IMS Connectivity in an On Demand Environment: A Practical Guide to IMS Connectivity

Chapter 9. IMS Connect user exit support 131

9.4.3 Output message from IMS Connect to IMS Connector for Java client

Output messages from IMS Connect consist of IMS Connector for Java message structures.

IMS Connector for Java message structure

Table 9-11 shows the message format from IMS Connect to the client. IMS Connector for

Java output is

not passed to HWSJAVA0 exit.

Table 9-11 IMS Connector for Java message structure (IMS Connect to client)

OTMA header 466 See OTMA DSECT member HWSOMPFX in IMS.SDFSMAC

library for a description.

LL 2 (binary) Length of data segment.

ZZ 2 (binary) Reserved (set to binary zeros).

DATA n User data.

Repeat LL, ZZ, DATA for all segments.

LL 2 (binary) Length of data segment.

ZZ 2 (binary) Reserved (set to binary zeros).

DATA n User data.

YY 2 (binary) ZERO indicates end of user data for preceding BPE header.

Start of user data for next BPE header.

BPE header 64 See first BPE header for layout.

OTMA CTL header 32 See OTMA DSECT member HWSOMPFX in IMS.SDFSMAC

library for a description.

LL 2 (binary) Length of data segment.

ZZ 2 (binary) Reserved (set to binary zeros).

DATA n User data.

Repeat LL, ZZ, DATA for all segments.

LL 2 (binary) Length of data segment.

ZZ 2 (binary) Reserved (set to binary zeros).

DATA n User data.

YY 2 (binary) ZERO indicates end of user data for preceding BPE header.

Restriction: The length of data from one BPE header to the next BPE header cannot

exceed 32 K, excluding the BPE header and the OTMA header.

Field Length

(bytes)

Meaning

Field Length (bytes) Meaning

IIII 4 (binary) Total message length.

ID 8 (character) Char value of *HWSJAV*.