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WebSocket Message Types

Bruno supports various message types for WebSocket communication, allowing you to send and receive different data formats based on your application’s requirements.

Supported Message Types

Bruno supports the following WebSocket message types:

Text Messages

Plain text messages for simple communication and human-readable data exchange.

Characteristics:

  • Format: UTF-8 encoded text
  • Use Case: Simple messages, commands, status updates
  • Size: Limited by WebSocket frame size (typically 64KB)
  • Encoding: UTF-8

Example Text Messages:

Hello, WebSocket server!
PING
GET_STATUS
USER_JOINED:john_doe

When to Use:

  • Simple commands or instructions
  • Status messages and notifications
  • Human-readable communication
  • Protocol-level messages (PING/PONG)

JSON Messages

Structured data in JSON format for complex data exchange and API-like communication.

Characteristics:

  • Format: JSON (JavaScript Object Notation)
  • Use Case: Structured data, API responses, complex objects
  • Validation: JSON syntax validation and formatting
  • Size: Limited by WebSocket frame size

Example JSON Messages:

{
  "type": "message",
  "content": "Hello from Bruno!",
  "timestamp": "2025-01-09T10:30:00Z",
  "user": {
    "id": 123,
    "name": "Bruno User"
  }
}

Chat Application Example:

{
  "type": "chat_message",
  "room": "general",
  "user": "john_doe",
  "message": "Hello everyone!",
  "timestamp": 1704795000000
}

API Response Example:

{
  "status": "success",
  "data": {
    "user_id": 123,
    "balance": 1000.50,
    "currency": "USD"
  },
  "message": "Balance retrieved successfully"
}

When to Use:

  • Structured data exchange
  • API-like communication
  • Complex objects and arrays
  • When you need data validation

XML Messages

Structured data in XML format for legacy systems and XML-based protocols.

Characteristics:

  • Format: XML (eXtensible Markup Language)
  • Use Case: SOAP messages, legacy systems, XML-based APIs
  • Validation: XML syntax validation and formatting
  • Size: Limited by WebSocket frame size

Example XML Messages:

<?xml version="1.0" encoding="UTF-8"?>
<message>
  <type>notification</type>
  <content>Hello from Bruno!</content>
  <timestamp>2025-01-09T10:30:00Z</timestamp>
  <user>
    <id>123</id>
    <name>Bruno User</name>
  </user>
</message>

SOAP Message Example:

<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <GetUserRequest>
      <userId>123</userId>
    </GetUserRequest>
  </soap:Body>
</soap:Envelope>

When to Use:

  • Legacy systems requiring XML format
  • SOAP-based WebSocket services
  • XML-based messaging protocols
  • When working with systems that expect XML
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