Basic Message Format

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1.Device Data Point message

2.Device Lifecycle Event message

The rule engine has defined different fixed basic message formats for different message sources as the SQL processing basis of the rule.

1. Device Data Point message

Device data point message is formatted as follows:

Json Example 1: Json Data

{
    "sysProperty": {
        "messageType": "deviceDatapoint",
        "productId": "90273",
    },
    "appProperty":{
        "deviceId": "102839",
        "dataTimestamp": 15980987429000,
        "datastream":"weather"
    },
    "body":{
        "temperature": 30,
        "humidity": "47%"
    }
}

Json Example 2: Numeric Data

{
    "sysProperty": {
        "messageType": "deviceDatapoint",
        "productId": "90273",
    },
    "appProperty":{
        "deviceId": "102839",
        "dataTimestamp": 15980987429000,
        "datastream":"temperature"
    },
    "body": 10
}

Json Example 3: String

{
    "sysProperty": {
        "messageType": "deviceDatapoint",
        "productId": "90273",
    },
    "appProperty":{
        "deviceId": "102839",
        "dataTimestamp": 15980987429000,
        "datastream":"weather"
    },
    "body":"sunny with wind"
}

2. Device lifecycle event message

The device lifecycle event message format is as follows:

Json Example

{
    "sysProperty": {
        "messageType": "deviceLifeCycle",
        "productId": "90273",
    },
    "appProperty":{
        "deviceId": "102839",
        "dataTimestamp": 15980987429000,
    },
    "body":{
        "event": "online"
    }
}