[Cse461] Fishnet under Mac OS X.3

From: David C. Kasprzyk (joragan_at_cs.washington.edu)
Date: Sat Jan 31 2004 - 15:36:55 PST

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    For anyone out there that's had problems running fishnet under OS X, I
    think I may have found a work around for at least one of the problems.
    I had encountered an issue when trying to run a fishnet emulation,
    where running:

    ruby fishnet.rb emulate 9000 localhost:10000

    would connect to the trawler, but then always crash with the following
    error:

    fishnet: Got fishAddr 0 from trawler.
    fishnet: Binding to 128.208.7.136:9000.
    ./physical.rb:89:in `addr': getnameinfo: System error (SocketError)
             from ./physical.rb:89:in `start'
             from ./physical.rb:87:in `map'
             from ./physical.rb:87:in `each'
             from ./physical.rb:87:in `map'
             from ./physical.rb:87:in `start'
             from fishnet.rb:130:in `main'
             from fishnet.rb:133

    What I found is that this seems to occur only if your using DHCP (on a
    server assigned IP?). If you manually setup up your TCP/IP settings,
    this error is not encountered and you can run the emulation. Hope this
    helps.

    David Kasprzyk
    joragan_at_cs.washington.edu

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