Envoy Application Programming Manual

Table Of Contents
Application Programming With Envoy
Envoy Application Programming Manual427159-001
1-2
Management Functions Provided by Envoy
Topics discussed in this section include:
Management Functions Provided by Envoy on page 1-2
Envoy Subsystem Architecture on page 1-3
Protocols Supported on page 1-7
Using a Programmatic Interface on page 1-8
Configuration Tools on page 1-10
Guardian 90 File-System Procedure Calls on page 1-11
Management Functions Provided by Envoy
The Envoy subsystem enables your application to perform the following tasks:
Change line characteristics, or attributes, of the Envoy subsystem
Obtain information about the current attributes of the subsystem and its processes,
lines, and controllers
Obtain a list of the currently defined Envoy subsystem objects of a given type or a
list of those subordinate to a specified process
Start and stop Envoy processes
Obtain information about the product name and release version of the Envoy
subsystem and its components
Obtain statistics about the subsystem and its processes
Reinitialize the counters used to collect statistics information for the Envoy
subsystem and processes
Start and stop tracing of Envoy subsystem process activity
Force the secondary CPU to become the primary CPU