SNAX/HLS Configuration and Control Manual

The SNAX/HLS Server Process
Product Overview
104705 Tandem Computers Incorporated 1–9
Session Control Verbs An application program uses SNAX/HLS verbs to establish communication with a
session partner, to manage the transmission and reception of data, and to discontinue
communication. Table 1-2 shows verbs used to establish and discontinue sessions as
well as miscellaneous verbs.
Table 1-2. Verbs and Sessions
Verbs to Establish Sessions
Verb Function
HLS-ALLOCATE Define the session partner.
HLS-OPEN Allow participation in the SNA session with the session partner.
OPEN-SESSION Includes the actions of HLS-ALLOCATE and HLS-OPEN.
Verbs to Discontinue Sessions
Verb Function
PREPARE-TO-CLOSE Request an orderly shutdown of the session.
HLS-CLOSE Perform a close of the session.
HLS-DEALLOCATE Deallocate the session. Includes the actions of HLS-CLOSE if the
SNA session is active.
CLOSE-SESSION Discontinue a session. Performs the actions of HLS-CLOSE and
HLS-DEALLOCATE.
Miscellaneous Verbs
Verb Function
CONVERT-ERROR-CODE Convert a hexadecimal field to display format and obtain message
text.
GET-ATTRIBUTES Obtain PROFILE and BIND information.
SET-ATTRIBUTES Set PROFILE options dynamically.
HLS-CALL-USER Allows communication with installation-supplied customization
routines.