[usocket-devel] Announcing ip-interfaces (was: Re: Determining the local host address from wildcard host)

[Elliott Slaughter]

A project page for ip-interfaces has been put up on common-lisp.net:

http://common-lisp.net/project/ip-interfaces/

<http://common-lisp.net/project/ip-interfaces/>Enjoy.

On Sun, Mar 21, 2010 at 10:27 AM, Elliott Slaughter <
elliottslaughter at gmail.com> wrote:

> On Mon, Mar 8, 2010 at 12:08 PM, Elliott Slaughter <
> elliottslaughter at gmail.com> wrote:
>
>> On Mon, Mar 8, 2010 at 10:50 AM, R. Matthew Emerson <rme at clozure.com>wrote:
>>
>>>
>>> On Mar 7, 2010, at 2:36 PM, Elliott Slaughter wrote:
>>>
>>> > What I am actually trying to do is to search for other nodes on the
>>> local network which are also running my application. My idea was to
>>> construct one or more broadcast addresses, send UDP packets to each of them,
>>> and listen for responses. This may not be the best way to go about this (and
>>> suggestions would be appreciated), but if I choose this route, I would want
>>> to know the IP address of each of the interfaces together with its subnet
>>> mask.
>>> >
>>> > On 2010-03-07, at 07:20 , Elliott Slaughter wrote:
>>> >
>>> > if you really need this, you might look at the implementation for
>>> %get-ip-interfaces in clozure.
>>> > it uses getifaddrs in a fairly transparent manner, so, if you're
>>> unix-based, you should be ok with it.
>>> >
>>> > I need this to work on Windows and *nix, which is why I can't use IOlib
>>> or other Unix-based solutions. That said, Clozure does run on Windows, so
>>> hopefully the code you mentioned has already been ported.
>>>
>>> There's an internal function ccl::%get-ip-interfaces that's
>>> conditionalized for a bunch of platforms.  I can't really recommend that you
>>> use it, of course, but it might be something to look at.
>>>
>>
>> I glanced over the source briefly, and might give porting it to CFFI a
>> shot when I can find some free time.
>>
>
> I've ported the code to CFFI, and tested on SBCL, CCL, ECL, and Allegro on
> Mac OS X, SBCL on Linux, and SBCL on Windows. The source code is available
> as a darcs repository at:
>
> http://common-lisp.net/~eslaughter/darcs/ip-interfaces/
>
> The code is licensed under the LLGPL to maximize license compatibility with
> Clozure CL.
>
> --
> Elliott Slaughter
>
> "Don't worry about what anybody else is going to do. The best way to
> predict the future is to invent it." - Alan Kay
>



-- 
Elliott Slaughter

"Don't worry about what anybody else is going to do. The best way to predict
the future is to invent it." - Alan Kay
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