1 import Control.Applicative( (<$>), (<*>), liftA, liftA2 )
2 import Data.DateTime( parseDateTime, startOfTime, diffSeconds, formatDateTime )
3 import Data.List( zip4, zipWith4, transpose )
4 import Data.List.Split( splitOn )
5 import Data.Maybe( fromJust, fromMaybe )
6 import Data.Time.Clock( secondsToDiffTime )
7 import System.Environment( getArgs )
8 import Text.Printf( printf )
10 data HMSTime = HMSTime { hours :: Integer, minutes :: Integer, seconds :: Integer }
11 instance Show HMSTime where
12 show (HMSTime h m s) = printf "%d:%02d:%02d" h m s
14 secondsToHMS :: Integer -> HMSTime
15 secondsToHMS seconds = HMSTime h m s where
16 (mLeft, s) = seconds `divMod` 60
17 (h, m) = mLeft `divMod` 60
19 data DiddoEntry = DiddoEntry { start :: String
24 instance Show DiddoEntry where
25 show (DiddoEntry start finish delta entry) = printf "%s;%s;%s;%s" start finish (show delta) entry
29 logfile_name : timestring_format : _ <- getArgs
30 logfile_lines_split <- map (splitOn ";") . lines <$> readFile logfile_name
32 let [timestrings_finish
34 ] = transpose logfile_lines_split
35 utcTimes_finish = map (fromMaybe (error "Input data broken.") . parseDateTime timestring_format) timestrings_finish
36 entry_deltas_HMMSS = zipWith (\x y -> secondsToHMS $ diffSeconds x y) utcTimes_finish (startOfTime : init utcTimes_finish)
37 diddos_summarized = zipWith4 DiddoEntry ("" : init timestrings_finish) timestrings_finish entry_deltas_HMMSS entries
39 mapM_ print diddos_summarized