Re: Internet Connection Sensor

[Luis Rodriguez <luisro58@xxxxxxxxx>]

Gerry,

Check Scott Klement's site (www.scottklement.com) It has some nice examples
of sockets programming...

Luis Rodriguez
IBM Certified Systems Expert — eServer i5 iSeries


On Wed, Jan 20, 2010 at 11:41 AM, Chris Bipes
<chris.bipes@xxxxxxxxxxxxxxx>wrote:

> I would use the basic socket open.  If you cannot open the remote host,
> the service is unavailable.  (whether it be the internet is down or
> their server is down does not matter.)  If you can connect, close the
> connection and submit the transaction.
>
> Not knowing exactly how you post the transaction, but assuming it is an
> HTTP(s) post.
>
> If you have not performed any socket programming, you may want to look
> at various shareware sites for the iSeries and find an API that will
> test a connection for you.
>
> Chris Bipes
> Director of Information Services
> CrossCheck, Inc.
>
> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
> GKern@xxxxxxxxxxxxxxxx
> Sent: Wednesday, January 20, 2010 7:57 AM
> To: midrange-l@xxxxxxxxxxxx; rpg400-l@xxxxxxxxxxxx
> Subject: Internet Connection Sensor
>
> Not sure if this is the correct place to ask so I cross posted in
> midrange and rpg-l:
>
> Yesterday our internet provider had an outage that affected their
> customers within a large portion of the city. Consequently we were
> affected too.
>
> We have an RPG application that accepts credit card payments and then
> uses Payware Transact from Verifhone to process the payment. But when
> the internet connection died we didn't get any response from the
> transactions that were in process when the internet connection died.
>
> So the question becomes this: Is there a way (from RPG) to detect that
> the internet connection is active before submitting the transaction? I
> know that this wouldn't be foolproof because the internet connection
> could be lost immediately after a successful 'detection attempt'. But
> this would at least enable us to detect and notify users when the
> internet connection is down, which would limit the number of
> transactions that would not receive a response.
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