From 39f9a1fc168196d4def8b87d0c7a5107b2b48e11 Mon Sep 17 00:00:00 2001
From: Andrea Rossato <andrea.rossato@ing.unitn.it>
Date: Thu, 5 Jul 2007 15:19:49 +0200
Subject: updated to use the new Common.hs and split the swap part in a new
 monitor

darcs-hash:20070705131949-d6583-b9f1ebb8b27f2de5d0b694b596375050629cc24a.gz
---
 Monitors/Mem.hs | 98 +++++++++++++++++++--------------------------------------
 1 file changed, 32 insertions(+), 66 deletions(-)

diff --git a/Monitors/Mem.hs b/Monitors/Mem.hs
index d8bd601..87f53b1 100644
--- a/Monitors/Mem.hs
+++ b/Monitors/Mem.hs
@@ -14,86 +14,52 @@
 
 module Main where
 
-import Numeric
+import Monitors.Common
 
-data Config = 
-    Config { memNormal :: Integer
-           , memNormalColor :: String
-           , memCritical :: Integer
-           , memCriticalColor :: String
-           , swapNormal :: Integer
-           , swapNormalColor :: String
-           , swapCritical :: Integer
-           , swapCriticalColor :: String
-           }
+import Data.IORef
 
-defaultConfig :: Config
-defaultConfig = 
-    Config { memNormal = 80
-           , memNormalColor =  "#00FF00" 
-           , memCritical = 90
-           , memCriticalColor =  "#FF0000"
-           , swapNormal = 15
-           , swapNormalColor = "#00FF00" 
-           , swapCritical = 50
-           , swapCriticalColor = "#FF0000" 
-           }
-config :: Config
-config = defaultConfig
-
--- Utilities
-
-takeDigits :: Int -> Float -> Float
-takeDigits d n = 
-    read $ showFFloat (Just d) n ""
-
-floatToPercent :: Float -> String
-floatToPercent n = 
-    showFFloat (Just 2) (n*100) "%" 
+monitorConfig :: IO MConfig
+monitorConfig = 
+    do lc <- newIORef "#BFBFBF"
+       l <- newIORef 300
+       nc <- newIORef "#00FF00"
+       h <- newIORef 500
+       hc <- newIORef "#FF0000"
+       t <- newIORef "Mem: <usedratio>% (<cache>M)"
+       p <- newIORef package
+       u <- newIORef ""
+       a <- newIORef []
+       e <- newIORef ["total", "free", "buffer", "cache", "rest", "used", "usedratio"]
+       return $ MC nc l lc h hc t p u a e
 
 fileMEM :: IO String
 fileMEM = readFile "/proc/meminfo"
 
 parseMEM :: IO [Float]
-parseMEM = 
+parseMEM =
     do file <- fileMEM 
-       let content = map words $ take 13 $ lines file
-           [total, free, buffer, cache,_,_,_,_,_,_,_,swapTotal,swapFree] = map (\line -> (read $ line !! 1 :: Float) / 1024) content
+       let content = map words $ take 4 $ lines file
+           [total, free, buffer, cache] = map (\line -> (read $ line !! 1 :: Float) / 1024) content
            rest = free + buffer + cache
            used = total - rest
            usedratio = used * 100 / total
-           swapRatio = 100 - (swapFree / swapTotal * 100)
-       return [total, free, buffer, cache, rest, used, usedratio, swapFree, swapRatio]
+       return [total, free, buffer, cache, rest, used, usedratio]
 
+formatMem :: [Float] -> Monitor [String]
+formatMem x =
+    do let f n = show (takeDigits 2 n)
+       mapM (showWithColors f) x
 
-formatMem :: [Float] -> String 
-formatMem [] = ""
-formatMem (total:_:buffer:cach:_:used:_:_:swapRatio:_) =
-    "Ram: " ++ ram ++ " cached: " ++ cache ++ " Swap: " ++ swap
-        where (memN,memC,swapN,swapC) = (fromIntegral $ memNormal config,fromIntegral $ memCritical config
-                                        , fromIntegral $ swapNormal config, fromIntegral $ swapCritical config)
-              m = floatToPercent ((used + buffer + cach) / total)
-              sw = show (takeDigits 2 swapRatio) ++ "%"
-              cache = show (takeDigits 2 cach) ++ "Mb"
-              ram | (used / total * 100) >= memC = setColor m memCriticalColor
-                  | (used / total * 100) >= memN = setColor m memNormalColor
-                  | otherwise = floatToPercent (used / total)
-              swap | swapRatio >= swapC = setColor sw swapCriticalColor
-                   | swapRatio >= swapN = setColor sw swapNormalColor
-                   | otherwise = sw
-formatMem _ = ""
+package :: String
+package = "xmb-mem"
 
-setColor :: String -> (Config -> String) -> String
-setColor str ty =
-    "<fc=" ++ ty config ++ ">" ++
-    str ++ "</fc>"
+runMem :: [String] -> Monitor String
+runMem _ =
+    do m <- io $ parseMEM
+       l <- formatMem m
+       parseTemplate l 
     
-mem :: IO String
-mem =
-    do m <- parseMEM
-       return $ formatMem m
-
 main :: IO ()
 main =
-    do m <- mem
-       putStrLn m
\ No newline at end of file
+    do let af = runMem []
+       runMonitor monitorConfig af runMem
-- 
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