Hello Adam, Maybe you could use the binary package [1] to always encode the portNumber, etc. in network byte order? Such as available put/get functions: putWord16be :: Word16 -> Put
Hope this helps... __ Donnie 1. http://hackage.haskell.org/cgi-bin/hackage-scripts/package/binary-0.4.1 On 3/7/08, Adam Langley <[EMAIL PROTECTED]> wrote: > > On Fri, Mar 7, 2008 at 8:10 AM, Scott Bell <[EMAIL PROTECTED]> wrote: > > my test program. The Haskell version, however, does not > > return from recvFrom. I've also tried wrapping this in a > > withSocketsDo, with no effect. > > > So this is a long standing, ah, issue with the Network modules. > > Try sending a UDP packet to port 45607 and you'll find that the > Haskell code gets it. > > hex(45607) = 0xb227 > 0x27b2 = 10162 > > In short, PortNum doesn't do the endian conversion for you. And I > don't know a good way to figure out the endianness of the underlying > system from Haskell I'm afraid. I usually end up FFIing out to htons > or just assuming that the system is little-endian. > > We should really fix this unless there's some trick that I've been > missing all this time. > > > AGL > > > -- > Adam Langley [EMAIL PROTECTED] http://www.imperialviolet.org > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe >
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