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70 lines
1.9 KiB
70 lines
1.9 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 FIFO 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_FIFO(NIO):
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"""
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Dynamips FIFO NIO.
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:param hypervisor: Dynamips hypervisor instance
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"""
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_instance_count = 0
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def __init__(self, hypervisor):
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NIO.__init__(self, hypervisor)
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# create an unique ID
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self._id = NIO_FIFO._instance_count
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NIO_FIFO._instance_count += 1
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self._name = 'nio_fifo' + str(self._id)
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self._hypervisor.send("nio create_fifo {}".format(self._name))
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log.info("NIO FIFO {name} created.".format(name=self._name))
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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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def crossconnect(self, nio):
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"""
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Establishes a cross-connect between this FIFO NIO and another one.
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:param nio: FIFO NIO instance
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"""
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self._hypervisor.send("nio crossconnect_fifo {name} {nio}".format(name=self._name,
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nio=nio))
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log.info("NIO FIFO {name} crossconnected with {nio_name}.".format(name=self._name, nio_name=nio.name))
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