CurryInfo: cpns-3.0.0 / Network.CPNS.cpnsAlive
definition: 
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cpnsAlive :: String -> IO Bool
cpnsAlive host = catch tryPingCPNS (\_ -> return False)
where
tryPingCPNS = do
h <- connectToSocket host cpnsSocket
hPutStrLn h (show Ping)
hFlush h
answer <- hWaitForInput h cpnsTimeOut
hClose h
return answer
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demand:
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no demanded arguments |
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deterministic:
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deterministic operation |
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documentation:
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Tests whether the CPNS demon at a host is alive, i.e., reacts on `Ping` message. |
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failfree:
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_ |
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indeterministic:
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referentially transparent operation |
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infix:
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no fixity defined |
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iotype:
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{(_) |-> _}
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name:
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cpnsAlive |
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precedence:
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no precedence defined |
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result-values:
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_ |
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signature:
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String -> Prelude.IO Prelude.Bool |
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solution-complete:
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operation might suspend on free variables |
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terminating:
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possibly non-terminating |
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totally-defined:
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possibly non-reducible on same data term |