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ZCOM Tables and Data Structures

Message Header

Chapter 3 119

System Event Message (zevent_type)

A System Event Message (SEM) is a special message generated by the

ZCOM subsystem to represent an alarm condition or type of event that

has occurred within the ZCOM subsystem. Applications may request

that ZCOM deliver these events to a program ZLU by issuing a

zevent_rcvr call. A SEM is returned to the application as a normal data

message with a message type of ZCOM_MSTYPE_LSEM (5) or

ZCOM_MSTYPE_RSEM (13). See the zevent_rcvr routine for addition

details.

The structure used to hold the system event messages is composed of a

fixed header structure and a variable part that is specific to the type of

event. See Table 3-40.

SETYPE - System Event Type

This field contains the type of event represented by this message.

Currently there are three defined types of events; a node status event

(ZCOM_SETYPE_NODE), a card status change event

(ZCOM_SETYPE_CARD), and a dynamic reconfiguration event

(ZCOM_SETYPE_RECONFIG). The format of the variable part of the

message is dependent on the event type.

SEFLAG - Event flags (currently not used)

This field is currently not used. It is intended to contain global

information on the event (e.g. event priority, etc).

SENODE - Node where event was generated

Table 3-40 System Event Message (zevent_type) Structure

Field Name Field Description Field Type

Size

(Bytes)

SETYPE System Event Type uns.char 1

SEFLAG Event flags (currently not used) uns.char 1

SENODE Node where event was generated uns.short 2

SETIME Time when the event occurred uns.int 4

SEDATA Event specific data union struct 8

1 2 ... 114 115 116 117 118 119 120 121 122 123 124 ... 327 328

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HP Advanced Communications Controllers (ACC) Guide de l'utilisateur Page 119