Serving files over HTTP three ways: synchronous, epoll, and io_uring
The article discusses three methods for serving files over HTTP: synchronous, epoll, and io_uring. It provides a basic overview of the necessary code and components required to implement a file server. The author emphasizes the simplicity of the program while hinting at potential enhancements and optimizations.
- ▪The article explores different IO methods for serving files over HTTP.
- ▪It includes code snippets for setting up a basic file server.
- ▪The author mentions potential enhancements like on-the-fly compression and integrity checks.
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Serving files over HTTP three ways: synchronous, epoll, and io_uringMay 18, 2026 by Phil Eatonio_uringepollcYou are getting early access to this article as a subscriber. Your support makes articles like this possible. Thank you.A file server is a nice path through which to explore IO methods because we can write a relatively simple program that still does both network and disk IO. And we can, though in this article we won’t, spend no end of time enhancing and optimizing it (on-the-fly compression, integrity checks, keep-alive, uploads, memory usage, etc.)Let's start with some shared code across IO methods.No matter the IO method, we’ll need to be able to listen on a port.#pragma once #include <arpa/inet.h> #include <errno.h> #include <fcntl.h> #include <netinet/in.h> #include <stdint.h>…
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