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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-10-10 13:28:20 +0200 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-10-10 13:28:20 +0200 |
commit | 5c1f8cbc70cd5e6867ef6a2a06d27a40daa07010 (patch) | |
tree | a6c0f605be6de3f372ae69905b331f9f75452da7 /nixos/modules/services/misc/gpsd.nix | |
parent | 6070bc016bd2fd945b04347e25cfd3738622d2ac (diff) | |
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Move all of NixOS to nixos/ in preparation of the repository merge
Diffstat (limited to 'nixos/modules/services/misc/gpsd.nix')
-rw-r--r-- | nixos/modules/services/misc/gpsd.nix | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/nixos/modules/services/misc/gpsd.nix b/nixos/modules/services/misc/gpsd.nix new file mode 100644 index 00000000000..bc1d1f4575a --- /dev/null +++ b/nixos/modules/services/misc/gpsd.nix @@ -0,0 +1,104 @@ +{ config, pkgs, ... }: + +with pkgs.lib; + +let + + uid = config.ids.uids.gpsd; + gid = config.ids.gids.gpsd; + cfg = config.services.gpsd; + +in + +{ + + ###### interface + + options = { + + services.gpsd = { + + enable = mkOption { + default = false; + description = '' + Whether to enable `gpsd', a GPS service daemon. + ''; + }; + + device = mkOption { + default = "/dev/ttyUSB0"; + description = '' + A device may be a local serial device for GPS input, or a URL of the form: + <literal>[{dgpsip|ntrip}://][user:passwd@]host[:port][/stream]</literal> + in which case it specifies an input source for DGPS or ntrip data. + ''; + }; + + readonly = mkOption { + default = true; + description = '' + Whether to enable the broken-device-safety, otherwise + known as read-only mode. Some popular bluetooth and USB + receivers lock up or become totally inaccessible when + probed or reconfigured. This switch prevents gpsd from + writing to a receiver. This means that gpsd cannot + configure the receiver for optimal performance, but it + also means that gpsd cannot break the receiver. A better + solution would be for Bluetooth to not be so fragile. A + platform independent method to identify + serial-over-Bluetooth devices would also be nice. + ''; + }; + + port = mkOption { + default = 2947; + description = '' + The port where to listen for TCP connections. + ''; + }; + + debugLevel = mkOption { + default = 0; + description = '' + The debugging level. + ''; + }; + + }; + + }; + + + ###### implementation + + config = mkIf cfg.enable { + + users.extraUsers = singleton + { name = "gpsd"; + inherit uid; + description = "gpsd daemon user"; + home = "/var/empty"; + }; + + users.extraGroups = singleton + { name = "gpsd"; + inherit gid; + }; + + jobs.gpsd = + { description = "GPSD daemon"; + + startOn = "ip-up"; + + exec = + '' + ${pkgs.gpsd}/sbin/gpsd -D "${toString cfg.debugLevel}" \ + -S "${toString cfg.port}" \ + ${if cfg.readonly then "-b" else ""} \ + "${cfg.device}" + ''; + }; + + }; + +} |