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#
# Copyright (C) 2014, Zebra Technologies
# Authors: Matt Hooks <me@matthooks.com>
# Zachary Lorusso <zlorusso@gmail.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.
#
import sys
import traceback
from pysnmp.carrier.base import AbstractTransportAddress
from pysnmp.carrier.asyncio.dgram.base import DgramAsyncioProtocol
from pysnmp.carrier import error
try:
import asyncio
except ImportError:
import trollius as asyncio
loop = asyncio.get_event_loop()
domainName = snmpUDPDomain = (1, 3, 6, 1, 6, 1, 1)
class UdpTransportAddress(tuple, AbstractTransportAddress): pass
class UdpAsyncioTransport(DgramAsyncioProtocol):
addressType = UdpTransportAddress
# AbstractAsyncioTransport API
def openClientMode(self, iface=('0.0.0.0', 0)):
try:
c = loop.create_datagram_endpoint(lambda: self, local_addr=iface)
self._lport = asyncio.async(c)
except Exception:
raise error.CarrierError(';'.join(traceback.format_exception(*sys.exc_info())))
return self
def openServerMode(self, iface=('0.0.0.0', 161)):
try:
c = loop.create_datagram_endpoint(lambda: self, local_addr=iface)
self._lport = asyncio.async(c)
except Exception:
raise error.CarrierError(';'.join(traceback.format_exception(*sys.exc_info())))
return self
def closeTransport(self):
self._lport.cancel()
DgramAsyncioProtocol.closeTransport(self)
UdpTransport = UdpAsyncioTransport
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