Antonio Cossari
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* Epoll.hpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: acossari <acossari@student.codam.nl> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2026/08/26 11:34:23 by acossari #+# #+# */
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/* Updated: 2026/08/26 11:34:25 by acossari ### ########.fr */
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/* */
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/* ************************************************************************** */
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#pragma once
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#include <sys/epoll.h>
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#include <array>
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#include <cstddef>
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#include <cstdint>
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#include <exception>
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#include <span>
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#include <string>
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#include "net/FileDescriptor.hpp"
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namespace webserv {
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class Epoll final {
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public:
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class Error : public std::exception {
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public:
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explicit Error(std::string message);
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const char* what() const noexcept override;
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private:
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std::string msg_;
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};
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// wait() returns at most this many ready events per call. Smaller batches
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// require more calls, while larger batches delay the next loop iteration.
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// The value is a middle ground. Excess events remain for later calls.
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static constexpr std::size_t EVENT_BATCH_CAPACITY = 256;
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Epoll();
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void add(int fd, std::uint32_t events, std::uint64_t token);
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void modify(int fd, std::uint32_t events, std::uint64_t token);
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void remove(int fd) noexcept;
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std::span<const epoll_event> wait(int timeoutMillis);
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private:
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FileDescriptor fd_;
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std::array<epoll_event, EVENT_BATCH_CAPACITY> events_{};
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};
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} // namespace webserv
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