From: Anjum Pathan <anjum.pathan@...>
Date: 2007-01-17T19:38:16+09:00
Subject: Re: Socket errors

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thnx bruce..

On 1/17/07, Bruce Woodward <bruce.woodward@gmail.com> wrote:
>
> Howdy,
>
> The documentation for Socket#accept gives an example of a ruby script
> to bind to a socket and listen for incoming connections. Unfortunately
> the script fails with the bind method.
>
> Here is the script with the addition of the line to display the
> returned value from the Socket.pack_sockaddr_in call.
>
> #!/usr/bin/env ruby
> # In one script, start this first
> require 'socket'
> include Socket::Constants
> socket = Socket.new( AF_INET, SOCK_STREAM, 0 )
> sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' )
> p sockaddr
> socket.bind( sockaddr )
> socket.listen( 5 )
> client, client_sockaddr = socket.accept
> puts "The client said, '#{socket.readline.chomp}'"
> client.puts "Hello from script one!"socket.close
>
> Here is the output;
>
>
> "\034\036\b\230\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000"
> ./r.rb:9:in `bind': Invalid argument - bind(2) (Errno::EINVAL)
>               from ./r.rb:9
>
> bruce:~/tmp$ uname -aDarwin carlpowerbook 8.8.0 Darwin Kernel Version
> 8.8.0: Fri Sep  8 17:18:57 PDT 2006;
> root:xnu-792.12.6.obj~1/RELEASE_PPC Power Macintosh powerpc
> bruce:~/tmp$ ruby -vruby 1.8.5 (2006-08-25) [powerpc-darwin8.8.0]
>
> I tried the same code on a Solaris 9 box at work and got a similar
> error message.
>
> However this code works with Linux (ubuntu) with the same version of
> ruyb (1.8.5)
>
> Has anyone heard of this or similar problems before?
>
> thanks,
> Bruce.
>
>


-- 
Regards,
AnJuM PaThAn

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