From: Anukul Singhal <anukul.singhal@...>
Date: 2009-02-03T11:19:32+09:00
Subject: Re: Socket: Getting EADDRNOTAVAIL in bind method

Gary, thanks for your reply. 114.23.42.42 is the address of my device 
which is not on my local system. My code works fine till I connect to 
the socket, but after that I need to receive buffer from it, for which I 
am not able to use the "recvfrom" method. So, I tried to use "bind" 
method which did not work (since the device is remote but I am able to 
ping it from my local machine and it is also on the same network). Is it 
some way I can receive data from the socket after I connect to it?

Thanks,
Anukul

Gary Wright wrote:
> On Feb 2, 2009, at 4:50 PM, Anukul Singhal wrote:
>>
>> In the last method bind, getting the following error:
>>
>> Test.rb:50:in `bind': The requested address is not valid in its  
>> context.
>> - bind(2) (Errno::EADDRNOTAVAIL)
>>
>> I think I might be missing something elementary here. If anyone can
>> please help with it, would be really grateful.
> 
> 
> Usually you don't pick the local address to bind to but instead
> let the system pick it. Is 114.23.42.42 your local address or is
> the address of the device you are trying to connect to?
> 
> If you are trying to bind a local socket to the address of the
> remote host/device you'll get EADDRNOTAVAIL since the address
> doesn't belong to the local host.
> 
> Gary Wright

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