f3282c8d1e
* treewide: remove unused variables * making ofborg happy
217 lines
5.3 KiB
Nix
217 lines
5.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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name = "snapserver";
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cfg = config.services.snapserver;
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# Using types.nullOr to inherit upstream defaults.
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sampleFormat = mkOption {
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type = with types; nullOr str;
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default = null;
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description = ''
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Default sample format.
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'';
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example = "48000:16:2";
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};
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codec = mkOption {
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type = with types; nullOr str;
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default = null;
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description = ''
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Default audio compression method.
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'';
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example = "flac";
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};
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streamToOption = name: opt:
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let
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os = val:
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optionalString (val != null) "${val}";
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os' = prefixx: val:
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optionalString (val != null) (prefixx + "${val}");
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flatten = key: value:
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"&${key}=${value}";
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in
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"-s ${opt.type}://" + os opt.location + "?" + os' "name=" name
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+ concatStrings (mapAttrsToList flatten opt.query);
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optionalNull = val: ret:
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optional (val != null) ret;
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optionString = concatStringsSep " " (mapAttrsToList streamToOption cfg.streams
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++ ["-p ${toString cfg.port}"]
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++ ["--controlPort ${toString cfg.controlPort}"]
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++ optionalNull cfg.sampleFormat "--sampleFormat ${cfg.sampleFormat}"
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++ optionalNull cfg.codec "-c ${cfg.codec}"
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++ optionalNull cfg.streamBuffer "--streamBuffer ${cfg.streamBuffer}"
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++ optionalNull cfg.buffer "-b ${cfg.buffer}"
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++ optional cfg.sendToMuted "--sendToMuted");
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in {
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###### interface
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options = {
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services.snapserver = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable snapserver.
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'';
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};
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port = mkOption {
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type = types.port;
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default = 1704;
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description = ''
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The port that snapclients can connect to.
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'';
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};
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controlPort = mkOption {
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type = types.port;
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default = 1705;
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description = ''
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The port for control connections (JSON-RPC).
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'';
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};
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openFirewall = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to automatically open the specified ports in the firewall.
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'';
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};
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inherit sampleFormat;
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inherit codec;
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streams = mkOption {
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type = with types; attrsOf (submodule {
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options = {
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location = mkOption {
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type = types.path;
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description = ''
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The location of the pipe.
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'';
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};
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type = mkOption {
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type = types.enum [ "pipe" "file" "process" "spotify" "airplay" ];
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default = "pipe";
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description = ''
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The type of input stream.
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'';
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};
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query = mkOption {
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type = attrsOf str;
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default = {};
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description = ''
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Key-value pairs that convey additional parameters about a stream.
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'';
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example = literalExample ''
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# for type == "pipe":
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{
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mode = "listen";
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};
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# for type == "process":
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{
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params = "--param1 --param2";
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logStderr = "true";
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};
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'';
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};
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inherit sampleFormat;
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inherit codec;
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};
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});
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default = { default = {}; };
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description = ''
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The definition for an input source.
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'';
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example = literalExample ''
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{
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mpd = {
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type = "pipe";
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location = "/run/snapserver/mpd";
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sampleFormat = "48000:16:2";
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codec = "pcm";
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};
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};
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'';
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};
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streamBuffer = mkOption {
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type = with types; nullOr int;
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default = null;
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description = ''
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Stream read (input) buffer in ms.
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'';
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example = 20;
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};
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buffer = mkOption {
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type = with types; nullOr int;
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default = null;
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description = ''
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Network buffer in ms.
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'';
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example = 1000;
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};
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sendToMuted = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Send audio to muted clients.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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systemd.services.snapserver = {
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after = [ "network.target" ];
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description = "Snapserver";
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wantedBy = [ "multi-user.target" ];
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before = [ "mpd.service" "mopidy.service" ];
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serviceConfig = {
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DynamicUser = true;
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ExecStart = "${pkgs.snapcast}/bin/snapserver --daemon ${optionString}";
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Type = "forking";
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LimitRTPRIO = 50;
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LimitRTTIME = "infinity";
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NoNewPrivileges = true;
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PIDFile = "/run/${name}/pid";
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ProtectKernelTunables = true;
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ProtectControlGroups = true;
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ProtectKernelModules = true;
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RestrictAddressFamilies = "AF_INET AF_INET6 AF_UNIX";
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RestrictNamespaces = true;
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RuntimeDirectory = name;
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StateDirectory = name;
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};
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};
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networking.firewall.allowedTCPPorts = optionals cfg.openFirewall [ cfg.port cfg.controlPort ];
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};
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meta = {
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maintainers = with maintainers; [ tobim ];
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};
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}
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