SNAX/HLS Application Programming Manual

RECEIVE-CONTROL-WAIT Verb
SNAX/HLS Verbs
104707 Tandem Computers Incorporated 5–77
RM (SNA RELQ message.) This message was sent by your partner
to indicate that message traffic can resume. It most frequently is
used after traffic was stopped by previously issued QEC and
QC messages, or after the sessions have exchanged
PREPARE–TO–CLOSE messages.
11 (Name is DT–BID–REJECTED.) This message occurs only if your
PROFILE specified USER for the BID–REJECTION attribute. It
indicates that a negative response of 0814 was sent to your partner.
That response specifies to your partner that its attempt to initiate a
bracket was rejected and that you send an RTR message when the
partner can try again.
Your application should, when convenient, send the RTR using the
HLS–FLOW–CONTROL(RT) verb.
USER–DATA–LENGTH
specifies the number of bytes included in the message. Note that no text is
transferred.
Figure 5–15 shows an example of the operation of the
RECEIVE–CONTROL–WAIT verb in use on a SNAX/HLS session, not using the large
message option (LMO). When the verb is issued, no data is available for the
application. Subsequently, a message is received from the partner.
Figure 5-15. First Example of the RECEIVE–CONTROL–WAIT Verb
ooo
RECEIVE-CONTROL-WAIT
No data available
#1:BC, RQE (data)
#2:RQE (data)
#1:EC, RQD
(data)
request
RECEIVE-CONTROL-WAIT reply
RETURN-CODE=OK
DATA-TYPE-RECEIVED=
DT-PARTNER-DATA
VERB SNAX/HLS SNA Flow
Note Data is not removed from the queue and can be retrieved using a RECEIVE–DATA verb.