HP (Hewlett-Packard) HP OpenView Vantagepoint – Operation Manual for UNIX User Manual

Using the VPO Application Programming Interfaces

Summary of VPO API Functions

Chapter 4

197

Functions of the VPO Service APIs

Functions to Access the VPO Interface

Functions to Access the Registration Conditions

See the man page opcregcond(3) for information about these functions.

Table 4-6

Overview of the VPO Service API Functions

Function Call

Description

opcif_close()

Terminate a connection to the interface

opcif_get_pipe()

Returns pipefd of its interface input queue

opcif_open()

Opens an instance of the Server/Agent MSI, Legacy
Link Interface, Message Event Interface, or
Application Response Interface

opcif_read()

Read information from specified interface

opcif_register()

opcif_unregister()

Unregister condition

opcif_write()

Writes a message to the interface

Table 4-7

Overview of the Registration Condition Access and Creation Functions

Function Call

Description

opcreg_create()

Creates an empty registration condition structure

opcreg_copy()

Creates a copy of registration condition

opcreg_free()

Deallocates previously allocated memory

opcreg_get_long()

Gets value of given field

opcreg_get_str()

Gets string value of given field

opcreg_set_long()

Sets attribute in regcond to value

opcreg_set_str()

Sets string attribute of regcond to value