MQTT API ‐ Heartbeat

Heartbeat

Interaction Flow

sequenceDiagram

participant Server as User Application Service
participant MQTT as User MQTT Server
participant Gateway as Cassia Bluetooth Gateway
  
loop
  rect rgba(136, 177, 234,0.4)
    Gateway -) Gateway: Heartbeat Timer
    Gateway --) Server: Heartbeat Request
    Server -) Server: Process Heartbeat Request
    Server --) Gateway: Heartbeat Response
    Gateway -) Gateway: Process Heartbeat Response
  end
end

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Heartbeat Request

Topic	action Field
up/{gateway}/heartbeat	heartbeat

Message Payload

{
  "id": "35656",
  "action": "heartbeat",
  "timestamp": 1678698297028,
  "gateway": "CC:1B:E0:E2:8F:2C",
  "data": {}
}

Heartbeat Response

Topic	action Field
down/{gateway}/heartbeat_reply	heartbeat_reply

Message Payload

{
  "id": "35656",
  "action": "heartbeat_reply",
  "timestamp": 1678698297028,
  "gateway": "CC:1B:E0:E2:8F:2C",
  "data": {}
}