default.nix

{ stdenv
, lib
, fetchFromGitHub
, cmake
, boost
, libevent
, double-conversion
, glog
, fmt_8
, gflags
, openssl
, fizz
, folly
, gtest
, libsodium
, zlib
}:

stdenv.mkDerivation (finalAttrs: {
  pname = "wangle";
  version = "2024.03.11.00";

  src = fetchFromGitHub {
    owner = "facebook";
    repo = "wangle";
    rev = "v${finalAttrs.version}";
    sha256 = "sha256-fDtJ+9bZj+siKlMglYMkLO/+jldUmsS5V3Umk1gNdlo=";
  };

  nativeBuildInputs = [ cmake ];

  cmakeDir = "../wangle";

  cmakeFlags = [
    "-Wno-dev"
    (lib.cmakeBool "BUILD_TESTS" finalAttrs.finalPackage.doCheck)
  ] ++ lib.optionals stdenv.isDarwin [
    "-DCMAKE_OSX_DEPLOYMENT_TARGET=10.14" # For aligned allocation
  ];

  buildInputs = [
    fmt_8
    libsodium
    zlib
    boost
    double-conversion
    fizz
    folly
    glog
    gflags
    libevent
    openssl
  ];

  doCheck = true;
  checkInputs = [
    gtest
  ];
  preCheck = let
    disabledTests = [
      # these depend on example pem files from the folly source tree (?)
      "SSLContextManagerTest.TestSingleClientCAFileSet"
      "SSLContextManagerTest.TestMultipleClientCAsSet"

      # https://github.com/facebook/wangle/issues/206
      "SSLContextManagerTest.TestSessionContextCertRemoval"
    ] ++ lib.optionals stdenv.isDarwin [
      # flaky
      "BroadcastPoolTest.ThreadLocalPool"
      "Bootstrap.UDPClientServerTest"
    ];
  in ''
    export GTEST_FILTER="-${lib.concatStringsSep ":" disabledTests}"
  '';

  meta = with lib; {
    description = "An open-source C++ networking library";
    longDescription = ''
      Wangle is a framework providing a set of common client/server
      abstractions for building services in a consistent, modular, and
      composable way.
    '';
    homepage = "https://github.com/facebook/wangle";
    license = licenses.asl20;
    platforms = platforms.unix;
    maintainers = with maintainers; [ pierreis kylesferrazza ];
  };
})