SNMP Subagent Programmer's Guide

Hello World Program
2-12 119728—SNMP Subagent Programmer’s Guide
Programming Tutorials
The names of these variables need not be the same as their corresponding MIB
object names, but they do need to match the variable name in the associated MIB
extension. For example, the MIB object named helloOutputText is associated with
the subagent C variable named helloText:
EXTEND OBJECT-TYPE helloOutputText
WITH C_VARIABLE helloText
IN C
Figure 2-1. Logic Flow for Hello World
202
mgmt_init_env()
(Initialize
management
environment)
mgmt_new_instance()
(Register MIB)
mgmt_poll()
(Process SNMP
request)
Stop
YES
NO
mgmt_term_env()
(Terminate
management)
mgmt_del_instance()
(De-register MIB)
mgmt_trap()
(Send trap)
Did
helloPrintFreq
value change
?
NO
YES
Still
connected to
agent
?
Start