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{ lib, stdenv, fetchFromGitHub, fetchpatch, pkg-config, zlib, cmake, enableJemalloc ? !stdenv.hostPlatform.isMusl, jemalloc }:
stdenv.mkDerivation rec {
pname = "lwan";
version = "0.5";
src = fetchFromGitHub {
owner = "lpereira";
repo = pname;
rev = "v${version}";
sha256 = "sha256-otiPH+e+auMCyeOTq4LJYaBNv+I91kOCww7DCepQTAQ=";
};
patches = [
(fetchpatch {
url = "https://github.com/lpereira/lwan/commit/9b94ff5eecec1e925103b25a43dacc226a634878.patch";
hash = "sha256-g1ZwmEodtF1fkbIBaLT4YvH8EG8DGafHydPSYJra+c0=";
})
];
nativeBuildInputs = [ cmake pkg-config ];
buildInputs = [ zlib ] ++ lib.optional enableJemalloc jemalloc;
# Note: tcmalloc and mimalloc are also supported (and normal malloc)
cmakeFlags = lib.optional enableJemalloc "-DUSE_ALTERNATIVE_MALLOC=jemalloc";
hardeningDisable = lib.optional stdenv.hostPlatform.isMusl "pie";
meta = with lib; {
description = "Lightweight high-performance multi-threaded web server";
mainProgram = "lwan";
longDescription = "A lightweight and speedy web server with a low memory
footprint (~500KiB for 10k idle connections), with minimal system calls and
memory allocation. Lwan contains a hand-crafted HTTP request parser. Files are
served using the most efficient way according to their size: no copies between
kernel and userland for files larger than 16KiB. Smaller files are sent using
vectored I/O of memory-mapped buffers. Header overhead is considered before
compressing small files. Features include: mustache templating engine and IPv6
support.
";
homepage = "https://lwan.ws/";
license = licenses.gpl2Plus;
platforms = platforms.linux;
maintainers = with maintainers; [ leenaars ];
};
}
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