xtilsC++17 Static Utility Library

App framework, networking, FSM, behavior trees, async tasks, and more.

🏗️

App Framework

Singleton app context with service lifecycle, config, events, and timers.

🌐

TCP/UDP, HTTP client & server, WebSocket, TLS (OpenSSL / mbedTLS).

🤖

Finite state machines with guards and Graphviz export. JSON-driven behavior trees with blackboard and events.

⚡

Event loop, thread pools, task groups, timers, cron scheduler.

📝

Async logger with console & rotating file sinks, watchdog.

🔧

JSON, string/file utils, base64, SHA1, byte reader/writer, thread-safe containers.