shsp_implementations 1.2.0

Complete implementation of Single HandShake Protocol (SHSP) - provides UDP sockets, handshake logic, and utilities for peer-to-peer networking.

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

1.2.0 - 2026-02-22

Added

• GZipCodec, LZ4Codec, ZstdCodec compression implementations
• Pluggable compression codec system in ShspSocket
• Support for custom compression algorithms via ICompressionCodec interface
• Compression tests (14 new tests covering all codecs)

Changed

• Updated dependencies: shsp_interfaces ^1.2.0, archive ^3.6.1
• ShspSocket now accepts optional compression codec parameter (defaults to GZip)
• Data messages (0x00) are now transparently compressed/decompressed
• Protocol messages (0x01-0x04) remain uncompressed for minimal overhead

Improved

• UDP bandwidth efficiency through automatic data message compression
• Real-time communication support with low-latency compression codecs

1.1.0 - 2026-02-09

Added

• Complete callback handler integration in ShspSocket, ShspPeer, and ShspInstance
• Enhanced callback management with proper lifecycle handling

Changed

• Updated dependencies: shsp_types ^1.1.0, shsp_interfaces ^1.1.0
• Refactored callback routing for improved consistency and reliability
• Enhanced callback handler in peer and instance management

Fixed

• Resolved callback execution flow in socket and peer instances
• Fixed callback routing between peer and instance handlers
• Improved callback handler consistency across components

1.0.7 - 2026-02-08

Changed

• Updated dependencies: shsp_types ^1.0.7, shsp_interfaces ^1.0.7 (from ^1.0.5)
• Consolidated callback handler integration
• Version synchronization across all packages in monorepo

Fixed

• Finalized callback handler implementation across all components
• Ensured consistency in callback management patterns

1.0.6 - 2026-02-05

Added

• Callback handler get and set methods
• Enhanced callback management capabilities
• Improved callback lifecycle management

Changed

• Refactored callback handler to use callback_handler package
• Enhanced ShspInstance callback support
• Improved ShspSocket callback management

Fixed

• Fixed callback execution and state management
• Resolved issues in message callback mapping

1.0.5 - 2026-01-30

Changed

• Updated dependencies to latest versions (json_annotation ^4.10.0, lints ^6.0.0, test ^1.29.0, meta ^1.18.1)
• Improved code quality with stricter linting rules
• Removed unnecessary library declaration
• Added curly braces to all if statements for better code consistency

Fixed

• Fixed static analysis warnings (unused fields, flow control structure braces)
• Fixed deprecated API usage warnings
• Fixed documentation HTML comment syntax

1.0.1 - 2026-01-11

Fixed

• Fixed dependencies to use hosted sources instead of path references
• Removed unused imports from shsp_instance.dart
• Fixed null comparison in keep_alive_timer.dart
• Improved function type syntax for callbacks
• Prepared package for Pub.dev publication

Changed

• Updated all factory methods with comprehensive documentation
• Added detailed README section on creating SHSP objects

1.0.0 - 2026-01-08

Added

• Initial release of SHSP Implementations package
• ShspSocket complete UDP socket implementation with callback management
• ShspPeer for peer connection management
• ShspInstance for protocol instance management
• Shsp core protocol implementation
• Handshake implementations:
  • HandshakeIp for IP-based handshakes
  • HandshakeOwnership for ownership verification
  • HandshakeTime for time-based handshakes
• Utility classes:
  • CallbackMap for managing multiple callbacks
  • MessageCallbackMap for message-specific callbacks
  • AddressUtility for address formatting
  • ConcatUtility for data concatenation
  • RawShspSocket for low-level socket operations

Features

• Complete Single HandShake Protocol implementation
• UDP-based peer-to-peer networking
• Callback-driven asynchronous communication
• Built-in handshake mechanisms for secure connections
• Comprehensive error handling and logging
• Support for IPv4 and IPv6
• Integration with STUN protocol for NAT traversal
• Cryptographic utilities for secure communications