RE: MQPUT and MQGET API

["Rooney, Michael P" <michael.p.rooney@xxxxxxxxxxxxx>]

Jean Claude,

Glad to hear of your success.

Three minor points that I'd just like to bring to your attention:

1. As the MQ API accepts a "pointer" (i.e. parm 7) on the MQPUT call, there are 
no restrictions
in supplying an array, DS or field.  This also applies to the MQPUT1 call.
2. I would caution against providing 9999 as your buffer-length (parm 6) as it 
wastes space and
bandwidth.  I have seen this have serious negative impact to overall throughout.
3. If you are providing 9999 as your buffer-length, the recipient must either 
provide for a
9999 message buffer on their MQGET or specify "accept truncated message" as 
part of their MQGMO
structure.

Regards,

Michael Rooney
Citigroup International

    

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx]On Behalf Of MITTELHEISSER Jean
Claude
Sent: Monday, June 21, 2004 9:47 AM
To: Midrange Systems Technical Discussion
Subject: RE: MQPUT and MQGET API


Hi,

What I have done :
I use an array :
     E                    BUF      9999  1
So I can access each byte of BUF. And it works because MQPUT accepts this array 
as message data.

If somebody is interested by the code of my program I can send it. Surely not 
optimized but it works.

Thanks everybody.
Best regards.

-----Message d'origine-----
De : midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx]De la part de Joe Pluta
Envoyé : vendredi 18 juin 2004 19:03
À : 'Midrange Systems Technical Discussion'
Objet : RE: MQPUT and MQGET API


> From: MITTELHEISSER Jean Claude
> 
> Thanks but I can't do that, because buffer has not a fixed structure.
The
> part I want to modify can be on position 15 one time and next time on
> position 16.

Jean Claude, have you tried using a BASED variable?

D MyBuffer        s            128                
D MyPackedField   s              5p 0 based(pField)
                                                  
/free                                            
  pField = %addr(MyBuffer) + 15;            
  MyPackedField = 123;                    
 /end-free                                        

This will update positions 16 thru 18 of the buffer with x'00 12 3F'.

Joe

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