HTTPAPI query about HTTP_URL_POST and best approach.

[mullp mullp <mullp2002@xxxxxxxxxxxx>]

   Hi all,



   I am setting up some basic proof of concept programs. The requirement
   is for a remote system to send transaction via XML to an iseries. The
   iSeries will send an acknowledge of receipt back once it has them . A
   subset of these transactions are cash payments and once the cheque is
   printed at a later date on the iSeries, the cheque number and date
   printed need to be sent back to the source sytem in XML format. All of
   this is not over the internet but over a local network.



   I have successfuly set up the acceptance and acknowledgement of
   transactions using CGI APIs such as read from(QtmhWrStin) and Write to
   Stdout (QtmhWrStout) and so on.



   The proof of concept for sending back a cheque number and date printed
   a proving a bit more of a challenge. My questions are as follows.



   1) Would using the HTTPAPI be the best way to go with this? I was
   thinking of doing something similar to example 4. That is, set up the
   XML transaction and do a HTTP_URL_POST.



   2) I did try and write a simple program myself based on the socket
   tutorial but
   the connect() fails with a message "ECONNREFUSED - The destination
   socket refused an attempted connect operation."  If I key the URL into
   a web browser I get a response. For reasons I am have not be able to
   resolve I cannot resolve domian name servers on the iSeries even
   though everything appears to be configured OK so I am temporarily
   using an IP address and port in my url and I suspect I may be using
   the wrong port number. I need to chase up with the Java programmer who
   set up the server appplication but I wondered though once this is
   resolved would a browser and a procedure such as HTTP_URL_POST be
   treaty by the server in the same manner? Therefore if multiple
   connections were attempted from different locations printing cheque
   would there be a problem? I noted one of the error options on the
   connect() api is "EADDRINUSE - Address already in use" which is why I
   raised this question.



   Any feedback would be appreciated.



   Thanks

   Peter.
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References

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