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Regarding Pipe Allocation to Establish Communication

 
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harsh singh

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Joined: 11 Dec 2007
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Location: INDIA

PostPosted: Tue Nov 10, 2009 7:25 pm    Post subject: Regarding Pipe Allocation to Establish Communication
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Hi,
I am trying to design a program to communicate between Non CICS Environment and CICS Environment. For this design I am Trying to deploy EXCI Adapter concept.
While going thru IBM Manuals i found that i need to define Copybook DFHXCPLO and DFHXCRCO for receiving Parameter list and Return code Respectively. I tried to search the above copybook to get its layout and other description but was not able to collect much information.

Any description or other sharing is highly appreciated.

Basically I am looking for its layout, its functionality, what is the role it plays in application program in Pipe build architecture, other info which you like to share with me.
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Robert Sample

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Joined: 06 Jun 2008
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Location: Bellevue, IA

PostPosted: Tue Nov 10, 2009 7:44 pm    Post subject:
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Quote:
i need to define Copybook DFHXCPLO and DFHXCRCO for receiving Parameter list and Return code Respectively
Actually, these copy books are defined in the CICS COBOL copybook library -- you do not define them yourself. This library's name will depend upon your site standards so you will need to get your site support group to tell you the name of the library. Add it to your compile JCL COBOL SYSLIB and the COBOL COPY statement will be resolved. Once you do that, you can see for yourself what the copy books contain.
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harsh singh

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PostPosted: Tue Nov 10, 2009 7:49 pm    Post subject:
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Thank You Robert.. I will get in touch with my site support group to view these copybooks, but one more think was clicking me. IS this copybook remain same irrespective of project, shop and account or can we customrize it according to our need.

Thank You
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Robert Sample

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PostPosted: Tue Nov 10, 2009 7:56 pm    Post subject:
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The copy books provide a representation of the data CICS passes back to your program -- since you do not have the source for the programs that set the various fields in the copy books, exactly how do you think you are going to customize them? You can, of course, add more fields to the copy books but these fields will not be populated by CICS or any other part of the system since the new fields are not known by any system program. Furthermore, any changes you make to them would have to be made every time a new release of CICS is installed -- or possibly whenever maintenance is applied to your CICS system -- as your changes would not be reflected in what IBM sends out.
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Earl Haigh

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Joined: 25 Jul 2006
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PostPosted: Wed Nov 11, 2009 11:18 pm    Post subject:
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Quote:
I am trying to design a program to communicate between Non CICS Environment and CICS Environment


You should really discuss with your CICS tech support people, as you are crossing into an area that is normally controlled by CICS systems programmer.

In addition,
You might want to consider other possibilities for EXCI:

http://cicswiki.org/cicswiki1/index.php?title=How_do_I_interact_with_a_transaction_from_a_batch_program%3F
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