Initial Release #

First stable release of local_websocket - a pure Dart library for local network WebSocket communication.

Core Features

• WebSocket Server - Create WebSocket servers with minimal configuration

  • Two messaging modes: Broadcast (echo: false) and Echo (echo: true)
  • Custom server metadata/details support
  • Automatic client management
  • Real-time client tracking with reactive streams

• WebSocket Client - Simple client connection and messaging

  • Automatic UUID generation for each client
  • Custom client metadata via query parameters
  • Reactive message and connection streams
  • Clean connection/disconnection handling

• Network Scanner - Automatic server discovery on local networks

  • Subnet scanning (e.g., 192.168.1.0/24)
  • Configurable scan intervals and ports
  • HTTP header-based server identification
  • Returns discovered servers with metadata

Delegate System

Extensible delegate-based architecture for customization:

• RequestAuthenticationDelegate - Authenticate HTTP requests before WebSocket upgrade

• ClientValidationDelegate - Validate clients after WebSocket connection

  • Custom validation logic support
  • Max clients enforcement
  • Metadata validation

• ClientConnectionDelegate - Handle connection lifecycle events

  • Perfect for logging, analytics, and notifications

• MessageValidationDelegate - Validate individual messages

  • Content filtering support
  • Rate limiting capabilities
  • Message format validation