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100 lines
2.8 KiB
100 lines
2.8 KiB
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2013 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Interface for UDP NIOs.
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"""
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from .nio import NIO
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import logging
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log = logging.getLogger(__name__)
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class NIO_UDP(NIO):
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"""
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Dynamips UDP NIO.
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:param hypervisor: Dynamips hypervisor instance
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:param lport: local port number
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:param rhost: remote address/host
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:param rport: remote port number
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"""
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_instance_count = 0
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def __init__(self, hypervisor, lport, rhost, rport):
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NIO.__init__(self, hypervisor)
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# create an unique ID
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self._id = NIO_UDP._instance_count
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NIO_UDP._instance_count += 1
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self._name = 'nio_udp' + str(self._id)
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self._lport = lport
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self._rhost = rhost
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self._rport = rport
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self._hypervisor.send("nio create_udp {name} {lport} {rhost} {rport}".format(name=self._name,
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lport=lport,
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rhost=rhost,
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rport=rport))
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log.info("NIO UDP {name} created with lport={lport}, rhost={rhost}, rport={rport}".format(name=self._name,
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lport=lport,
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rhost=rhost,
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rport=rport))
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@classmethod
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def reset(cls):
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"""
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Reset the instance count.
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"""
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cls._instance_count = 0
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@property
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def lport(self):
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"""
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Returns the local port
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:returns: local port number
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"""
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return self._lport
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@property
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def rhost(self):
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"""
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Returns the remote host
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:returns: remote address/host
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"""
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return self._rhost
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@property
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def rport(self):
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"""
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Returns the remote port
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:returns: remote port number
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"""
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return self._rport
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