63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
#
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# This file is part of pysnmp software.
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#
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# Copyright (c) 2005-2017, Ilya Etingof <etingof@gmail.com>
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# License: http://pysnmp.sf.net/license.html
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#
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from pyasn1.compat.octets import null
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from pysnmp.carrier.base import AbstractTransport
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from pysnmp import error
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__all__ = []
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class AbstractTransportTarget(object):
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transportDomain = None
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protoTransport = AbstractTransport
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def __init__(self, transportAddr, timeout=1, retries=5, tagList=null):
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self.transportAddr = self._resolveAddr(transportAddr)
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self.timeout = timeout
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self.retries = retries
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self.tagList = tagList
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self.iface = None
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self.transport = None
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def __repr__(self):
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return '%s(%r, timeout=%r, retries=%r, tagList=%r)' % (
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self.__class__.__name__, self.transportAddr,
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self.timeout, self.retries, self.tagList
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)
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def getTransportInfo(self):
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return self.transportDomain, self.transportAddr
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def setLocalAddress(self, iface):
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"""Set source address.
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Parameters
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----------
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iface : tuple
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Indicates network address of a local interface from which SNMP packets will be originated.
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Format is the same as of `transportAddress`.
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Returns
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-------
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self
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"""
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self.iface = iface
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return self
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def openClientMode(self):
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self.transport = self.protoTransport().openClientMode(self.iface)
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return self.transport
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def verifyDispatcherCompatibility(self, snmpEngine):
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if not self.protoTransport.isCompatibleWithDispatcher(snmpEngine.transportDispatcher):
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raise error.PySnmpError('Transport %r is not compatible with dispatcher %r' % (
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self.protoTransport, snmpEngine.transportDispatcher))
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def _resolveAddr(self, transportAddr):
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raise NotImplementedError()
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