Brian Candler
5/30/2007 8:18:00 PM
On Thu, May 31, 2007 at 03:17:57AM +0900, Rick Fiorentino wrote:
> Hi All,
>
> I tried looking up answers for this with little success...any help is
> appreciated, bear with my newness to Ruby.
>
> The application I am working on can store ip addresses in a DB. They are
> accessed by different platforms so the plan is to store IPs in network
> order and display as host order.
>
> I cannot find the following routines in ruby land to aid with the
> process:
>
> inet_addr - to store the IP as network ordered
> inet_ntoa - to retrieve the IP as host ordered
>
> How do people deal with these conversions? I assume dealing with Endian
> issues affects several of you folks?
>
> Any help is greatly appreciated...sorry if this has been covered before.
Look at:
ri Array#pack
ri String#unpack
In particular, conversion "N" will pack as four bytes in network order
(big-endian)