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GDSX Management Programming Manual

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Introduction
GDSX Management Programming Manual—529930-001
1-4
Event Messages
Event Messages
In addition to sending commands and receiving responses, a management application
can obtain notification of events that occur in the GDS subsystem. This notification is in
the form of event messages that are issued by the GDS subsystem. An event message
describes an event such as a hardware or software error or the completion of an
operation. Your application could monitor these event messages to handle unexpected
situations or to keep track of the current status of the system or the network.
The event messages that can be issued by the GDS subsystem are described in
Section 6, Event Messages.
Objects Managed by GDSX
GDSX manages the following four object types:
•
The PROCESS object which is the GDSX process
Table 1-1. GDSX Management Programming Commands
Command Description
ABORT Terminates the operation of lines or subdevices immediately.
ADD Defines lines or subdevices to the GDS subsystem.
ALLOWOPENS Allows subdevices to accept further connections.
ALTER Changes the values of attributes of processes, lines, or subdevices.
DELETE Removes lines or subdevices from GDS.
FORBIDOPENS Prevents further connections from being established to subdevices.
GETVERSION Returns the version banner of GDS.
INFO Returns the current attribute values of processes, tasks, lines, or
subdevices.
LISTOBJECTS Returns the names and types of processes, lines, or subdevices.
LISTOPENS Returns the process ID of the openers of the specified subdevices.
RESETSTATS Returns statistical information about processes, tasks, lines, or
subdevices and then clears the statistics counters.
START Initiates the operation of lines or subdevices.
STATISTICS Returns statistical information about processes, tasks, lines, or
subdevices.
STATUS Returns detailed status information about processes, tasks, lines, or
subdevices.
STOP Terminates the operation of lines, subdevices, or processes.
SWITCH Switches specified resources between processes.
TRACE Initiates, modifies, or terminates trace mode on the designated
processes.