RSC/MP Programming Manual

RSC/MP Sessions The IDS Session Type
requester controls transactions. To use TMF with a user-supplied IDS requester, that
requester should do the following:
Use the TMF software to manage the message passed to the Pathway server.
Utilize the Guardian BEGINTRANSACTION, ABORTTRANSACTION, and
ENDTRANSACTION procedure calls (SCREEN COBOL), as indicated by the TMF
information in the application message.
The RSC/MP installation on the NonStop system includes sample IDS code.
The figure below shows the message flow for an IDS session.
Figure 4-1. Message Flow for an IDS Session
Clien t
RscBeginSession
RscWriteRead
Reply accepted
RscEndSession
TDP
AD D PATHWAY TERM
START PATHWAY TERM
Reply (to TCP)
Reply t o client
STOP PATHWAY TERM
DELET E PATHWAY TERM
Pa t hway TCP
I DS send message
Send t o server
I DS send message
Pa t hway Server
Message on
$RECEIVE
Server reply
CD T004
HP NonStop Remote Server Call (RSC/MP) Programming Manual — 522360-006
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