2.1.8 Transactional CICS/ESA DPL to ATMI Request/Response Server

Figure 2-8 DMCONFIG File Entry


DMCONFIG File Entry

  1. User-entered H2PL invokes MIRRDPLC program.
  2. The EXEC CICS LINK command causes the advertised service mapped to MIRRDPLS (in the DM_LOCAL_SERVICES section of the DMCONFIG file) to execute. The invoked service participates in the CICS/ESA transaction.
  3. The MIRROR service processes the data.
  4. The tpreturn call returns the data into the commarea buffer.
  5. The EXEC CICS SYNCPOINT is an explicit commit request indicating a successful end of the conversation. All updated resources in the transaction are committed.