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System Management Interface Based on HPI-B (Centellis 4620) User’s Guide (6806800D85A)
Using HPI-B How Domains and Shelves are Represented
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The shelf management resource contains the following two RDRs:
z Domain management control
Read-only HPI control which allows the application to obtain the IP address, port, domain
name and other connection parameters of a particular shelf
z Connection status sensor
Contains information about the current status of the connection to a shelf
The definitions of both HPI controls are given in the following.
4.3.3.2.1 Domain Management Control
This HPI control is only readable. It has the same structure and definition as the HPI controls
defined in Table "Domain Management Control" on page 29, Table "Domain Management
Control State" on page 29 and Table "Domain Management Control RDR" on page 28.
4.3.3.2.2 Connection State Sensor
This HPI sensor represents the status of the connection to a shelf. When the connection is
interrupted, an HPI event of type SAHPI_ES_OFF_LINE is generated. When the connection is
reestablished, an HPI event of type SAHPI_ES_ON_LINE is generated. An application can
access a shelf only when the state of this sensor is SAHPI_ES_ON_LINE. The definition of this
sensor is given in the following tables.
ResourceCapabilities SAHPI_CAPABILITY_RESOURCE |
SAHPI_CAPABILITY_RDR |
SAHPI_CAPABILITY_CONTROL |
SAHPI_CAPABILITY_SENSOR
When the shelf is reachable:
SAHPI_CAPABILITY_DOMAIN
ResourceSeverity SAHPI_MAJOR
DomainId Domain Id when the shelf is reachable
IdString Domain name
Table 4-5 Shelf Management Resource (continued)
SaHPIRptEntryT Value
Table 4-6 Connection State RDR
SaHpiRdrT Value
RecordId Assigned by HPI
RdrType SAHPI_SENSOR_RDR
Entity The same entity as domain management resource
RdrTypeUnion MOTHPI_SENSOR_NAME_DOMAIN_CONNEC
TION