Async Programming for Game Servers

About

This skill provides domain-specific guidance for architecting non-blocking, concurrent game server logic across multiple languages like C#, Rust, Go, and C++. It helps developers implement efficient task scheduling, manage connection limits, and handle graceful shutdowns using structured concurrency patterns. By optimizing asynchronous workflows and providing built-in observability for event loop lag and task duration, it ensures minimal latency and maximum throughput for demanding multiplayer environments.

Key Features

• Real-time observability metrics for monitoring task active counts, duration, and event loop lag
• 1 GitHub stars
• Structured error handling and graceful shutdown patterns with linked cancellation tokens
• Advanced concurrency control using semaphores and rate limiting to prevent resource exhaustion
• Multi-language support for C# Task-based patterns, Go routines, C++20 coroutines, and Rust tokio
• Performance optimization strategies to identify and prevent thread starvation and memory leaks

Use Cases

• Designing high-concurrency multiplayer game backends that require thousands of simultaneous connections
• Optimizing server-side event loops to reduce tick latency and improve player experience
• Implementing safe and scalable I/O bound player connection handlers with automatic timeouts