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SNAX/HLS Configuration and Control Manual

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Command Dictionary
Using the HLSCOM Utility
104705 Tandem Computers Incorporated 6–45
Summary Information
Session ID
Specifies the SNAX/HLS session ID for the displayed session name. This is the
session ID returned to the SNAX/HLS application following execution of an
OPEN-SESSION or HLS-ALLOCATE verb.
Session Name
Specifies the name of the LU being used by this session ID. When using *.* as the
LU-specifier, the session name may appear in lower case. This indicates that a
backup takeover occurred when the session was active, and that the application
should deallocate such a session. Such a session should not be terminated using
the ABORT command.
Status
Displays the current summary state of the session. The following might appear:
DEF
Indicates that the session has been defined, but is not now “in session.” In
terms of application activities, this indicates that the HLS-ALLOCATE verb
has been issued, but the HLS-OPEN verb has not yet been issued. The
condition also arises after a session has been closed, either by the owning
application or by partner activity, but before it has been deallocated.
The application program, by issuing a HLS-OPEN verb, causes the session to
enter the STARTING state. By issuing a HLS-DEALLOCATE, the session is
deleted. The ABORT command also deletes the session.
STARTING
Indicates that the session has been allocated, and that the initial protocol
activities have been initiated to begin data traffic. Specifically, the
application program has issued the HLS-OPEN verb (or the OPEN-SESSION
verb), and the session-initiation activities are still in progress.
In SNA terms, this state indicates that the session is not yet capable of sending
data traffic. The BIND, STSN, and SDT messages, when relevant, must yet
flow.
If the session startup succeeds, the summary state transitions to the STARTED
state. If the startup fails, the transition is to the DEF state, or the session is
deleted, depending upon the manner in which the application program
allocated the session.