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semantic/src/GitmonClient.hs

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{-# LANGUAGE RecordWildCards, BangPatterns #-}
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module GitmonClient where
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import Prologue hiding (toStrict)
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import Prelude
import Data.Aeson
import Data.Aeson.Types
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import Git.Libgit2
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import Network.Socket
import Network.Socket.ByteString (sendAll)
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import Data.ByteString.Lazy (toStrict)
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data ProcessStats =
ProcessBeforeStats { gitDir :: String
, program :: String
, realIP :: Maybe String
, repoID :: Maybe String
, repoName :: Maybe String
, userID :: Maybe String
, via :: String }
| ProcessAfterStats { cpu :: Integer
, diskReadBytes :: Integer
, diskWriteBytes :: Integer
, resultCode :: Integer } deriving (Generic, Show)
instance ToJSON ProcessStats where
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toJSON = genericToJSON defaultOptions { fieldLabelModifier = camelTo2 '_' }
data GitmonCommand = Update
| Finish
| Schedule deriving (Show)
instance ToJSON GitmonCommand where
toJSON command = String $ case command of
Update -> "update"
Finish -> "finish"
Schedule -> "schedule"
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data GitmonMsg = GitmonMsg { command :: GitmonCommand, stats :: ProcessStats } deriving (Show)
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instance ToJSON GitmonMsg where
toJSON GitmonMsg{..} = object [
"command" .= command,
"data" .= stats
]
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processJSON :: GitmonCommand -> ProcessStats -> ByteString
processJSON command stats = toStrict . encode $ GitmonMsg command stats
reportGitmon :: ReaderT LgRepo IO a -> ReaderT LgRepo IO a
reportGitmon command = do
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soc <- liftIO $ socket AF_UNIX Stream defaultProtocol
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safeIO $ connect soc (SockAddrUnix "/tmp/gitstats.sock")
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safeIO $ sendAll soc (processJSON Update ProcessBeforeStats { gitDir = "/Users/vera/github/test-js" , via = "semantic-diff" , program = "fetch-tree" , realIP = Just "127.0.0.1" , repoID = Just "128302" , repoName = Just "test-js" , userID = Just "120983" })
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!result <- command
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safeIO $ sendAll soc (processJSON Finish ProcessAfterStats { cpu = 100, diskReadBytes = 1000, diskWriteBytes = 1000, resultCode = 0 })
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safeIO $ close soc
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return result
where safeIO :: MonadIO m => IO () -> m ()
safeIO command = liftIO $ command `catch` noop
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noop :: IOException -> IO ()
noop _ = return ()