SNAX/APC Application Programming Manual

Application Prototype Simulator
SNAX/APC Application Programming Manual—138786
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RECEIVE-AND-WAIT (F5)
record, you must issue one or more RECEIVE-AND-WAIT or RECEIVE-
IMMEDIATE verbs.
Data Length (Max 480)
specifies the maximum amount of data that the local TP (APS) can receive in one
reply. This length includes the four bytes needed for a GDS variable header (the
length and ID fields). The maximum length you can specify is 480 bytes.
Reply Fields
IPC Return Code
displays the value of HEADER-RETURN-CODE returned in the IPC header reply.
IPC Return Code Detail
displays the value of HEADER-RETURN-CODE-DETAIL returned in the IPC
header reply.
UOWs In
displays the number of UOWs in this IPC message (always 1 for APS).
UOWs Out
for APS, this value is always 1. UOWs Out indicates the number of reply UOWs
contained in the reply from SNAX/APC.
Header Return Code
displays the value of REP-RETURN-CODE returned in the reply UOW.
Request to Send Ind
indicates whether the partner TP issued a REQUEST-TO-SEND verb. The value Y
indicates that REQUEST-TO-SEND notification was received from the partner TP,
which requests the local TP (APS) to enter the Receive state. The value N indicates
that the partner TP did not issue a REQUEST-TO-SEND verb.
Data Type
indicates what was received from the partner TP. This field displays the value
returned in the WHAT-RECEIVED parameter in the RECEIVE-AND-WAIT verb
reply. See the RECEIVE-AND-WAIT verb description in Section 3, Verb
Definitions of this manual for more information on the values displayed in this field.
Data Length
displays the number of bytes received, including the four bytes for the GDS variable
header.