{ config, lib, pkgs, ... }: with lib; let cfg = config.services.mame; mame = "mame${lib.optionalString pkgs.stdenv.is64bit "64"}"; in { options = { services.mame = { enable = mkOption { type = types.bool; default = false; description = '' Whether to setup TUN/TAP Ethernet interface for MAME emulator. ''; }; user = mkOption { type = types.str; description = '' User from which you run MAME binary. ''; }; hostAddr = mkOption { type = types.str; description = '' IP address of the host system. Usually an address of the main network adapter or the adapter through which you get an internet connection. ''; example = "192.168.31.156"; }; emuAddr = mkOption { type = types.str; description = '' IP address of the guest system. The same you set inside guest OS under MAME. Should be on the same subnet as . ''; example = "192.168.31.155"; }; }; }; config = mkIf cfg.enable { environment.systemPackages = [ pkgs.mame ]; security.wrappers."${mame}" = { owner = "root"; group = "root"; capabilities = "cap_net_admin,cap_net_raw+eip"; source = "${pkgs.mame}/bin/${mame}"; }; systemd.services.mame = { description = "MAME TUN/TAP Ethernet interface"; after = [ "network.target" ]; wantedBy = [ "multi-user.target" ]; path = [ pkgs.iproute2 ]; serviceConfig = { Type = "oneshot"; RemainAfterExit = true; ExecStart = "${pkgs.mame}/bin/taputil.sh -c ${cfg.user} ${cfg.emuAddr} ${cfg.hostAddr} -"; ExecStop = "${pkgs.mame}/bin/taputil.sh -d ${cfg.user}"; }; }; }; meta.maintainers = with lib.maintainers; [ ]; }