Re: Data queue to web app

Look at some the manuals/documentation for IBMs MQ Series
web offerings as theyare based on the que theory

At 08:39 AM 12/1/99 -0800, you wrote:
>Wayne,
>
>I can't answer the questions about ADO, but check the Max frame size on
>your AS/400's ethernet line description. You might need to increase it
>to handle larger buffers of data without breaking up the TCP frame.
>
>Patrick
>
>Wayne Capwell wrote:
>>
>> Hello,
>> We have modified a group of RPG programs to use data queues instead of
>> display files to communicate with an internet connected browser. We
>> created physical files that emulate the display file formats and send
>> and receive the data queues in the RPG programs instead of reading and
>> writing the display file formats. We create the data queues on the
>> AS/400 with a length of 2000 characters.
>>
>> On the web server side, we created a dll using Visual Basic 6.0 and
>> Microsoft ADO objects to receive the data queue information and present
>> it to our server application. The web application parses the data queue
>> string into the browser pages. We also have prefined character strings
>> that emulate the function keys, etc. that sends data back to the
>> AS/400, so the RPG program can complete the read data queue function
>> and continue with its normal processing.
>>
>> All works well when we send less than 680 characters of data. However,
>> when the RPG program sends more than 680, the VB dll get an "Automation
>> Error" and ceases processing. We have tried several iterations of the
>> VB with the same results. We know the data queue contains all the
>> information on the AS/400 side.
>>
>> If anyone knows of this problem or even knows of a resource in IBM or
>> Microsoft that can help, I would greatly appreciate the help.
>> Here are our questions:
>>
>> 1) What version of ADO is recommended? The app currently uses Microsoft
>> OLE DB ADO Library 1.0. All other versions of ADO we try crashes. Are
>> all versions of ADO supported?
>>
>> 2) Why can we send 2000 characters to the data queue, but only receive
>> approx. 680 characters? This causes an "Automation Error". Why?
>>
>> 3). Could they provide code samples of using ADO to communicate with
>> AS400 data queues. We used samples from IBM's web site to develop what
>> we are using now. Any examples in particular of moving large record sets
>> to and from data queues. All samples from IBM's web site sends and
>> receives
>> small amounts of data.
>>
>> TIA
>>
>> Wayne
>> --
>> ______________________________________
>> Wayne W. Capwell
>> Red Oak Technologies, Inc.
>> 11301 Carmel Commons Blvd., Suite 114
>> Charlotte, NC 28226
>> 704-945-1067
>>
>> Manufacturing...Production...Solutions
>> http://www.redoaktech.com/
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>
>--
>IBM AS/400 communications, FTP automation, and network security
>software and consulting services.
>
>http://www.patownsend.com
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Happy Holidays,

Glenn
__________________________________
Glenn Ericson,
IBM Certified Specialist
Phoenix Consulting LLC
East Elmhurst NY 11370-3164 USA
Phone 718 898 9805 Fax 718 446 1150
mailto:Glenn-Ericson@att.net
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