40 lines
987 B
Haskell
40 lines
987 B
Haskell
{-# OPTIONS -XOverloadedStrings #-}
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import Network.AMQP
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import qualified Data.ByteString.Lazy.Char8 as BL
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import Control.Concurrent (threadDelay)
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main :: IO ()
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main = do
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conn <- openConnection "127.0.0.1" "/" "guest" "guest"
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ch <- openChannel conn
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declareQueue ch newQueue {queueName = "task_queue",
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queueAutoDelete = False,
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queueDurable = True}
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qos ch 0 1
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putStrLn " [*] Waiting for messages. to Exit press CTRL+C"
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consumeMsgs ch "task_queue" Ack deliveryHandler
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-- waits for keypresses
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getLine
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closeConnection conn
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deliveryHandler :: (Message, Envelope) -> IO ()
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deliveryHandler (msg, metadata) = do
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putStrLn $ " [x] Received " ++ body
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-- threadDelay (1000 * n)
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putStrLn $ " [x] Done"
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ackEnv metadata
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where
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body = (BL.unpack $ msgBody msg)
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n = countDots body
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countDots :: [Char] -> Int
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countDots s = length $ filter (\c -> c == '.') s
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