import qualified OptionalConfiguration as OC (
OptionalConfiguration(..),
merge_maybes )
-import TSN.FeedHosts (FeedHosts(..))
+import FeedHosts (FeedHosts(..))
+-- | The main configuration data type. This will be passed to most of
+-- the important functions once it has been created.
data Configuration =
Configuration {
+ daemonize :: Bool,
feed_hosts :: FeedHosts,
log_file :: Maybe FilePath,
log_level :: Priority,
- password :: String,
output_directory :: FilePath,
+ password :: String,
+ pidfile :: FilePath,
+ run_as_group :: Maybe String,
+ run_as_user :: Maybe String,
syslog :: Bool,
username :: String }
deriving (Show)
-- | A Configuration with all of its fields set to their default
-- values.
instance Default Configuration where
- def = Configuration def def INFO def "." def def
+ def = Configuration {
+ daemonize = def,
+ feed_hosts = def,
+ log_file = def,
+ log_level = INFO,
+ output_directory = ".",
+ password = def,
+ pidfile = "/run/htsn/htsn.pid",
+ run_as_group = def,
+ run_as_user = def,
+ syslog = def,
+ username = def }
--- | Merge a Configuration with an OptionalConfiguration. This is more
--- or less the Monoid instance for OptionalConfiguration, but since
--- the two types are different, we have to repeat ourselves.
+-- | Merge a 'Configuration' with an 'OptionalConfiguration'. This is
+-- more or less the Monoid instance for 'OptionalConfiguration', but
+-- since the two types are different, we have to repeat ourselves.
merge_optional :: Configuration
-> OC.OptionalConfiguration
-> Configuration
merge_optional cfg opt_cfg =
Configuration
+ (merge (daemonize cfg) (OC.daemonize opt_cfg))
all_feed_hosts
(OC.merge_maybes (log_file cfg) (OC.log_file opt_cfg))
(merge (log_level cfg) (OC.log_level opt_cfg))
- (merge (password cfg) (OC.password opt_cfg))
(merge (output_directory cfg) (OC.output_directory opt_cfg))
+ (merge (password cfg) (OC.password opt_cfg))
+ (merge (pidfile cfg) (OC.pidfile opt_cfg))
+ (OC.merge_maybes (run_as_group cfg) (OC.run_as_group opt_cfg))
+ (OC.merge_maybes (run_as_user cfg) (OC.run_as_user opt_cfg))
(merge (syslog cfg) (OC.syslog opt_cfg))
(merge (username cfg) (OC.username opt_cfg))
where