Re: Communication programs.. -- MIDRANGE-L

i also recommend CPI-C, but the main problems with CPI-C (beign SNA
communications) is the lack of support in TCP/IP only environment (yes you
can run AnyNet with tcp/ip but need to use NS/Router or similar)

Would be nice a way to run CPI-C programs (or these with not too changes)
in an real TCP/IP only environment.
I don't sure if this can be made, i think is needed to develop some types
of winsock (C language) program. also would be great if the functions in
cpi-c (using RPG by example) could be a similiar way to use winsock calls.

-------------
Guillermo Andrades. CPI, Madrid.




----------
> From: PaulMmn <PaulMmn@ix.netcom.com>
> To: MIDRANGE-L@midrange.com
> Subject: Re: Communication programs..
> Date: 26 de noviembre de 1998 5:47
> 
> As an alternative to ICFF, consider CPI-C for comm programs.  CPI-C is
> similar to ICFF, but it's done with program calls instead of writing
> formats to an ICFFile.  As far as performance goes, 4 years ago they
were
> neck and neck, but IBM was to keep improving CPI-C and ignoring ICFF.
> 
> There are some good examples in the CPI-C manual, along with flow
diagrams
> so you get an understanding of how the logic works.  Not really
> complicated, but a lot of detail:  you start with the basics, then add
> additional details for security, error handling, etc.
> 
> You can consider either type of comm program to be just like a telephone
call:
>       Look up number
>       Dial Number
>       Wait for ring
>       Wait for answer
>       You there?
>       Yeah, I"m here.
>       Here's some data.
>       got it.
>       Here's some more
>       got it.
>       you sure you got it?
>       I'm sure.
>       OK, I'm hanging up
>       Thanks, talk to ya later
>       *click*
> 
> 
> --Paul E Musselman
> PaulMmn@ix.netcom.com
> 
> 
> 
> >Hi all,
> >
> >How do ICFF programs work?  Does it have to be a C program or could I
write
> >this in RPG too (Is there an example somewhere in the Redbooks that I
could
> >use)?  I tried to write a program in RPG and had problems in F spec
with
> >this file.  I could not define this as workstation and use the write
Evoke
> >record.  When I defined this as a Special file, the program compiled
but had
> >problems while running. Could someone throw some light on this please? 
Here
> >is what I have for each sending & receiving end :
> >
> >
> >- An ICFF file.
> >- A workstation file for Menus & other options.
> >- A CL to overlay the Pgm Dev Entry OVRICFDEVE and call to the (RPG)
> >program.
> >- RPG to actually receive/write the ICFF & workstation file.
> >
> >Again, should dataques be used with ICFF files?   How will they improve
the
> >performance?
> >
> >Any and all help would be appreciated.
> >
> >Thanks,
> >Sudha
> 
> 
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