2012/2/1 Ertugrul Söylemez <[email protected]>: > Hello there, > > I have tried to implement a simple echo server using the network-conduit > library version 0.2.1. This is the code: > > module Main where > > import Data.Conduit > import Data.Conduit.Network > > main :: IO () > main = runTCPServer (ServerSettings 4000 Nothing) ($$) > > It works, but at some point it dies with too many open files, even > though I never open two connections simultaneously: > > % ./echo-server > echo-server: accept: resource exhausted (Too many open files) > > Apparently it fails to close the sockets properly. This is the client > side code I have used for testing in GHCi: > > > :m Network Control.Monad System.IO > > replicateM_ 512 (connectTo "127.0.0.1" (PortNumber 4000) >>= > hClose) > > I'm running the action once, then wait a few seconds to give the server > a chance to close the handles. Then I run it again, causing the server > program to die with the above mentioned error message. > > Am I doing something wrong or is this a bug in network-conduit?
This part of network-conduit is very new so bugs are expected. Michael, it seems that runTCPServer [1] should setup a release key on the ResourceT in order to close the socket after app finishes, right? Cheers! =) [1] http://hackage.haskell.org/packages/archive/network-conduit/0.2.1/doc/html/src/Data-Conduit-Network.html#runTCPServer -- Felipe. _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
