From: Daniel Berger <djberg96@...>
Date: 2008-08-06T08:43:43+09:00
Subject: Re: rb_sys_fail(socket(2)) - errno == 0

Glen Holcomb wrote:
> On Tue, Aug 5, 2008 at 12:34 PM, Phill Davies <binary011010@verizon.net>wrote:
> 
>> You can use Ping from the Ruby standard library.
>>
>> require 'ping'
>> Ping.pingecho "google.com", <timeout>, <port>
>>
>> Where timeout is the number of seconds to wait for a reply (defaults to
>> 5) and port is the port to use (defaults to the 'echo' port)
>>
>>
>> Unless you have something more specific you are trying to do this ought
>> to work.
>>
>> Glen Holcomb wrote:
>>> That is the error message I get when I try either of these methods for
>>> creating an ICMP packet:
>>>
>>> socket = Socket.new(Socket::PF_INET, Socket::SOCK_RAW,
>>> Socket::IPPROTO_ICMP)
>>>
>>> or
>>>
>>> with net-ping
>>>
>>> icmp = Ping::ICMP.new('machine_name')
>>>
>>> icmp.ping?
>>>
>>> I am on Windows XP.  The account I'm logged in as has local
>>> administrator
>>> rights.
>>>
>>>
>>> What I'm trying to do is check to see if a system is up before I try and
>>> make a WIN32OLE connection to it as they take forever to time-out

It's a problem with the socket.so file that ships with the one click 
installer. Take a look at this ticket for more information:

http://rubyforge.org/tracker/?func=detail&group_id=167&aid=9438&atid=715

Regards,

Dan