Overview

​

Connection Information

​

Communication Protocol

{
  "type": "api_method_name",
  "evtid": "unique_event_id",
  "timeout": 18,
  "param1": "value1",
}

• type (string): API method name
• evtid (string): Unique event ID for matching requests and responses
• timeout (number): Timeout in seconds, optional, supported by some interfaces
• Other parameters depend on the specific API method

{
  "evtid": "unique_event_id",
  "type": "success",
  "data": /*return result*/
}

• First 6 bytes: UTF-8 encoded metadata length string
• Metadata: JSON format response information
• Binary data: Actual binary content

{
  "evtid": "unique_event_id",
  "type": "error",
  "error": "error message"
}

{
  "type": "event",
  "event": "event_name",
  "data": { "payload": "..." }
}

​

Client Implementation