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High-level SNMP
===============
This chapter illustrates various uses of the high-level programming
interfaces to some of Standard SNMP Applicaitons, as defined in
`RFC3413 <https://tools.ietf.org/html/rfc3413>`_.
The so called high-level API (hlapi) is designed to be simple, concise and
suitable for the most frequent operations. For that matter only
Command Generator and Notification Originator Applications are currently
wrapped into a nearly one-line Python expression.
.. note:: The following examples involve creating Python iterator,
the next() call is used to invoke iterator just once.
In most examples approximate analogues of well known Net-SNMP snmp* tools
command line options are shown. That may help those readers who, by chance
are familiar with Net-SNMP tools, better understanding what example code doe
Command Generator Applications
------------------------------
Here's a quick example on a simple SNMP GET by high-level API:
.. include:: /../../examples/hlapi/asyncore/manager/cmdgen/v1-get.py
:start-after: options:
:end-before: Functionally
.. literalinclude:: /../../examples/hlapi/asyncore/manager/cmdgen/v1-get.py
:start-after: """#
:language: python
To make use of SNMPv3 and USM, the following code performs a series of
SNMP GETNEXT operations effectively fetching a table of SNMP variables
from SNMP Agent:
.. include:: /../../examples/hlapi/asyncore/manager/cmdgen/pull-whole-mib.py
:start-after: options:
:end-before: Functionally
.. literalinclude:: /../../examples/hlapi/asyncore/manager/cmdgen/pull-whole-mib.py
:start-after: """#
:language: python
More examples on Command Generator API usage follow.
.. toctree::
/examples/hlapi/asyncore/manager/cmdgen/snmp-versions
/examples/hlapi/asyncore/manager/cmdgen/modifying-variables
/examples/hlapi/asyncore/manager/cmdgen/walking-operations
/examples/hlapi/asyncore/manager/cmdgen/table-operations
/examples/hlapi/asyncore/manager/cmdgen/mib-tweaks
/examples/hlapi/asyncore/manager/cmdgen/transport-tweaks
/examples/hlapi/asyncore/manager/cmdgen/asynchronous-operations
/examples/hlapi/asyncore/manager/cmdgen/advanced-topics
Notification Originator Application
-----------------------------------
Sending SNMP TRAP's and INFORM's is as easy with PySNMP library.
The following code sends SNMP TRAP:
.. include:: /../../examples/hlapi/asyncore/agent/ntforg/default-v1-trap.py
:start-after: options:
:end-before: Functionally
.. literalinclude:: /../../examples/hlapi/asyncore/agent/ntforg/default-v1-trap.py
:start-after: """#
:language: python
More examples on Notification Originator API usage follow.
.. toctree::
/examples/hlapi/asyncore/agent/ntforg/snmp-versions
/examples/hlapi/asyncore/agent/ntforg/common-notifications
/examples/hlapi/asyncore/agent/ntforg/snmp-v1-trap-variants
/examples/hlapi/asyncore/agent/ntforg/evaluating-notification-type
/examples/hlapi/asyncore/agent/ntforg/asynchronous-operations
/examples/hlapi/asyncore/agent/ntforg/advanced-topics
More sophisticated or less popular SNMP operations can still be performed
with PySNMP through its Native API to Standard SNMP Applications.
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