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Libevent - 高性能异步事件通知库
Libevent is a high-performance, portable, event-driven programming network library. It provides a unified API for various asynchronous notification mechanisms, including kqueue, epoll, select, and more, enabling developers to build scalable network servers and applications.
C
Added on 2025年5月30日11,516
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LanguageProject Introduction
Summary
Libevent is an open-source, event notification library that enables event-driven programming for network servers and applications. It is designed to be highly portable and efficient, providing a robust foundation for applications requiring asynchronous operations.
Problem Solved
Building responsive and scalable network applications often requires handling numerous concurrent connections efficiently without resorting to complex, resource-heavy threading models. Libevent addresses this by abstracting away the complexities of asynchronous I/O and providing a simple, event-driven model for high-performance network programming.
Core Features
Portable Event Loop
Offers a consistent API across different operating systems and event notification mechanisms (kqueue, epoll, select, poll, dev/poll, Windows IOCP).
Buffered I/O
Provides high-level abstractions for buffered I/O, simplifying reading and writing data asynchronously.
Timers and Signals
Supports setting and handling timer events and signal events within the same event loop.
Built-in HTTP and SSL Support
Includes built-in support for handling HTTP and SSL/TLS protocols.
Tech Stack
C
使用场景
Libevent is suitable for a wide range of applications requiring efficient event handling and non-blocking network I/O, including:
高性能网络服务器
Details
Building high-performance server applications such as web servers, proxy servers, chat servers, or game servers that can handle thousands of concurrent connections.
User Value
Enables scalable server designs with lower resource consumption compared to traditional thread-per-connection models.
异步网络客户端
Details
Developing client applications that need to handle multiple connections or events simultaneously without blocking the main program flow.
User Value
Allows for building responsive client applications that can perform operations concurrently.
事件驱动应用程序
Details
Creating event-driven utilities that react to file descriptor readiness, signals, or timeouts.
User Value
Provides a clean and efficient framework for responding to various system and application events.
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