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|
{-
Bustle.Noninteractive: driver for ASCII-art statistics generation
Copyright © 2008–2012 Collabora Ltd.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-}
module Bustle.Noninteractive
( runCount
, runTime
, runDot
)
where
import Prelude hiding (log)
import System.Exit (exitFailure)
import System.IO (hPutStrLn, stderr)
import Data.Maybe (mapMaybe)
import Data.List (nub)
import Control.Monad.Except
import Text.Printf
import Bustle.Loader
import Bustle.Translation (__)
import Bustle.Types
import Bustle.Stats
warn :: String -> IO ()
warn = hPutStrLn stderr
process :: FilePath -> (Log -> [a]) -> (a -> String) -> IO ()
process filepath analyze format = do
ret <- runExceptT $ readLog filepath
case ret of
Left (LoadError _ err) -> do
warn $ printf (__ "Couldn't parse '%s': %s") filepath err
exitFailure
Right (warnings, log) -> do
mapM_ warn warnings
mapM_ (putStrLn . format) $ analyze log
formatInterface :: Maybe InterfaceName -> String
formatInterface = maybe (__ "(no interface)") formatInterfaceName
runCount :: FilePath -> IO ()
runCount filepath = process filepath frequencies format
where
format :: FrequencyInfo -> String
format (FrequencyInfo c t i m) =
printf " %4d %6s %s.%s" c (typeName t) (formatInterface i) (formatMemberName m)
typeName TallyMethod = "method"
typeName TallySignal = "signal"
runTime :: FilePath -> IO ()
runTime filepath = process filepath methodTimes format
where
format :: TimeInfo -> String
format (TimeInfo interface method total ncalls mean) =
printf " %9.4f %3d %9.4f %s.%s" total ncalls mean
(formatInterface interface) (formatMemberName method)
runDot :: FilePath -> IO ()
runDot filepath = process filepath makeDigraph id
where
makeDigraph log = ["digraph bustle {"] ++ makeDigraph' log ++ ["}"]
makeDigraph' log =
[ concat [" \"", unBusName s, "\" -> \"", unBusName d, "\";"]
| (s, d) <- nub . mapMaybe (methodCall . deEvent) $ log
]
methodCall (MessageEvent MethodCall {sender = s, destination = d}) = Just (s, d)
methodCall _ = Nothing
|
