Overview

Introduction for "WISEAgent communication protocol". WISEAgent communication protocol is base on standard MQTT protocol. We also define Advantech IoT Topic and message in JSON format. Follow standard to design our [Sensor Format in JSON ]

Protocol

Connect

Description: Agent Client sends the "Connect Info" to RMM Server for on-line notification.
Type: Info
Direction: Agent -> Server
Topic: /cagent/admin/<devID>/agentinfoack
QoS: 2
Retained: 0
Payload:

{
  "susiCommData": {
    	"devID":"0017000E40000001",
    	"hostname":"AAA",
    	"sn":"0017000E40000001",
    	"mac":"0017000E40000001",
    	"version":"3.1.23",
    	"type":"SenHub",
    	"product":"WISE-1020",
    	"manufacture":"",
    	"status":"1",
    	"commCmd":1,
    	"requestID":30002,
    	"agentID":"0017000E40000001",
    	"handlerName":"general",
    	"sendTS":160081026
   }
}

Disconnect

Description: Agent Client sends the "Disconnect Info" to Server for off-line notification.
Type: Info
Direction: Agent -> Server
Topic: /cagent/admin/<devID>/agentinfoack
QoS: 2
Retained: 0
Payload:

{
  "susiCommData": {
    	"devID":"0017000E40000001",
    	"hostname":"AAA",
    	"sn":"0017000E40000001",
    	"mac":"0017000E40000001",
    	"version":"3.1.23",
    	"type":"SenHub",
    	"product":"WISE-1020",
    	"manufacture":"",
    	"status":"0",
    	"commCmd":1,
    	"requestID":30002,
    	"agentID":"0017000E40000001",
    	"handlerName":"general",
    	"sendTS":160081026
   }
}

Will Message

Description: While Client lost connection or keep-alive timeout, the will message will send to the client that subscribe the topic
Type: Info
Direction: Agent -> Broker
Topic: /cagent/admin/devId/willmessage
QoS: 0
Retained: 0
Payload:

{
    "susiCommData": {
        "devID": "000014DAE996BE04",
        "hostname": "PC001104",
        "sn": "14DAE996BE04",
        "mac": "14DAE996BE04",
        "version": "1.0.0.0",
        "type": "IPC",
        "product": "",
        "manufacture": "",
        "account": "anonymous",
        "password": "",
        "status": 0,
        "commCmd": 1,
        "requestID": 21,
        "agentID": "000014DAE996BE04",
        "handlerName": "general",
        "sendTS": 1423536737
    }
}

OS Info

Description: Agent Client sends the OS Info" to RMM Server for device OS information.
Type: Info
Direction: Agent -> Server
Topic: /cagent/admin/<devID>/agentactionreq
QoS: 0
Retained: 0
Payload:

{
  "susiCommData":{
     "osInfo":
      {
        "cagentVersion":"3.1.23",
        "cagentType":"IoTGW",
        "osVersion":"SnailOS",
        "biosVersion":"",
        "platformName":"",
        "processorName":"SnailGW",
        "osArch":"SnailX86",
        "totalPhysMemKB":123,
        "macs":"000E40ABCDEF",
        "IP":"192.168.0.100"
     },
     "commCmd":116,
     "requestID":109,
     "agentID":"0000000E40ABCDEF",
     "handlerName":"general",
     "sendTS":1466730390
   }
}

Info or Update Device's Capability

Description: Agent will send it's capability to Server for description all resource.
Type: Auto update
Direction: Agent-> Server
Topic: /cagent/admin/<devID>/agentactionreq
QoS: 0
Retained: 0
Payload:

Example: SenHub's Capability

{
  "susiCommData":{
    "infoSpec": {
        "SenHub": {
            "SenData": {"e":[ {"n":"Temperature","u":"Cel","v":0.000000,"min":-100.000000,"max":200.000000,"asm":"r","type":"d","rt":"ucum.Cel","st":"ipso","exten":""},
                              {"n":"Humidity","u":"%","v":0.000000,"min":0.000000,"max":100.000000,"asm":"r","type":"d","rt":"ucum.%","st":"ipso","exten":""},
                              {"n":"GPIO1","u":"","bv":0,"min":0.000000,"max":1.000000,"asm":"r","type":"b","rt":"","st":"ipso","exten":""},
                              {"n":"GPIO2","u":"","bv":0,"min":0.000000,"max":1.000000,"asm":"r","type":"b","rt":"","st":"ipso","exten":""}
                            ],
            "bn":"SenData"
            },
            "Info": {"e":[{"n":"Name","sv":"SenHub1","asm":"rw"},
                          {"n":"sw","sv":"1.0.00","asm":"r"}
                         ],
            "bn":"Info"
           },
           "Net": {"e":[{"n":"sw","sv":"1.0.00","asm":"r"},
                        {"n":"Neighbor","sv":"","asm":"r"},
                        {"n":"Health","v":"100.000000","asm":"r"}
                       ],
            "bn":"Net"
           }
       }
   },
   "commCmd":2052,
   "requestID":2001,
   "agentID":"0017000E40000001",
   "handlerName":"general",
   "sendTS":160081024
  }
}

Eable Auto Update

Description: Server can send start auto report command to Agent
Type: Auto report
Direction: Server -> Agent
Topic: /cagent/admin/<device>/agentcallbackreq
Broadcast Topic: /cagent/admin/broadcast/agentctrl
QoS: 0
Retained: 0
Payload:

{
   "susiCommData": {
      "commCmd": 2053,
      "requestItems": {"All":{}},
      "autoUploadIntervalSec": 10,
      "handlerName": "general"
   }
}

Description: Agent reply
Type: Reply of auto report command
Direction: Server -> Agent
Topic: /cagent/admin/<device>/agentactionreq
QoS: 0
Retained: 0
Payload:

{
  "susiCommData": {
    "result": "SUCCESS",
    "dataFlow": "general/NetMonitor",
    "seq": "70_1611629702692",
    "srcTs": 1611629702692,
    "commCmd": 2054,
    "agentID": "NetMonitor",
    "handlerName": "general",
    "sendTS": : 1611629702692
  }
}

Stope Auto Update

Description: Server can send stop auto report command to Agent
Type: Auto update
Direction: Server -> Agent
Topic: /cagent/admin/<device>/agentcallbackreq
Broadcast Topic: /cagent/admin/broadcast/agentctrl
QoS: 0
Retained: 0
Payload:

{
  "susiCommData": {
    "requestID": 1001,
    "catalogID": 4,
    "commCmd": 2056,
    "handlerName": "general",
    "requestItems": {
      "All": {}
    }
  }
}

Auto Update Sensor Data Value

Description: Agent will update latest value to server.
Type: Auto update
Direction: Agent-> Server
Topic: /cagent/admin/<devID>/deviceinfo
QoS: 0
Retained: 0
Payload:

{  
  "susiCommData":{  
     "data":{  
        "SenHub":{  
           "SenData":{  
              "e":[{"n":"Temperature","v":1},
                   {"n":"Humidity","v":57},
                   {"n":"GPIO1","bv":0},
                   {"n":"GPIO2","bv":0}],
              "bn":"SenData"
           },
           "ver":1
        }
     },
     "commCmd":2055,
     "requestID":2001,
     "agentID":"0017000E40000001",
     "handlerName":"general",
     "sendTS":160081031
  }
}

Start Monitor Request

Description: Server send the start monitor requestto Agent to trigger a plugin to report data with reply topic.
Type: Auto update
Direction: Server -> Agent
Topic: /cagent/admin/<devID>/agentcallbackreq
QoS: 0
Retained: 0
Payload:

{
  "susiCommData": {
    "commCmd": 533,
    "catalogID": 4,
    "requestID": 10,
    "autoUploadIntervalMs": 10000,
    "autoUploadTimeoutMs": 30000
  }
}

Description: Agent will reply sensor data every autoUploadIntervalMs ( millisecond ) duration autoUploadTimeoutMs.
Type: Reply
Direction: Agent -> Server
Topic: /cagent/admin/<devID>/agentactionreq
QoS: 0
Retained: 0
Payload: Refer to Auto Update Sensor Data Value

{
  "susiCommData": {
    "OPCUAClient": {
      "info": {
        "bn": "info",
        "e": [
          {
            "n": "type",
            "sv": "Protocol-Converter",
            "asm": "r"
          },
          {
            "n": "name",
            "sv": "OPCUAClient",
            "asm": "r"
          }
        ]
      }
    },
    "commCmd": 534,
    "requestID": 30002,
    "agentID": "OPCUAClient",
    "handlerName": "OPCUAClient",
    "sendTS": 1587353254699
  }
}

Get Sensor Data

Description: Server can send mqtt message to get sensor data value.
Type: Request
Direction: Server -> Agent
Topic: /cagent/admin/<devID>/agentcallbackreq
QoS: 0
Retained: 0
Payload:

{  
  "susiCommData":{  
     "sessionID":"2746E3B65BAB115338B9668CDC5C35C4",
     "sensorIDList":{  
        "e":[  
           {  
              "n":"SenHub/Info/sw"
           }
        ]
     },
     "commCmd":523,
     "requestID":0,
     "agentID":"",
     "handlerName":"SenHub",
     "sendTS":1466057267
  }
}

Description: Agent will reply its data value.
Type: Reply
Direction: Agent -> Server
Topic: /cagent/admin/<devID>/agentactionreq
QoS: 0
Retained: 0
Payload:

{  
  "susiCommData":{  
     "commCmd":524,
     "handlerName":"SenHub",
     "sessionID":"2746E3B65BAB115338B9668CDC5C35C4",
     "sensorInfoList":{  
        "e":[  
           {  
              "n":"/Info/sw",
              "sv":"1.0.00",
              "StatusCode":200
           }
        ]
     }
  }
}

Set Sensor Data

Description: Server can send mqtt message to set sensor data value.
Type: Request
Direction: Server -> Agent
Topic: /cagent/admin/<devID>/agentcallbackreq
QoS: 0
Retained: 0
Payload:

{  
  "susiCommData":{  
     "sensorIDList":{  
        "e":[  
           {  
              "sv":"SenHub1",
              "n":"SenHub/Info/Name"
           }
        ]
     },
     "sessionID":"4DDF0B6DE2773176095F55E8C930507A",
     "commCmd":525,
     "requestID":0,
     "agentID":"",
     "handlerName":"SenHub",
     "sendTS":1466088605
  }
}

Description: Agent will reply its result.
Type: Reply
Direction: Agent -> Server
Topic: /cagent/admin/<devID>/agentactionreq
QoS: 0
Retained: 0
Payload:

{  
  "susiCommData":{  
     "commCmd":526,
     "handlerName":"SenHub",
     "sessionID":"4DDF0B6DE2773176095F55E8C930507A",
     "sensorInfoList":{  
        "e":[  
           {  
              "n":"/Info/Name",
              "sv":"SenHub1",
              "StatusCode":200
           }
        ]
     }
  }
}

EventNotify

Description:Event Notify
Type: Auto update
Direction: Agent -> Server
Topic: /cagent/admin/<devID>/eventnotify
QoS: ?
Retained: ?
Payload:

{  
   "susiCommData":{  
      "commCmd":2059,
      "requestID":2001,
      "agentID":"000014DAE996BE04",
      "handlerName":"general",
      "sendTS":1453356274,
      "eventnotify": {
            "subtype": "predict",
            "msg": "Hard disk long-term operation in more than 40°C or vibration environment.",
            "severity": 4,
            "handler": "HDD_PMQ",
            "extMsg": {
                "n": "WDC WD3200BUCT-63TWBY0",
                "eventID":"e2"
            }
        }  
    }
}

severity:
     Severity_Emergency = 0,
     Severity_Alert     = 1,
     Severity_Critical  = 2,
     Severity_Error     = 3,
     Severity_Warning   = 4,
     Severity_Informational = 5,
     Severity_Debug     = 6,

subtype: 
    THRESHOLD_CHECK_INFO
    THRESHOLD_CHECK_ERROR

Connectivity/Agent Communication Protocol in MQTT

Contents

Overview

Protocol

Connect

Disconnect

Will Message

OS Info

Info or Update Device's Capability

Eable Auto Update

Stope Auto Update

Auto Update Sensor Data Value

Start Monitor Request

Get Sensor Data

Set Sensor Data

EventNotify

AdvHeartBeat

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