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#
# Copyright (C) 2014, Zebra Technologies
# Authors: Matt Hooks <me@matthooks.com>
# Zachary Lorusso <zlorusso@gmail.com>
# Modified by Ilya Etingof <ilya@snmplabs.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGE.
#
from pysnmp.entity.rfc3413 import cmdgen
from pyasn1.compat.octets import null
from pysnmp.proto.api import v2c
try:
import asyncio
except ImportError:
import trollius as asyncio
getNextVarBinds = cmdgen.getNextVarBinds
class AbstractCommandGenerator:
commandGenerator = None
def _cbFunWithFuture(self, snmpEngine, sendRequestHandle, errorIndication,
errorStatus, errorIndex, varBinds, future):
if future.cancelled():
return
future.set_result(
(snmpEngine, errorIndication, errorStatus, errorIndex, varBinds)
)
def sendVarBinds(self, snmpEngine, targetName,
contextEngineId, contextName, varBinds):
future = asyncio.Future()
self.commandGenerator.sendVarBinds(
snmpEngine,
targetName,
contextEngineId,
contextName,
varBinds,
self._cbFunWithFuture,
future
)
return future
class GetCommandGenerator(AbstractCommandGenerator):
commandGenerator = cmdgen.GetCommandGenerator()
class SetCommandGenerator(AbstractCommandGenerator):
commandGenerator = cmdgen.SetCommandGenerator()
class NextCommandGenerator(AbstractCommandGenerator):
commandGenerator = cmdgen.NextCommandGenerator()
class BulkCommandGenerator(AbstractCommandGenerator):
commandGenerator = cmdgen.BulkCommandGenerator()
def sendVarBinds(self, snmpEngine, targetName,
contextEngineId, contextName,
nonRepeaters, maxRepetitions, varBinds):
future = asyncio.Future()
self.commandGenerator.sendVarBinds(
snmpEngine,
targetName,
contextEngineId,
contextName,
nonRepeaters,
maxRepetitions,
varBinds,
self._cbFunWithFuture,
future
)
return future
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