1 files changed, 38 insertions, 31 deletions
diff --git a/src/Sproxy/Logging.hs b/src/Sproxy/Logging.hs
index 651a73a..93bc355 100644
--- a/src/Sproxy/Logging.hs
+++ b/src/Sproxy/Logging.hs
@@ -1,12 +1,12 @@
-module Sproxy.Logging (
-  LogLevel(..)
-, debug
-, error
-, info
-, level
-, start
-, warn
-) where
+module Sproxy.Logging
+  ( LogLevel(..)
+  , debug
+  , error
+  , info
+  , level
+  , start
+  , warn
+  ) where
 
 import Prelude hiding (error)
 
@@ -15,13 +15,13 @@ import Control.Concurrent (forkIO)
 import Control.Concurrent.Chan (Chan, newChan, readChan, writeChan)
 import Control.Monad (forever, when)
 import Data.Aeson (FromJSON, ToJSON)
+import qualified Data.Aeson as JSON
 import Data.Char (toLower)
 import Data.IORef (IORef, newIORef, readIORef, writeIORef)
+import qualified Data.Text as T
 import System.IO (hPrint, stderr)
 import System.IO.Unsafe (unsafePerformIO)
 import Text.Read (readMaybe)
-import qualified Data.Aeson as JSON
-import qualified Data.Text as T
 
 start :: LogLevel -> IO ()
 start None = return ()
@@ -34,16 +34,15 @@ start lvl = do
 info :: String -> IO ()
 info = send . Message Info
 
-warn:: String -> IO ()
+warn :: String -> IO ()
 warn = send . Message Warning
 
-error:: String -> IO ()
+error :: String -> IO ()
 error = send . Message Error
 
 debug :: String -> IO ()
 debug = send . Message Debug
 
-
 send :: Message -> IO ()
 send msg@(Message l _) = do
   lvl <- level
@@ -62,38 +61,46 @@ logLevel = unsafePerformIO (newIORef None)
 level :: IO LogLevel
 level = readIORef logLevel
 
-
-data LogLevel = None | Error | Warning | Info | Debug
+data LogLevel
+  = None
+  | Error
+  | Warning
+  | Info
+  | Debug
   deriving (Enum, Ord, Eq)
 
 instance Show LogLevel where
-  show None    = "NONE"
-  show Error   = "ERROR"
+  show None = "NONE"
+  show Error = "ERROR"
   show Warning = "WARN"
-  show Info    = "INFO"
-  show Debug   = "DEBUG"
+  show Info = "INFO"
+  show Debug = "DEBUG"
 
 instance Read LogLevel where
   readsPrec _ s
-        | l == "none"  = [ (None,    "") ]
-        | l == "error" = [ (Error,   "") ]
-        | l == "warn"  = [ (Warning, "") ]
-        | l == "info"  = [ (Info,    "") ]
-        | l == "debug" = [ (Debug,   "") ]
-        | otherwise = [ ]
-        where l = map toLower s
+    | l == "none" = [(None, "")]
+    | l == "error" = [(Error, "")]
+    | l == "warn" = [(Warning, "")]
+    | l == "info" = [(Info, "")]
+    | l == "debug" = [(Debug, "")]
+    | otherwise = []
+    where
+      l = map toLower s
 
 instance ToJSON LogLevel where
   toJSON = JSON.String . T.pack . show
 
 instance FromJSON LogLevel where
   parseJSON (JSON.String s) =
-    maybe (fail $ "unknown log level: " ++ show s) return (readMaybe . T.unpack $ s)
+    maybe
+      (fail $ "unknown log level: " ++ show s)
+      return
+      (readMaybe . T.unpack $ s)
   parseJSON _ = empty
 
-
-data Message = Message LogLevel String
+data Message =
+  Message LogLevel
+          String
 
 instance Show Message where
   show (Message lvl str) = show lvl ++ ": " ++ str
-