1. Mainframe Adapter for SNA Reference Guide
  2. Application-to-Application Programming Examples
  3. Distributed Transaction Processing (DTP) Examples
  4. ATMI Client Request/Response to CICS/ESA DTP

2.2.1 ATMI Client Request/Response to CICS/ESA DTP

Figure 2-10 DMCONFIG File Entry


DMCONFIG File Entry

  1. ATMI client invokes toupsrv service.
  2. The toupsrv service issues tpcall for SIMPDTP, which is advertised in the DM_REMOTE_SERVICES section of DMCONFIG file.
  3. User transaction DTPS starts TOUPDTPS program.
  4. It is recommended you save the eibtrmid to a program variable. This value may be used to identify the specific conversation in your CICS/ESA APPC verbs.
  5. The EXEC CICS RECEIVE command receives the idata buffer contents for processing.
  6. The TOUPDTPS program processes data.
  7. The EXEC CICS SEND command returns the OUT-BUFFER contents into the clients odata buffer. LAST indicates the conversation is finished. WAIT suspends processing until the data has successfully been received.

Parent topic: Distributed Transaction Processing (DTP) Examples