Vermell是一个为现代C++环境设计的极简网络框架，采用epoll事件驱动架构1。该框架零依赖，仅使用Linux基础API（sockets、epoll、pthreads、fork/exec）1，通过单头文件集成方式提供快速编译体验1。用户仅需链接一个静态库libvermell.a，编译命令为g++ -std=c++20 server.cpp -o exe -lvermell1。
框架支持多平台部署，包括x86_64、ARM（aarch64、armv7）、Android Termux、WSL、树莓派及容器环境1。在功能方面，Vermell内置RFC 8259严格JSON解析器和序列化器，支持HTTP/1.1及更新版本1。采用非阻塞epoll循环处理请求，通过工作线程池分发任务1，并提供模板渲染和静态文件服务等功能1。
在安全加固上，框架默认配置已包含多项防护措施：超时设置、请求上限、连接限制以及渲染沙箱1。框架拒绝缺少Host头的请求以防止请求走私1，默认最大连接数设定为1024，防止连接洪泛导致内存耗尽1。
Vermell is a lightweight C++ web framework designed with zero external dependencies, built on an event-driven architecture powered by epoll 1. The framework achieves minimal overhead by relying solely on fundamental Linux APIs including sockets, epoll, pthreads, and fork/exec operations 1. Integration is streamlined through a single header file and a static library (libvermell.a), with compilation as simple as g++ -std=c++20 server.cpp -o exe -lvermell 1.
The framework comes equipped with production-ready features out of the box 1. Built-in capabilities include an RFC 8259-compliant JSON parser and serializer, template rendering, and static file serving 1. Security measures are enabled by default, encompassing request timeouts, connection limits capped at 1024 to prevent memory exhaustion, and HTTP/1.1 compliance with rejection of requests lacking a Host header to defend against request smuggling attacks 1. Request processing utilizes non-blocking epoll loops that distribute tasks across a worker thread pool 1.
Vermell supports a broad range of platforms spanning x86_64, ARM architectures (aarch64 and armv7), Android Termux environments, Windows Subsystem for Linux, Raspberry Pi, and containerized deployments 1.
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