秒时间戳
messageId	随机消息ID
data	上报数据，类型与物模型事件中定义的类型一致

3.事件上报设备日志

4.事件上报内容

# 地理位置上报

物模型中添加地理位置。通过属性定义添加地理位置类型属性。

在设备产品详情页面点击应用配置按钮。
使用mqttX连接到平台，设备上线后推送地理位置消息到平台，此处使用topic为 /{productId}/{deviceId}/properties/report 。

此处使用的报文为：

```plain text { “timestamp”:1601196762389, “messageId”:”ddddd”, “properties”:{ “geoPoint”: “102.321,36.523” } }

注意：

上报geo地理位置类型数据有三种格式，一是字符串以逗号分隔，如：“102.321,36.523”;二是数组类型，如:[102.321,36.523];三是map类型，如：{“lat”:102.321,“lon”:36.523}。

4. 上报成功后将在设备的运行状态中显示。

![](/assets/img/device-info-geo.22f94d2d.png)

也可查看上报历史消息。

![](/assets/img/geo-history.9d62c615.png)

注意：

物模型中的标签也可创建geo类型，但不可通过标签上报地理位置信息，只能通过属性上报。地理位置标签将主要运用在地图查询中。

### [#](http://doc.jetlinks.cn/advancement-guide/mqtt-connection.html#%E8%B0%83%E7%94%A8%E8%AE%BE%E5%A4%87%E5%8A%9F%E8%83%BD) 调用设备功能

5. MqttX连接上平台

2.选择设备功能模块,点击执行,向设备发送topic

![](/assets/img/device-function.30195827.png)

3.在MqttX订阅topic为

/{productId}/{deviceId}/function/invoke/reply

。

![](/assets/img/mqttx-device-function-replay.304ac535.png)

此处使用的报文为：

```plain text
{
 "timestamp":1601196762389,
 "messageId":"1422497215780651008",
 "output":"success",
 "success":true
}

参数	说明
timestamp	毫秒时间戳
messageId	与设备下发中的messageId相同”
output	返回执行结果,具体类型与物模型中功能输出类型一致
success	成功状态

4.设备功能调用成功

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IoT, JetLinks

JetLinks

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