6.4.1 Message Format

An TMA TCP for IMS client request or response message consists of three contiguous sections:

• BEA-defined request/response header
• User-defined context data
• User-defined request or response data

An TMA TCP for IMS client request or response has the following message format.

Listing 6‑2 Client Request/Response Message Format

01 BEA-CLIENT-REQUEST-RESPONSE-MESSAGE.
05 BEA-CLIENT-HEADER.
10 LL PIC 9(04) COMP VALUE 0.
10 ZZ PIC 9(04) COMP VALUE 0.
10 TRAN-CODE PIC X(08) VALUE SPACES.
10 FILL-CHAR PIC X VALUE SPACES.
10 BEA-RESERVED-1 PIC X(03) VALUE LOW-VALUES.
10 HEADER-LENGTH PIC 9(08) COMP VALUE 0. .
10 CONTEXT-LENGTH PIC 9(08) COMP VALUE 0.
10 DATA-LENGTH PIC 9(08) COMP VALUE 0.
10 MAX-RESPONSE-LENGTH PIC 9(08) COMP VALUE 0.
10 REQUEST-TYPE PIC 9(08) COMP VALUE 0.
88 REQUEST-RESPONSE-REQUIRED VALUE 1.
88 REQUEST-NO-RESPONSE VALUE 2.
10 RESPONSE-FORMAT PIC 9(08) COMP VALUE 0.
88 RESPONSE-SINGLE-SEGMENT VALUE 0.
88 RESPONSE-MULTI-SEGMENT VALUE 1.
10 ERROR-CODE PIC S9(08) COMP VALUE +0.
88 ERR_NO_ERROR VALUE +0.
88 ERR_RESPONSE_TRUNCATED VALUE +4.
88 ERR_HOST_NOT_AVAILABLE VALUE +8.
88 ERR_HOST_BUSY VALUE 12.
88 ERR_TIMEOUT VALUE 16.
88 ERR_SERVICE_NAME VALUE 20.
88 ERR_NO_STORAGE VALUE 24.
88 ERR_REQUEST_FORMAT VALUE 28.
88 ERR_HOST_ERROR VALUE 32.
88 ERR_TP_ERROR VALUE 36.
88 ERR_INTERNAL_ERROR VALUE 40.
10 REASON-CODE PIC S9(08) COMP VALUE +0.
88 RSN_NO_REASON VALUE 0.
88 RSN_HEADER_LENGTH VALUE 4.
88 RSN_HEADER_LENGTHS VALUE 8.
88 RSN_REQUEST_TYPE VALUE 12.
88 RSN_NO_RESPONSE_TRAN VALUE 16.
88 RSN_CONTEXT_LENGTH VALUE 20.
88 RSN_DATA_LENGTH VALUE 24.
88 RSN_MAX_DATA_LENGTH VALUE 28.
88 RSN_NO_SERVICE_NAME VALUE 32.
88 RSN_SERVICE_NAME_UNDEFINED VALUE 36.
10 SERVICE-NAME PIC X(16) VALUE SPACES.
10 RESPONSE-TRAN PIC X(08) VALUE SPACES.
10 ORIGIN-TERMINAL PIC X(08) VALUE SPACES.
10 BEA-RESERVED-2 PIC X(16) VALUE LOW-VALUES.
05 USER-CONTEXT-DATA.
10 (user-defined...)|
05 USER-REQUEST-DATA.
10 (user-defined...)
05 USER-RESPONSE-DATA REDEFINES USER-REQUEST-DATA.
10 (user-defined...)